Tabel Perhitungan Evapotranspirasi Potensial dengan Metode Penmann Modifikasi NO.
URAIAN
1
Temperatur
2
Kelembaban Relatif
3
Kecepatan Anin
4
$eninaran &ata'ari
5
Te!anan )ap *enu'
6 7 8
AM!AN" #A # ATUAN °
$AN
%E!
MAR
APR
MEI
$UN
$U
A"T
#EPT
O&T
NO'
(E#
27.03
27.07
27.50
27.30
27.73
27.14
26.93
26.79
26.93
27.01
27.05
27.03
RH
%
81.00
79.75
78.83
79.92
80.50
81.75
80.58
77.25
78.00
78.08
78.83
79.83
u
!m"#am
10.33
10.00
11.83
10.67
12.33
10.00
14.00
10.33
14.17
11.00
12.17
13.50
n"(
%
23.00
22.25
21.53
22.58
21.62
22.85
22.60
22.88
21.87
22.35
22.67
22.27
ea
mbar
36.06
35.80
36.71
36.28
37.24
37.37
35.50
33.32
34.86
35.76
35.77
35.71
Te!anan )ap (ata
e+
mbar
29.21
28.55
28.94
28.99
29.98
30.55
28.60
25.74
27.19
27.92
28.20
28.51
,un-i Anin
f)/
2.681
2. 2 .603
3. 3 .030
2. 2 .758
3. 3 .147
2. 2 .603
3. 3 .536
2. 2 .681
3. 3 .575
2. 2 .836
3. 3 .108
3. 3 .419
0.765
0.766
0.770
0.768
0.772
0.766
0.764
0.763
0.764
0.765
0.766
0.765
9
,a ,a!tr $embbtan
10
Ra+ia-i !-tra Tere!-terial
t
1
1
0.235
0.234
0.230
0.232
0.228
0.234
0.236
0.237
0.236
0.235
0.235
0.235
Ra
mm"'ari
14.87
15.34
15.39
14.95
14.12
1.92
13.72
14.44
15.07
15.22
14.86
14.67
11
,a!tr Albe+
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
12
Ra+ia-i inar &ata'ari
R-
r mm"'ari
0.37
0.37
0.37
0.37
0.37
0.37
0.37
0.37
0.37
0.37
0.37
0.37
13
Ra+ia-i el $en+e! (et
Rn-
mm"'ari
0.34
0.34
0.34
0.34
0.34
0.34
0.34
0.34
0.34
0.34
0.34
0.34
14
,un-i Temperatur
16.107
16 16.113
16 16.200
16.160
16 16.247
16 16.128
16 16.085
16 16.058
16 16.087
16 16.102
16 16.150
16.105
15
,un-i Te!anan )ap (ata
fe+/
0.102
0.105
0.103
0.103
0.099
0.097
0.105
0.117
0.111
0.107
0.106
0.105
16
,un-i $eninaran &ata'ari
fn"(/
0.307
0.300
0.294
0.303
0.295
0.306
0.303
0.306
0.297
0.301
0.304
0.300
17
Ra+ia-i elmban (ett
Rnl
mm"'ari
0.505
0.507
0.492
0.505
0.474
0.477
0.511
0.574
0.528
0.521
0.522
0.508
18
Ra+ia-i (ett
Rn
mm"'ari
0.161
0.167
0.155
0.163
0.137
0.134
0.169
0.230
0.189
0.180
0.180
0.168
19
,a!tr Kre!-i
c
1.1
1.1
1.0
0.9
0.9
0.9
0.9
1.0
1.1
1.1
1.1
1.1
)*
Evapotranspirasi Potensial
,.-*
,./),
.)0-
,.*1,
,.1/
2.-20
.*
,.-,3
-.0,/
.0)
.030
-.)31
ft/
Eto
mm+hari
Hara'ara ea 1 / +an ft/ ber+a-ar!an temperatur t/ #uhu o
ea
4 53 6 47 e3 5* 6 )* m7
f5t7
8
mbar
24.0
29.85
0.735
0.265
15.40
24.2
30.21
0.737
0.263
15.45
24.4
30.57
0.739
0.261
15.50
24.6
30.94
0.741
0.259
15.55
24.8
31.31
0.743
0.257
15.60
25.0
31.69
0.745
0.255
15.65
25.2
32.06
0.747
0.253
15.70
25.4
32.45
0.749
0.251
15.75
25.6
32.83
0.751
0.249
15.80
25.8
33.22
0.753
0.247
15.85
26.0
33.62
0.755
0.245
15.90
26.2
34.02
0.757
0.243
15.94
26.4
34.42
0.759
0.241
15.98
26.6
34.83
0.761
0.239
16.02
26.8
33.25
0.763
0.237
16.06
27.0
35.66
0.765
0.235
16.10
27.2
36.09
0.767
0.233
16.14
27.4
36.50
0.769
0.231
16.18
27.6
36.94
0.771
0.229
16.22
27.8
37.37
0.773
0.227
16.26
28.0
37.81
0.775
0.225
16.30
28.2
38.25
0.777
0.223
16.34
28.4
38.70
0.779
0.221
16.38
28.6
39.14
0.781
0.219
16.42
28.8
39.61
0.783
0.217
16.46
29.0
40.06
0.785
0.215
16.50
umber u'ar+#n A#ar &an+iri 1991
Hubunan nilai R- +enan Ra +an n"( R- : 025 ; 054 n"(/
Ra
Persentase ke9erahan matahari n+N 5:7 )*
2*
,*
*
-*
/*
1*
0*
12.0
4.3
4.9
5.6
6.2
6.9
7.5
8.2
8.8
12.2
4.4
5.0
5.7
6.3
7.0
7.7
8.3
9.0
12.4
4.4
5.1
5.8
6.4
7.1
7.8
8.5
9.1
12.6
4.5
5.2
5.9
6.6
7.2
7.9
8.6
9.3
12.8
4.6
5.3
6.0
6.7
7.3
8.0
8.7
9.4
13.0
4.7
5.4
6.1
6.8
7.5
8.2
8.9
9.6
13.2
4.7
5.4
6.2
6.9
7.6
8.3
9.0
9.7
13.4
4.8
5.5
6.2
7.0
7.7
8.4
9.1
9.9
13.6
4.9
5.6
6.3
7.1
7.8
8.5
9.3
10.0
13.8
4.9
5.7
6.4
7.2
7.9
8.7
9.4
10.2
14.0
5.0
5.8
6.5
7.3
8.0
8.8
9.5
10.3
14.2
5.1
5.9
6.6
7.4
8.2
8.9
9.7
10.5
14.4
5.2
5.9
6.7
7.5
8.3
9.0
9.8
10.6
14.6
5.2
6.0
6.8
7.6
8.4
9.2
10.0
10.7
14.8
5.3
6.1
6.9
7.7
8.5
9.3
10.1
10.9
15.0
5.4
6.2
7.0
7.8
8.6
9.4
10.2
11.0
15.2
5.4
6.3
7.1
7.9
8.7
9.5
10.4
11.2
15.4
5.5
6.3
7.2
8.0
8.8
9.7
10.5
11.3
15.6
5.6
6.4
7.3
8.1
9.0
9.8
10.6
11.5
15.8
5.7
6.5
7.4
8.2
9.1
9.9
10.8
11.6
16.0
5.7
6.6
7.5
8.3
9.2
10
10.9
11.8
16.2
5.8
6.7
7.5
8.4
9.3
10.2
11.0
11.9
&in
4.3
4.9
5.6
6.2
6.9
7.5
8.2
8.8
&a<
5.8
6.7
7.5
8.4
9.3
10.2
11.0
11.9
Rerata
5.1
5.8
6.6
7.3
8.1
8.9
9.6
10.4
umber u'ar+#n 1989 45
Hubunan antara ea/ +an e+/ untu! berbaai !ea+aan RH/ +alam penunaan rumu- $enman ea
;arga ed < ea = R;
m.bar
-*
-
/*
/
1*
1
29.50
16.23
17.70
19.18
20.65
22.13
23.60
25.07
29.75
16.36
17.85
19.34
20.82
22.31
23.80
25.29
30.00
16.50
18.00
19.50
21.00
22.50
24.00
25.50
30.25
16.64
18.15
19.66
21.18
22.69
24.20
25.71
30.50
16.77
18.30
19.82
21.35
22.88
24.40
25.93
30.75
16.91
18.45
19.99
21.52
23.06
24.60
26.14
31.00
17.05
18.60
20.15
21.70
23.25
24.80
26.35
31.25
17.19
18.75
20.31
21.88
23.44
25.00
26.56
31.50
17.32
18.90
20.48
22.05
23.63
25.20
26.77
31.75
17.46
19.05
20.64
22.23
23.81
25.40
26.99
32.00
17.60
19.20
20.80
22.40
24.00
25.60
27.20
32.25
17.74
19.35
20.96
22.57
24.19
25.80
27.41
32.50
17.88
19.50
21.13
22.75
24.38
26.00
24.63
32.75
18.01
19.65
21.29
22.93
24.56
26.20
27.84
33.00
18.15
19.80
21.45
23.10
24.75
26.40
28.05
33.25
18.29
19.95
21.61
23.27
24.94
26.60
28.26
33.50
18.43
20.10
21.44
23.45
25.13
26.80
28.48
33.75
18.56
20.25
21.94
23.63
25.31
27.00
28.69
34.00
18.70
20.40
22.10
23.80
25.50
27.20
28.90
34.25
18.84
20.55
22.25
23.98
25.69
27.40
29.11
34.50
18.98
20.70
22.43
24.15
25.88
27.60
29.32
34.75
19.11
20.85
22.59
24.32
26.06
27.80
29.54
35.00
19.25
21.00
22.75
24.50
26.25
28.00
29.75
35.25
19.39
21.15
22.91
24.68
26.44
28.20
29.96
35.50 35.75
19.52 19.66
21.30 21.45
23.07 23.24
24.85 25.02
26.63 26.81
28.40 28.60
30.18 30.39
36.00 36.25 36.50
19.80 19.94 20.07
21.60 21.75 21.90
23.40 23.56 23.73
25.20 25.38 25.55
27.00 27.19 27.38
28.80 29.00 29.20
30.60 30.81 31.02
36.75
20.21
22.05
23.89
25.73
27.56
29.40
31.24
umber u'ar+#n 1989 46
Hara fe+/ una per'itunan rumu- $enmann ed
f5ed7 < *>2, 6 *>*,, 5ed7?*>
m.bar
>*
>)
>
>/
15
0.170
0.168
0.167
0.165
16
0.164
0.163
0.161
0.160
17
0.159
0.157
0.156
0.155
18
0.153
0.152
0.151
0.149
19
0.148
0.147
0.146
0.144
20
0.143
0.142
0.141
0.140
21
0.138
0.137
0.136
0.135
22
0.134
0.132
0.131
0.130
23
0.129
0.128
0.127
0.126
24
0.124
0.123
0.122
0.121
25
0.120
0.119
0.118
0.117
26
0.116
0.115
0.113
0.112
27
0.111
0.110
0.109
0.108
28
0.107
0.106
0.105
0.104
29
0.103
0.102
0.101
0.100
30
0.099
0.098
0.097
0.096
31
0.095
0.094
0.093
0.092
32
0.091
0.090
0.089
0.088
33
0.087
0.086
0.085
0.840
34
0.083
0.082
0.082
0.081
35
0.080
0.079
0.078
0.077
36
0.076
0.075
0.074
0.073
umber u'ar+#n 1989 47
Hara fn"(/ una per'itunan rumu- $enmann n+N
f5n+N7 < *>3 @ *>0 n+N
5:7
>*
>)
>,
>-
>1
30
0.370
0.388
0.406
0.424
0.442
40
0.460
0.478
0.496
0.514
0.532
50
0.550
0.568
0.586
0.604
0.622
60
0.640
0.658
0.676
0.694
0.712
70
0.730
0.748
0.766
0.784
0.802
80
0.820
0.838
0.856
0.874
0.892
umber u'ar+#n1989 47
Hara fu/ una per'itunan rumu- $enmann u
f5u7 < *>)/ 53 @ u *>1-,7
5m+dt7
>*
>)
>,
>-
>1
0
0.270
0.317
0.363
0.410
0.457
1
0.503
0.550
0.597
0.643
0.690
2
0.737
0.783
0.830
0.877
0.923
3
0.970
1.016
1.063
1.110
1.156
4
1.203
1.250
1.296
1.343
1.390
umber u'ar+#n 1989 47
=e-ar an!a !efi-ien bulanan c/ untu! rumu- $enmann !ulan
9
!ulan
9
*anuari
1.1
*uli
0.9
,ebruari
1.1
Au-tu-
1.0
&aret
1.0
eptember
1.1
April
0.9
>!tber
1.1
&ei
0.9
(?ember
1.1
*uni
0.9
@e-ember
1.1
umber u'ar+#n 1989 49
Tabel Rangking Tahunan 8urah ;uBan ;arian !ulan $anuari *HH mm"'ari/ Ta'un 202.5 1993 170 1994 109 1995 62.2 1991 62.2 1992 59.5 1990
!ulan Mei *HH mm"'ari/ 346.5 254.5 252 148.3 148.3 102.5
!ulan %ebruari *HH mm"'ari/ Ta'un 152.3 1995 85.5 1994 37.2 1990 29.5 1993 20.4 1991 20.4 1992
!ulan $uni Ta'un 1994 1995 1993 1991 1992 1990
!ulan #eptember *HH mm"'ari/ Ta'un 283.4 1990 191.5 1992 191 1991 148.8 1995 134.5 1994 129.1 1993
*HH mm"'ari/ 133 132.5 129.5 129.5 98 28.3
!ulan Maret *HH mm"'ari/ Ta'un 228.5 1994 208.4 1995 175.5 1993 112.4 1991 112.4 1992 58 1990
!ulan $uli Ta'un 1994 1995 1991 1992 1993 1990
!ulan Oktober *HH mm"'ari/ Ta'un 431.8 1990 284.5 1993 278.5 1995 131 1994 94.2 1991 94.2 1992
*HH mm"'ari/ 225.8 135.5 132.5 132.5 108.5 68.5
!ulan April *HH mm"'ari/ 210.7 210 159.5 129 102 102
Ta'un 1994 1995 1990 1993 1991 1992
!ulan Agustus Ta'un 1990 1995 1991 1992 1993 1994
!ulan November *HH mm"'ari/ Ta'un 316 1990 297 1994 294 1993 294 1995 209.5 1991 209.5 1992
*HH mm"'ari/ 165.5 163 158 126 86
Ta'un 1994 1991 1992 1995 1990 1993
!ulan (esember *HH mm"'ari/ Ta'un 239 1991 234 1992 217 1993 175 1995 169 1990 60.5 1994
Tabel 2.2. 8urah ;uBan Efektif untuk Tanaman Padi
!ulan 3 harian
$an
%eb
Mar
Apr
Mei
$un
I
II
I
II
I
II
I
II
I
II
I
II
R80 mm"'ari/
19.00
151.00
61.00
24.50
143.50
64.90
105.00
105.00
136.00
118.50
69.00
63.50
Re mm"15 'ari/
13.30
105.70
42.70
17.15
100.45
45.43
73.50
73.50
95.20
82.95
48.30
44.45
Re 5mm+ hari7
0.89
7.05
2.85
1.14
6.70
3.03
4.90
4.90
6.35
5.53
3.22
3.97
!ulan 3 harian
2.00
$ul
4.86
Agt
4.90
#ept
5.94
Okt
2.96 3.09
Nov
(es
I
II
I
II
I
II
I
II
I
II
I
II
R80 mm"'ari/
67.00
68.50
50.00
113.00
104.00
87.50
88.00
196.50
112.50
184.50
63.50
170.50
Re mm"15 'ari/
46.90
47.95
35.00
79.10
72.80
61.25
61.60
137.55
78.75
129.15
44.45
119.35
Re 5mm+ hari7
3.13
3.20
2.33
5.27
4.85
4.08
4.11
9.17
5.25
8.61
2.96
3.16
3.80
4.47
6.64
6.93
7.96 5.46
Tabel 2.,. 8urah ;uBan Efektif untuk Tanaman Pala4iBa
!ulan 3 harian
$an
%eb
Mar
Apr
Mei
$un
I
II
I
II
I
II
I
II
I
II
I
II
R80 mm"'ari/
66.00
43.00
15.00
22.20
146.50
29.00
79.00
80.50
172.50
79.50
95.00
34.50
Re mm"15 'ari/
46.20
30.10
10.50
15.54
102.55
20.30
55.30
56.35
120.75
55.65
66.50
24.15
Re 5mm+ hari7
3.08
2.01
0.70
1.04
6.84
1.35
3.69
3.76
8.05
3.71
4.43
!ulan 3 harian
1.61
2.54
0.87
4.10
3.72
5.88
3.02
$ul
Agt
#ept
Okt
Nov
(es
I
II
I
II
I
II
I
II
I
II
I
II
R80 mm"'ari/
66.00
66.50
45.00
113.00
103.50
87.50
63.00
215.50
200.00
94.00
77.00
140.00
Re mm"15 'ari/
46.20
46.55
31.50
79.10
72.45
61.25
44.10
150.85
140.00
65.80
53.90
98.00
Re 5mm+ hari7
3.08
3.10
2.10
5.27
4.83
4.08
2.94
10.06
9.33
4.39
3.59
3.09
3.69
4.46
6.50
6.86
6.53 5.06
(ata
Tahun
C Temperatur Maksimum !ulan $an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
1992
31.60
31.90
32.10
32.20
31.90
31.70
31.60
33.10
32.30
32.80
31.50
31.20
1993
30.70
33.00
33.20
31.60
31.70
32.40
30.80
31.30
31.90
31.80
31.40
31.80
1994
31.90
31.80
31.70
32.40
31.90
33.30
31.20
30.60
31.90
33.50
32.10
30.90
1995
32.60
31.80
31.10
32.70
32.20
31.30
31.40
31.50
32.90
32.50
31.70
31.60
1996
31.00
31.70
32.10
32.20
32.30
31.70
31.40
32.20
32.50
31.20
32.40
31.60
1997
31.40
30.80
32.10
32.10
33.00
31.90
31.30
32.40
31.80
31.80
32.60
32.50
&in
30.70
30.80
31.10
31.60
31.70
31.30
30.80
30.60
31.80
31.20
31.40
30.90
&a<
32.60
33.00
33.20
32.70
33.00
33.30
31.60
33.10
32.90
33.50
32.60
32.50
Rera ta
3 1.53
31.83
32.0 5
32 .20
32.1 7
32 .05
31.2 8
31 .85
32.2 2
32 .27
31.9 5
31 .60
(ata
Tahun
C Temperatur Minimum !ulan $an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
1992
22.80
21.20
21.40
21.50
22.40
22.10
21.90
21.10
22.10
21.80
22.60
23.00
1993
20.00
22.50
22.80
22.80
22.80
21.40
21.70
21.90
20.40
22.10
20.90
22.00
1994
22.80
22.70
23.70
22.30
23.00
22.10
22.80
20.90
20.60
20.70
22.10
22.00
1995
22.00
23.20
22.90
22.90
23.40
22.60
23.00
22.10
21.40
21.30
22.90
22.60
1996
22.60
21.80
24.30
22.50
23.50
22.60
24.50
21.40
22.00
22.20
22.00
22.90
1997
25.00
22.40
22.60
22.40
24.70
22.60
21.50
23.00
23.40
22.40
22.40
22.20
&in
20.00
21.20
21.40
21.50
22.40
21.40
21.50
20.90
20.40
20.70
20.90
22.00
&a<
25.00
23.20
24.30
22.90
24.70
22.60
24.50
23.00
23.40
22.40
22.90
23.00
Rera ta
2 2.53
22.30
22.9 5
22 .40
23.3 0
22 .23
22.5 7
21 .73
21.6 5
21 .75
22.1 5
22 .45
(ata
C Perhitungan Temperatur Rata6rata
!ulan
$an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
&in
22.53
22.30
22.95
22.40
23.30
22.23
22.57
21.73
21.65
21.75
22.15
22.45
&a<
31.53
31.83
32.05
32.20
32.17
32.05
31.28
31.85
32.22
32.27
31.95
31.60
Rera ta
2 7.03
27.07
27.5 0
27 .30
27.7 3
27 .14
26.9 3
26 .79
26.9 3
27 .01
27.0 5
27 .03
(ata
Tahun
C Rata6rata PenDinaran Matahari !ulan $an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
1992
22.20
23.00
22.30
22.40
21.10
22.60
21.70
22.30
20.60
22.20
22.80
21.70
1993
24.00
22.60
22.50
23.20
21.00
22.60
22.70
22.90
22.60
23.10
22.00
22.70
1994
23.00
20.90
21.30
22.70
21.80
22.60
22.40
22.50
21.70
22.30
22.90
22.40
1995
23.20
22.10
22.10
23.20
22.20
23.70
22.40
22.40
22.60
22.30
22.40
22.80
1996
22.60
22.90
20.40
22.20
21.90
22.60
23.00
23.80
21.20
21.40
22.10
22.00
1997
23.00
22.00
20.60
21.80
21.70
23.00
23.40
23.40
22.50
22.80
23.80
22.00
&in
22.20
20.90
20.40
21.80
21.00
22.60
21.70
22.30
20.60
21.40
22.00
21.70
&a<
24.00
23.00
22.50
23.20
22.20
23.70
23.40
23.80
22.60
23.10
23.80
22.80
Rera ta
23 .00
22.2 5
2 1.53
22.58
2 1.62
22.85
2 2.60
22.88
2 1.87
22.35
22 .67
22.2 7
(ata
Tahun
C Rata6Rata &e9epatan Angin 5km+Bam7 !ulan $an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
1992
15.00
11.00
13.00
15.00
15.00
8.00
12.00
12.00
8.00
12.00
11.00
20.00
1993
10.00
10.00
15.00
10.00
13.00
12.00
20.00
12.00
10.00
10.00
12.00
15.00
1994
8.00
15.00
15.00
8.00
12.00
8.00
29.00
10.00
12.00
12.00
13.00
10.00
1995
8.00
5.00
11.00
8.00
8.00
8.00
6.00
8.00
20.00
10.00
12.00
9.00
1996
13.00
10.00
8.00
15.00
17.00
9.00
8.00
8.00
29.00
12.00
8.00
9.00
1997
8.00
9.00
9.00
8.00
9.00
15.00
9.00
12.00
6.00
10.00
17.00
18.00
&in
8.00
5.00
8.00
8.00
8.00
8.00
6.00
8.00
6.00
10.00
8.00
9.00
&a<
15.00
15.00
15.00
15.00
17.00
15.00
29.00
12.00
29.00
12.00
17.00
20.00
Rera ta
10 .33
10.0 0
11.83
10.67
1 2.33
10.00
1 4.00
10.33
1 4.17
11.0 0
12 .17
13.5 0
Rerata
).1/*, ).///1
2.)1/
).0-2
2.,)0 ).///1 2.1110 ).1/*, 2.02) 2.*- 2.2/0-
2./
(ata
Tahun
C &elembaban Minimum !ulan $an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
1992
68.00
64.00
64.00
63.00
66.00
66.00
60.00
56.00
60.00
65.00
66.00
64.00
1993
60.00
62.00
50.00
69.00
63.00
69.00
65.00
57.00
56.00
60.00
63.00
72.00
1994
67.00
57.00
65.00
59.00
64.00
69.00
68.00
66.00
62.00
53.00
65.00
68.00
1995
66.00
67.00
67.00
64.00
68.00
63.00
68.00
66.00
59.00
66.00
60.00
61.00
1996
67.00
64.00
60.00
64.00
64.00
66.00
61.00
43.00
64.00
56.00
58.00
65.00
1997
65.00
64.00
62.00
63.00
65.00
67.00
65.00
64.00
65.00
62.00
57.00
54.00
&in
60.00
57.00
50.00
59.00
63.00
63.00
60.00
43.00
56.00
53.00
57.00
54.00
&a<
68.00
67.00
67.00
69.00
68.00
69.00
68.00
66.00
65.00
66.00
66.00
72.00
Rera ta
65.50
63.0 0
61.33
6 3.6 7
6 5.0 0
66 .67
64 .50
58 .67
61.00
60.33
6 1.5 0
6 4.0 0
(ata
Tahun
C &elembaban Maksimum !ulan $an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
1992
97.00
97.00
97.00
96.00
96.00
97.00
96.00
96.00
95.00
97.00
96.00
97.00
1993
97.00
96.00
96.00
98.00
96.00
97.00
97.00
98.00
93.00
97.00
95.00
95.00
1994
96.00
96.00
97.00
97.00
96.00
96.00
97.00
94.00
95.00
97.00
97.00
96.00
1995
96.00
97.00
95.00
96.00
95.00
97.00
97.00
97.00
96.00
94.00
98.00
96.00
1996
97.00
98.00
96.00
96.00
96.00
97.00
97.00
97.00
95.00
93.00
95.00
95.00
1997
96.00
95.00
97.00
94.00
97.00
97.00
96.00
93.00
96.00
97.00
96.00
95.00
&in
96.00
95.00
95.00
94.00
95.00
96.00
96.00
93.00
93.00
93.00
95.00
95.00
&a<
97.00
98.00
97.00
98.00
97.00
97.00
97.00
98.00
96.00
97.00
98.00
97.00
Rera ta
96.50
96.5 0
96.33
9 6.1 7
9 6.0 0
96 .83
96 .67
95 .83
95.00
95.83
9 6.1 7
9 5.6 7
(ata
C &elembaban Relatif 5:7
!ulan
$an
%eb
Mar
Apr
Mei
$un
$ul
Agt
#ept
Okt
Nov
(es
&in
65.50
63.00
61.33
63.67
65.00
66.67
64.50
58.67
61.00
60.33
61.50
64.00
&a<
96.50
96.50
96.33
96.17
96.00
96.83
96.67
95.83
95.00
95.83
96.17
95.67
Rera ta
81.00
79.7 5
78.83
7 9.9 2
8 0.5 0
81 .75
80 .58
77 .25
78.00
78.08
7 8.8 3
7 9.8 3
Tabel Kebutu'an Air elama $eniapan a'an ; $
T : 30 'ari
T : 45 'ari
mm"'ari
: 250 mm
: 300 mm
: 250 mm
: 300 mm
5.0
11.1
12.7
8.4
9.5
5.5
11.4
13.0
8.8
9.8
6.0
1.7
13.3
9.1
10.1
6.5
12.0
13.6
9.4
10.4
7.0
12.3
13.9
9.8
10.8
7.5
12.6
14.2
10.1
11.1
8.0
13.0
14.5
10.5
11.4
8.5
13.3
14.8
10.8
11.8
9.0
13.6
15.2
11.2
12.1
9.5
14.0
15.5
11.6
12.5
10.0
14.3
15.8
12.0
12.9
10.5
14.7
16.2
12.4
13.2
11.0
15.0
16.5
12.8
13.6
Tabel Perhitungan &ebutuhan Air Untuk Pola Tanam Padi 6 Padi 6 Pala4iBa !ulan No.
$ul
Agt
#ept
Okt
Nov
(es
$an
%eb
an A Mar
Apr
Mei
$un
#atuan Periode 3 harian ke6
I
II
I
II
I
II
I
II
I
II
$eniapan 1 $la Tanam
I
II
mm"'r
5.58
5.58
5.00
5.00
5.50
5.50
5.73
5.73
5.20
a. Kc1
$
1.10
1.10
1.05
1.05
0.95
0.00
b. Kc2
$
$
1.10
1.10
1.05
1.05
0.95
I
5.20
II
I
II
I
$a+i BB
a'an
a'an 2 ?aptran-pira-i pten-ial t/
II
II
I
II
I
II
$eniapan
$a+i B
mm"'r
I
$alai#a
5.35
5.35
5.70
5.70
5.26
5.26
6.08
6.08
5.41
5.41
5.37
5.37
5.09
5.09
$
1.10
1.10
1.05
1.05
0.95
0.00
0.50
0.75
1.00
1.00
0.82
0.45
$
$
$
1.10
1.10
1.05
1.05
0.95
0.00
0.50
0.75
1.00
1.00
0.82
0.45
3 Kefi-ien Tanaman Kc/
+. Kc 4 ura' Hu#an fe!tif Re/
mm"'r
5 $er!la-i $/
mm"'r
6 $enantian api-an Air R/
mm"'r
2.31
0.00
7 & : ; $
0.00
$
$
1.10
1.08
1.05
1.00
0.48
0.00
$
$
1.10
1.08
1.05
1.00
0.48
0.25
0.63
0.88
1.00
0.91
0.64
$
0.93
1.96
2.36
3.24
3.85
1.61
3.64
6.88
5.09
3.55
4.41
4.32
3.36
1.70
0.00
7.30
5.58
4.95
6.25
3.17
4.62
3.71
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.20
2.20
1.10 1.10
2.20
2.20
1.10 1.10 7.60
7.50
7.50
8.05
8.05
8.30
8.30
7.72
7.72
7.89
8.27
8.27
7.79
7.79
8.69
8.69
7.95
7.95
7.91
7.91
7.60
mm"'r
12.60
12.60
6.05
5.91
6.02
5.73
2.47
0.00 12.91 12.91
6.27
6.13
5.52
5.26
2.89
1.52
3.38
4.73
5.37
4.89
3.23 12.68
9 Kebutu'an Air =er-i' +i -aa' (,R/
mm"'r
11.67
10.64
7.89
6.87
5.27
7.22
0.00
0.00
7.82
9.36
6.06
6.01
5.26
6.66
2.89
0.00
0.00
0.00
0.00
1.71
0.00
8.97
10 (,R : (,R"864
lt"+t"'a
1.35
1.23
0.91
0.80
0.61
0.84
0.00
0.00
0.91
1.08
0.70
0.70
0.61
0.77
0.33
0.00
0.00
0.00
0.00
0.20
0.00
1.04
8 Keb. Air Tanaman tc/
7.89
umber Ha-il $er'itunan
Keteranan &ebutuhan air bersih di sa4ah 5N%R7 maksimum terdapat pada bulan (esember periode 3 harian I> Daitu sebesar 33.)0 mm+hari atau 3.23 lt+dt+ha
2.31
5.58
0.00
4.95
0.93
6.25
1.96
3.17
2.36
4.62
3.24
3.71
3.85
1.61
3.64
6.88
5.09
3.55
4.41
4.32
3.36
1.70
0.00
7.30
ir #elama PenDiapan ahan Eo @ P
T < 2* hari
mm+hari
# < )* mm
# < 2** mm
# < )* mm
T < , hari # < 2** mm
.*
33.3
3)./
1.,
0.
5.5
11.4
13.0
8.8
9.8
6.0
1.7
13.3
9.1
10.1
6.5
12.0
13.6
9.4
10.4
7.0
12.3
13.9
9.8
10.8
7.5
12.6
14.2
10.1
11.1
8.0
13.0
14.5
10.5
11.4
8.5
13.3
14.8
10.8
11.8
9.0
13.6
15.2
11.2
12.1
9.5
14.0
15.5
11.6
12.5
10.0
14.3
15.8
12.0
12.9
10.5
14.7
16.2
12.4
13.2
11.0
15.0
16.5
12.8
13.6
(> A)RA( 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 25
A1KA A2KB A2KA A3KB A3KA A4KB A4KA A5KB A5KA A6KB A6KA A7KB A7KA =1KB =1KA =2KB =2KA =3KB =3KA =4KB =4KA =5KB =5KA
$TAK CA( @BABRB (>. )A 'a/ $TAK 150.992 99.91 194.75 181.35 152.82 117.64 97.94 126.60 80.58 156.60 157.16 142.23 157.48 180.20 124.71 147.38 162.67 150.31 183.65 203.71 248.54 256.77 195.46
(,R &a!l"+t"'a/ 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35
KA$ABTA KA$ABTA D D l"+t/ m3"+t/ 254.80 168.60 328.64 306.03 257.88 198.52 165.27 213.64 135.98 264.25 265.20 240.01 265.75 304.09 210.45 248.70 274.51 253.65 309.91 343.76 419.41 433.30 329.84
0.25 0.17 0.33 0.31 0.26 0.20 0.17 0.21 0.14 0.26 0.27 0.24 0.27 0.30 0.21 0.25 0.27 0.25 0.31 0.34 0.42 0.43 0.33
Tabel ,.3) (imensi #aluran
(>.
A)RA(
1 2 3 4 5 6 7 8 9 10 11 12 13 14
#P 3 #P ) 1 2 3 4 5 6 7 8 9 10 11 12
#P 3 #P ) 1 2 3 4 5 6 7 8 9 10 11 12
D m3"+t 3.47 5.16 2.31 1.75 1.38 1.04 0.51 3.22 2.09 1.53 0.76 0.85 0.59 0.26
1.50 1.50 1.50 1.50 1.00 1.00 1.00 1.50 1.50 1.50 1.00 1.00 1.00 1.00
5.6 1.02 2.63 2.6 1.8 1.62 2.37 3.43 2.86 2.6 2.8 3.03 2.54 2.8
280000 51000 131500 130000 90000 81000 118500 171500 143000 130000 140000 151500 127000 140000
m
E m"+t 0.60 0.65 0.55 0.55 0.53 0.52 0.45 0.60 0.60 0.55 0.50 0.50 0.45 0.30
A m2 5.789 7.940 4.205 3.179 2.613 1.991 1.124 5.360 3.483 2.775 1.526 1.701 1.309 0.860
F' 31.99 5.69 15.22 18.12 11.76 12.22 19.60 20.62 22.32 19.84 23.31 23.46 18.97 11.83
32 6 15 18 12 12 20 21 22 20 23 24 19 12
b"'
' m/
b m/
3.0 3.5 2.5 2.5 2.0 2.0 2.0 3.0 2.5 2.5 2.0 2 2 1
1.134 1.260 1.025 0.892 0.933 0.815 0.612 1.091 0.933 0.833 0.713 0.753 0.661 0.656
3.403 4.411 2.563 2.229 1.867 1.629 1.224 3.274 2.333 2.082 1.427 1.506 1.321 0.656
$ m/ 7.492 8.954 6.260 5.443 4.506 3.933 2.955 7.209 5.697 5.086 3.444 3.636 3.190 2.511
R m/ 0.773 0.887 0.672 0.584 0.580 0.506 0.380 0.744 0.611 0.546 0.443 0.468 0.410 0.343
B < 104 1.142 1.116 1.157 1.394 1.307 1.508 1.654 1.203 1.561 1.526 1.665 1.549 1.494 0.845
Tini *aaan , m/ 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.6 0.6 0.6 0.5 0.5 0.5 0.3
(>. A)RA( 1 2 3 4 5 6 7 8 9 10 11
#P 3 1 2 3 #P ) 4 5 6 7 8 9
D &3"+t
m
2.18 1.28 0.71 0.35 4.53 2.09 1.53 0.76 0.85 0.59 0.26
1.50 1.00 1.00 1.00 1.50 1.50 1.50 1.00 1.00 1.00 1.00
c
E m"+t
A m2
b"'
' m/
b m/ $m/ Rm/
B < 104
