Contoh Perhitungan Curah Hujan
Curah Hujan Kecamatan Cigedug Kabupaten Garut
Selama 10 tahun
(1997 – 2006)
|
Tahun
|
||||||||||
|
Bulan
|
1997
|
1998
|
1999
|
2000
|
2001
|
2002
|
2003
|
2004
|
2005
|
2006
|
|
Jan
|
367
|
227
|
201
|
162
|
229
|
409
|
208
|
183
|
104
|
241
|
|
Feb
|
208
|
354
|
204
|
191
|
342
|
0
|
179
|
104
|
97
|
222
|
|
Maret
|
271
|
491
|
108
|
102
|
84
|
6
|
197
|
335
|
70
|
324
|
|
April
|
218
|
161
|
115
|
246
|
109
|
89
|
80
|
305
|
0
|
43
|
|
Mei
|
30
|
94
|
52
|
99
|
87
|
10
|
10
|
112
|
0
|
0
|
|
Juni
|
0
|
208
|
27
|
0
|
61
|
0
|
0
|
146
|
0
|
4
|
|
Juli
|
0
|
84
|
39
|
0
|
249
|
9
|
22
|
21
|
26
|
0
|
|
Agust
|
0
|
0
|
7
|
0
|
133
|
0
|
0
|
10
|
0
|
38
|
|
Sept
|
0
|
36
|
0
|
3
|
62
|
0
|
0
|
86
|
0
|
0
|
|
Okt
|
20
|
146
|
186
|
17
|
65
|
142
|
142
|
162
|
0
|
0
|
|
Nov
|
232
|
216
|
397
|
53
|
366
|
0
|
0
|
373
|
127
|
9
|
|
Des
|
55
|
80
|
156
|
130
|
302
|
390
|
390
|
26
|
280
|
299
|
|
Total
|
1466
|
2097
|
1492
|
1003
|
2089
|
1055
|
1228
|
1863
|
607
|
1180
|
|
BK < 60
|
7
|
2
|
5
|
6
|
0
|
8
|
6
|
3
|
7
|
8
|
|
BL 60 – 100
|
0
|
2
|
0
|
1
|
5
|
1
|
1
|
1
|
2
|
0
|
|
BB > 100
|
5
|
8
|
7
|
5
|
7
|
3
|
5
|
8
|
3
|
4
|
Sumber : Dinas Pertanian Tanaman Pangan
Kec. Cigedug.
Lampiran. 4. b. Kriteria Curah
Hujan menurut Schmidt dan Ferguson
(1951)
|
Tipe Curah Hujan
|
Nilai Q (%)
|
Keterangan
|
|
A
|
0,00≤ Q <
14,30
|
Sangat Basah
|
|
B
|
14,300≤ Q <
33,30
|
Basah
|
|
C
|
33,30≤ Q <
60,00
|
Agak Basah
|
|
D
|
60,00≤ Q <
100,00
|
Sedang
|
|
E
|
100,00≤ Q <
167,00
|
Agak Kering
|
|
F
|
167,00≤ Q <
300,00
|
Kering
|
|
G
|
300,00≤ Q <
700,00
|
Sangat Kering
|
|
H
|
700,00≤ Q <
|
Ekstrim Kering
|
Berdasarkan hasil
perhitungan, nilai Q = 96,36. maka
kecamatan Cigedug kabupaten
Garut termasuk bertipe curah hujan D yaitu sedang berdasarkan klasifikasi Schmidt dan Ferguson
(1951).
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