HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Jatisari, Kec. Cisompet, Garut, Prov. Jawa Barat
GPM01D_E10785_S0755
Panjang Data
28
tahun tersedia
R80 Rata-rata
4.13
mm/hari
Reff Padi Rata-rata
2.89
mm/hari
Reff Padi Maksimum
6.65
mm/hari
Metode mengikuti pola modul TRMM hidrologi.net: data setengah bulanan diurutkan,
probabilitas Weibull dihitung dengan m/(n+1), R80 diinterpolasi,
kemudian hujan efektif padi = 70% × R80 per hari.
DATA SETENGAH BULANAN
Curah Hujan per Periode I–II
Akumulasi curah hujan setengah bulanan untuk penyusunan ranking probabilitas.
mm/periode
| Tahun | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I | II | I | II | I | II | I | II | I | II | I | II | I | II | I | II | I | II | I | II | I | II | I | II | |
| 1998 | 99.53 | 197.23 | 181.49 | 295.06 | 344.05 | 185.08 | 174.08 | 167.75 | 74.94 | 49.52 | 107.36 | 147.44 | 64.56 | 149.28 | 66.94 | 61.02 | 6.48 | 189.65 | 83.19 | 337.68 | 241.83 | 195.55 | 52.94 | 261.72 |
| 1999 | 142.26 | 256.81 | 58.15 | 188.58 | 158.62 | 161.78 | 140.07 | 45.80 | 124.34 | 4.84 | 136.92 | 0.91 | 48.23 | 4.24 | 18.50 | 0.00 | 0.00 | 6.23 | 218.49 | 165.04 | 259.97 | 185.16 | 154.69 | 209.74 |
| 2000 | 286.71 | 138.73 | 98.64 | 136.82 | 129.39 | 149.33 | 141.59 | 212.16 | 90.33 | 183.41 | 103.72 | 39.58 | 10.03 | 62.20 | 3.20 | 75.29 | 45.35 | 33.47 | 65.95 | 246.63 | 166.44 | 198.48 | 92.05 | 54.66 |
| 2001 | 173.22 | 205.32 | 229.12 | 48.11 | 119.36 | 228.37 | 266.14 | 83.93 | 59.03 | 96.00 | 181.13 | 2.88 | 11.11 | 92.55 | 0.19 | 13.75 | 121.55 | 21.34 | 58.83 | 610.42 | 246.36 | 362.46 | 73.81 | 165.97 |
| 2002 | 62.13 | 426.72 | 156.67 | 64.46 | 183.34 | 207.22 | 200.45 | 87.79 | 65.47 | 0.81 | 20.41 | 0.20 | 10.94 | 2.88 | 1.91 | 2.86 | 7.89 | 2.01 | 0.37 | 17.63 | 166.38 | 128.47 | 171.14 | 293.19 |
| 2003 | 57.05 | 218.40 | 175.83 | 141.95 | 237.27 | 134.31 | 53.58 | 67.74 | 130.42 | 11.22 | 14.80 | 36.62 | 1.20 | 4.46 | 1.87 | 39.77 | 22.83 | 16.40 | 24.96 | 357.32 | 74.29 | 229.74 | 236.35 | 84.47 |
| 2004 | 86.32 | 196.74 | 152.92 | 128.40 | 169.66 | 165.83 | 79.63 | 29.75 | 38.80 | 236.10 | 72.07 | 0.46 | 117.94 | 24.67 | 2.28 | 0.08 | 41.34 | 26.77 | 1.71 | 34.86 | 154.82 | 256.82 | 132.15 | 354.13 |
| 2005 | 186.89 | 277.04 | 226.52 | 239.89 | 187.51 | 269.06 | 211.48 | 40.32 | 61.19 | 52.51 | 48.66 | 192.29 | 165.72 | 5.93 | 10.36 | 78.86 | 4.05 | 272.25 | 58.14 | 257.80 | 76.97 | 263.66 | 130.39 | 241.10 |
| 2006 | 226.29 | 188.78 | 128.27 | 279.39 | 112.71 | 144.34 | 122.81 | 203.17 | 82.68 | 122.72 | 73.98 | 0.54 | 4.51 | 4.04 | 1.42 | 0.00 | 0.12 | 2.49 | 4.65 | 6.40 | 63.42 | 110.55 | 110.75 | 375.22 |
| 2007 | 3.80 | 271.36 | 189.39 | 305.81 | 93.92 | 174.43 | 274.58 | 219.47 | 100.67 | 81.49 | 35.50 | 24.45 | 0.52 | 1.53 | 0.64 | 15.91 | 0.74 | 0.15 | 1.31 | 272.36 | 475.45 | 18.66 | 201.76 | 285.54 |
| 2008 | 114.67 | 197.72 | 143.13 | 156.70 | 196.32 | 172.02 | 216.06 | 89.36 | 87.08 | 0.68 | 31.96 | 2.31 | 4.75 | 5.19 | 9.19 | 1.74 | 13.18 | 1.25 | 117.48 | 192.25 | 317.07 | 192.18 | 223.85 | 73.92 |
| 2009 | 173.16 | 213.12 | 199.25 | 145.10 | 123.19 | 245.82 | 173.96 | 66.42 | 180.83 | 80.75 | 154.93 | 8.02 | 0.74 | 125.73 | 0.23 | 1.66 | 61.75 | 9.94 | 277.00 | 109.36 | 151.00 | 276.13 | 173.77 | 133.42 |
| 2010 | 126.83 | 261.26 | 249.85 | 276.96 | 296.59 | 243.68 | 120.13 | 142.01 | 271.71 | 148.82 | 118.62 | 165.30 | 156.21 | 79.17 | 168.78 | 101.88 | 270.89 | 224.85 | 98.16 | 339.91 | 211.30 | 227.75 | 280.09 | 122.96 |
| 2011 | 91.12 | 104.77 | 132.40 | 94.18 | 117.75 | 151.14 | 162.73 | 254.25 | 217.11 | 51.21 | 80.80 | 33.49 | 2.87 | 88.00 | 0.00 | 0.00 | 2.77 | 1.28 | 87.13 | 111.81 | 271.35 | 203.07 | 137.19 | 225.84 |
| 2012 | 198.21 | 111.96 | 126.12 | 203.91 | 185.31 | 89.36 | 274.33 | 65.64 | 159.49 | 75.64 | 75.92 | 10.55 | 6.39 | 5.10 | 0.00 | 9.77 | 0.00 | 1.42 | 80.44 | 138.17 | 136.68 | 381.36 | 352.99 | 204.08 |
| 2013 | 213.76 | 134.57 | 167.19 | 185.13 | 176.86 | 182.37 | 246.47 | 70.39 | 80.16 | 215.09 | 178.50 | 125.21 | 256.84 | 71.48 | 11.92 | 50.92 | 0.24 | 49.08 | 4.96 | 86.27 | 148.82 | 82.65 | 305.62 | 132.48 |
| 2014 | 346.15 | 196.34 | 131.10 | 197.71 | 225.73 | 171.17 | 260.28 | 113.53 | 210.35 | 30.27 | 14.98 | 194.97 | 183.06 | 171.51 | 55.71 | 1.98 | 0.66 | 2.14 | 0.26 | 47.96 | 173.36 | 298.15 | 145.94 | 326.32 |
| 2015 | 46.85 | 239.43 | 190.12 | 171.68 | 149.66 | 157.33 | 149.42 | 161.09 | 150.86 | 32.69 | 52.28 | 0.00 | 2.15 | 0.00 | 7.33 | 0.00 | 0.00 | 0.25 | 0.00 | 2.55 | 277.60 | 143.33 | 231.98 | 167.76 |
| 2016 | 149.13 | 205.47 | 263.32 | 92.78 | 140.76 | 292.25 | 274.01 | 111.71 | 263.28 | 54.87 | 59.93 | 149.12 | 192.52 | 136.77 | 48.40 | 135.85 | 80.67 | 355.96 | 294.76 | 219.46 | 181.72 | 229.53 | 178.73 | 88.60 |
| 2017 | 93.32 | 215.75 | 144.59 | 156.22 | 159.46 | 208.73 | 136.72 | 186.32 | 34.15 | 131.47 | 58.95 | 75.57 | 11.37 | 21.49 | 0.00 | 11.61 | 0.47 | 129.65 | 251.05 | 177.91 | 214.25 | 247.74 | 119.71 | 153.71 |
| 2018 | 96.87 | 134.57 | 126.40 | 226.78 | 182.63 | 159.65 | 110.34 | 169.28 | 6.61 | 70.40 | 3.10 | 90.44 | 0.00 | 1.50 | 4.13 | 0.00 | 6.76 | 69.54 | 1.91 | 106.28 | 353.29 | 102.08 | 315.26 | 104.90 |
| 2019 | 115.84 | 254.33 | 44.34 | 224.32 | 254.04 | 131.13 | 187.11 | 159.27 | 109.47 | 0.00 | 4.61 | 0.03 | 0.50 | 0.00 | 0.00 | 0.30 | 0.00 | 0.00 | 0.00 | 19.47 | 146.41 | 23.85 | 153.39 | 197.13 |
| 2020 | 207.44 | 125.79 | 225.09 | 263.25 | 371.57 | 179.49 | 225.81 | 104.73 | 155.44 | 183.41 | 33.86 | 128.84 | 28.98 | 0.00 | 75.30 | 0.00 | 24.96 | 144.20 | 147.44 | 326.43 | 122.63 | 263.55 | 293.81 | 95.55 |
| 2021 | 205.11 | 157.60 | 212.91 | 229.15 | 241.42 | 93.87 | 183.03 | 14.30 | 6.08 | 64.04 | 44.26 | 187.01 | 12.48 | 25.45 | 74.02 | 10.67 | 121.34 | 51.67 | 6.61 | 299.68 | 382.65 | 161.90 | 150.88 | 220.48 |
| 2022 | 133.89 | 108.63 | 114.49 | 144.20 | 165.72 | 210.62 | 140.26 | 243.39 | 51.49 | 172.93 | 72.69 | 127.09 | 189.29 | 11.42 | 176.19 | 7.59 | 164.76 | 169.65 | 184.69 | 233.84 | 306.86 | 170.13 | 159.99 | 158.30 |
| 2023 | 58.86 | 244.57 | 183.32 | 111.61 | 37.31 | 306.82 | 117.95 | 124.80 | 194.05 | 5.29 | 18.74 | 79.53 | 133.65 | 0.00 | 2.47 | 0.00 | 0.90 | 0.00 | 3.17 | 4.53 | 185.06 | 163.96 | 102.74 | 126.02 |
| 2024 | 218.52 | 172.13 | 142.55 | 174.02 | 273.17 | 44.36 | 159.94 | 162.51 | 4.58 | 25.21 | 74.31 | 120.84 | 76.91 | 0.00 | 14.94 | 3.31 | 84.85 | 69.27 | 12.68 | 95.89 | 212.93 | 308.80 | 282.14 | 92.10 |
| 2025 | 162.82 | 293.16 | 39.17 | 280.63 | 157.21 | 108.73 | 202.06 | 46.61 | 185.53 | 243.29 | 101.17 | 63.99 | 58.76 | 42.31 | 65.01 | 156.43 | 79.03 | 217.66 | – | – | – | – | – | – |
HASIL R80
Ringkasan R80 dan Hujan Efektif
Nilai ditampilkan untuk periode I dan II setiap bulan.
mm
| Parameter | Jan I | Jan II | Feb I | Feb II | Mar I | Mar II | Apr I | Apr II | Mei I | Mei II | Jun I | Jun II | Jul I | Jul II | Agu I | Agu II | Sep I | Sep II | Okt I | Okt II | Nov I | Nov II | Des I | Des II |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R80mm/periode | 81.48 | 134.57 | 123.79 | 125.04 | 122.42 | 133.67 | 122.27 | 61.83 | 48.95 | 10.03 | 20.07 | 0.84 | 1.96 | 1.20 | 0.22 | 0.00 | 0.22 | 1.27 | 1.55 | 28.70 | 142.52 | 121.30 | 116.13 | 94.17 |
| R80mm/hari | 5.43 | 8.41 | 8.84 | 8.93 | 8.16 | 8.35 | 8.15 | 4.12 | 3.26 | 0.63 | 1.34 | 0.06 | 0.13 | 0.07 | 0.01 | 0.00 | 0.01 | 0.08 | 0.10 | 1.79 | 9.50 | 8.09 | 7.74 | 5.89 |
| Reff Padimm/hari | 3.80 | 5.89 | 6.19 | 6.25 | 5.71 | 5.85 | 5.71 | 2.89 | 2.28 | 0.44 | 0.94 | 0.04 | 0.09 | 0.05 | 0.01 | 0.00 | 0.01 | 0.06 | 0.07 | 1.26 | 6.65 | 5.66 | 5.42 | 4.12 |
INTERPRETASI
Nilai R80 menggambarkan curah hujan yang dapat diandalkan pada probabilitas 80%. Hujan efektif padi pada modul ini dihitung sebesar 70% dari R80 harian dan dapat digunakan sebagai input awal analisis kebutuhan air irigasi dengan tetap memperhatikan metode desain dan data lapangan yang digunakan pada studi.