HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Rancabango, Kec. Tarogong Kaler, Garut, Prov. Jawa Barat
GPM01D_E10785_S0715
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.89
mm/hari
Reff Padi Rata-rata
2.72
mm/hari
Reff Padi Maksimum
7.04
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 | 166.79 | 127.98 | 171.12 | 304.20 | 274.51 | 237.44 | 143.07 | 142.27 | 67.79 | 21.21 | 110.51 | 107.46 | 75.14 | 108.58 | 54.16 | 46.95 | 2.57 | 109.09 | 68.93 | 291.11 | 184.84 | 183.63 | 112.89 | 190.94 |
| 1999 | 156.95 | 239.34 | 49.05 | 226.13 | 135.52 | 171.30 | 160.95 | 37.72 | 199.54 | 14.12 | 91.00 | 14.22 | 78.35 | 12.41 | 51.96 | 0.87 | 0.06 | 3.37 | 104.10 | 137.43 | 233.27 | 222.75 | 72.60 | 226.62 |
| 2000 | 131.28 | 243.20 | 74.39 | 161.22 | 99.43 | 165.26 | 97.28 | 240.49 | 134.85 | 95.09 | 46.74 | 78.41 | 20.65 | 18.99 | 16.33 | 47.66 | 2.16 | 1.90 | 42.37 | 187.65 | 146.08 | 157.15 | 118.83 | 85.71 |
| 2001 | 143.75 | 252.56 | 214.49 | 73.57 | 113.47 | 236.62 | 212.70 | 134.31 | 46.95 | 94.52 | 151.76 | 7.40 | 24.02 | 56.82 | 1.30 | 15.12 | 62.03 | 17.56 | 147.32 | 337.90 | 141.19 | 417.85 | 82.30 | 112.20 |
| 2002 | 53.65 | 457.40 | 102.13 | 132.23 | 220.40 | 153.55 | 143.83 | 117.67 | 89.49 | 3.81 | 9.14 | 0.70 | 13.44 | 36.40 | 6.31 | 5.26 | 1.62 | 1.88 | 0.55 | 33.58 | 76.49 | 168.41 | 193.31 | 211.35 |
| 2003 | 36.15 | 245.27 | 138.13 | 224.29 | 310.65 | 72.53 | 70.47 | 93.74 | 122.72 | 5.14 | 4.13 | 21.15 | 1.96 | 5.88 | 0.46 | 26.61 | 19.11 | 6.25 | 48.46 | 246.02 | 30.02 | 222.94 | 139.96 | 155.10 |
| 2004 | 75.88 | 261.92 | 115.56 | 174.02 | 236.22 | 131.75 | 129.47 | 42.70 | 46.75 | 115.06 | 63.18 | 1.19 | 59.00 | 39.29 | 1.04 | 0.76 | 25.66 | 23.47 | 1.52 | 8.65 | 86.38 | 197.50 | 152.13 | 239.04 |
| 2005 | 251.50 | 239.94 | 231.88 | 218.22 | 226.40 | 207.92 | 220.37 | 30.33 | 144.34 | 9.74 | 45.47 | 152.82 | 127.13 | 8.73 | 13.25 | 34.19 | 0.60 | 76.67 | 11.34 | 210.18 | 81.67 | 161.09 | 116.23 | 235.11 |
| 2006 | 311.68 | 123.17 | 174.62 | 259.73 | 112.09 | 132.58 | 124.69 | 186.80 | 87.01 | 88.05 | 39.15 | 2.72 | 0.22 | 2.47 | 0.00 | 0.27 | 0.41 | 0.00 | 0.00 | 2.72 | 40.40 | 93.17 | 88.96 | 365.24 |
| 2007 | 17.23 | 263.25 | 175.46 | 317.47 | 85.60 | 185.69 | 149.02 | 292.05 | 62.52 | 94.09 | 31.46 | 25.88 | 0.73 | 7.69 | 0.00 | 4.99 | 3.07 | 0.78 | 9.70 | 172.22 | 275.35 | 51.49 | 186.12 | 269.28 |
| 2008 | 97.79 | 240.64 | 111.41 | 166.05 | 252.34 | 163.36 | 186.77 | 109.14 | 24.10 | 1.65 | 25.00 | 0.93 | 0.03 | 4.20 | 19.05 | 4.15 | 4.58 | 0.22 | 61.30 | 145.34 | 181.73 | 260.81 | 353.84 | 87.32 |
| 2009 | 154.12 | 188.61 | 162.14 | 192.74 | 143.59 | 212.04 | 128.96 | 80.90 | 69.95 | 176.04 | 77.85 | 58.47 | 2.93 | 2.76 | 0.00 | 1.38 | 17.92 | 3.94 | 55.02 | 191.53 | 99.46 | 268.60 | 37.68 | 221.83 |
| 2010 | 150.98 | 256.07 | 221.45 | 266.71 | 283.47 | 275.96 | 137.67 | 87.89 | 225.88 | 173.65 | 163.07 | 84.94 | 72.20 | 122.06 | 79.85 | 119.12 | 258.55 | 166.21 | 115.38 | 247.03 | 163.28 | 242.03 | 227.21 | 129.41 |
| 2011 | 73.12 | 93.56 | 144.44 | 99.83 | 116.25 | 166.81 | 206.20 | 164.13 | 197.25 | 21.78 | 70.25 | 37.39 | 0.15 | 48.04 | 1.90 | 0.00 | 0.96 | 2.03 | 19.98 | 96.18 | 209.62 | 213.39 | 108.59 | 242.70 |
| 2012 | 147.11 | 171.55 | 157.08 | 172.73 | 177.35 | 93.72 | 182.30 | 106.51 | 167.05 | 32.56 | 80.43 | 0.09 | 0.49 | 0.14 | 0.00 | 11.33 | 1.36 | 5.67 | 46.11 | 120.86 | 44.26 | 370.11 | 252.94 | 274.11 |
| 2013 | 216.20 | 152.38 | 207.38 | 137.11 | 188.46 | 161.59 | 227.88 | 97.78 | 116.55 | 149.70 | 193.59 | 55.16 | 147.40 | 116.21 | 12.13 | 2.51 | 0.02 | 37.88 | 0.40 | 106.64 | 116.66 | 74.69 | 228.34 | 208.22 |
| 2014 | 304.80 | 98.05 | 144.99 | 205.90 | 271.86 | 132.86 | 225.57 | 133.40 | 137.19 | 63.80 | 13.45 | 159.44 | 61.63 | 146.61 | 10.42 | 7.09 | 0.00 | 0.00 | 0.86 | 13.63 | 172.36 | 184.63 | 155.46 | 296.80 |
| 2015 | 119.12 | 198.77 | 231.19 | 163.14 | 209.39 | 105.42 | 142.68 | 161.17 | 162.08 | 4.27 | 40.32 | 0.00 | 0.79 | 0.00 | 4.34 | 0.00 | 0.00 | 0.00 | 0.00 | 6.72 | 195.55 | 131.65 | 265.09 | 87.55 |
| 2016 | 153.90 | 180.53 | 228.59 | 141.71 | 187.68 | 240.19 | 224.81 | 107.70 | 145.87 | 96.54 | 62.45 | 104.16 | 162.36 | 58.29 | 40.79 | 75.97 | 47.63 | 289.19 | 190.43 | 205.78 | 189.21 | 148.40 | 186.47 | 65.32 |
| 2017 | 92.71 | 226.16 | 124.57 | 184.30 | 170.30 | 196.97 | 141.71 | 153.55 | 124.23 | 51.26 | 53.94 | 18.32 | 5.40 | 21.79 | 0.13 | 2.47 | 0.17 | 52.38 | 109.36 | 124.17 | 214.97 | 207.88 | 177.44 | 90.79 |
| 2018 | 118.55 | 83.95 | 69.04 | 363.62 | 230.96 | 140.70 | 141.50 | 118.56 | 1.97 | 106.28 | 0.00 | 64.61 | 0.19 | 0.00 | 2.21 | 0.00 | 0.12 | 15.17 | 1.00 | 24.22 | 198.92 | 111.10 | 225.14 | 122.60 |
| 2019 | 146.13 | 230.54 | 237.12 | 194.92 | 175.04 | 176.86 | 274.55 | 76.07 | 50.29 | 0.65 | 3.93 | 0.01 | 1.03 | 0.14 | 2.07 | 0.70 | 0.00 | 0.00 | 0.00 | 5.77 | 90.18 | 42.19 | 162.06 | 209.07 |
| 2020 | 148.18 | 155.71 | 242.03 | 230.23 | 279.36 | 214.99 | 174.31 | 127.15 | 78.35 | 171.94 | 46.15 | 60.38 | 49.26 | 2.22 | 16.03 | 8.37 | 9.24 | 10.04 | 37.04 | 331.48 | 104.38 | 188.57 | 171.99 | 177.51 |
| 2021 | 209.78 | 142.92 | 191.54 | 214.02 | 147.59 | 246.18 | 189.71 | 6.71 | 26.07 | 83.69 | 40.74 | 135.01 | 16.13 | 7.08 | 21.46 | 19.94 | 87.36 | 51.93 | 21.72 | 230.35 | 249.57 | 212.71 | 116.80 | 246.94 |
| 2022 | 150.03 | 141.04 | 175.85 | 74.92 | 221.79 | 153.50 | 131.97 | 221.43 | 132.71 | 81.59 | 90.17 | 69.27 | 145.95 | 13.50 | 71.53 | 0.42 | 147.26 | 70.59 | 116.33 | 253.90 | 154.77 | 208.67 | 97.35 | 183.95 |
| 2023 | 79.46 | 236.32 | 143.27 | 160.11 | 88.66 | 279.95 | 130.07 | 103.09 | 171.60 | 5.19 | 12.23 | 86.00 | 39.73 | 0.00 | 1.28 | 0.06 | 0.00 | 0.00 | 0.00 | 11.56 | 119.37 | 140.36 | 119.62 | 118.53 |
| 2024 | 185.50 | 180.63 | 143.10 | 192.79 | 311.42 | 21.30 | 207.65 | 92.82 | 4.37 | 90.28 | 81.93 | 45.75 | 71.18 | 0.00 | 3.30 | 1.67 | 78.74 | 72.18 | 22.35 | 23.63 | 187.25 | 270.74 | 212.14 | 106.53 |
| 2025 | 157.79 | 308.15 | 67.60 | 248.87 | 181.11 | 86.68 | 156.28 | 60.37 | 146.84 | 118.46 | 41.25 | 70.42 | 81.89 | 0.00 | 76.21 | 112.01 | 70.73 | 121.97 | – | – | – | – | – | – |
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 | 78.74 | 138.42 | 109.55 | 140.79 | 115.69 | 126.48 | 129.95 | 72.93 | 46.91 | 5.18 | 13.21 | 1.13 | 0.68 | 0.11 | 0.39 | 0.39 | 0.05 | 0.17 | 0.49 | 12.80 | 84.49 | 123.43 | 104.09 | 100.23 |
| R80mm/hari | 5.25 | 8.65 | 7.83 | 10.06 | 7.71 | 7.90 | 8.66 | 4.86 | 3.13 | 0.32 | 0.88 | 0.08 | 0.05 | 0.01 | 0.03 | 0.02 | 0.00 | 0.01 | 0.03 | 0.80 | 5.63 | 8.23 | 6.94 | 6.26 |
| Reff Padimm/hari | 3.67 | 6.06 | 5.48 | 7.04 | 5.40 | 5.53 | 6.06 | 3.40 | 2.19 | 0.23 | 0.62 | 0.05 | 0.03 | 0.00 | 0.02 | 0.02 | 0.00 | 0.01 | 0.02 | 0.56 | 3.94 | 5.76 | 4.86 | 4.39 |
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.