HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Majasari, Kec. Cibiuk, Garut, Prov. Jawa Barat
GPM01D_E10795_S0705
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.85
mm/hari
Reff Padi Rata-rata
2.70
mm/hari
Reff Padi Maksimum
7.58
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 | 79.41 | 193.75 | 213.37 | 236.42 | 252.88 | 257.08 | 111.52 | 162.99 | 81.84 | 23.87 | 85.61 | 124.56 | 87.03 | 99.73 | 46.97 | 50.26 | 1.91 | 69.53 | 51.72 | 292.10 | 186.98 | 209.58 | 136.47 | 194.04 |
| 1999 | 187.81 | 227.92 | 37.43 | 240.80 | 103.16 | 230.98 | 200.36 | 23.12 | 206.76 | 12.15 | 90.14 | 5.80 | 77.10 | 3.57 | 28.05 | 4.38 | 0.00 | 7.45 | 85.95 | 200.53 | 261.42 | 204.01 | 72.61 | 240.38 |
| 2000 | 158.37 | 234.04 | 86.53 | 155.15 | 91.00 | 180.37 | 124.06 | 223.44 | 132.33 | 92.34 | 37.74 | 91.23 | 7.67 | 12.39 | 6.59 | 49.65 | 15.04 | 5.02 | 30.05 | 176.38 | 128.25 | 179.93 | 107.70 | 104.33 |
| 2001 | 158.96 | 261.16 | 172.75 | 126.31 | 107.01 | 248.70 | 209.43 | 139.94 | 55.31 | 66.44 | 151.40 | 5.42 | 21.05 | 33.83 | 0.27 | 17.27 | 63.41 | 10.12 | 130.05 | 332.73 | 119.49 | 435.72 | 84.33 | 118.75 |
| 2002 | 70.68 | 467.52 | 78.53 | 161.85 | 224.24 | 152.39 | 195.02 | 70.00 | 84.81 | 4.87 | 20.77 | 2.14 | 11.97 | 64.28 | 9.97 | 1.88 | 1.23 | 1.67 | 2.52 | 22.05 | 42.63 | 184.46 | 254.38 | 177.88 |
| 2003 | 29.67 | 280.33 | 151.30 | 221.09 | 296.20 | 95.64 | 78.36 | 76.25 | 117.13 | 5.36 | 2.10 | 29.25 | 0.03 | 3.91 | 0.01 | 15.78 | 16.94 | 15.14 | 44.18 | 267.25 | 37.23 | 191.45 | 144.81 | 131.32 |
| 2004 | 103.16 | 293.10 | 117.07 | 182.76 | 246.80 | 148.06 | 113.08 | 14.26 | 85.58 | 137.33 | 59.09 | 1.61 | 30.99 | 64.79 | 0.05 | 0.30 | 1.74 | 23.54 | 6.43 | 7.12 | 62.60 | 216.25 | 127.19 | 253.33 |
| 2005 | 261.62 | 234.47 | 182.11 | 250.58 | 295.67 | 149.77 | 212.66 | 27.91 | 101.93 | 15.21 | 42.31 | 144.38 | 91.68 | 15.74 | 26.72 | 26.77 | 2.12 | 65.35 | 15.42 | 179.91 | 29.70 | 152.76 | 104.60 | 239.31 |
| 2006 | 337.13 | 122.76 | 239.26 | 217.46 | 133.15 | 132.07 | 187.44 | 99.08 | 97.80 | 86.31 | 30.59 | 0.43 | 4.28 | 0.31 | 0.38 | 0.00 | 0.84 | 0.00 | 0.00 | 4.95 | 37.96 | 80.57 | 101.57 | 336.55 |
| 2007 | 10.50 | 307.61 | 217.54 | 262.84 | 116.99 | 168.49 | 148.70 | 294.75 | 49.11 | 109.79 | 23.10 | 43.98 | 0.35 | 5.03 | 0.00 | 3.91 | 0.36 | 0.24 | 7.11 | 158.36 | 182.95 | 89.03 | 198.80 | 238.80 |
| 2008 | 97.97 | 262.06 | 124.93 | 162.33 | 247.24 | 164.91 | 170.80 | 108.37 | 16.73 | 2.53 | 14.79 | 1.51 | 0.00 | 1.97 | 23.96 | 1.42 | 3.89 | 0.25 | 61.34 | 118.82 | 146.36 | 307.23 | 335.91 | 105.62 |
| 2009 | 147.49 | 194.87 | 141.44 | 236.78 | 180.12 | 159.98 | 121.07 | 78.67 | 51.13 | 191.38 | 71.44 | 59.73 | 0.29 | 0.85 | 0.00 | 11.54 | 15.28 | 1.37 | 73.28 | 94.06 | 105.59 | 245.70 | 42.33 | 214.31 |
| 2010 | 179.05 | 262.78 | 195.40 | 265.67 | 306.09 | 254.33 | 156.39 | 82.60 | 236.35 | 165.61 | 156.04 | 85.21 | 59.61 | 121.20 | 81.28 | 112.02 | 245.35 | 150.01 | 110.86 | 231.22 | 177.34 | 197.75 | 229.42 | 122.39 |
| 2011 | 48.09 | 110.79 | 155.09 | 89.72 | 145.53 | 157.39 | 234.24 | 148.91 | 195.18 | 25.97 | 55.34 | 49.83 | 2.47 | 32.32 | 0.27 | 0.00 | 0.02 | 1.50 | 24.27 | 77.43 | 226.09 | 177.85 | 109.59 | 262.45 |
| 2012 | 150.95 | 196.10 | 191.76 | 137.06 | 149.96 | 132.76 | 187.48 | 76.88 | 135.39 | 50.64 | 74.24 | 0.00 | 0.00 | 0.42 | 0.00 | 8.43 | 0.58 | 8.43 | 20.18 | 117.56 | 42.11 | 329.03 | 184.62 | 327.46 |
| 2013 | 246.86 | 150.46 | 249.72 | 108.03 | 171.58 | 183.64 | 210.55 | 110.58 | 123.16 | 128.12 | 165.49 | 76.80 | 161.95 | 95.28 | 0.40 | 4.55 | 0.29 | 21.17 | 0.38 | 83.93 | 102.56 | 84.49 | 252.89 | 151.04 |
| 2014 | 451.92 | 107.03 | 84.32 | 277.45 | 289.47 | 82.06 | 227.71 | 149.52 | 82.00 | 42.81 | 19.10 | 137.43 | 45.13 | 108.87 | 18.05 | 8.86 | 0.00 | 0.00 | 0.00 | 31.15 | 162.77 | 159.96 | 159.46 | 291.77 |
| 2015 | 134.90 | 207.01 | 208.01 | 199.70 | 222.98 | 98.32 | 190.37 | 128.02 | 162.72 | 0.11 | 34.38 | 0.00 | 4.43 | 0.00 | 2.30 | 0.00 | 0.00 | 0.00 | 0.00 | 4.67 | 156.08 | 140.16 | 256.18 | 95.30 |
| 2016 | 140.65 | 214.31 | 229.77 | 157.46 | 207.63 | 201.39 | 195.77 | 102.30 | 138.21 | 97.93 | 73.33 | 91.52 | 161.88 | 57.48 | 46.30 | 50.49 | 51.43 | 268.07 | 167.51 | 213.13 | 168.72 | 153.31 | 192.80 | 73.21 |
| 2017 | 138.09 | 234.13 | 115.48 | 186.97 | 158.51 | 214.57 | 120.14 | 173.61 | 122.42 | 45.46 | 51.85 | 16.56 | 3.91 | 29.27 | 0.01 | 7.74 | 0.05 | 82.47 | 75.92 | 118.87 | 179.98 | 220.86 | 164.12 | 102.81 |
| 2018 | 148.29 | 54.98 | 67.27 | 386.54 | 242.71 | 154.33 | 139.92 | 135.81 | 3.88 | 87.05 | 4.54 | 30.19 | 0.00 | 0.00 | 0.70 | 0.00 | 11.01 | 6.65 | 0.92 | 40.32 | 198.86 | 82.10 | 212.62 | 125.77 |
| 2019 | 192.95 | 202.69 | 235.17 | 178.76 | 167.22 | 171.99 | 281.82 | 79.03 | 57.96 | 2.44 | 5.89 | 0.03 | 0.20 | 0.00 | 0.08 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 31.92 | 69.16 | 120.71 | 224.98 |
| 2020 | 142.68 | 170.56 | 253.30 | 220.86 | 269.41 | 232.34 | 179.71 | 127.49 | 103.08 | 149.32 | 48.86 | 38.20 | 95.83 | 2.03 | 11.06 | 4.05 | 9.45 | 18.92 | 45.93 | 247.43 | 92.32 | 192.75 | 148.81 | 205.04 |
| 2021 | 233.37 | 147.79 | 172.07 | 246.72 | 142.61 | 261.30 | 182.99 | 6.18 | 37.53 | 101.77 | 56.63 | 102.62 | 11.37 | 6.20 | 14.55 | 35.89 | 85.51 | 46.09 | 9.11 | 214.36 | 216.02 | 232.16 | 136.24 | 240.27 |
| 2022 | 162.20 | 148.17 | 168.30 | 83.96 | 228.13 | 147.42 | 86.35 | 266.67 | 103.65 | 106.55 | 96.28 | 61.87 | 126.97 | 22.20 | 73.51 | 1.17 | 133.49 | 70.54 | 117.30 | 238.66 | 153.82 | 205.44 | 97.06 | 174.63 |
| 2023 | 102.02 | 248.99 | 121.65 | 180.69 | 67.99 | 289.24 | 166.90 | 83.99 | 166.99 | 2.92 | 7.87 | 68.38 | 25.19 | 0.00 | 2.95 | 0.42 | 0.16 | 0.21 | 1.76 | 7.25 | 74.40 | 163.57 | 103.64 | 142.81 |
| 2024 | 221.28 | 171.76 | 162.69 | 189.68 | 311.60 | 27.73 | 220.05 | 86.87 | 2.43 | 103.96 | 59.58 | 46.01 | 73.86 | 0.00 | 4.99 | 0.86 | 46.63 | 100.32 | 16.11 | 32.34 | 221.75 | 206.47 | 200.03 | 93.75 |
| 2025 | 189.10 | 317.91 | 53.02 | 269.69 | 204.89 | 98.51 | 162.25 | 99.43 | 134.71 | 132.51 | 40.30 | 74.51 | 81.23 | 0.22 | 52.16 | 114.30 | 61.08 | 117.96 | – | – | – | – | – | – |
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 | 94.25 | 148.09 | 86.08 | 151.53 | 129.91 | 125.35 | 120.88 | 75.00 | 50.72 | 5.26 | 18.23 | 1.59 | 0.27 | 0.17 | 0.04 | 0.29 | 0.04 | 0.23 | 0.70 | 16.13 | 42.42 | 119.71 | 102.81 | 105.10 |
| R80mm/hari | 6.28 | 9.26 | 6.15 | 10.82 | 8.66 | 7.83 | 8.06 | 5.00 | 3.38 | 0.33 | 1.22 | 0.11 | 0.02 | 0.01 | 0.00 | 0.02 | 0.00 | 0.02 | 0.05 | 1.01 | 2.83 | 7.98 | 6.85 | 6.57 |
| Reff Padimm/hari | 4.40 | 6.48 | 4.30 | 7.58 | 6.06 | 5.48 | 5.64 | 3.50 | 2.37 | 0.23 | 0.85 | 0.07 | 0.01 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.03 | 0.71 | 1.98 | 5.59 | 4.80 | 4.60 |
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.