HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Cibuluh, Kec. Ujungjaya, Sumedang, Prov. Jawa Barat
GPM01D_E10805_S0665
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.98
mm/hari
Reff Padi Rata-rata
2.78
mm/hari
Reff Padi Maksimum
6.88
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 | 111.11 | 140.82 | 151.65 | 288.42 | 127.84 | 263.06 | 137.85 | 115.09 | 117.84 | 77.33 | 125.16 | 39.55 | 104.73 | 74.54 | 32.01 | 43.04 | 2.61 | 105.99 | 50.22 | 257.19 | 190.63 | 244.76 | 129.19 | 201.64 |
| 1999 | 169.36 | 259.34 | 98.55 | 188.24 | 117.05 | 241.50 | 315.55 | 10.39 | 181.59 | 40.09 | 105.25 | 3.08 | 31.39 | 38.27 | 19.03 | 4.48 | 0.94 | 1.89 | 51.96 | 202.59 | 191.38 | 263.68 | 86.91 | 284.25 |
| 2000 | 102.13 | 276.12 | 137.95 | 72.59 | 76.92 | 348.90 | 121.56 | 171.43 | 159.24 | 38.53 | 47.93 | 96.16 | 18.92 | 36.46 | 6.76 | 17.08 | 0.27 | 40.34 | 19.88 | 159.25 | 118.76 | 166.44 | 93.78 | 150.42 |
| 2001 | 226.57 | 232.93 | 162.63 | 144.84 | 180.26 | 226.07 | 282.84 | 65.38 | 71.90 | 53.91 | 160.97 | 5.00 | 21.40 | 68.65 | 1.94 | 6.73 | 21.48 | 46.17 | 130.92 | 184.37 | 162.99 | 402.02 | 106.56 | 205.78 |
| 2002 | 132.91 | 397.38 | 146.85 | 140.88 | 131.79 | 242.77 | 216.55 | 53.29 | 98.48 | 4.85 | 15.14 | 1.76 | 23.66 | 47.05 | 11.39 | 2.51 | 1.69 | 4.41 | 0.12 | 3.29 | 11.64 | 167.05 | 130.70 | 273.34 |
| 2003 | 69.20 | 171.76 | 176.00 | 246.49 | 254.42 | 94.40 | 92.56 | 57.36 | 132.26 | 5.44 | 0.09 | 43.23 | 1.91 | 0.73 | 0.00 | 4.21 | 4.61 | 67.80 | 90.67 | 67.92 | 33.99 | 131.10 | 135.31 | 117.27 |
| 2004 | 267.04 | 213.23 | 161.88 | 235.62 | 312.73 | 166.45 | 123.90 | 52.81 | 79.62 | 111.29 | 50.91 | 1.77 | 22.04 | 12.94 | 3.53 | 1.07 | 4.47 | 19.72 | 1.61 | 11.38 | 52.43 | 216.89 | 143.65 | 140.96 |
| 2005 | 262.39 | 192.51 | 180.11 | 256.42 | 254.27 | 195.02 | 231.15 | 57.43 | 127.61 | 7.89 | 112.29 | 86.57 | 89.44 | 8.59 | 24.19 | 37.39 | 23.51 | 57.48 | 24.32 | 143.08 | 12.06 | 145.52 | 160.03 | 201.98 |
| 2006 | 280.70 | 204.09 | 186.87 | 288.50 | 185.59 | 132.07 | 143.74 | 100.69 | 135.07 | 103.68 | 36.80 | 1.69 | 0.25 | 2.06 | 0.71 | 0.00 | 4.53 | 0.55 | 0.00 | 2.21 | 3.58 | 95.56 | 123.49 | 290.79 |
| 2007 | 28.83 | 296.67 | 194.62 | 273.14 | 138.07 | 194.81 | 66.42 | 369.78 | 53.00 | 97.89 | 5.25 | 97.86 | 3.55 | 1.36 | 0.00 | 6.20 | 0.96 | 1.13 | 55.95 | 65.91 | 148.46 | 152.52 | 252.71 | 178.64 |
| 2008 | 159.28 | 281.54 | 132.72 | 219.09 | 229.56 | 229.80 | 85.45 | 188.72 | 88.30 | 3.91 | 41.75 | 0.40 | 0.54 | 2.88 | 22.02 | 19.65 | 9.77 | 0.00 | 42.03 | 93.07 | 118.81 | 291.48 | 327.91 | 184.88 |
| 2009 | 114.80 | 179.72 | 173.55 | 233.11 | 267.37 | 48.85 | 94.43 | 94.27 | 83.65 | 163.61 | 87.16 | 18.62 | 6.21 | 16.75 | 0.54 | 1.21 | 10.93 | 6.90 | 90.52 | 44.67 | 93.87 | 151.85 | 58.55 | 221.45 |
| 2010 | 135.14 | 244.35 | 237.00 | 224.33 | 278.86 | 275.87 | 210.19 | 87.36 | 242.56 | 187.18 | 140.17 | 82.95 | 95.87 | 67.89 | 46.35 | 85.20 | 182.44 | 110.59 | 91.37 | 204.77 | 195.05 | 136.57 | 147.01 | 180.86 |
| 2011 | 31.20 | 146.12 | 180.49 | 55.62 | 208.50 | 149.14 | 327.12 | 108.82 | 222.39 | 98.35 | 35.77 | 60.06 | 3.88 | 16.40 | 0.00 | 0.08 | 0.09 | 0.33 | 2.07 | 85.45 | 219.26 | 163.57 | 101.65 | 324.41 |
| 2012 | 175.48 | 208.76 | 204.52 | 142.63 | 175.36 | 140.38 | 174.55 | 108.63 | 101.90 | 6.36 | 72.68 | 0.25 | 2.89 | 8.79 | 0.00 | 6.60 | 0.00 | 4.55 | 4.99 | 61.03 | 61.49 | 247.20 | 166.59 | 322.13 |
| 2013 | 188.89 | 228.39 | 243.95 | 169.39 | 225.73 | 250.40 | 206.21 | 121.45 | 84.39 | 161.81 | 87.99 | 173.22 | 190.24 | 45.12 | 3.00 | 3.03 | 1.42 | 30.58 | 8.83 | 54.31 | 94.27 | 72.57 | 295.17 | 183.10 |
| 2014 | 349.58 | 208.42 | 66.14 | 278.62 | 187.70 | 142.09 | 254.56 | 133.80 | 97.85 | 104.23 | 47.05 | 61.59 | 91.61 | 81.47 | 2.52 | 6.10 | 0.00 | 0.00 | 3.44 | 35.67 | 89.03 | 179.20 | 176.80 | 215.21 |
| 2015 | 82.30 | 270.12 | 289.82 | 132.90 | 147.50 | 154.53 | 132.98 | 170.64 | 117.62 | 0.00 | 13.56 | 0.08 | 2.74 | 0.00 | 0.00 | 0.00 | 12.99 | 3.24 | 0.77 | 11.03 | 125.49 | 87.85 | 182.25 | 185.48 |
| 2016 | 81.06 | 265.45 | 302.13 | 131.08 | 206.08 | 176.01 | 124.36 | 111.29 | 90.44 | 146.81 | 75.85 | 80.29 | 44.91 | 90.95 | 10.76 | 90.71 | 65.45 | 193.08 | 155.04 | 178.27 | 159.73 | 126.95 | 199.14 | 78.50 |
| 2017 | 147.06 | 266.62 | 112.90 | 207.50 | 207.73 | 240.12 | 167.33 | 117.95 | 138.03 | 16.79 | 32.50 | 59.63 | 7.50 | 39.30 | 0.40 | 10.13 | 0.01 | 43.10 | 64.30 | 167.83 | 168.07 | 258.04 | 150.07 | 117.49 |
| 2018 | 149.26 | 19.22 | 104.10 | 364.73 | 278.43 | 264.55 | 90.32 | 193.48 | 5.34 | 87.00 | 5.88 | 40.58 | 0.54 | 0.00 | 1.74 | 1.61 | 31.38 | 7.76 | 0.12 | 23.60 | 98.47 | 111.97 | 216.50 | 115.13 |
| 2019 | 240.52 | 144.62 | 313.05 | 138.67 | 167.18 | 131.06 | 233.20 | 143.04 | 130.55 | 2.97 | 6.82 | 0.00 | 0.16 | 0.26 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 1.93 | 47.06 | 65.93 | 146.04 | 225.09 |
| 2020 | 176.42 | 153.22 | 288.07 | 245.27 | 294.08 | 226.77 | 241.70 | 78.00 | 66.19 | 149.37 | 24.28 | 13.89 | 76.38 | 5.04 | 33.58 | 15.95 | 16.28 | 40.32 | 26.23 | 244.68 | 85.04 | 163.31 | 230.13 | 178.19 |
| 2021 | 225.62 | 197.16 | 277.81 | 236.27 | 197.31 | 253.96 | 165.05 | 2.98 | 10.16 | 131.71 | 13.68 | 142.81 | 18.81 | 7.46 | 17.05 | 41.90 | 93.90 | 6.54 | 21.43 | 148.50 | 260.76 | 199.65 | 238.92 | 200.54 |
| 2022 | 208.12 | 134.88 | 162.53 | 114.44 | 278.88 | 123.30 | 135.84 | 270.34 | 139.17 | 86.18 | 93.83 | 55.94 | 129.50 | 26.12 | 51.33 | 12.21 | 83.78 | 39.09 | 145.70 | 153.07 | 161.21 | 171.03 | 94.58 | 240.95 |
| 2023 | 69.86 | 282.22 | 144.08 | 205.76 | 119.58 | 221.93 | 231.66 | 43.13 | 130.39 | 0.92 | 14.26 | 59.25 | 67.79 | 0.25 | 0.02 | 0.94 | 1.98 | 0.00 | 0.00 | 34.41 | 79.89 | 136.58 | 200.94 | 102.16 |
| 2024 | 263.70 | 117.21 | 224.57 | 198.48 | 277.56 | 87.75 | 181.84 | 91.79 | 12.58 | 68.48 | 69.70 | 20.04 | 130.34 | 0.00 | 1.47 | 0.11 | 11.20 | 110.79 | 7.47 | 17.12 | 126.80 | 200.70 | 151.67 | 66.46 |
| 2025 | 227.89 | 355.26 | 94.39 | 239.43 | 182.75 | 103.87 | 155.68 | 265.09 | 113.58 | 121.09 | 38.84 | 68.02 | 65.10 | 1.76 | 85.86 | 82.35 | 55.37 | 54.72 | – | – | – | – | – | – |
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 | 82.05 | 145.82 | 128.76 | 137.51 | 136.81 | 129.51 | 116.13 | 56.55 | 70.75 | 5.32 | 13.66 | 1.74 | 2.57 | 0.63 | 0.00 | 0.78 | 0.23 | 0.50 | 0.51 | 14.82 | 50.28 | 120.96 | 104.60 | 117.40 |
| R80mm/hari | 5.47 | 9.11 | 9.20 | 9.82 | 9.12 | 8.09 | 7.74 | 3.77 | 4.72 | 0.33 | 0.91 | 0.12 | 0.17 | 0.04 | 0.00 | 0.05 | 0.02 | 0.03 | 0.03 | 0.93 | 3.35 | 8.06 | 6.97 | 7.34 |
| Reff Padimm/hari | 3.83 | 6.38 | 6.44 | 6.88 | 6.38 | 5.67 | 5.42 | 2.64 | 3.30 | 0.23 | 0.64 | 0.08 | 0.12 | 0.03 | 0.00 | 0.03 | 0.01 | 0.02 | 0.02 | 0.65 | 2.35 | 5.64 | 4.88 | 5.14 |
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.