HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Sumberboto, Kec. Wonotirto, Blitar, Prov. Jawa Timur
GPM01D_E11215_S0825
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.54
mm/hari
Reff Padi Rata-rata
1.78
mm/hari
Reff Padi Maksimum
4.50
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 | 17.26 | 119.07 | 93.93 | 315.42 | 303.76 | 189.51 | 86.98 | 198.80 | 92.15 | 29.10 | 79.92 | 110.27 | 118.32 | 72.51 | 33.20 | 16.32 | 15.29 | 103.11 | 88.45 | 156.69 | 239.57 | 74.36 | 70.25 | 261.70 |
| 1999 | 101.53 | 146.18 | 78.98 | 75.85 | 188.35 | 120.12 | 148.64 | 87.77 | 82.22 | 0.04 | 8.16 | 0.97 | 0.65 | 0.00 | 6.30 | 0.19 | 0.45 | 3.05 | 77.06 | 123.26 | 189.69 | 170.49 | 176.46 | 97.64 |
| 2000 | 164.60 | 143.78 | 81.00 | 90.97 | 218.69 | 127.32 | 240.08 | 114.46 | 26.57 | 30.39 | 24.64 | 27.41 | 0.27 | 13.27 | 2.74 | 20.16 | 4.94 | 19.76 | 130.87 | 165.30 | 203.15 | 219.20 | 92.18 | 39.96 |
| 2001 | 145.26 | 209.40 | 216.78 | 18.75 | 91.00 | 357.16 | 199.50 | 78.20 | 36.23 | 32.47 | 169.91 | 1.85 | 1.02 | 11.02 | 0.85 | 6.97 | 0.89 | 13.79 | 12.96 | 287.75 | 109.81 | 228.51 | 85.51 | 82.21 |
| 2002 | 106.84 | 385.41 | 265.81 | 182.61 | 60.02 | 318.72 | 115.12 | 98.90 | 82.59 | 0.64 | 10.11 | 3.24 | 3.63 | 4.03 | 2.88 | 2.26 | 1.94 | 4.60 | 4.19 | 12.12 | 23.96 | 78.02 | 47.13 | 312.29 |
| 2003 | 97.72 | 214.36 | 146.16 | 203.59 | 214.08 | 102.65 | 39.00 | 25.40 | 117.60 | 5.08 | 3.99 | 8.62 | 0.64 | 9.33 | 2.09 | 0.27 | 5.62 | 2.54 | 8.89 | 52.63 | 40.24 | 350.18 | 234.94 | 103.41 |
| 2004 | 106.56 | 223.40 | 140.39 | 272.05 | 254.32 | 66.49 | 16.25 | 48.12 | 13.73 | 104.35 | 28.06 | 1.61 | 9.52 | 26.36 | 19.90 | 0.10 | 23.01 | 3.80 | 12.16 | 19.55 | 80.77 | 283.04 | 295.98 | 150.25 |
| 2005 | 52.68 | 187.16 | 182.52 | 113.39 | 80.11 | 213.05 | 173.49 | 34.02 | 12.87 | 7.93 | 13.65 | 98.14 | 155.48 | 4.59 | 5.57 | 6.52 | 10.88 | 57.13 | 8.46 | 147.29 | 2.99 | 174.04 | 262.01 | 193.31 |
| 2006 | 122.61 | 229.94 | 33.83 | 240.50 | 183.91 | 151.29 | 126.90 | 66.33 | 90.82 | 111.20 | 10.68 | 5.95 | 0.38 | 1.45 | 0.32 | 1.66 | 0.80 | 0.20 | 6.64 | 2.36 | 37.06 | 34.33 | 15.62 | 262.13 |
| 2007 | 7.04 | 65.81 | 180.72 | 206.92 | 48.59 | 288.07 | 98.76 | 145.17 | 32.31 | 90.79 | 2.78 | 64.40 | 8.68 | 1.89 | 1.64 | 6.64 | 0.38 | 8.08 | 6.88 | 78.37 | 179.09 | 1.31 | 114.73 | 355.33 |
| 2008 | 104.93 | 77.58 | 148.10 | 227.22 | 142.42 | 324.07 | 133.93 | 44.09 | 89.02 | 17.24 | 23.57 | 0.92 | 0.97 | 1.41 | 7.11 | 7.30 | 10.03 | 6.40 | 115.12 | 55.41 | 325.45 | 136.27 | 260.75 | 89.79 |
| 2009 | 139.74 | 252.65 | 208.17 | 161.04 | 156.22 | 66.22 | 72.39 | 26.59 | 103.40 | 94.68 | 19.97 | 2.94 | 0.94 | 43.89 | 0.52 | 13.34 | 50.00 | 1.97 | 35.89 | 40.18 | 20.48 | 174.46 | 43.17 | 91.57 |
| 2010 | 214.08 | 223.62 | 291.34 | 86.52 | 197.07 | 196.97 | 236.59 | 192.91 | 263.63 | 111.33 | 128.27 | 31.57 | 106.93 | 41.47 | 9.23 | 57.74 | 131.75 | 194.34 | 62.44 | 333.11 | 263.35 | 151.96 | 154.39 | 163.93 |
| 2011 | 189.26 | 81.37 | 102.66 | 117.87 | 115.89 | 128.31 | 262.18 | 36.53 | 200.34 | 25.07 | 24.69 | 0.91 | 4.04 | 6.89 | 0.19 | 12.55 | 2.80 | 0.73 | 3.92 | 15.00 | 183.32 | 142.75 | 150.10 | 175.82 |
| 2012 | 136.07 | 145.20 | 87.89 | 151.28 | 220.01 | 66.83 | 87.90 | 27.32 | 94.33 | 16.04 | 14.96 | 4.62 | 1.44 | 11.58 | 1.49 | 0.20 | 5.61 | 3.71 | 13.45 | 23.94 | 24.25 | 154.08 | 223.55 | 243.03 |
| 2013 | 291.81 | 141.25 | 58.14 | 138.82 | 142.66 | 219.27 | 157.67 | 50.63 | 13.29 | 179.92 | 217.74 | 66.26 | 123.62 | 6.77 | 0.75 | 7.33 | 2.50 | 5.96 | 0.03 | 18.51 | 95.54 | 141.01 | 105.63 | 177.60 |
| 2014 | 241.86 | 107.05 | 128.21 | 121.70 | 97.82 | 87.33 | 86.65 | 96.23 | 97.29 | 2.30 | 14.36 | 18.86 | 1.39 | 1.20 | 0.17 | 0.00 | 0.00 | 0.00 | 3.95 | 2.73 | 44.15 | 245.56 | 189.38 | 200.70 |
| 2015 | 57.15 | 289.41 | 168.26 | 103.07 | 264.87 | 90.13 | 109.75 | 185.79 | 144.71 | 1.52 | 6.47 | 8.21 | 0.46 | 0.00 | 0.41 | 0.00 | 0.15 | 4.11 | 0.00 | 1.02 | 28.25 | 127.63 | 168.83 | 85.17 |
| 2016 | 23.67 | 159.75 | 313.62 | 127.74 | 71.27 | 143.29 | 186.10 | 38.53 | 181.44 | 112.80 | 63.53 | 75.01 | 92.25 | 87.48 | 28.74 | 0.05 | 23.98 | 197.81 | 230.14 | 126.02 | 177.59 | 219.82 | 222.13 | 33.39 |
| 2017 | 114.63 | 204.26 | 245.35 | 32.34 | 57.05 | 181.57 | 91.79 | 133.70 | 15.02 | 91.83 | 48.76 | 34.11 | 2.15 | 21.96 | 0.99 | 3.32 | 0.00 | 28.18 | 30.76 | 156.79 | 97.67 | 323.22 | 153.11 | 127.89 |
| 2018 | 159.70 | 200.73 | 227.25 | 115.40 | 124.03 | 104.37 | 85.88 | 18.56 | 12.66 | 9.92 | 0.10 | 44.73 | 9.19 | 2.47 | 0.00 | 0.58 | 0.19 | 6.07 | 0.25 | 0.84 | 125.49 | 146.44 | 200.86 | 96.71 |
| 2019 | 90.34 | 238.92 | 62.14 | 199.38 | 241.11 | 120.13 | 106.91 | 49.76 | 0.91 | 0.23 | 13.93 | 0.00 | 0.00 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 32.28 | 8.08 | 98.34 | 198.32 |
| 2020 | 117.02 | 73.30 | 199.34 | 213.53 | 243.73 | 133.84 | 72.00 | 132.30 | 4.46 | 230.56 | 36.81 | 4.85 | 52.30 | 0.00 | 23.27 | 0.77 | 4.95 | 86.27 | 49.62 | 147.31 | 84.19 | 175.19 | 343.64 | 69.29 |
| 2021 | 203.27 | 145.97 | 300.57 | 178.09 | 210.17 | 103.74 | 161.03 | 1.30 | 4.87 | 24.77 | 19.36 | 173.30 | 13.06 | 0.62 | 16.24 | 0.91 | 99.73 | 5.00 | 1.69 | 141.41 | 190.60 | 230.77 | 199.68 | 228.56 |
| 2022 | 123.47 | 125.59 | 229.93 | 54.92 | 248.48 | 136.05 | 34.95 | 200.59 | 34.63 | 187.47 | 62.90 | 61.61 | 13.72 | 2.39 | 24.01 | 0.65 | 119.91 | 13.78 | 169.38 | 271.07 | 183.96 | 285.36 | 60.20 | 224.86 |
| 2023 | 45.13 | 185.86 | 234.27 | 198.16 | 28.29 | 179.67 | 192.75 | 65.04 | 113.40 | 0.00 | 15.35 | 0.02 | 96.92 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.13 | 7.88 | 56.83 | 115.24 | 88.13 |
| 2024 | 136.94 | 69.24 | 109.27 | 239.03 | 262.91 | 11.51 | 142.39 | 200.09 | 4.22 | 0.63 | 16.74 | 0.00 | 22.10 | 0.00 | 2.95 | 1.22 | 4.41 | 17.63 | 5.69 | 57.22 | 74.52 | 232.52 | 184.18 | 235.44 |
| 2025 | 159.28 | 202.30 | 86.83 | 218.26 | 168.39 | 230.33 | 141.13 | 63.93 | 317.01 | 154.59 | 36.19 | 16.80 | 5.10 | 0.19 | 4.61 | 91.55 | 44.83 | 88.21 | – | – | – | – | – | – |
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 | 56.26 | 101.91 | 85.66 | 90.08 | 78.34 | 89.57 | 83.18 | 32.68 | 12.83 | 1.34 | 9.72 | 0.96 | 0.64 | 0.14 | 0.29 | 0.09 | 0.18 | 1.72 | 1.11 | 2.58 | 26.65 | 76.55 | 79.40 | 86.94 |
| R80mm/hari | 3.75 | 6.37 | 6.12 | 6.43 | 5.22 | 5.60 | 5.55 | 2.18 | 0.86 | 0.08 | 0.65 | 0.06 | 0.04 | 0.01 | 0.02 | 0.01 | 0.01 | 0.11 | 0.07 | 0.16 | 1.78 | 5.10 | 5.29 | 5.43 |
| Reff Padimm/hari | 2.63 | 4.46 | 4.28 | 4.50 | 3.66 | 3.92 | 3.88 | 1.53 | 0.60 | 0.06 | 0.45 | 0.04 | 0.03 | 0.01 | 0.01 | 0.00 | 0.01 | 0.08 | 0.05 | 0.11 | 1.24 | 3.57 | 3.71 | 3.80 |
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.