HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Pulerejo, Kec. Bakung, Blitar, Prov. Jawa Timur
GPM01D_E11205_S0825
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.54
mm/hari
Reff Padi Rata-rata
1.77
mm/hari
Reff Padi Maksimum
4.52
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 | 33.94 | 104.42 | 113.72 | 286.46 | 255.03 | 241.86 | 71.59 | 228.35 | 99.83 | 15.15 | 93.43 | 103.23 | 101.65 | 93.36 | 32.65 | 11.36 | 11.53 | 110.31 | 60.81 | 178.14 | 244.34 | 54.54 | 77.62 | 243.00 |
| 1999 | 95.16 | 149.72 | 91.57 | 68.34 | 192.59 | 126.81 | 148.82 | 79.63 | 76.91 | 0.00 | 2.48 | 2.75 | 0.41 | 1.72 | 3.24 | 1.00 | 0.56 | 3.61 | 63.05 | 143.71 | 181.08 | 178.99 | 176.20 | 90.02 |
| 2000 | 194.28 | 127.90 | 78.98 | 89.80 | 234.58 | 101.35 | 248.49 | 109.90 | 18.10 | 21.25 | 27.59 | 21.62 | 0.06 | 4.80 | 2.63 | 20.04 | 6.48 | 14.39 | 108.48 | 189.54 | 169.00 | 255.73 | 84.81 | 40.80 |
| 2001 | 149.25 | 198.68 | 218.37 | 16.97 | 110.25 | 361.33 | 211.64 | 75.98 | 28.49 | 29.67 | 163.47 | 10.09 | 0.19 | 5.62 | 1.05 | 3.55 | 2.24 | 6.46 | 10.44 | 301.23 | 111.06 | 242.05 | 83.41 | 53.84 |
| 2002 | 88.09 | 424.61 | 297.10 | 161.08 | 61.01 | 313.57 | 80.86 | 144.57 | 76.71 | 2.31 | 16.07 | 2.71 | 3.59 | 2.70 | 0.02 | 6.59 | 1.72 | 1.56 | 3.23 | 7.76 | 30.74 | 68.85 | 45.34 | 319.34 |
| 2003 | 75.94 | 226.26 | 175.87 | 186.47 | 215.80 | 97.90 | 36.37 | 20.64 | 123.58 | 2.78 | 4.26 | 5.40 | 1.58 | 12.81 | 4.08 | 3.23 | 4.85 | 5.29 | 23.46 | 69.77 | 31.16 | 349.12 | 240.36 | 99.50 |
| 2004 | 119.15 | 103.21 | 139.74 | 277.40 | 254.34 | 49.37 | 16.53 | 40.91 | 19.36 | 123.20 | 30.50 | 1.44 | 7.78 | 25.16 | 16.84 | 0.43 | 15.07 | 3.10 | 12.38 | 20.38 | 85.96 | 257.66 | 254.18 | 178.74 |
| 2005 | 35.52 | 196.92 | 167.31 | 124.79 | 73.81 | 231.07 | 179.73 | 33.32 | 9.18 | 12.16 | 25.71 | 113.96 | 140.25 | 8.70 | 7.78 | 5.64 | 12.28 | 50.60 | 6.79 | 121.18 | 1.16 | 167.22 | 262.88 | 200.27 |
| 2006 | 122.09 | 232.50 | 42.51 | 217.52 | 128.73 | 166.07 | 122.99 | 72.44 | 98.76 | 105.24 | 10.05 | 4.45 | 0.92 | 0.77 | 0.47 | 2.62 | 2.07 | 1.49 | 3.81 | 4.42 | 28.12 | 15.36 | 21.90 | 247.55 |
| 2007 | 6.86 | 64.51 | 187.11 | 211.05 | 56.94 | 281.16 | 118.01 | 114.66 | 40.33 | 79.53 | 4.13 | 61.01 | 4.39 | 2.39 | 7.54 | 8.24 | 2.07 | 5.80 | 2.66 | 109.06 | 160.50 | 1.26 | 106.79 | 367.56 |
| 2008 | 119.00 | 57.16 | 163.26 | 230.98 | 174.03 | 297.56 | 122.94 | 47.78 | 98.49 | 7.92 | 24.07 | 1.46 | 0.89 | 1.90 | 7.92 | 3.08 | 17.27 | 7.22 | 119.81 | 62.03 | 344.66 | 142.05 | 202.51 | 92.69 |
| 2009 | 121.82 | 261.06 | 206.69 | 160.29 | 142.43 | 64.01 | 58.57 | 29.69 | 121.83 | 88.24 | 44.20 | 3.59 | 3.30 | 43.40 | 0.02 | 15.27 | 46.41 | 4.86 | 24.42 | 48.64 | 22.33 | 171.07 | 36.22 | 103.50 |
| 2010 | 182.85 | 234.55 | 325.74 | 62.50 | 180.98 | 234.29 | 216.30 | 209.25 | 241.38 | 136.41 | 132.63 | 25.32 | 106.50 | 46.52 | 11.22 | 55.10 | 167.83 | 166.96 | 54.60 | 339.13 | 226.63 | 185.88 | 156.79 | 194.92 |
| 2011 | 187.63 | 98.03 | 112.71 | 101.02 | 90.96 | 155.90 | 245.94 | 44.84 | 194.01 | 38.28 | 17.74 | 0.69 | 6.40 | 14.38 | 0.19 | 11.09 | 1.32 | 1.39 | 2.59 | 13.36 | 176.77 | 142.99 | 134.73 | 193.87 |
| 2012 | 129.31 | 140.31 | 93.04 | 135.63 | 208.02 | 70.46 | 96.17 | 15.46 | 121.77 | 9.03 | 13.33 | 4.42 | 1.59 | 12.28 | 2.55 | 1.00 | 4.19 | 3.20 | 5.94 | 27.75 | 19.56 | 160.73 | 227.82 | 196.76 |
| 2013 | 327.26 | 123.17 | 67.89 | 137.16 | 148.12 | 210.78 | 158.34 | 47.35 | 12.98 | 207.67 | 179.97 | 79.23 | 122.16 | 5.63 | 0.94 | 6.46 | 3.28 | 10.41 | 4.61 | 32.65 | 89.06 | 166.10 | 102.21 | 185.02 |
| 2014 | 209.12 | 130.03 | 157.10 | 88.37 | 96.03 | 103.39 | 72.34 | 87.16 | 102.07 | 6.30 | 4.51 | 15.06 | 3.29 | 1.31 | 2.15 | 0.00 | 0.00 | 0.93 | 1.00 | 1.91 | 59.85 | 226.77 | 181.81 | 183.39 |
| 2015 | 71.27 | 224.87 | 161.09 | 106.56 | 259.37 | 104.87 | 113.99 | 185.84 | 105.14 | 2.44 | 9.89 | 7.60 | 0.35 | 1.06 | 0.24 | 1.19 | 0.59 | 5.90 | 0.00 | 1.66 | 30.77 | 125.13 | 170.90 | 90.78 |
| 2016 | 26.92 | 165.91 | 309.62 | 145.74 | 76.80 | 152.58 | 209.45 | 22.97 | 189.36 | 94.18 | 82.21 | 69.75 | 89.46 | 77.26 | 37.52 | 0.69 | 38.99 | 192.73 | 235.14 | 112.45 | 192.69 | 228.86 | 223.08 | 32.47 |
| 2017 | 140.87 | 191.62 | 238.18 | 52.83 | 52.82 | 194.37 | 91.54 | 154.00 | 16.41 | 98.49 | 53.00 | 27.13 | 1.88 | 19.67 | 1.89 | 4.75 | 0.05 | 42.55 | 49.91 | 130.34 | 101.06 | 308.68 | 145.40 | 137.35 |
| 2018 | 155.82 | 207.05 | 223.39 | 135.22 | 121.44 | 92.95 | 50.74 | 29.90 | 10.60 | 11.25 | 0.21 | 42.97 | 11.43 | 1.70 | 0.01 | 2.93 | 0.19 | 9.17 | 0.01 | 0.84 | 110.72 | 183.86 | 213.79 | 88.96 |
| 2019 | 85.70 | 240.18 | 85.47 | 202.09 | 258.79 | 105.30 | 148.69 | 60.06 | 0.31 | 0.40 | 12.38 | 0.00 | 0.00 | 0.46 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 33.45 | 1.81 | 107.96 | 197.25 |
| 2020 | 134.03 | 64.97 | 226.48 | 203.71 | 231.38 | 133.12 | 72.23 | 130.88 | 8.96 | 242.22 | 36.54 | 5.33 | 52.12 | 0.00 | 18.37 | 0.92 | 1.37 | 86.73 | 49.54 | 145.51 | 102.39 | 163.23 | 353.34 | 50.69 |
| 2021 | 196.49 | 152.12 | 314.84 | 174.36 | 187.35 | 117.04 | 168.28 | 1.56 | 4.14 | 27.77 | 22.54 | 165.71 | 5.76 | 1.13 | 32.49 | 3.57 | 100.22 | 14.42 | 4.46 | 154.50 | 187.47 | 210.04 | 182.82 | 217.15 |
| 2022 | 138.01 | 121.82 | 235.72 | 59.43 | 278.83 | 135.62 | 24.72 | 198.75 | 61.02 | 169.50 | 67.46 | 59.24 | 16.07 | 3.73 | 24.88 | 0.48 | 103.97 | 16.30 | 172.75 | 271.47 | 193.80 | 299.94 | 61.38 | 232.75 |
| 2023 | 35.80 | 197.49 | 237.54 | 199.03 | 33.37 | 171.92 | 178.20 | 61.36 | 115.25 | 0.00 | 22.17 | 0.28 | 93.37 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.68 | 10.69 | 82.08 | 120.36 | 77.91 |
| 2024 | 116.49 | 87.83 | 118.20 | 216.22 | 270.46 | 8.72 | 187.82 | 164.89 | 7.59 | 3.16 | 14.95 | 0.00 | 31.38 | 0.00 | 4.80 | 1.37 | 1.60 | 28.81 | 7.58 | 63.49 | 81.42 | 228.59 | 191.96 | 222.66 |
| 2025 | 160.71 | 203.57 | 85.92 | 214.31 | 177.12 | 225.15 | 125.84 | 77.08 | 326.44 | 150.18 | 38.73 | 16.70 | 6.83 | 0.80 | 4.90 | 106.77 | 50.55 | 93.12 | – | – | – | – | – | – |
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 | 64.18 | 102.17 | 90.44 | 84.36 | 76.20 | 96.91 | 68.99 | 29.85 | 10.31 | 2.71 | 8.81 | 1.46 | 0.79 | 0.79 | 0.15 | 0.64 | 0.58 | 1.54 | 1.95 | 3.41 | 29.69 | 76.78 | 81.09 | 84.54 |
| R80mm/hari | 4.28 | 6.39 | 6.46 | 6.03 | 5.08 | 6.06 | 4.60 | 1.99 | 0.69 | 0.17 | 0.59 | 0.10 | 0.05 | 0.05 | 0.01 | 0.04 | 0.04 | 0.10 | 0.13 | 0.21 | 1.98 | 5.12 | 5.41 | 5.28 |
| Reff Padimm/hari | 2.99 | 4.47 | 4.52 | 4.22 | 3.56 | 4.24 | 3.22 | 1.39 | 0.48 | 0.12 | 0.41 | 0.07 | 0.04 | 0.03 | 0.01 | 0.03 | 0.03 | 0.07 | 0.09 | 0.15 | 1.39 | 3.58 | 3.78 | 3.70 |
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.