HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Jatidowo, Kec. Rejotangan, Tulungagung, Prov. Jawa Timur
GPM01D_E11205_S0815
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.50
mm/hari
Reff Padi Rata-rata
1.75
mm/hari
Reff Padi Maksimum
4.63
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 | 70.90 | 91.02 | 130.39 | 276.54 | 213.82 | 274.11 | 117.50 | 173.65 | 102.97 | 11.39 | 90.27 | 96.67 | 94.65 | 98.56 | 7.95 | 8.64 | 5.83 | 111.06 | 35.81 | 196.32 | 229.29 | 71.60 | 74.47 | 252.26 |
| 1999 | 75.87 | 174.32 | 58.52 | 95.43 | 198.92 | 117.61 | 172.31 | 66.25 | 58.55 | 0.00 | 21.75 | 0.18 | 0.66 | 0.00 | 1.07 | 0.36 | 0.03 | 17.34 | 46.83 | 155.40 | 189.51 | 182.24 | 168.83 | 109.12 |
| 2000 | 159.55 | 149.05 | 62.01 | 119.79 | 220.13 | 108.02 | 178.41 | 153.96 | 24.25 | 65.71 | 28.20 | 16.37 | 0.00 | 6.78 | 5.35 | 9.50 | 10.18 | 20.55 | 110.47 | 159.29 | 157.61 | 205.34 | 87.02 | 42.30 |
| 2001 | 170.81 | 186.81 | 211.73 | 25.65 | 132.73 | 334.61 | 217.55 | 85.33 | 67.85 | 34.70 | 186.60 | 0.81 | 1.36 | 3.03 | 1.65 | 0.19 | 2.31 | 3.94 | 25.11 | 251.49 | 120.80 | 225.27 | 73.29 | 69.35 |
| 2002 | 89.67 | 404.18 | 353.26 | 111.84 | 50.04 | 331.67 | 84.53 | 133.97 | 78.32 | 1.01 | 6.88 | 1.70 | 3.27 | 0.02 | 2.36 | 8.08 | 1.40 | 0.02 | 1.85 | 7.64 | 28.68 | 60.80 | 56.28 | 301.52 |
| 2003 | 75.71 | 223.98 | 140.94 | 219.13 | 259.69 | 61.33 | 26.22 | 37.89 | 127.33 | 1.80 | 0.00 | 13.22 | 0.02 | 0.13 | 0.00 | 0.00 | 3.53 | 1.73 | 13.34 | 60.39 | 21.70 | 329.84 | 245.61 | 85.65 |
| 2004 | 109.72 | 165.06 | 168.81 | 246.99 | 243.15 | 55.21 | 27.21 | 18.23 | 7.23 | 87.45 | 28.08 | 0.85 | 2.79 | 21.49 | 7.61 | 0.00 | 14.26 | 11.08 | 9.14 | 3.88 | 39.29 | 278.79 | 243.21 | 169.87 |
| 2005 | 45.08 | 181.25 | 167.38 | 128.92 | 97.42 | 197.06 | 180.70 | 24.63 | 4.57 | 0.11 | 9.18 | 80.97 | 131.59 | 1.32 | 1.67 | 6.86 | 11.17 | 37.24 | 1.62 | 171.54 | 1.39 | 110.80 | 304.35 | 168.41 |
| 2006 | 160.49 | 198.56 | 63.51 | 207.62 | 95.35 | 181.53 | 105.11 | 74.72 | 80.68 | 127.34 | 3.36 | 1.09 | 0.23 | 0.21 | 0.27 | 0.29 | 0.05 | 0.00 | 0.66 | 2.86 | 26.66 | 10.06 | 39.06 | 219.52 |
| 2007 | 7.91 | 56.92 | 158.63 | 236.29 | 58.02 | 276.09 | 77.51 | 165.09 | 19.30 | 105.06 | 1.75 | 50.12 | 1.84 | 0.37 | 4.95 | 3.29 | 1.02 | 6.28 | 0.59 | 128.13 | 163.63 | 2.12 | 155.04 | 313.67 |
| 2008 | 87.04 | 51.34 | 139.74 | 236.43 | 190.13 | 286.38 | 104.36 | 57.36 | 55.22 | 5.84 | 8.36 | 0.32 | 0.22 | 0.80 | 1.77 | 2.71 | 9.27 | 1.36 | 91.72 | 62.75 | 310.99 | 158.29 | 160.17 | 143.70 |
| 2009 | 123.76 | 241.06 | 154.29 | 216.31 | 132.64 | 114.12 | 68.82 | 26.01 | 110.43 | 83.36 | 39.46 | 0.77 | 4.53 | 46.82 | 0.02 | 9.12 | 32.62 | 0.08 | 12.43 | 48.64 | 13.09 | 211.49 | 38.90 | 96.42 |
| 2010 | 183.39 | 294.98 | 324.94 | 64.67 | 172.87 | 242.11 | 167.82 | 233.21 | 234.73 | 119.27 | 127.80 | 21.32 | 80.42 | 42.25 | 2.75 | 77.61 | 99.58 | 213.05 | 78.46 | 297.90 | 236.29 | 140.71 | 201.59 | 135.42 |
| 2011 | 164.52 | 109.05 | 116.17 | 88.08 | 98.31 | 157.63 | 224.33 | 61.29 | 205.57 | 21.99 | 16.93 | 1.97 | 0.57 | 8.15 | 0.00 | 10.26 | 0.00 | 0.00 | 1.94 | 66.61 | 162.14 | 149.46 | 147.52 | 185.44 |
| 2012 | 132.91 | 129.95 | 103.82 | 123.42 | 211.85 | 60.65 | 95.59 | 30.13 | 103.14 | 12.56 | 12.53 | 3.84 | 1.81 | 8.14 | 0.00 | 1.47 | 0.26 | 4.83 | 8.20 | 29.28 | 14.01 | 168.59 | 242.82 | 173.72 |
| 2013 | 256.49 | 134.79 | 82.70 | 126.03 | 147.91 | 196.94 | 142.66 | 67.48 | 26.89 | 160.41 | 177.32 | 60.82 | 104.39 | 12.57 | 0.17 | 8.33 | 0.93 | 4.95 | 2.95 | 31.07 | 75.44 | 160.58 | 115.49 | 152.10 |
| 2014 | 180.58 | 154.72 | 185.69 | 69.33 | 141.47 | 129.33 | 79.52 | 94.35 | 102.31 | 6.78 | 13.00 | 83.92 | 26.71 | 0.42 | 0.38 | 0.38 | 0.20 | 0.00 | 0.31 | 6.51 | 58.47 | 188.30 | 142.98 | 184.80 |
| 2015 | 52.47 | 236.41 | 170.32 | 102.33 | 251.28 | 96.98 | 123.11 | 152.09 | 112.07 | 2.82 | 6.09 | 6.18 | 1.81 | 0.00 | 0.25 | 0.00 | 0.05 | 7.72 | 0.00 | 0.56 | 50.36 | 81.22 | 169.46 | 85.44 |
| 2016 | 28.36 | 172.08 | 296.45 | 158.16 | 93.44 | 141.96 | 200.90 | 32.63 | 174.58 | 112.92 | 73.53 | 68.78 | 70.24 | 57.66 | 30.54 | 24.32 | 3.28 | 178.56 | 223.86 | 105.35 | 134.56 | 231.24 | 203.54 | 40.30 |
| 2017 | 148.21 | 192.32 | 204.63 | 78.70 | 38.77 | 205.87 | 72.40 | 142.19 | 13.33 | 94.00 | 52.14 | 27.21 | 1.30 | 26.14 | 1.43 | 1.28 | 0.00 | 47.30 | 15.48 | 75.18 | 89.65 | 281.23 | 120.93 | 135.79 |
| 2018 | 147.05 | 186.33 | 220.91 | 128.95 | 128.63 | 85.85 | 62.25 | 41.99 | 2.95 | 4.91 | 1.85 | 37.97 | 0.80 | 0.59 | 2.52 | 0.00 | 0.00 | 18.50 | 0.00 | 0.11 | 125.85 | 151.77 | 173.52 | 82.85 |
| 2019 | 104.32 | 218.05 | 70.74 | 249.30 | 250.30 | 89.11 | 127.33 | 71.31 | 2.73 | 0.34 | 9.78 | 0.00 | 0.00 | 0.53 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 1.39 | 50.24 | 0.01 | 104.18 | 185.40 |
| 2020 | 128.43 | 62.96 | 192.60 | 239.51 | 212.79 | 143.21 | 92.39 | 138.33 | 26.34 | 204.55 | 36.73 | 1.03 | 59.38 | 0.00 | 48.28 | 0.00 | 1.31 | 86.00 | 30.17 | 150.56 | 99.57 | 142.01 | 329.29 | 62.24 |
| 2021 | 186.69 | 145.71 | 284.37 | 195.07 | 198.29 | 138.13 | 159.28 | 3.67 | 14.79 | 17.37 | 33.94 | 146.08 | 14.93 | 1.80 | 10.15 | 5.47 | 100.15 | 9.81 | 4.71 | 136.28 | 163.66 | 198.10 | 144.29 | 217.94 |
| 2022 | 135.59 | 139.52 | 219.52 | 62.66 | 236.64 | 128.66 | 13.26 | 199.03 | 32.79 | 199.12 | 87.36 | 30.27 | 25.77 | 1.38 | 59.66 | 0.05 | 79.46 | 33.26 | 165.93 | 247.09 | 196.66 | 236.13 | 96.02 | 180.94 |
| 2023 | 50.56 | 207.47 | 230.97 | 206.49 | 30.44 | 202.02 | 151.49 | 66.62 | 97.85 | 0.00 | 12.14 | 2.65 | 76.27 | 0.00 | 0.00 | 1.63 | 0.00 | 0.36 | 0.00 | 1.68 | 2.96 | 65.60 | 140.85 | 71.77 |
| 2024 | 131.02 | 93.27 | 127.09 | 221.54 | 249.05 | 7.84 | 149.56 | 204.99 | 5.22 | 0.49 | 13.11 | 0.20 | 17.03 | 0.00 | 0.51 | 0.94 | 0.55 | 29.91 | 0.91 | 59.18 | 87.04 | 214.46 | 193.42 | 211.54 |
| 2025 | 123.14 | 243.76 | 55.15 | 234.95 | 140.30 | 222.48 | 162.93 | 61.46 | 343.62 | 130.36 | 42.83 | 16.98 | 7.36 | 0.64 | 2.30 | 118.68 | 32.47 | 90.20 | – | – | – | – | – | – |
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 | 67.21 | 105.89 | 80.30 | 86.20 | 94.96 | 88.45 | 71.68 | 32.13 | 12.11 | 0.91 | 6.72 | 0.80 | 0.50 | 0.01 | 0.01 | 0.00 | 0.04 | 0.06 | 0.48 | 3.47 | 24.67 | 69.20 | 82.00 | 78.42 |
| R80mm/hari | 4.48 | 6.62 | 5.74 | 6.16 | 6.33 | 5.53 | 4.78 | 2.14 | 0.81 | 0.06 | 0.45 | 0.05 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.22 | 1.64 | 4.61 | 5.47 | 4.90 |
| Reff Padimm/hari | 3.14 | 4.63 | 4.02 | 4.31 | 4.43 | 3.87 | 3.35 | 1.50 | 0.56 | 0.04 | 0.31 | 0.04 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.15 | 1.15 | 3.23 | 3.83 | 3.43 |
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.