HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Ngindeng, Kec. Sawoo, Ponorogo, Prov. Jawa Timur
GPM01D_E11155_S0795
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.83
mm/hari
Reff Padi Rata-rata
1.98
mm/hari
Reff Padi Maksimum
5.29
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 | 34.48 | 133.20 | 145.84 | 240.04 | 219.70 | 202.46 | 161.70 | 189.80 | 47.23 | 7.16 | 93.45 | 111.27 | 86.56 | 112.73 | 4.70 | 23.36 | 3.07 | 111.74 | 30.00 | 203.73 | 203.02 | 91.65 | 63.15 | 283.49 |
| 1999 | 71.46 | 177.90 | 39.24 | 91.35 | 177.67 | 93.38 | 168.49 | 26.60 | 59.11 | 1.09 | 10.52 | 0.10 | 22.98 | 0.55 | 0.02 | 0.00 | 0.00 | 15.19 | 84.69 | 128.17 | 140.92 | 219.69 | 178.19 | 94.12 |
| 2000 | 108.20 | 200.24 | 86.57 | 62.16 | 120.40 | 163.26 | 168.10 | 166.59 | 74.58 | 35.57 | 30.68 | 2.33 | 0.38 | 10.37 | 2.35 | 14.66 | 1.78 | 8.77 | 77.18 | 222.50 | 204.04 | 133.04 | 88.52 | 32.11 |
| 2001 | 126.83 | 242.13 | 219.19 | 25.15 | 173.96 | 351.81 | 276.17 | 111.04 | 25.95 | 51.69 | 178.88 | 0.74 | 0.03 | 15.16 | 0.00 | 1.73 | 0.00 | 12.67 | 97.47 | 157.09 | 154.15 | 220.50 | 80.21 | 89.30 |
| 2002 | 104.55 | 392.16 | 348.91 | 169.24 | 133.65 | 232.68 | 138.06 | 101.55 | 86.73 | 0.19 | 5.68 | 6.36 | 1.78 | 0.01 | 0.00 | 0.00 | 0.06 | 21.46 | 0.00 | 32.05 | 11.76 | 77.14 | 152.55 | 187.34 |
| 2003 | 45.82 | 166.06 | 170.15 | 280.44 | 227.32 | 113.10 | 35.02 | 5.81 | 118.14 | 0.37 | 0.80 | 9.24 | 0.08 | 0.16 | 0.00 | 0.14 | 6.34 | 6.78 | 8.29 | 62.53 | 46.91 | 188.02 | 240.82 | 66.02 |
| 2004 | 121.02 | 216.61 | 236.95 | 166.70 | 165.56 | 65.20 | 20.28 | 14.10 | 9.11 | 105.62 | 44.20 | 0.08 | 10.48 | 7.00 | 4.02 | 0.07 | 0.00 | 10.66 | 0.01 | 4.29 | 32.73 | 284.87 | 130.64 | 201.60 |
| 2005 | 61.02 | 125.92 | 137.22 | 119.82 | 147.97 | 151.90 | 178.83 | 39.37 | 13.49 | 4.81 | 20.69 | 144.23 | 110.49 | 0.00 | 0.00 | 15.30 | 19.43 | 16.44 | 0.40 | 73.52 | 10.80 | 99.55 | 224.17 | 185.42 |
| 2006 | 173.91 | 184.44 | 94.28 | 146.54 | 47.43 | 177.68 | 94.12 | 73.23 | 81.70 | 122.72 | 4.06 | 0.20 | 0.16 | 0.04 | 3.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.67 | 18.27 | 40.15 | 192.82 |
| 2007 | 5.17 | 34.39 | 192.20 | 203.39 | 101.38 | 285.85 | 111.59 | 132.14 | 24.67 | 68.48 | 2.73 | 50.04 | 0.32 | 0.75 | 0.82 | 0.35 | 0.00 | 1.02 | 0.12 | 99.64 | 119.16 | 3.63 | 218.45 | 257.50 |
| 2008 | 81.49 | 73.60 | 181.26 | 214.52 | 141.76 | 404.88 | 140.37 | 40.45 | 75.91 | 3.19 | 3.09 | 0.12 | 0.18 | 0.05 | 2.69 | 2.37 | 5.11 | 0.35 | 135.14 | 51.50 | 193.72 | 289.12 | 191.36 | 89.60 |
| 2009 | 132.13 | 275.88 | 152.66 | 201.13 | 108.85 | 114.71 | 33.03 | 38.96 | 83.01 | 101.46 | 30.18 | 0.17 | 0.87 | 4.41 | 0.00 | 7.13 | 20.06 | 0.18 | 5.75 | 29.55 | 25.65 | 179.14 | 15.67 | 104.34 |
| 2010 | 291.86 | 264.90 | 232.55 | 169.52 | 181.12 | 288.37 | 162.10 | 198.62 | 302.78 | 78.74 | 130.54 | 25.83 | 99.28 | 63.01 | 8.68 | 66.33 | 109.42 | 183.51 | 70.15 | 225.53 | 194.45 | 129.74 | 305.65 | 135.83 |
| 2011 | 142.36 | 181.55 | 119.68 | 86.34 | 108.94 | 161.76 | 171.57 | 86.57 | 218.98 | 4.85 | 22.69 | 0.49 | 0.00 | 0.59 | 0.00 | 0.24 | 0.01 | 0.02 | 1.18 | 37.78 | 147.72 | 169.52 | 116.85 | 234.22 |
| 2012 | 175.64 | 75.34 | 59.35 | 97.25 | 197.49 | 52.03 | 119.93 | 51.69 | 51.37 | 50.57 | 30.27 | 2.01 | 0.64 | 1.31 | 0.14 | 1.45 | 0.04 | 2.25 | 16.17 | 16.33 | 23.25 | 183.13 | 251.24 | 176.44 |
| 2013 | 257.64 | 133.16 | 116.82 | 133.74 | 167.35 | 165.50 | 192.36 | 68.78 | 35.95 | 148.09 | 150.54 | 62.15 | 88.16 | 21.00 | 0.21 | 0.00 | 0.37 | 1.18 | 0.00 | 15.28 | 95.54 | 96.13 | 114.27 | 130.15 |
| 2014 | 254.79 | 141.86 | 122.02 | 120.33 | 116.58 | 178.74 | 75.97 | 115.78 | 112.20 | 1.26 | 2.34 | 95.51 | 34.78 | 0.00 | 0.25 | 0.00 | 1.12 | 4.19 | 0.00 | 0.15 | 53.27 | 171.31 | 156.78 | 160.42 |
| 2015 | 59.50 | 266.24 | 220.07 | 69.47 | 193.16 | 195.29 | 117.94 | 163.51 | 166.43 | 0.00 | 20.76 | 0.64 | 0.00 | 0.00 | 0.07 | 0.00 | 0.05 | 1.53 | 0.00 | 1.17 | 60.53 | 166.04 | 158.27 | 61.80 |
| 2016 | 43.25 | 172.99 | 246.86 | 136.14 | 136.52 | 128.11 | 215.14 | 51.06 | 149.21 | 92.78 | 62.51 | 62.21 | 47.88 | 30.82 | 85.93 | 43.71 | 6.88 | 262.86 | 200.09 | 80.37 | 101.70 | 220.40 | 162.15 | 46.67 |
| 2017 | 130.26 | 178.78 | 161.74 | 136.72 | 96.98 | 173.40 | 87.98 | 164.64 | 76.21 | 39.73 | 31.88 | 9.92 | 1.83 | 36.70 | 0.89 | 0.09 | 0.00 | 68.82 | 75.41 | 27.84 | 48.96 | 316.73 | 110.97 | 134.35 |
| 2018 | 144.06 | 142.81 | 151.42 | 251.61 | 176.44 | 98.12 | 106.47 | 27.82 | 2.43 | 0.93 | 1.80 | 22.96 | 0.25 | 0.00 | 3.32 | 0.00 | 0.00 | 20.95 | 0.45 | 2.90 | 143.76 | 120.78 | 119.63 | 118.84 |
| 2019 | 128.02 | 169.07 | 94.54 | 220.00 | 267.91 | 88.85 | 102.89 | 128.08 | 7.74 | 0.00 | 9.94 | 0.00 | 0.00 | 2.34 | 0.00 | 0.30 | 0.37 | 1.04 | 0.00 | 9.40 | 72.81 | 0.67 | 130.21 | 161.85 |
| 2020 | 157.80 | 49.13 | 190.58 | 257.54 | 170.28 | 208.08 | 114.27 | 101.92 | 62.61 | 147.80 | 22.31 | 3.36 | 54.89 | 0.00 | 15.35 | 0.00 | 7.79 | 17.51 | 41.32 | 106.72 | 101.64 | 93.77 | 285.43 | 114.14 |
| 2021 | 157.15 | 152.92 | 304.39 | 195.54 | 254.94 | 103.38 | 166.18 | 18.47 | 41.94 | 14.29 | 9.42 | 129.25 | 1.03 | 1.84 | 0.24 | 1.12 | 102.99 | 6.29 | 0.45 | 133.09 | 156.64 | 183.61 | 117.15 | 229.64 |
| 2022 | 173.22 | 141.55 | 193.13 | 53.40 | 154.68 | 161.07 | 19.84 | 210.20 | 48.64 | 214.34 | 102.79 | 39.57 | 4.96 | 0.37 | 47.22 | 4.56 | 73.59 | 27.09 | 108.67 | 228.81 | 167.26 | 184.56 | 118.50 | 151.01 |
| 2023 | 27.38 | 190.38 | 201.52 | 221.90 | 21.33 | 209.59 | 119.64 | 76.69 | 105.60 | 0.00 | 1.89 | 0.22 | 39.72 | 0.00 | 1.91 | 0.00 | 0.00 | 0.00 | 0.00 | 9.63 | 21.91 | 112.27 | 109.92 | 66.12 |
| 2024 | 117.65 | 100.88 | 150.68 | 174.11 | 270.39 | 41.22 | 144.82 | 182.03 | 6.26 | 8.58 | 3.88 | 0.75 | 22.34 | 0.00 | 2.50 | 0.65 | 0.03 | 27.46 | 0.92 | 94.03 | 127.64 | 235.92 | 190.87 | 159.74 |
| 2025 | 126.24 | 228.66 | 64.71 | 227.35 | 184.25 | 180.83 | 159.54 | 46.94 | 224.04 | 142.44 | 67.83 | 5.20 | 7.56 | 0.00 | 6.42 | 120.60 | 12.71 | 122.63 | – | – | – | – | – | – |
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 | 56.76 | 120.91 | 94.49 | 90.34 | 108.92 | 97.17 | 85.58 | 36.73 | 22.43 | 0.81 | 3.02 | 0.19 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.88 | 0.00 | 7.35 | 24.69 | 92.92 | 101.36 | 80.03 |
| R80mm/hari | 3.78 | 7.56 | 6.75 | 6.45 | 7.26 | 6.07 | 5.71 | 2.45 | 1.50 | 0.05 | 0.20 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.46 | 1.65 | 6.19 | 6.76 | 5.00 |
| Reff Padimm/hari | 2.65 | 5.29 | 4.72 | 4.52 | 5.08 | 4.25 | 3.99 | 1.71 | 1.05 | 0.04 | 0.14 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.32 | 1.15 | 4.34 | 4.73 | 3.50 |
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.