HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Majasem, Kec. Kendal, Ngawi, Prov. Jawa Timur
GPM01D_E11135_S0755
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.22
mm/hari
Reff Padi Rata-rata
2.26
mm/hari
Reff Padi Maksimum
6.13
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 | 63.35 | 122.83 | 143.59 | 292.93 | 263.25 | 146.73 | 170.67 | 178.91 | 31.60 | 6.71 | 124.45 | 72.17 | 91.77 | 91.63 | 15.61 | 9.78 | 0.17 | 78.41 | 53.18 | 166.28 | 196.64 | 82.57 | 41.85 | 274.93 |
| 1999 | 94.39 | 145.16 | 35.53 | 143.32 | 193.26 | 92.37 | 132.94 | 39.14 | 45.06 | 1.57 | 6.16 | 0.86 | 24.20 | 7.71 | 10.74 | 9.16 | 0.15 | 0.76 | 81.09 | 139.51 | 227.47 | 146.71 | 191.16 | 99.89 |
| 2000 | 112.84 | 244.23 | 109.78 | 51.15 | 118.07 | 181.41 | 213.13 | 121.36 | 64.76 | 113.45 | 22.18 | 7.37 | 1.10 | 10.09 | 6.57 | 13.27 | 13.08 | 13.73 | 75.17 | 198.95 | 343.65 | 156.37 | 92.57 | 62.74 |
| 2001 | 87.93 | 273.82 | 193.55 | 74.93 | 163.00 | 372.96 | 293.26 | 169.79 | 57.81 | 34.31 | 225.39 | 3.08 | 10.16 | 18.42 | 1.98 | 2.66 | 38.64 | 9.01 | 57.47 | 190.89 | 51.63 | 406.44 | 53.06 | 115.98 |
| 2002 | 69.92 | 363.43 | 196.93 | 229.26 | 204.05 | 193.49 | 117.63 | 115.34 | 49.95 | 0.00 | 5.39 | 0.94 | 0.34 | 0.40 | 3.45 | 0.00 | 1.27 | 4.19 | 0.37 | 53.29 | 41.82 | 127.46 | 121.27 | 238.56 |
| 2003 | 44.36 | 170.72 | 191.90 | 289.74 | 255.76 | 57.63 | 46.96 | 23.78 | 101.83 | 10.19 | 0.75 | 8.38 | 1.93 | 0.35 | 0.60 | 0.03 | 14.56 | 2.52 | 35.01 | 70.46 | 37.92 | 228.85 | 235.01 | 71.60 |
| 2004 | 67.97 | 302.44 | 129.50 | 293.60 | 187.90 | 90.09 | 46.23 | 48.91 | 12.64 | 107.45 | 39.55 | 1.33 | 64.06 | 9.80 | 4.35 | 3.50 | 0.24 | 11.94 | 0.00 | 24.48 | 73.12 | 282.39 | 163.90 | 177.43 |
| 2005 | 48.61 | 126.32 | 126.41 | 171.99 | 135.42 | 173.85 | 211.72 | 19.84 | 26.72 | 6.90 | 70.12 | 151.47 | 65.52 | 5.66 | 5.03 | 17.61 | 11.77 | 22.95 | 62.30 | 119.73 | 7.37 | 163.21 | 161.06 | 193.58 |
| 2006 | 187.92 | 224.16 | 84.23 | 208.09 | 70.05 | 182.13 | 125.36 | 43.70 | 91.31 | 107.65 | 3.74 | 0.04 | 0.19 | 0.13 | 0.00 | 0.00 | 2.29 | 6.27 | 1.67 | 3.34 | 29.08 | 40.55 | 54.63 | 195.39 |
| 2007 | 4.41 | 46.01 | 140.58 | 254.34 | 121.85 | 346.81 | 142.16 | 138.23 | 12.59 | 78.82 | 8.81 | 14.83 | 3.21 | 3.70 | 2.33 | 2.13 | 7.50 | 0.39 | 2.33 | 80.98 | 150.04 | 23.32 | 167.47 | 331.08 |
| 2008 | 94.19 | 118.24 | 230.69 | 311.19 | 245.68 | 297.60 | 136.22 | 53.52 | 65.24 | 2.57 | 8.09 | 2.10 | 8.81 | 2.43 | 11.27 | 7.25 | 10.27 | 1.84 | 116.81 | 70.38 | 439.63 | 149.94 | 148.45 | 171.48 |
| 2009 | 71.30 | 339.27 | 116.51 | 265.37 | 133.76 | 104.37 | 48.28 | 71.71 | 78.70 | 150.22 | 33.06 | 4.60 | 2.10 | 9.54 | 0.00 | 9.02 | 1.24 | 6.50 | 19.40 | 27.77 | 64.29 | 154.09 | 66.67 | 114.46 |
| 2010 | 231.33 | 323.90 | 206.74 | 225.42 | 230.21 | 265.62 | 199.67 | 151.18 | 226.50 | 101.88 | 95.52 | 54.58 | 68.31 | 101.32 | 21.85 | 100.32 | 125.35 | 147.61 | 106.33 | 182.09 | 147.20 | 123.73 | 295.24 | 129.37 |
| 2011 | 114.20 | 195.35 | 109.39 | 106.19 | 93.25 | 189.69 | 155.42 | 141.78 | 207.28 | 3.33 | 3.72 | 9.64 | 2.19 | 39.46 | 1.08 | 0.11 | 5.31 | 8.39 | 0.34 | 102.53 | 205.88 | 173.75 | 210.42 | 146.34 |
| 2012 | 159.27 | 112.16 | 73.49 | 92.89 | 157.31 | 72.46 | 130.03 | 64.72 | 60.77 | 10.75 | 70.36 | 1.65 | 4.30 | 0.40 | 1.07 | 0.84 | 0.00 | 0.63 | 6.95 | 90.40 | 56.78 | 183.37 | 154.22 | 253.75 |
| 2013 | 188.39 | 185.00 | 132.70 | 160.22 | 169.47 | 158.96 | 273.38 | 60.93 | 27.69 | 154.61 | 105.80 | 137.71 | 90.91 | 6.68 | 4.50 | 0.70 | 0.02 | 4.98 | 0.00 | 78.53 | 103.60 | 84.60 | 194.25 | 61.99 |
| 2014 | 236.96 | 83.55 | 87.70 | 180.63 | 194.70 | 150.56 | 180.28 | 84.48 | 90.68 | 26.69 | 3.25 | 71.98 | 73.74 | 0.51 | 4.56 | 0.44 | 0.00 | 0.00 | 1.83 | 12.05 | 93.89 | 135.52 | 151.54 | 174.08 |
| 2015 | 65.04 | 197.52 | 217.00 | 85.41 | 211.50 | 143.86 | 174.98 | 118.42 | 141.76 | 3.48 | 5.81 | 0.59 | 1.08 | 0.25 | 0.08 | 0.00 | 0.29 | 0.00 | 0.00 | 3.33 | 70.59 | 174.85 | 177.10 | 72.40 |
| 2016 | 74.96 | 126.03 | 254.65 | 166.05 | 169.18 | 139.27 | 150.01 | 63.41 | 113.71 | 70.08 | 44.35 | 64.46 | 24.96 | 94.17 | 123.53 | 24.87 | 94.76 | 187.71 | 136.16 | 91.60 | 132.78 | 172.52 | 106.64 | 85.45 |
| 2017 | 97.76 | 191.98 | 173.62 | 181.19 | 170.33 | 199.20 | 107.02 | 142.92 | 76.41 | 67.53 | 59.02 | 9.37 | 3.03 | 24.35 | 0.59 | 0.41 | 0.00 | 72.43 | 30.91 | 125.94 | 139.19 | 264.90 | 133.93 | 105.50 |
| 2018 | 155.29 | 109.21 | 141.31 | 325.00 | 230.27 | 73.50 | 93.66 | 66.01 | 13.11 | 13.21 | 4.52 | 32.24 | 1.63 | 0.00 | 0.18 | 0.00 | 0.11 | 16.05 | 11.77 | 26.98 | 108.03 | 159.35 | 139.80 | 114.22 |
| 2019 | 118.36 | 196.37 | 130.60 | 219.96 | 156.13 | 169.92 | 215.10 | 103.62 | 20.36 | 0.00 | 4.59 | 0.00 | 30.11 | 1.81 | 0.00 | 0.00 | 0.00 | 2.69 | 0.31 | 8.33 | 64.43 | 34.44 | 133.63 | 248.42 |
| 2020 | 136.98 | 78.28 | 225.73 | 209.93 | 134.86 | 212.21 | 192.32 | 90.91 | 107.93 | 103.04 | 7.26 | 1.69 | 37.74 | 0.75 | 42.16 | 0.29 | 5.12 | 17.87 | 17.58 | 170.43 | 84.39 | 158.88 | 289.76 | 167.97 |
| 2021 | 149.92 | 154.88 | 318.15 | 217.69 | 193.22 | 202.93 | 224.49 | 14.44 | 73.83 | 64.12 | 24.14 | 105.15 | 12.51 | 0.69 | 17.70 | 8.03 | 73.74 | 41.98 | 2.16 | 131.63 | 118.51 | 203.11 | 188.00 | 188.85 |
| 2022 | 148.28 | 178.25 | 159.83 | 74.17 | 206.41 | 159.80 | 75.14 | 164.21 | 57.03 | 150.61 | 121.17 | 14.29 | 4.97 | 23.16 | 78.44 | 12.75 | 70.10 | 24.09 | 124.99 | 161.46 | 134.22 | 218.87 | 93.37 | 170.96 |
| 2023 | 61.44 | 172.67 | 192.80 | 192.16 | 82.31 | 236.54 | 111.99 | 119.42 | 122.19 | 0.00 | 6.45 | 0.00 | 19.09 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.73 | 23.47 | 105.14 | 114.03 | 127.63 | 141.97 |
| 2024 | 149.03 | 86.95 | 205.32 | 122.52 | 312.62 | 39.48 | 205.32 | 182.02 | 0.04 | 29.84 | 87.50 | 5.08 | 35.26 | 0.00 | 9.63 | 0.37 | 1.16 | 70.11 | 1.75 | 90.91 | 95.51 | 206.05 | 221.25 | 130.40 |
| 2025 | 129.98 | 227.39 | 48.67 | 271.16 | 232.39 | 157.58 | 172.99 | 72.15 | 207.00 | 146.08 | 65.64 | 12.35 | 25.14 | 0.62 | 31.69 | 52.34 | 19.96 | 150.24 | – | – | – | – | – | – |
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 | 64.70 | 111.57 | 105.05 | 103.53 | 131.38 | 91.91 | 104.35 | 47.87 | 25.45 | 3.18 | 4.57 | 0.92 | 1.87 | 0.33 | 0.16 | 0.00 | 0.02 | 0.73 | 0.36 | 24.08 | 54.72 | 102.26 | 93.05 | 94.11 |
| R80mm/hari | 4.31 | 6.97 | 7.50 | 7.39 | 8.76 | 5.74 | 6.96 | 3.19 | 1.70 | 0.20 | 0.30 | 0.06 | 0.12 | 0.02 | 0.01 | 0.00 | 0.00 | 0.05 | 0.02 | 1.50 | 3.65 | 6.82 | 6.20 | 5.88 |
| Reff Padimm/hari | 3.02 | 4.88 | 5.25 | 5.18 | 6.13 | 4.02 | 4.87 | 2.23 | 1.19 | 0.14 | 0.21 | 0.04 | 0.09 | 0.01 | 0.01 | 0.00 | 0.00 | 0.03 | 0.02 | 1.05 | 2.55 | 4.77 | 4.34 | 4.12 |
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.