HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Jagir, Kec. Sine, Ngawi, Prov. Jawa Timur
GPM01D_E11115_S0745
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.26
mm/hari
Reff Padi Rata-rata
2.28
mm/hari
Reff Padi Maksimum
5.99
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 | 116.46 | 78.64 | 164.07 | 318.95 | 226.47 | 169.14 | 216.58 | 107.04 | 43.38 | 1.41 | 112.40 | 61.96 | 75.76 | 83.02 | 29.17 | 4.86 | 0.17 | 71.61 | 63.69 | 162.32 | 185.27 | 72.09 | 44.98 | 243.68 |
| 1999 | 88.22 | 177.61 | 58.49 | 164.43 | 188.65 | 105.35 | 122.89 | 45.54 | 50.64 | 0.42 | 23.40 | 4.43 | 31.93 | 5.87 | 24.17 | 3.01 | 0.00 | 11.50 | 89.95 | 163.59 | 195.08 | 157.55 | 141.97 | 153.45 |
| 2000 | 167.86 | 191.52 | 99.86 | 70.88 | 119.48 | 176.99 | 253.95 | 78.29 | 56.76 | 129.21 | 22.69 | 10.74 | 0.62 | 18.99 | 5.64 | 21.48 | 1.04 | 16.41 | 58.50 | 194.27 | 350.06 | 146.97 | 101.24 | 60.00 |
| 2001 | 68.27 | 273.56 | 201.51 | 76.41 | 149.66 | 364.47 | 312.36 | 100.12 | 56.50 | 45.58 | 193.33 | 4.19 | 39.43 | 60.66 | 6.22 | 3.98 | 21.97 | 18.70 | 70.22 | 175.48 | 113.77 | 244.94 | 38.28 | 148.64 |
| 2002 | 58.66 | 354.61 | 187.85 | 190.25 | 173.26 | 193.91 | 181.87 | 36.58 | 26.93 | 0.43 | 7.88 | 0.01 | 0.20 | 7.42 | 13.73 | 0.00 | 3.29 | 3.35 | 0.01 | 56.94 | 59.74 | 193.27 | 124.01 | 232.58 |
| 2003 | 48.78 | 183.14 | 198.12 | 277.46 | 170.97 | 146.98 | 90.22 | 19.50 | 112.99 | 5.24 | 3.21 | 5.41 | 0.00 | 1.23 | 0.09 | 0.00 | 7.16 | 9.88 | 50.60 | 74.49 | 35.54 | 217.14 | 210.75 | 101.16 |
| 2004 | 92.82 | 269.85 | 147.62 | 251.18 | 172.93 | 102.02 | 55.53 | 49.03 | 23.21 | 91.84 | 19.54 | 21.44 | 65.87 | 14.39 | 5.46 | 0.85 | 4.29 | 22.35 | 2.23 | 38.70 | 61.09 | 303.61 | 102.47 | 215.82 |
| 2005 | 56.27 | 148.22 | 106.28 | 181.28 | 90.43 | 235.57 | 230.60 | 24.62 | 26.87 | 24.86 | 32.94 | 198.65 | 69.13 | 13.15 | 16.38 | 26.32 | 11.26 | 28.93 | 55.29 | 144.52 | 16.25 | 163.87 | 126.50 | 193.80 |
| 2006 | 179.41 | 285.91 | 104.10 | 215.06 | 59.24 | 190.24 | 111.65 | 83.67 | 92.81 | 115.09 | 5.75 | 0.30 | 3.01 | 4.48 | 2.24 | 4.12 | 0.19 | 8.61 | 7.95 | 17.19 | 47.53 | 61.40 | 84.05 | 172.02 |
| 2007 | 6.41 | 66.53 | 127.67 | 227.53 | 189.88 | 250.34 | 143.70 | 159.30 | 15.48 | 70.69 | 7.00 | 29.33 | 2.08 | 5.55 | 6.60 | 2.48 | 6.00 | 0.97 | 17.47 | 42.98 | 187.19 | 35.86 | 155.55 | 342.16 |
| 2008 | 105.00 | 152.68 | 163.34 | 396.45 | 265.47 | 234.15 | 133.31 | 45.30 | 66.61 | 1.86 | 10.35 | 3.98 | 3.49 | 1.13 | 23.77 | 10.73 | 6.65 | 13.82 | 142.80 | 69.58 | 461.64 | 81.12 | 168.12 | 156.87 |
| 2009 | 118.50 | 262.64 | 140.11 | 270.35 | 130.59 | 120.34 | 71.83 | 89.59 | 73.27 | 181.94 | 28.25 | 9.00 | 4.67 | 15.02 | 4.78 | 8.49 | 9.01 | 7.35 | 30.96 | 24.75 | 109.16 | 93.80 | 53.96 | 163.76 |
| 2010 | 252.56 | 273.36 | 228.49 | 197.57 | 237.46 | 265.78 | 168.57 | 149.19 | 238.01 | 115.66 | 109.04 | 55.23 | 66.37 | 86.87 | 34.72 | 126.74 | 136.84 | 140.48 | 110.91 | 183.95 | 127.26 | 168.42 | 266.53 | 147.37 |
| 2011 | 114.96 | 182.81 | 122.93 | 96.70 | 95.16 | 221.25 | 158.02 | 98.27 | 191.04 | 5.81 | 6.05 | 40.33 | 11.53 | 26.03 | 2.51 | 0.00 | 14.03 | 4.36 | 0.07 | 94.67 | 206.98 | 205.03 | 163.58 | 166.25 |
| 2012 | 183.35 | 120.99 | 160.19 | 74.77 | 144.34 | 92.72 | 146.84 | 60.92 | 66.30 | 4.98 | 69.42 | 28.43 | 1.64 | 0.34 | 0.10 | 0.02 | 0.07 | 0.62 | 31.56 | 86.32 | 71.48 | 208.13 | 163.84 | 225.87 |
| 2013 | 231.74 | 145.07 | 122.86 | 197.05 | 176.78 | 123.81 | 322.60 | 56.94 | 38.01 | 148.57 | 160.19 | 57.31 | 82.00 | 24.77 | 1.53 | 9.79 | 0.59 | 3.91 | 4.31 | 86.47 | 113.06 | 70.99 | 189.48 | 79.36 |
| 2014 | 181.80 | 133.08 | 72.93 | 184.23 | 205.54 | 153.29 | 151.18 | 87.35 | 75.02 | 40.55 | 15.91 | 85.57 | 22.62 | 0.52 | 0.88 | 0.64 | 0.01 | 0.00 | 1.76 | 6.30 | 115.13 | 150.35 | 121.69 | 210.98 |
| 2015 | 63.12 | 182.55 | 215.44 | 90.91 | 208.61 | 155.89 | 206.17 | 106.65 | 90.02 | 12.82 | 9.74 | 0.06 | 0.64 | 0.13 | 1.57 | 0.07 | 0.10 | 0.68 | 0.15 | 1.91 | 80.54 | 177.03 | 172.70 | 76.72 |
| 2016 | 85.85 | 138.05 | 235.00 | 160.21 | 170.63 | 123.25 | 164.44 | 65.24 | 71.04 | 102.24 | 47.65 | 64.93 | 48.60 | 96.21 | 90.28 | 50.58 | 39.28 | 217.46 | 140.87 | 85.32 | 144.60 | 159.98 | 92.38 | 101.34 |
| 2017 | 85.28 | 195.21 | 155.54 | 234.61 | 158.57 | 190.46 | 167.17 | 115.52 | 89.08 | 69.08 | 63.54 | 24.34 | 3.95 | 18.24 | 8.88 | 0.78 | 0.15 | 77.53 | 80.31 | 182.95 | 144.85 | 237.31 | 122.88 | 111.23 |
| 2018 | 146.82 | 115.09 | 149.94 | 348.45 | 210.52 | 137.31 | 96.23 | 68.48 | 8.44 | 23.63 | 1.69 | 35.58 | 0.01 | 0.00 | 0.44 | 0.00 | 0.42 | 6.40 | 40.63 | 12.69 | 105.65 | 178.02 | 176.63 | 98.53 |
| 2019 | 98.65 | 207.70 | 147.52 | 184.67 | 134.61 | 182.46 | 191.89 | 123.55 | 61.72 | 0.00 | 1.07 | 0.06 | 29.80 | 1.39 | 0.10 | 0.59 | 0.00 | 0.59 | 6.36 | 18.25 | 58.54 | 28.66 | 151.54 | 227.87 |
| 2020 | 148.96 | 72.21 | 161.62 | 269.38 | 206.96 | 145.65 | 194.06 | 56.74 | 91.20 | 108.79 | 18.23 | 4.46 | 29.66 | 0.31 | 76.85 | 0.00 | 3.31 | 30.85 | 35.64 | 172.65 | 99.78 | 142.91 | 302.55 | 137.46 |
| 2021 | 154.91 | 138.72 | 321.27 | 242.68 | 193.43 | 191.47 | 207.33 | 13.82 | 52.82 | 72.17 | 53.73 | 81.26 | 9.95 | 0.35 | 49.38 | 12.31 | 29.35 | 129.82 | 4.75 | 146.27 | 173.06 | 167.96 | 126.95 | 224.36 |
| 2022 | 112.27 | 198.60 | 166.93 | 74.89 | 201.25 | 128.11 | 78.47 | 174.09 | 61.21 | 133.04 | 101.11 | 42.39 | 12.89 | 22.45 | 89.76 | 4.05 | 64.98 | 23.37 | 157.03 | 150.97 | 147.94 | 179.19 | 66.64 | 208.96 |
| 2023 | 52.57 | 175.31 | 180.56 | 196.50 | 108.96 | 227.31 | 191.28 | 82.00 | 133.44 | 0.00 | 23.12 | 2.52 | 18.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.86 | 0.89 | 58.40 | 120.95 | 105.60 | 157.12 | 123.29 |
| 2024 | 155.63 | 85.61 | 181.72 | 142.83 | 321.22 | 63.69 | 193.53 | 192.52 | 1.17 | 41.17 | 43.69 | 0.00 | 31.36 | 0.33 | 31.71 | 1.73 | 4.01 | 75.72 | 17.03 | 64.29 | 115.11 | 193.95 | 226.41 | 109.97 |
| 2025 | 108.71 | 266.01 | 93.36 | 244.57 | 220.65 | 173.60 | 164.26 | 75.16 | 217.46 | 163.44 | 44.85 | 31.62 | 22.18 | 2.30 | 52.60 | 39.90 | 27.09 | 137.55 | – | – | – | – | – | – |
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 | 62.22 | 119.81 | 105.84 | 95.54 | 128.37 | 122.67 | 108.56 | 45.49 | 26.92 | 1.77 | 6.81 | 2.08 | 1.44 | 0.34 | 0.79 | 0.00 | 0.09 | 0.95 | 2.04 | 22.15 | 60.55 | 77.51 | 89.05 | 101.27 |
| R80mm/hari | 4.15 | 7.49 | 7.56 | 6.82 | 8.56 | 7.67 | 7.24 | 3.03 | 1.79 | 0.11 | 0.45 | 0.14 | 0.10 | 0.02 | 0.05 | 0.00 | 0.01 | 0.06 | 0.14 | 1.38 | 4.04 | 5.17 | 5.94 | 6.33 |
| Reff Padimm/hari | 2.90 | 5.24 | 5.29 | 4.78 | 5.99 | 5.37 | 5.07 | 2.12 | 1.26 | 0.08 | 0.32 | 0.10 | 0.07 | 0.01 | 0.04 | 0.00 | 0.00 | 0.04 | 0.10 | 0.97 | 2.83 | 3.62 | 4.16 | 4.43 |
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.