HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Pagerkidul, Kec. Sudimoro, Pacitan, Prov. Jawa Timur
GPM01D_E11135_S0825
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.69
mm/hari
Reff Padi Rata-rata
1.88
mm/hari
Reff Padi Maksimum
4.72
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 | 16.35 | 156.77 | 168.73 | 210.77 | 227.89 | 177.09 | 94.32 | 211.97 | 56.51 | 8.87 | 111.09 | 123.79 | 69.18 | 136.45 | 20.55 | 11.48 | 5.66 | 123.40 | 16.78 | 277.05 | 230.29 | 91.25 | 45.80 | 265.43 |
| 1999 | 78.87 | 154.83 | 65.57 | 81.23 | 226.62 | 77.12 | 136.46 | 51.59 | 57.35 | 2.72 | 4.34 | 3.38 | 4.86 | 1.21 | 1.17 | 2.03 | 0.48 | 1.91 | 83.97 | 56.24 | 196.60 | 138.92 | 131.58 | 118.82 |
| 2000 | 124.38 | 215.13 | 113.39 | 90.78 | 157.93 | 110.75 | 167.66 | 141.67 | 60.56 | 109.06 | 19.17 | 12.86 | 0.73 | 2.07 | 2.96 | 22.13 | 33.85 | 11.26 | 87.40 | 224.72 | 285.73 | 206.74 | 35.11 | 100.45 |
| 2001 | 167.54 | 207.01 | 245.53 | 13.00 | 160.07 | 344.71 | 241.84 | 119.27 | 30.27 | 45.65 | 174.63 | 2.75 | 8.47 | 5.90 | 2.30 | 3.99 | 10.81 | 29.76 | 96.66 | 245.79 | 194.61 | 253.48 | 130.01 | 95.34 |
| 2002 | 79.81 | 378.07 | 377.67 | 142.64 | 110.35 | 217.43 | 157.61 | 99.55 | 69.94 | 13.25 | 16.81 | 6.26 | 16.76 | 3.03 | 3.37 | 0.98 | 1.40 | 2.06 | 9.31 | 45.72 | 78.90 | 51.84 | 37.59 | 297.97 |
| 2003 | 105.54 | 131.97 | 230.10 | 189.85 | 200.94 | 95.51 | 23.76 | 20.29 | 83.04 | 23.82 | 10.04 | 7.84 | 2.70 | 6.04 | 2.99 | 6.71 | 14.30 | 8.08 | 6.48 | 112.64 | 15.14 | 270.76 | 230.54 | 105.93 |
| 2004 | 69.36 | 235.56 | 197.15 | 192.79 | 185.06 | 43.40 | 19.28 | 31.53 | 12.30 | 147.15 | 38.63 | 5.08 | 9.18 | 31.14 | 2.98 | 3.22 | 16.66 | 21.47 | 3.48 | 14.33 | 79.03 | 248.05 | 236.14 | 130.56 |
| 2005 | 50.19 | 194.90 | 113.14 | 163.72 | 67.25 | 240.62 | 164.18 | 42.27 | 17.18 | 5.88 | 53.83 | 148.77 | 169.03 | 5.20 | 3.17 | 25.37 | 21.72 | 83.69 | 33.04 | 160.90 | 52.33 | 164.22 | 333.61 | 139.13 |
| 2006 | 123.38 | 268.78 | 44.65 | 237.71 | 97.16 | 173.02 | 95.93 | 79.77 | 85.81 | 80.20 | 0.77 | 2.69 | 8.05 | 2.25 | 1.60 | 1.78 | 7.33 | 3.92 | 3.08 | 8.90 | 4.89 | 36.87 | 36.76 | 184.67 |
| 2007 | 10.95 | 45.71 | 130.84 | 287.50 | 85.64 | 283.00 | 132.09 | 103.97 | 45.56 | 53.34 | 12.38 | 24.03 | 2.38 | 7.55 | 9.55 | 5.22 | 1.19 | 7.14 | 1.87 | 115.90 | 174.64 | 3.26 | 226.45 | 252.63 |
| 2008 | 185.63 | 54.11 | 192.98 | 296.12 | 146.75 | 361.35 | 158.32 | 39.27 | 74.31 | 20.32 | 10.78 | 0.30 | 0.78 | 2.02 | 8.59 | 7.20 | 25.13 | 5.97 | 180.13 | 65.24 | 297.44 | 347.78 | 185.61 | 75.82 |
| 2009 | 207.89 | 187.90 | 243.13 | 134.62 | 110.35 | 79.30 | 74.33 | 50.37 | 100.56 | 90.85 | 21.36 | 5.84 | 7.04 | 24.01 | 1.22 | 6.34 | 27.02 | 12.57 | 15.74 | 62.71 | 28.30 | 214.72 | 64.78 | 134.48 |
| 2010 | 181.04 | 193.62 | 326.71 | 93.60 | 238.60 | 247.47 | 139.43 | 238.07 | 221.47 | 163.41 | 114.07 | 50.97 | 112.84 | 91.48 | 25.06 | 64.03 | 182.77 | 223.77 | 40.05 | 319.59 | 203.43 | 177.38 | 186.24 | 217.70 |
| 2011 | 272.81 | 84.27 | 122.12 | 95.60 | 116.59 | 140.18 | 206.44 | 67.28 | 172.54 | 98.86 | 18.70 | 4.12 | 4.48 | 5.53 | 1.26 | 4.00 | 3.35 | 2.30 | 2.43 | 4.38 | 151.80 | 155.91 | 112.06 | 230.99 |
| 2012 | 153.21 | 111.94 | 125.63 | 69.90 | 127.07 | 98.76 | 101.74 | 39.79 | 94.35 | 12.75 | 20.85 | 3.14 | 12.51 | 8.11 | 0.13 | 12.73 | 1.97 | 10.42 | 25.33 | 71.97 | 28.57 | 177.85 | 327.10 | 136.89 |
| 2013 | 365.07 | 82.62 | 65.18 | 168.29 | 127.25 | 184.31 | 135.34 | 110.63 | 25.79 | 149.87 | 159.22 | 88.92 | 163.94 | 4.47 | 4.96 | 0.72 | 12.09 | 2.55 | 6.88 | 50.82 | 91.25 | 96.05 | 123.81 | 168.83 |
| 2014 | 288.63 | 162.05 | 145.99 | 96.87 | 77.04 | 167.60 | 51.95 | 106.77 | 85.88 | 15.45 | 1.08 | 90.83 | 16.59 | 9.76 | 2.66 | 0.00 | 1.10 | 1.62 | 5.28 | 6.03 | 33.98 | 301.21 | 100.60 | 261.10 |
| 2015 | 102.27 | 152.23 | 195.17 | 76.03 | 310.41 | 45.62 | 114.61 | 200.29 | 195.08 | 0.00 | 24.32 | 2.46 | 1.08 | 0.48 | 1.72 | 0.40 | 1.25 | 0.45 | 0.00 | 2.07 | 72.25 | 100.70 | 186.04 | 73.69 |
| 2016 | 13.12 | 200.63 | 321.77 | 113.72 | 48.10 | 229.60 | 285.23 | 43.55 | 192.17 | 62.04 | 91.38 | 72.26 | 149.07 | 93.98 | 102.09 | 42.62 | 31.53 | 305.16 | 195.86 | 71.95 | 135.40 | 222.82 | 227.59 | 47.88 |
| 2017 | 96.62 | 212.75 | 266.13 | 74.64 | 54.69 | 210.54 | 95.18 | 200.67 | 65.61 | 40.44 | 17.85 | 27.01 | 3.45 | 20.04 | 0.84 | 3.78 | 0.04 | 59.61 | 184.10 | 58.96 | 99.90 | 403.05 | 80.87 | 179.77 |
| 2018 | 116.66 | 213.80 | 321.32 | 91.90 | 150.92 | 102.93 | 68.28 | 34.77 | 1.38 | 9.75 | 0.00 | 40.00 | 3.17 | 2.11 | 2.00 | 1.21 | 1.38 | 4.49 | 2.98 | 0.68 | 223.39 | 128.35 | 180.10 | 85.59 |
| 2019 | 87.38 | 228.29 | 58.91 | 221.11 | 274.13 | 68.32 | 87.31 | 117.05 | 2.41 | 0.42 | 7.98 | 0.19 | 1.86 | 5.18 | 0.00 | 4.18 | 2.48 | 0.73 | 1.15 | 36.39 | 102.09 | 4.18 | 79.24 | 135.28 |
| 2020 | 148.24 | 74.77 | 172.58 | 257.14 | 270.34 | 134.73 | 95.75 | 87.04 | 25.35 | 207.81 | 47.08 | 6.88 | 16.05 | 0.00 | 3.95 | 1.30 | 4.29 | 72.33 | 62.80 | 149.60 | 182.16 | 132.36 | 271.38 | 94.99 |
| 2021 | 133.23 | 185.74 | 343.79 | 170.92 | 130.24 | 158.61 | 187.80 | 8.01 | 1.68 | 10.19 | 24.73 | 195.68 | 4.96 | 5.22 | 2.08 | 8.79 | 84.42 | 16.85 | 5.59 | 168.17 | 216.80 | 206.66 | 160.63 | 245.93 |
| 2022 | 158.83 | 139.02 | 198.33 | 83.11 | 158.15 | 140.96 | 29.67 | 183.27 | 64.16 | 172.52 | 84.18 | 66.86 | 3.28 | 4.77 | 74.41 | 6.86 | 163.57 | 16.36 | 200.42 | 229.76 | 308.80 | 179.67 | 78.54 | 258.54 |
| 2023 | 38.75 | 192.98 | 202.69 | 226.34 | 25.48 | 201.12 | 171.26 | 63.26 | 100.46 | 0.00 | 8.17 | 2.73 | 78.22 | 0.00 | 0.63 | 0.09 | 0.00 | 0.00 | 2.41 | 4.58 | 18.33 | 156.62 | 109.76 | 110.42 |
| 2024 | 100.41 | 115.39 | 101.66 | 198.38 | 349.23 | 2.58 | 191.36 | 190.99 | 2.27 | 9.47 | 22.13 | 1.73 | 67.68 | 0.57 | 1.14 | 5.32 | 2.09 | 10.82 | 2.41 | 130.44 | 90.93 | 296.32 | 215.12 | 161.77 |
| 2025 | 152.17 | 233.09 | 43.89 | 299.02 | 144.72 | 215.80 | 156.60 | 43.70 | 263.05 | 240.03 | 62.72 | 33.54 | 12.85 | 6.48 | 0.08 | 173.90 | 40.21 | 124.88 | – | – | – | – | – | – |
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 | 65.52 | 106.41 | 94.44 | 82.73 | 83.92 | 78.86 | 73.12 | 39.69 | 16.20 | 8.27 | 8.13 | 2.72 | 2.64 | 1.86 | 1.08 | 1.16 | 1.23 | 2.03 | 2.42 | 7.75 | 31.81 | 94.13 | 73.03 | 95.20 |
| R80mm/hari | 4.37 | 6.65 | 6.75 | 5.91 | 5.59 | 4.93 | 4.87 | 2.65 | 1.08 | 0.52 | 0.54 | 0.18 | 0.18 | 0.12 | 0.07 | 0.07 | 0.08 | 0.14 | 0.16 | 0.48 | 2.12 | 6.28 | 4.87 | 5.95 |
| Reff Padimm/hari | 3.06 | 4.66 | 4.72 | 4.14 | 3.92 | 3.45 | 3.41 | 1.85 | 0.76 | 0.36 | 0.38 | 0.13 | 0.12 | 0.08 | 0.05 | 0.05 | 0.06 | 0.09 | 0.11 | 0.34 | 1.48 | 4.39 | 3.41 | 4.17 |
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.