HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Pacekelan, Kec. Purworejo, Purworejo, Prov. Jawa Tengah
GPM01D_E11005_S0775
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.57
mm/hari
Reff Padi Rata-rata
2.50
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 | 14.61 | 214.43 | 218.66 | 237.40 | 225.59 | 201.03 | 153.12 | 128.94 | 58.71 | 41.42 | 195.97 | 64.73 | 125.69 | 100.84 | 39.17 | 17.27 | 1.84 | 83.26 | 70.47 | 344.91 | 223.43 | 122.00 | 27.27 | 318.09 |
| 1999 | 176.15 | 199.59 | 85.34 | 241.52 | 249.75 | 137.73 | 151.96 | 51.79 | 93.66 | 6.06 | 19.20 | 5.80 | 63.28 | 1.25 | 8.15 | 1.76 | 0.00 | 2.47 | 62.45 | 133.04 | 138.88 | 161.40 | 244.64 | 171.23 |
| 2000 | 258.48 | 198.17 | 136.25 | 170.49 | 209.31 | 125.06 | 262.10 | 85.08 | 181.14 | 59.06 | 66.62 | 14.42 | 7.35 | 4.20 | 10.51 | 8.99 | 1.73 | 4.68 | 91.48 | 156.81 | 201.81 | 271.24 | 227.12 | 18.97 |
| 2001 | 149.17 | 235.31 | 299.95 | 45.78 | 185.79 | 295.97 | 219.37 | 112.09 | 71.48 | 67.99 | 165.99 | 3.30 | 53.48 | 29.96 | 0.37 | 3.78 | 7.14 | 7.23 | 119.02 | 328.23 | 154.88 | 242.70 | 109.98 | 100.43 |
| 2002 | 76.33 | 313.96 | 352.54 | 105.06 | 63.49 | 185.66 | 117.81 | 156.99 | 98.06 | 1.27 | 17.68 | 0.06 | 9.39 | 5.83 | 6.57 | 0.00 | 0.04 | 0.16 | 4.85 | 68.13 | 115.22 | 165.68 | 96.87 | 182.88 |
| 2003 | 173.91 | 117.60 | 198.26 | 273.92 | 240.82 | 100.63 | 37.06 | 23.06 | 147.21 | 1.21 | 2.25 | 13.29 | 3.17 | 0.22 | 0.20 | 1.87 | 3.91 | 36.38 | 60.09 | 165.75 | 30.61 | 226.33 | 357.28 | 118.51 |
| 2004 | 69.71 | 329.66 | 160.72 | 186.11 | 205.86 | 119.15 | 84.35 | 9.95 | 32.93 | 115.57 | 21.49 | 7.83 | 64.69 | 16.43 | 7.35 | 0.40 | 14.36 | 9.81 | 9.45 | 20.58 | 15.88 | 397.16 | 177.60 | 278.86 |
| 2005 | 100.57 | 264.91 | 114.84 | 248.56 | 106.49 | 276.82 | 159.28 | 83.30 | 43.12 | 14.73 | 30.44 | 258.50 | 104.13 | 4.54 | 6.09 | 35.07 | 17.15 | 59.21 | 28.01 | 160.56 | 58.71 | 202.59 | 143.20 | 266.24 |
| 2006 | 176.94 | 387.21 | 119.99 | 282.17 | 129.33 | 227.85 | 175.60 | 59.83 | 51.24 | 166.91 | 15.14 | 1.62 | 2.40 | 0.36 | 0.00 | 0.00 | 0.40 | 0.55 | 0.31 | 0.00 | 24.46 | 27.33 | 73.12 | 291.83 |
| 2007 | 12.55 | 116.99 | 88.03 | 269.39 | 60.53 | 314.29 | 170.65 | 190.47 | 97.63 | 44.92 | 3.08 | 24.46 | 1.15 | 3.35 | 2.10 | 2.27 | 0.23 | 2.14 | 0.55 | 192.59 | 322.24 | 12.85 | 219.66 | 321.73 |
| 2008 | 182.03 | 123.01 | 317.80 | 276.75 | 188.77 | 196.91 | 146.87 | 57.06 | 26.27 | 3.36 | 10.41 | 0.46 | 2.32 | 4.58 | 4.23 | 12.88 | 9.43 | 0.78 | 101.74 | 156.25 | 350.43 | 216.46 | 141.62 | 137.43 |
| 2009 | 151.21 | 251.26 | 192.68 | 235.17 | 61.04 | 149.85 | 129.14 | 124.33 | 113.16 | 181.63 | 58.00 | 0.38 | 0.26 | 2.72 | 1.95 | 8.91 | 17.06 | 0.67 | 18.61 | 126.44 | 105.26 | 158.01 | 35.73 | 268.06 |
| 2010 | 180.36 | 220.98 | 222.56 | 120.99 | 272.40 | 192.31 | 169.49 | 118.41 | 265.96 | 141.43 | 174.99 | 47.76 | 114.71 | 35.65 | 49.97 | 104.43 | 202.95 | 189.25 | 78.45 | 300.82 | 190.35 | 168.69 | 277.71 | 187.93 |
| 2011 | 185.99 | 137.04 | 110.04 | 266.60 | 102.83 | 189.64 | 188.28 | 120.56 | 220.59 | 6.39 | 21.05 | 1.41 | 3.20 | 5.32 | 0.00 | 0.00 | 1.03 | 0.69 | 9.91 | 79.02 | 255.60 | 249.01 | 90.39 | 304.74 |
| 2012 | 252.75 | 163.31 | 102.15 | 248.09 | 264.67 | 74.57 | 118.53 | 127.01 | 118.17 | 33.61 | 57.23 | 0.24 | 2.44 | 1.30 | 0.07 | 7.64 | 0.42 | 3.43 | 22.52 | 58.72 | 74.33 | 340.03 | 229.12 | 245.53 |
| 2013 | 275.85 | 179.09 | 248.22 | 172.92 | 129.72 | 176.44 | 180.08 | 95.72 | 58.58 | 239.42 | 308.49 | 61.65 | 140.59 | 19.49 | 2.13 | 0.26 | 1.88 | 1.06 | 0.67 | 140.85 | 185.18 | 63.78 | 200.20 | 133.25 |
| 2014 | 354.04 | 228.28 | 199.03 | 162.61 | 167.75 | 162.35 | 138.25 | 63.23 | 140.55 | 24.57 | 13.40 | 109.99 | 84.94 | 13.70 | 2.47 | 7.58 | 0.00 | 0.00 | 1.51 | 14.05 | 111.61 | 277.93 | 145.74 | 302.14 |
| 2015 | 109.17 | 187.00 | 254.22 | 66.85 | 210.83 | 201.44 | 128.08 | 209.23 | 116.43 | 41.31 | 27.99 | 1.28 | 0.00 | 0.11 | 0.42 | 0.00 | 0.00 | 3.34 | 0.00 | 0.04 | 157.97 | 140.92 | 265.07 | 84.27 |
| 2016 | 76.77 | 203.15 | 318.55 | 91.68 | 81.88 | 203.99 | 205.59 | 77.71 | 214.83 | 85.67 | 59.36 | 134.78 | 92.52 | 119.07 | 45.50 | 12.62 | 10.45 | 417.67 | 241.88 | 125.90 | 135.87 | 206.04 | 195.81 | 105.15 |
| 2017 | 151.02 | 195.82 | 228.97 | 149.07 | 80.09 | 288.40 | 115.25 | 176.67 | 16.73 | 110.28 | 50.63 | 54.47 | 4.21 | 14.09 | 0.65 | 5.08 | 0.23 | 120.59 | 61.81 | 225.31 | 144.49 | 352.39 | 81.48 | 249.93 |
| 2018 | 148.90 | 191.25 | 217.79 | 265.72 | 215.06 | 105.25 | 120.90 | 84.92 | 0.89 | 34.30 | 0.15 | 32.70 | 1.08 | 0.09 | 0.00 | 0.00 | 1.35 | 23.95 | 0.36 | 5.40 | 213.94 | 136.21 | 207.80 | 84.64 |
| 2019 | 125.32 | 220.47 | 113.79 | 212.75 | 223.80 | 239.32 | 160.65 | 53.42 | 42.89 | 0.96 | 11.80 | 0.00 | 0.54 | 0.26 | 0.00 | 0.18 | 0.00 | 0.00 | 0.00 | 14.71 | 70.13 | 40.66 | 121.53 | 186.20 |
| 2020 | 209.83 | 81.38 | 219.59 | 231.43 | 290.52 | 233.41 | 112.24 | 100.18 | 76.39 | 188.85 | 5.77 | 5.65 | 27.75 | 0.00 | 53.34 | 0.00 | 24.35 | 24.92 | 45.48 | 205.60 | 167.71 | 142.70 | 285.48 | 192.70 |
| 2021 | 196.29 | 140.91 | 276.38 | 304.74 | 208.22 | 113.09 | 185.91 | 1.31 | 9.14 | 19.99 | 16.24 | 147.53 | 2.09 | 0.00 | 28.44 | 12.92 | 62.90 | 86.94 | 2.50 | 165.85 | 272.96 | 149.91 | 114.68 | 224.13 |
| 2022 | 157.12 | 170.84 | 187.34 | 152.73 | 176.49 | 175.63 | 48.56 | 219.41 | 44.71 | 260.11 | 154.78 | 29.91 | 19.30 | 15.30 | 77.74 | 14.18 | 147.86 | 51.93 | 140.24 | 157.79 | 259.49 | 172.50 | 146.77 | 217.75 |
| 2023 | 89.78 | 185.40 | 216.35 | 138.36 | 58.20 | 216.27 | 128.01 | 37.25 | 150.89 | 0.04 | 7.86 | 2.73 | 27.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.67 | 2.98 | 78.45 | 139.60 | 145.19 | 86.54 |
| 2024 | 158.13 | 207.40 | 152.82 | 115.74 | 377.13 | 32.43 | 111.00 | 211.37 | 20.32 | 55.90 | 29.09 | 1.33 | 48.05 | 0.00 | 2.13 | 1.15 | 33.02 | 3.20 | 1.61 | 75.47 | 197.62 | 298.23 | 256.62 | 160.33 |
| 2025 | 212.27 | 218.99 | 45.00 | 321.55 | 196.03 | 221.39 | 138.51 | 67.38 | 193.25 | 233.60 | 67.88 | 14.68 | 30.91 | 9.69 | 28.61 | 141.87 | 56.51 | 145.50 | – | – | – | – | – | – |
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 | 87.18 | 140.13 | 113.04 | 119.94 | 81.52 | 117.93 | 114.65 | 53.09 | 31.60 | 5.52 | 9.90 | 1.12 | 1.90 | 0.10 | 0.05 | 0.00 | 0.03 | 0.65 | 0.62 | 14.45 | 72.65 | 130.53 | 94.28 | 103.26 |
| R80mm/hari | 5.81 | 8.76 | 8.07 | 8.57 | 5.43 | 7.37 | 7.64 | 3.54 | 2.11 | 0.34 | 0.66 | 0.07 | 0.13 | 0.01 | 0.00 | 0.00 | 0.00 | 0.04 | 0.04 | 0.90 | 4.84 | 8.70 | 6.29 | 6.45 |
| Reff Padimm/hari | 4.07 | 6.13 | 5.65 | 6.00 | 3.80 | 5.16 | 5.35 | 2.48 | 1.47 | 0.24 | 0.46 | 0.05 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.03 | 0.63 | 3.39 | 6.09 | 4.40 | 4.52 |
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.