HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Kalangbancar, Kec. Geyer, Grobogan, Prov. Jawa Tengah
GPM01D_E11085_S0725
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.52
mm/hari
Reff Padi Rata-rata
2.46
mm/hari
Reff Padi Maksimum
5.98
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 | 52.92 | 125.25 | 138.47 | 336.97 | 106.46 | 229.53 | 196.38 | 108.60 | 51.92 | 4.45 | 101.98 | 64.24 | 29.97 | 131.24 | 54.95 | 10.48 | 1.43 | 81.58 | 127.22 | 134.41 | 102.16 | 130.78 | 44.27 | 210.81 |
| 1999 | 74.64 | 223.89 | 87.21 | 185.97 | 225.01 | 93.17 | 145.11 | 58.31 | 55.90 | 2.46 | 11.57 | 81.22 | 38.63 | 6.40 | 30.28 | 15.18 | 0.00 | 38.23 | 125.04 | 173.04 | 222.32 | 91.06 | 162.15 | 184.90 |
| 2000 | 158.93 | 227.29 | 120.53 | 87.62 | 92.06 | 195.65 | 181.19 | 108.17 | 66.89 | 178.90 | 31.03 | 20.36 | 2.55 | 40.33 | 1.74 | 73.19 | 13.14 | 61.73 | 107.88 | 97.55 | 355.59 | 93.93 | 106.16 | 71.66 |
| 2001 | 121.53 | 280.22 | 223.33 | 116.00 | 238.66 | 227.63 | 271.20 | 72.53 | 45.73 | 88.80 | 206.15 | 2.20 | 29.14 | 53.87 | 0.48 | 11.23 | 17.55 | 77.11 | 48.70 | 182.10 | 102.55 | 204.62 | 56.50 | 118.46 |
| 2002 | 83.36 | 323.02 | 148.40 | 213.58 | 119.51 | 195.27 | 186.76 | 28.53 | 128.10 | 0.00 | 21.77 | 0.04 | 0.39 | 16.47 | 16.70 | 0.00 | 3.73 | 1.27 | 0.07 | 61.68 | 194.91 | 207.87 | 153.63 | 168.62 |
| 2003 | 76.45 | 168.13 | 240.58 | 216.62 | 166.57 | 87.49 | 59.59 | 63.69 | 110.81 | 10.90 | 0.00 | 3.48 | 0.02 | 1.10 | 0.03 | 8.26 | 29.81 | 42.16 | 51.80 | 155.11 | 64.96 | 189.20 | 252.99 | 142.70 |
| 2004 | 109.66 | 230.85 | 198.53 | 206.28 | 150.27 | 91.67 | 59.03 | 155.16 | 22.79 | 134.99 | 37.79 | 3.56 | 37.67 | 28.31 | 2.45 | 0.15 | 9.12 | 30.91 | 0.47 | 59.66 | 87.50 | 250.78 | 103.30 | 238.82 |
| 2005 | 71.05 | 137.40 | 39.22 | 205.19 | 140.43 | 176.27 | 261.76 | 22.13 | 109.43 | 2.45 | 48.67 | 203.53 | 56.45 | 19.30 | 69.87 | 12.29 | 11.46 | 147.54 | 31.16 | 145.66 | 31.92 | 206.43 | 86.57 | 217.12 |
| 2006 | 210.91 | 342.18 | 167.84 | 207.90 | 74.72 | 188.43 | 147.65 | 83.76 | 92.11 | 90.33 | 4.38 | 5.87 | 0.00 | 1.72 | 0.71 | 0.00 | 0.00 | 2.57 | 0.00 | 13.15 | 72.97 | 129.05 | 78.56 | 201.80 |
| 2007 | 19.76 | 101.99 | 135.59 | 208.37 | 221.68 | 169.06 | 174.48 | 134.10 | 28.24 | 76.05 | 21.59 | 24.70 | 5.17 | 4.64 | 0.26 | 11.19 | 1.01 | 3.14 | 14.77 | 116.64 | 250.65 | 35.45 | 119.61 | 391.25 |
| 2008 | 144.02 | 193.34 | 184.90 | 326.57 | 279.30 | 243.81 | 113.58 | 34.77 | 94.30 | 0.00 | 21.27 | 0.00 | 0.00 | 0.48 | 21.38 | 32.03 | 6.95 | 3.11 | 155.41 | 88.70 | 350.86 | 106.14 | 163.22 | 122.42 |
| 2009 | 194.47 | 159.01 | 209.32 | 255.05 | 122.91 | 84.21 | 69.95 | 123.48 | 78.99 | 207.15 | 46.17 | 1.66 | 20.48 | 9.91 | 6.86 | 7.38 | 13.82 | 7.25 | 37.72 | 15.51 | 76.23 | 114.73 | 39.43 | 197.70 |
| 2010 | 297.62 | 212.15 | 102.55 | 319.32 | 253.08 | 234.48 | 115.56 | 169.23 | 162.44 | 174.97 | 120.91 | 57.79 | 64.78 | 77.88 | 18.27 | 153.85 | 139.28 | 104.68 | 115.75 | 191.91 | 108.99 | 161.02 | 258.68 | 168.54 |
| 2011 | 108.24 | 187.04 | 125.70 | 106.57 | 96.16 | 194.84 | 134.50 | 119.60 | 144.94 | 7.65 | 2.09 | 79.65 | 19.14 | 11.12 | 0.89 | 0.00 | 17.83 | 1.09 | 5.49 | 134.52 | 300.74 | 179.27 | 109.68 | 234.36 |
| 2012 | 285.25 | 133.54 | 136.31 | 127.37 | 129.18 | 130.21 | 93.97 | 73.84 | 69.39 | 3.26 | 62.38 | 35.78 | 0.77 | 0.03 | 0.09 | 0.14 | 1.59 | 10.97 | 55.72 | 89.60 | 136.03 | 131.39 | 161.24 | 191.74 |
| 2013 | 260.19 | 165.79 | 87.33 | 285.03 | 187.93 | 89.41 | 304.93 | 85.96 | 28.96 | 148.19 | 228.36 | 41.68 | 84.36 | 28.16 | 0.00 | 76.35 | 0.24 | 0.00 | 1.42 | 215.69 | 79.23 | 81.74 | 188.20 | 104.75 |
| 2014 | 414.64 | 159.08 | 116.03 | 150.22 | 244.40 | 130.16 | 122.00 | 56.43 | 59.30 | 40.94 | 23.22 | 79.45 | 61.14 | 55.17 | 16.73 | 3.97 | 0.00 | 4.76 | 22.06 | 33.12 | 106.89 | 135.11 | 128.16 | 154.73 |
| 2015 | 97.84 | 202.65 | 184.56 | 94.06 | 168.05 | 184.28 | 166.82 | 117.52 | 151.44 | 7.45 | 29.37 | 6.44 | 0.00 | 0.00 | 0.91 | 0.00 | 0.06 | 5.47 | 0.00 | 7.34 | 157.01 | 123.11 | 179.26 | 78.05 |
| 2016 | 85.13 | 188.09 | 227.98 | 121.47 | 86.53 | 133.21 | 184.36 | 42.20 | 61.19 | 115.53 | 47.47 | 69.89 | 48.31 | 93.04 | 20.14 | 37.68 | 50.08 | 288.38 | 121.68 | 119.52 | 145.71 | 108.36 | 116.47 | 131.72 |
| 2017 | 96.98 | 203.54 | 200.80 | 165.44 | 160.06 | 138.62 | 119.99 | 119.79 | 101.87 | 60.25 | 53.66 | 62.53 | 4.51 | 16.18 | 0.20 | 0.11 | 0.05 | 88.92 | 160.61 | 156.40 | 128.44 | 273.65 | 109.78 | 128.94 |
| 2018 | 134.21 | 147.76 | 187.28 | 357.70 | 235.78 | 66.58 | 32.11 | 74.17 | 15.97 | 45.74 | 0.91 | 56.94 | 0.00 | 0.00 | 0.00 | 1.56 | 4.60 | 19.24 | 13.84 | 31.13 | 141.05 | 107.38 | 237.10 | 73.40 |
| 2019 | 89.31 | 241.28 | 150.15 | 155.78 | 153.11 | 169.01 | 242.75 | 95.44 | 53.08 | 0.26 | 7.42 | 0.00 | 26.44 | 0.00 | 0.09 | 0.41 | 0.00 | 0.55 | 1.73 | 63.39 | 97.71 | 74.01 | 113.59 | 248.17 |
| 2020 | 228.66 | 59.37 | 135.51 | 241.87 | 268.06 | 105.09 | 152.23 | 79.83 | 107.03 | 137.11 | 36.67 | 1.81 | 82.66 | 0.09 | 65.07 | 0.68 | 13.34 | 110.22 | 76.82 | 139.98 | 57.17 | 155.98 | 266.77 | 167.45 |
| 2021 | 139.30 | 146.38 | 320.86 | 249.82 | 154.19 | 266.71 | 179.75 | 0.83 | 90.26 | 47.36 | 25.90 | 102.70 | 1.39 | 2.21 | 99.64 | 26.44 | 35.23 | 127.95 | 5.34 | 138.79 | 162.74 | 175.10 | 175.30 | 211.01 |
| 2022 | 128.13 | 150.79 | 183.97 | 103.90 | 163.81 | 152.56 | 115.28 | 116.69 | 133.01 | 111.64 | 124.63 | 70.74 | 103.02 | 46.84 | 69.54 | 8.29 | 73.44 | 44.77 | 163.15 | 167.88 | 151.68 | 122.53 | 56.01 | 262.08 |
| 2023 | 149.81 | 146.64 | 211.42 | 181.97 | 174.81 | 132.94 | 134.00 | 88.95 | 148.03 | 0.00 | 5.31 | 0.24 | 1.51 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 7.26 | 58.98 | 147.10 | 87.87 | 202.80 | 54.68 |
| 2024 | 154.43 | 103.97 | 183.40 | 98.80 | 357.07 | 55.90 | 221.05 | 121.13 | 12.10 | 47.04 | 111.20 | 0.05 | 28.35 | 21.16 | 37.59 | 0.89 | 18.75 | 81.02 | 56.47 | 82.84 | 98.02 | 154.94 | 182.81 | 137.20 |
| 2025 | 103.74 | 285.20 | 110.91 | 207.22 | 288.20 | 129.85 | 85.85 | 81.47 | 173.61 | 246.49 | 23.52 | 57.98 | 42.75 | 18.86 | 101.86 | 55.17 | 97.09 | 143.04 | – | – | – | – | – | – |
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 | 81.97 | 136.62 | 115.01 | 114.11 | 116.90 | 91.21 | 92.35 | 53.58 | 42.38 | 2.46 | 7.00 | 1.38 | 0.32 | 0.08 | 0.09 | 0.09 | 0.04 | 2.31 | 1.61 | 48.63 | 78.03 | 92.78 | 83.36 | 112.97 |
| R80mm/hari | 5.46 | 8.54 | 8.21 | 8.15 | 7.79 | 5.70 | 6.16 | 3.57 | 2.83 | 0.15 | 0.47 | 0.09 | 0.02 | 0.00 | 0.01 | 0.01 | 0.00 | 0.15 | 0.11 | 3.04 | 5.20 | 6.19 | 5.56 | 7.06 |
| Reff Padimm/hari | 3.83 | 5.98 | 5.75 | 5.71 | 5.46 | 3.99 | 4.31 | 2.50 | 1.98 | 0.11 | 0.33 | 0.06 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.07 | 2.13 | 3.64 | 4.33 | 3.89 | 4.94 |
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.