HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Ngrandu, Kec. Geyer, Grobogan, Prov. Jawa Tengah
GPM01D_E11095_S0725
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.39
mm/hari
Reff Padi Rata-rata
2.37
mm/hari
Reff Padi Maksimum
5.68
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 | 60.67 | 117.82 | 152.49 | 319.54 | 121.88 | 239.44 | 192.78 | 118.70 | 51.65 | 5.73 | 99.87 | 66.10 | 48.20 | 99.94 | 22.40 | 17.74 | 2.02 | 83.27 | 95.70 | 154.38 | 124.02 | 124.56 | 49.99 | 216.25 |
| 1999 | 74.19 | 229.08 | 83.56 | 188.35 | 237.44 | 85.32 | 159.96 | 37.22 | 49.63 | 4.15 | 10.06 | 70.04 | 35.86 | 14.23 | 28.96 | 10.91 | 8.25 | 33.14 | 143.99 | 161.35 | 215.98 | 98.74 | 118.18 | 223.41 |
| 2000 | 167.68 | 210.85 | 118.87 | 74.77 | 109.49 | 159.64 | 186.78 | 103.08 | 46.58 | 203.32 | 26.12 | 18.72 | 14.34 | 29.58 | 1.00 | 50.96 | 26.56 | 55.45 | 102.70 | 102.72 | 323.85 | 124.95 | 94.53 | 72.50 |
| 2001 | 114.74 | 271.12 | 232.19 | 99.23 | 260.91 | 215.20 | 291.65 | 61.02 | 35.52 | 81.96 | 224.64 | 1.68 | 32.97 | 56.14 | 0.00 | 13.25 | 21.18 | 49.49 | 49.58 | 158.76 | 106.03 | 210.93 | 65.75 | 111.81 |
| 2002 | 62.51 | 365.22 | 145.49 | 202.56 | 132.54 | 184.48 | 178.02 | 30.15 | 81.46 | 0.12 | 17.74 | 0.02 | 0.03 | 32.01 | 16.20 | 0.00 | 4.69 | 0.85 | 0.42 | 65.74 | 181.32 | 174.61 | 191.84 | 160.13 |
| 2003 | 62.35 | 177.26 | 250.73 | 207.68 | 118.49 | 138.68 | 50.89 | 48.43 | 103.64 | 10.60 | 2.23 | 3.62 | 0.05 | 0.04 | 0.71 | 1.77 | 22.29 | 32.19 | 81.58 | 77.43 | 55.22 | 210.28 | 279.98 | 127.93 |
| 2004 | 97.30 | 247.54 | 195.80 | 203.23 | 182.93 | 69.52 | 59.74 | 131.75 | 31.63 | 104.18 | 35.02 | 6.50 | 29.91 | 35.84 | 1.01 | 0.07 | 13.88 | 21.95 | 0.86 | 76.63 | 115.14 | 255.49 | 99.27 | 236.62 |
| 2005 | 67.24 | 133.98 | 26.40 | 251.08 | 125.32 | 212.86 | 258.02 | 22.18 | 97.71 | 1.29 | 51.64 | 185.44 | 61.56 | 14.87 | 56.56 | 15.81 | 16.22 | 98.91 | 50.73 | 134.17 | 27.64 | 216.78 | 113.25 | 205.53 |
| 2006 | 212.04 | 321.80 | 143.97 | 222.57 | 62.63 | 189.89 | 122.51 | 95.33 | 100.68 | 95.67 | 4.01 | 2.91 | 0.44 | 4.65 | 0.56 | 0.00 | 0.00 | 2.02 | 0.00 | 22.32 | 87.06 | 73.63 | 79.89 | 210.12 |
| 2007 | 22.59 | 95.09 | 91.52 | 289.23 | 228.69 | 153.15 | 150.34 | 144.03 | 25.56 | 74.19 | 13.74 | 26.26 | 3.58 | 9.95 | 0.14 | 13.10 | 2.53 | 4.06 | 18.99 | 107.10 | 237.02 | 30.88 | 93.80 | 406.26 |
| 2008 | 146.64 | 173.09 | 158.66 | 288.92 | 275.74 | 233.19 | 112.79 | 33.18 | 98.30 | 0.00 | 17.94 | 0.00 | 0.00 | 0.70 | 17.80 | 33.16 | 6.52 | 4.39 | 129.94 | 87.24 | 372.39 | 104.62 | 185.73 | 121.99 |
| 2009 | 179.79 | 173.31 | 234.54 | 214.27 | 110.19 | 84.55 | 68.27 | 111.55 | 95.04 | 194.46 | 43.87 | 1.08 | 32.95 | 7.66 | 3.57 | 8.50 | 6.56 | 7.24 | 21.85 | 25.29 | 77.19 | 97.34 | 30.18 | 223.84 |
| 2010 | 291.16 | 220.78 | 123.07 | 303.11 | 264.64 | 215.58 | 113.35 | 174.34 | 186.37 | 169.01 | 131.12 | 46.14 | 49.58 | 92.68 | 19.64 | 163.76 | 147.10 | 109.74 | 96.45 | 212.17 | 109.64 | 140.22 | 278.01 | 164.68 |
| 2011 | 108.40 | 184.41 | 138.23 | 86.10 | 97.79 | 187.42 | 128.69 | 111.86 | 145.00 | 8.16 | 3.21 | 66.42 | 2.41 | 13.37 | 0.00 | 0.00 | 12.90 | 0.08 | 3.17 | 111.55 | 225.55 | 230.75 | 136.88 | 197.48 |
| 2012 | 261.16 | 136.05 | 137.39 | 113.73 | 147.11 | 93.82 | 89.60 | 70.00 | 74.74 | 2.61 | 58.73 | 41.15 | 0.32 | 0.14 | 0.00 | 0.08 | 3.38 | 6.93 | 46.46 | 100.30 | 97.21 | 172.15 | 143.81 | 210.68 |
| 2013 | 275.14 | 128.36 | 92.64 | 293.07 | 207.54 | 101.53 | 258.21 | 100.98 | 27.24 | 149.70 | 223.92 | 31.16 | 90.03 | 24.66 | 0.00 | 29.52 | 1.52 | 0.17 | 6.06 | 125.00 | 80.48 | 89.20 | 197.50 | 112.65 |
| 2014 | 250.37 | 164.61 | 114.13 | 133.75 | 201.42 | 134.26 | 120.09 | 67.68 | 48.42 | 51.64 | 20.57 | 60.06 | 47.88 | 66.93 | 6.00 | 4.19 | 0.02 | 0.07 | 25.29 | 24.08 | 98.87 | 108.90 | 114.44 | 164.11 |
| 2015 | 109.12 | 185.56 | 201.98 | 97.43 | 145.85 | 179.62 | 178.68 | 105.50 | 148.45 | 0.70 | 28.96 | 1.70 | 0.00 | 0.00 | 2.48 | 0.00 | 0.03 | 0.06 | 0.00 | 12.43 | 169.44 | 153.22 | 157.99 | 75.84 |
| 2016 | 80.75 | 165.49 | 256.77 | 117.23 | 99.02 | 126.31 | 177.68 | 36.23 | 74.73 | 113.07 | 42.09 | 69.84 | 18.54 | 77.80 | 23.00 | 54.85 | 36.44 | 301.47 | 108.38 | 136.73 | 151.46 | 112.85 | 120.52 | 125.13 |
| 2017 | 79.07 | 207.62 | 191.34 | 184.65 | 172.71 | 131.45 | 139.05 | 114.05 | 97.75 | 71.21 | 47.11 | 59.36 | 3.98 | 21.21 | 0.51 | 1.13 | 0.00 | 76.49 | 141.27 | 134.96 | 135.88 | 253.09 | 125.42 | 111.29 |
| 2018 | 140.54 | 146.32 | 186.87 | 335.32 | 240.98 | 89.81 | 21.54 | 89.28 | 7.46 | 53.80 | 0.30 | 49.30 | 0.00 | 0.00 | 2.01 | 2.95 | 6.41 | 17.62 | 21.51 | 21.20 | 121.36 | 97.26 | 236.95 | 72.51 |
| 2019 | 90.68 | 231.49 | 135.83 | 158.20 | 157.57 | 190.64 | 194.30 | 133.64 | 68.74 | 0.29 | 2.95 | 0.00 | 12.26 | 0.00 | 0.29 | 0.67 | 0.20 | 5.64 | 4.45 | 59.96 | 93.41 | 55.28 | 110.90 | 250.56 |
| 2020 | 209.70 | 79.41 | 152.28 | 221.57 | 307.68 | 105.64 | 173.56 | 84.85 | 80.70 | 117.72 | 30.18 | 3.06 | 40.90 | 0.07 | 71.70 | 0.69 | 11.82 | 67.09 | 61.87 | 156.84 | 62.16 | 149.58 | 265.61 | 151.21 |
| 2021 | 133.78 | 151.13 | 308.15 | 244.15 | 174.13 | 230.99 | 166.16 | 0.24 | 79.71 | 52.61 | 37.12 | 87.47 | 2.09 | 3.23 | 95.74 | 24.78 | 35.59 | 117.69 | 5.89 | 135.46 | 165.79 | 181.57 | 196.26 | 173.76 |
| 2022 | 119.15 | 158.27 | 177.56 | 86.65 | 153.21 | 134.13 | 105.75 | 124.67 | 83.79 | 116.30 | 125.70 | 69.69 | 95.94 | 54.70 | 72.75 | 2.83 | 66.80 | 41.46 | 175.92 | 134.82 | 150.43 | 145.91 | 56.41 | 258.73 |
| 2023 | 152.22 | 109.81 | 192.37 | 177.91 | 164.17 | 121.35 | 125.40 | 97.88 | 126.42 | 0.00 | 5.15 | 0.47 | 9.46 | 0.00 | 0.00 | 0.00 | 0.00 | 11.73 | 6.81 | 59.81 | 150.07 | 89.90 | 202.16 | 53.42 |
| 2024 | 158.67 | 108.79 | 167.89 | 122.27 | 352.37 | 45.92 | 205.75 | 123.18 | 6.91 | 55.87 | 100.96 | 0.00 | 36.06 | 15.77 | 38.53 | 1.95 | 12.92 | 88.89 | 81.68 | 47.90 | 120.69 | 149.46 | 206.62 | 121.06 |
| 2025 | 107.73 | 277.23 | 111.65 | 206.12 | 276.29 | 128.79 | 90.44 | 48.79 | 172.93 | 252.35 | 30.79 | 36.33 | 41.58 | 20.47 | 58.80 | 55.28 | 113.07 | 131.24 | – | – | – | – | – | – |
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 | 72.80 | 126.25 | 113.63 | 110.83 | 116.83 | 93.01 | 90.27 | 37.02 | 34.74 | 1.17 | 4.92 | 0.96 | 0.26 | 0.06 | 0.11 | 0.05 | 0.17 | 1.79 | 3.93 | 38.85 | 84.43 | 94.31 | 88.23 | 111.60 |
| R80mm/hari | 4.85 | 7.89 | 8.12 | 7.92 | 7.79 | 5.81 | 6.02 | 2.47 | 2.32 | 0.07 | 0.33 | 0.06 | 0.02 | 0.00 | 0.01 | 0.00 | 0.01 | 0.12 | 0.26 | 2.43 | 5.63 | 6.29 | 5.88 | 6.98 |
| Reff Padimm/hari | 3.40 | 5.52 | 5.68 | 5.54 | 5.45 | 4.07 | 4.21 | 1.73 | 1.62 | 0.05 | 0.23 | 0.04 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.08 | 0.18 | 1.70 | 3.94 | 4.40 | 4.12 | 4.88 |
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.