HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Sungai Ketupak, Kec. Cengal, Ogan Komering Ilir, Prov. Sumatera Selatan
GPM01D_E10575_S0335
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.87
mm/hari
Reff Padi Rata-rata
2.71
mm/hari
Reff Padi Maksimum
5.52
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 | 59.19 | 173.33 | 153.09 | 93.94 | 122.84 | 174.02 | 245.42 | 41.25 | 206.74 | 45.05 | 90.54 | 115.45 | 94.33 | 144.53 | 102.33 | 102.73 | 27.82 | 176.36 | 76.02 | 180.80 | 158.38 | 239.79 | 228.98 | 134.96 |
| 1999 | 159.05 | 259.11 | 53.13 | 197.79 | 207.14 | 124.40 | 100.53 | 71.65 | 100.06 | 90.74 | 75.85 | 38.24 | 125.94 | 16.36 | 45.06 | 30.36 | 13.36 | 82.87 | 166.93 | 110.01 | 215.21 | 103.53 | 209.33 | 136.63 |
| 2000 | 123.54 | 133.59 | 97.26 | 100.08 | 99.63 | 94.25 | 176.10 | 139.79 | 88.05 | 77.92 | 84.36 | 157.27 | 45.52 | 66.46 | 140.79 | 2.74 | 51.56 | 47.42 | 34.41 | 230.48 | 110.04 | 165.09 | 187.51 | 183.51 |
| 2001 | 111.34 | 343.32 | 132.50 | 155.31 | 182.10 | 145.79 | 187.17 | 147.88 | 43.92 | 172.15 | 112.37 | 44.72 | 6.38 | 81.36 | 70.55 | 50.34 | 16.51 | 149.76 | 139.83 | 259.53 | 94.04 | 308.31 | 277.69 | 194.31 |
| 2002 | 117.35 | 245.62 | 39.74 | 143.98 | 137.58 | 249.11 | 142.65 | 165.21 | 188.37 | 3.57 | 60.95 | 72.57 | 131.55 | 21.89 | 7.22 | 2.82 | 10.64 | 8.99 | 2.09 | 4.29 | 22.01 | 229.55 | 115.43 | 216.94 |
| 2003 | 106.88 | 204.67 | 194.24 | 94.25 | 142.28 | 94.72 | 99.40 | 231.41 | 129.43 | 2.38 | 0.02 | 28.84 | 48.20 | 10.40 | 6.09 | 44.37 | 43.44 | 78.50 | 99.83 | 209.97 | 58.00 | 392.99 | 250.01 | 109.30 |
| 2004 | 94.63 | 249.40 | 146.44 | 66.32 | 171.65 | 142.88 | 59.95 | 111.08 | 120.42 | 113.86 | 50.21 | 22.19 | 106.27 | 31.63 | 4.75 | 4.18 | 9.62 | 10.69 | 9.37 | 88.91 | 34.03 | 193.55 | 248.62 | 69.37 |
| 2005 | 237.73 | 57.88 | 88.51 | 135.08 | 122.82 | 197.15 | 98.48 | 137.63 | 149.45 | 85.18 | 122.03 | 95.32 | 78.64 | 81.65 | 33.37 | 76.87 | 58.37 | 89.51 | 66.42 | 125.35 | 121.02 | 171.48 | 129.02 | 206.57 |
| 2006 | 257.00 | 111.91 | 120.13 | 215.44 | 56.47 | 343.44 | 139.77 | 126.49 | 104.20 | 84.63 | 185.82 | 60.25 | 3.72 | 78.63 | 2.38 | 1.91 | 7.99 | 0.08 | 0.33 | 1.20 | 11.81 | 96.40 | 128.78 | 131.64 |
| 2007 | 379.18 | 167.81 | 10.03 | 256.84 | 29.24 | 197.57 | 126.35 | 164.61 | 143.42 | 38.38 | 142.95 | 39.04 | 145.03 | 88.40 | 2.86 | 83.00 | 76.31 | 3.93 | 52.11 | 88.36 | 98.75 | 40.76 | 85.76 | 208.27 |
| 2008 | 101.18 | 209.88 | 40.04 | 140.61 | 201.82 | 171.80 | 173.97 | 73.65 | 24.50 | 107.46 | 75.34 | 2.01 | 76.26 | 27.33 | 30.92 | 154.47 | 101.03 | 2.69 | 89.07 | 125.10 | 150.09 | 298.12 | 192.99 | 136.31 |
| 2009 | 201.48 | 77.38 | 91.91 | 135.06 | 336.06 | 108.03 | 169.78 | 80.41 | 80.06 | 35.54 | 97.42 | 66.23 | 24.61 | 31.47 | 0.32 | 56.23 | 13.24 | 5.15 | 149.98 | 47.17 | 67.43 | 188.97 | 94.20 | 238.26 |
| 2010 | 237.68 | 130.87 | 226.32 | 134.05 | 111.72 | 405.06 | 313.24 | 28.22 | 102.43 | 169.54 | 89.54 | 194.91 | 105.47 | 96.30 | 141.35 | 109.84 | 197.57 | 85.42 | 223.18 | 139.37 | 292.80 | 85.39 | 120.24 | 195.71 |
| 2011 | 57.55 | 204.31 | 130.59 | 141.53 | 114.26 | 230.13 | 191.85 | 123.28 | 57.17 | 186.54 | 72.30 | 116.04 | 11.39 | 33.83 | 10.48 | 15.70 | 1.50 | 24.43 | 98.58 | 102.14 | 178.73 | 101.63 | 129.84 | 158.03 |
| 2012 | 127.62 | 152.83 | 269.17 | 117.29 | 117.04 | 144.50 | 212.64 | 82.17 | 85.15 | 111.62 | 182.65 | 17.10 | 102.10 | 1.98 | 1.83 | 81.61 | 13.35 | 4.13 | 46.23 | 144.32 | 154.57 | 209.19 | 241.77 | 180.00 |
| 2013 | 245.61 | 126.11 | 109.39 | 189.28 | 306.82 | 121.80 | 216.51 | 93.23 | 126.67 | 55.40 | 95.74 | 64.26 | 151.40 | 93.69 | 140.05 | 25.26 | 143.45 | 7.55 | 30.01 | 110.10 | 120.07 | 135.32 | 199.57 | 217.19 |
| 2014 | 245.90 | 16.83 | 25.99 | 47.03 | 64.72 | 95.51 | 167.20 | 130.39 | 37.26 | 121.84 | 97.73 | 46.03 | 101.61 | 22.00 | 65.96 | 2.87 | 0.13 | 0.12 | 1.09 | 29.25 | 70.13 | 161.21 | 170.53 | 178.43 |
| 2015 | 187.15 | 78.10 | 54.29 | 95.61 | 108.92 | 124.42 | 118.09 | 167.77 | 80.92 | 9.13 | 82.55 | 1.28 | 17.60 | 1.98 | 14.05 | 1.39 | 0.00 | 0.72 | 0.01 | 0.83 | 10.25 | 172.56 | 99.68 | 140.30 |
| 2016 | 104.72 | 192.04 | 176.77 | 198.47 | 147.91 | 173.61 | 134.86 | 153.78 | 101.86 | 95.70 | 82.68 | 42.97 | 12.61 | 95.80 | 34.11 | 149.93 | 43.57 | 115.07 | 140.44 | 96.29 | 133.92 | 92.13 | 130.40 | 107.07 |
| 2017 | 190.64 | 127.30 | 171.86 | 129.10 | 111.37 | 151.28 | 176.55 | 130.09 | 188.82 | 83.45 | 73.03 | 76.84 | 209.33 | 74.23 | 52.81 | 64.35 | 11.02 | 96.14 | 92.04 | 108.47 | 98.89 | 139.33 | 235.33 | 113.10 |
| 2018 | 64.68 | 110.87 | 52.44 | 145.02 | 158.37 | 200.41 | 92.82 | 147.39 | 60.99 | 166.22 | 36.66 | 248.53 | 26.78 | 1.60 | 1.62 | 49.25 | 26.69 | 99.95 | 42.16 | 49.19 | 121.32 | 129.40 | 186.09 | 118.37 |
| 2019 | 125.71 | 119.42 | 169.76 | 146.56 | 95.09 | 222.53 | 153.13 | 195.19 | 74.39 | 89.84 | 69.94 | 39.80 | 0.00 | 104.44 | 2.13 | 4.78 | 3.65 | 7.70 | 21.78 | 17.85 | 44.71 | 44.69 | 103.00 | 172.01 |
| 2020 | 109.44 | 117.89 | 132.18 | 96.91 | 111.86 | 253.36 | 272.57 | 96.82 | 164.33 | 129.34 | 131.08 | 203.78 | 137.79 | 34.80 | 34.49 | 20.50 | 94.04 | 75.56 | 240.14 | 101.08 | 109.93 | 171.60 | 231.57 | 177.84 |
| 2021 | 114.28 | 148.20 | 121.53 | 34.21 | 111.31 | 176.76 | 107.15 | 26.20 | 147.88 | 52.90 | 23.98 | 88.67 | 131.91 | 15.02 | 51.00 | 211.27 | 78.81 | 91.47 | 61.10 | 93.75 | 194.96 | 154.03 | 170.29 | 177.12 |
| 2022 | 181.94 | 84.26 | 115.63 | 77.45 | 210.91 | 77.21 | 94.34 | 180.50 | 128.16 | 72.41 | 153.35 | 194.27 | 37.69 | 137.61 | 137.06 | 169.44 | 132.18 | 109.07 | 279.83 | 73.23 | 206.85 | 135.53 | 163.07 | 139.76 |
| 2023 | 119.12 | 140.93 | 86.26 | 107.83 | 64.71 | 164.91 | 155.52 | 103.68 | 200.02 | 106.76 | 205.66 | 34.99 | 176.94 | 28.40 | 6.95 | 22.63 | 3.42 | 1.26 | 4.20 | 12.80 | 40.66 | 162.27 | 139.68 | 111.27 |
| 2024 | 223.77 | 154.30 | 210.73 | 119.05 | 190.35 | 184.45 | 196.27 | 218.45 | 191.42 | 72.26 | 104.37 | 129.80 | 134.12 | 0.34 | 26.65 | 15.89 | 19.95 | 80.77 | 78.27 | 63.78 | 47.95 | 204.20 | 143.93 | 177.80 |
| 2025 | 157.40 | 195.75 | 13.85 | 242.17 | 196.59 | 146.94 | 113.74 | 118.50 | 53.32 | 164.01 | 123.56 | 149.21 | 98.56 | 1.90 | 85.42 | 96.03 | 72.85 | 128.61 | – | – | – | – | – | – |
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 | 104.01 | 105.55 | 49.96 | 94.19 | 98.72 | 119.05 | 100.30 | 79.06 | 60.23 | 43.71 | 68.14 | 33.76 | 16.60 | 8.72 | 2.76 | 3.92 | 7.12 | 3.68 | 7.30 | 24.69 | 43.09 | 99.53 | 118.31 | 116.26 |
| R80mm/hari | 6.93 | 6.60 | 3.57 | 6.73 | 6.58 | 7.44 | 6.69 | 5.27 | 4.02 | 2.73 | 4.54 | 2.25 | 1.11 | 0.54 | 0.18 | 0.24 | 0.47 | 0.25 | 0.49 | 1.54 | 2.87 | 6.64 | 7.89 | 7.27 |
| Reff Padimm/hari | 4.85 | 4.62 | 2.50 | 4.71 | 4.61 | 5.21 | 4.68 | 3.69 | 2.81 | 1.91 | 3.18 | 1.58 | 0.77 | 0.38 | 0.13 | 0.17 | 0.33 | 0.17 | 0.34 | 1.08 | 2.01 | 4.64 | 5.52 | 5.09 |
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.