HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Ulak Kedondong, Kec. Cengal, Ogan Komering Ilir, Prov. Sumatera Selatan
GPM01D_E10565_S0335
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.68
mm/hari
Reff Padi Rata-rata
2.58
mm/hari
Reff Padi Maksimum
5.86
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 | 51.01 | 177.88 | 158.24 | 97.41 | 149.72 | 141.39 | 183.62 | 37.11 | 185.74 | 47.59 | 74.16 | 104.29 | 74.64 | 148.00 | 92.90 | 104.35 | 26.88 | 164.59 | 65.54 | 164.00 | 162.33 | 220.09 | 209.84 | 133.58 |
| 1999 | 153.57 | 238.49 | 48.90 | 187.54 | 224.31 | 107.08 | 63.05 | 104.86 | 113.77 | 70.50 | 55.17 | 38.51 | 105.51 | 12.55 | 28.00 | 30.64 | 16.58 | 75.71 | 138.31 | 110.98 | 197.05 | 100.94 | 188.00 | 144.17 |
| 2000 | 123.44 | 124.92 | 83.16 | 110.42 | 95.62 | 87.60 | 174.35 | 178.88 | 101.20 | 43.25 | 70.77 | 151.64 | 38.44 | 60.55 | 135.63 | 2.11 | 49.44 | 55.63 | 28.59 | 237.61 | 93.81 | 165.41 | 188.92 | 174.53 |
| 2001 | 111.59 | 309.44 | 115.96 | 168.92 | 180.34 | 146.60 | 189.64 | 130.29 | 42.68 | 140.26 | 88.36 | 45.40 | 2.34 | 75.94 | 64.04 | 44.90 | 18.37 | 142.09 | 128.51 | 252.11 | 105.68 | 260.61 | 279.74 | 185.94 |
| 2002 | 103.40 | 241.86 | 37.10 | 142.30 | 115.38 | 285.08 | 128.86 | 160.49 | 181.34 | 3.17 | 50.26 | 45.60 | 115.98 | 36.32 | 5.92 | 1.64 | 8.74 | 7.73 | 0.92 | 4.20 | 22.35 | 218.42 | 128.67 | 180.09 |
| 2003 | 101.19 | 185.00 | 174.41 | 115.90 | 136.37 | 86.00 | 98.14 | 199.41 | 112.77 | 1.34 | 0.07 | 22.54 | 40.09 | 8.90 | 9.14 | 44.84 | 32.56 | 82.31 | 85.04 | 187.61 | 65.47 | 321.81 | 227.45 | 106.89 |
| 2004 | 86.86 | 221.07 | 144.06 | 70.50 | 165.48 | 151.39 | 73.62 | 83.54 | 109.78 | 95.51 | 48.57 | 17.85 | 107.62 | 26.82 | 6.91 | 0.83 | 9.08 | 13.57 | 8.43 | 95.25 | 33.93 | 178.07 | 228.62 | 67.32 |
| 2005 | 250.89 | 43.37 | 76.74 | 152.45 | 95.29 | 218.51 | 122.53 | 108.96 | 157.07 | 47.31 | 115.94 | 70.48 | 65.94 | 80.72 | 28.55 | 68.89 | 69.14 | 67.71 | 67.42 | 102.67 | 76.87 | 192.26 | 107.25 | 199.17 |
| 2006 | 240.36 | 116.04 | 126.16 | 195.89 | 64.96 | 346.14 | 147.39 | 112.24 | 94.54 | 71.19 | 146.38 | 60.75 | 0.07 | 77.02 | 2.61 | 0.00 | 7.48 | 0.13 | 0.00 | 5.40 | 11.30 | 98.72 | 162.31 | 84.82 |
| 2007 | 335.03 | 217.61 | 44.12 | 169.29 | 36.54 | 173.96 | 116.08 | 199.16 | 130.63 | 37.19 | 115.98 | 38.30 | 105.58 | 75.47 | 2.45 | 72.02 | 63.68 | 1.74 | 41.37 | 84.41 | 101.34 | 54.11 | 140.65 | 156.51 |
| 2008 | 103.37 | 220.41 | 36.71 | 144.10 | 193.15 | 170.17 | 170.97 | 78.37 | 20.15 | 91.42 | 56.48 | 1.60 | 73.63 | 26.09 | 24.25 | 160.64 | 93.99 | 1.21 | 84.45 | 125.66 | 162.65 | 289.74 | 166.18 | 129.71 |
| 2009 | 184.76 | 89.28 | 89.77 | 145.66 | 302.05 | 134.20 | 179.84 | 72.78 | 82.51 | 30.66 | 109.91 | 46.30 | 19.14 | 25.89 | 0.65 | 55.74 | 17.90 | 2.66 | 128.18 | 50.80 | 60.82 | 175.30 | 101.91 | 233.25 |
| 2010 | 239.29 | 129.24 | 215.12 | 161.65 | 155.67 | 361.66 | 364.75 | 18.69 | 99.17 | 136.71 | 85.67 | 168.07 | 94.01 | 97.29 | 118.05 | 116.85 | 191.18 | 118.05 | 173.64 | 138.35 | 262.93 | 106.98 | 130.33 | 186.62 |
| 2011 | 52.53 | 206.79 | 141.88 | 129.54 | 112.30 | 235.45 | 186.69 | 125.35 | 57.99 | 138.48 | 53.17 | 92.23 | 9.58 | 27.06 | 0.00 | 9.65 | 1.35 | 10.15 | 106.10 | 89.88 | 148.05 | 111.20 | 145.01 | 141.38 |
| 2012 | 116.16 | 156.77 | 261.11 | 110.17 | 119.87 | 132.41 | 194.96 | 89.08 | 52.21 | 136.68 | 188.92 | 16.02 | 90.84 | 1.17 | 0.98 | 68.76 | 7.88 | 3.63 | 22.92 | 135.98 | 157.87 | 189.94 | 231.15 | 200.85 |
| 2013 | 217.64 | 131.11 | 140.71 | 171.20 | 321.96 | 128.30 | 237.42 | 79.93 | 76.24 | 59.85 | 83.45 | 59.26 | 130.54 | 92.45 | 117.19 | 23.38 | 164.08 | 3.58 | 18.92 | 105.70 | 102.19 | 122.07 | 147.26 | 232.43 |
| 2014 | 220.00 | 18.74 | 36.56 | 45.15 | 35.72 | 104.88 | 146.15 | 146.47 | 36.18 | 92.49 | 81.62 | 42.47 | 85.65 | 28.89 | 58.62 | 1.89 | 0.09 | 0.35 | 0.37 | 28.39 | 51.07 | 179.35 | 162.35 | 168.06 |
| 2015 | 157.57 | 86.09 | 65.48 | 84.37 | 118.48 | 124.85 | 119.50 | 159.81 | 74.54 | 13.30 | 79.80 | 0.88 | 12.51 | 2.47 | 14.43 | 0.34 | 0.01 | 0.38 | 0.00 | 0.48 | 15.68 | 144.14 | 92.27 | 142.70 |
| 2016 | 117.52 | 154.71 | 159.48 | 209.05 | 155.78 | 175.35 | 157.23 | 119.96 | 97.44 | 75.92 | 75.66 | 44.44 | 11.29 | 79.51 | 19.48 | 143.20 | 19.95 | 129.01 | 110.86 | 111.21 | 146.77 | 81.35 | 123.09 | 92.32 |
| 2017 | 205.98 | 115.76 | 151.05 | 164.32 | 117.01 | 176.29 | 157.41 | 102.57 | 165.02 | 96.28 | 65.95 | 67.59 | 190.02 | 55.04 | 37.57 | 58.08 | 12.92 | 82.51 | 84.49 | 111.33 | 106.77 | 133.52 | 225.46 | 118.84 |
| 2018 | 84.95 | 84.20 | 52.78 | 144.95 | 186.32 | 166.50 | 114.22 | 124.31 | 59.98 | 152.91 | 34.87 | 226.70 | 20.26 | 1.23 | 2.50 | 51.61 | 35.52 | 81.32 | 39.44 | 41.05 | 110.94 | 158.47 | 182.30 | 121.67 |
| 2019 | 125.42 | 98.58 | 143.54 | 168.54 | 126.79 | 207.91 | 200.95 | 178.48 | 57.46 | 72.69 | 68.90 | 35.00 | 0.01 | 110.25 | 2.71 | 6.32 | 3.39 | 5.74 | 22.96 | 11.28 | 35.83 | 48.98 | 127.33 | 158.29 |
| 2020 | 90.84 | 131.57 | 122.84 | 78.73 | 107.63 | 226.59 | 292.89 | 91.45 | 132.31 | 118.87 | 112.00 | 193.01 | 122.51 | 35.36 | 29.81 | 24.43 | 89.12 | 68.97 | 229.89 | 85.35 | 102.33 | 155.17 | 194.61 | 192.67 |
| 2021 | 89.11 | 195.45 | 88.48 | 61.45 | 125.20 | 173.75 | 115.11 | 16.18 | 135.94 | 48.27 | 21.89 | 71.97 | 117.17 | 8.29 | 44.04 | 209.30 | 88.39 | 82.18 | 42.56 | 88.04 | 172.63 | 170.84 | 172.06 | 162.85 |
| 2022 | 194.39 | 64.98 | 107.13 | 67.62 | 179.24 | 90.83 | 125.91 | 173.08 | 86.77 | 64.81 | 112.27 | 178.61 | 35.43 | 107.00 | 118.96 | 159.38 | 124.33 | 98.05 | 239.51 | 61.65 | 197.41 | 126.31 | 167.46 | 142.27 |
| 2023 | 109.49 | 121.63 | 95.66 | 89.02 | 91.82 | 148.62 | 150.52 | 121.51 | 183.21 | 82.09 | 166.81 | 17.77 | 201.01 | 17.90 | 0.86 | 17.19 | 1.00 | 2.52 | 1.91 | 5.70 | 31.70 | 154.82 | 113.01 | 126.56 |
| 2024 | 197.62 | 166.03 | 211.97 | 134.35 | 189.70 | 184.67 | 202.76 | 179.89 | 172.21 | 61.18 | 109.17 | 131.97 | 126.07 | 0.02 | 24.17 | 11.90 | 20.69 | 87.92 | 70.83 | 51.48 | 44.37 | 177.58 | 132.80 | 175.58 |
| 2025 | 153.57 | 161.10 | 13.62 | 198.71 | 181.25 | 143.37 | 99.19 | 110.86 | 60.35 | 142.26 | 117.28 | 135.93 | 90.24 | 0.57 | 78.52 | 80.51 | 69.75 | 116.19 | – | – | – | – | – | – |
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 | 90.49 | 88.64 | 47.94 | 83.24 | 95.55 | 121.29 | 114.93 | 79.61 | 57.88 | 42.03 | 52.59 | 21.60 | 12.27 | 7.12 | 2.49 | 2.06 | 6.66 | 2.36 | 5.82 | 21.54 | 35.07 | 104.56 | 125.63 | 120.54 |
| R80mm/hari | 6.03 | 5.54 | 3.42 | 5.95 | 6.37 | 7.58 | 7.66 | 5.31 | 3.86 | 2.63 | 3.51 | 1.44 | 0.82 | 0.45 | 0.17 | 0.13 | 0.44 | 0.16 | 0.39 | 1.35 | 2.34 | 6.97 | 8.38 | 7.53 |
| Reff Padimm/hari | 4.22 | 3.88 | 2.40 | 4.16 | 4.46 | 5.31 | 5.36 | 3.72 | 2.70 | 1.84 | 2.45 | 1.01 | 0.57 | 0.31 | 0.12 | 0.09 | 0.31 | 0.11 | 0.27 | 0.94 | 1.64 | 4.88 | 5.86 | 5.27 |
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.