HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Ulak Kedondong, Kec. Cengal, Ogan Komering Ilir, Prov. Sumatera Selatan
GPM01D_E10565_S0345
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.72
mm/hari
Reff Padi Rata-rata
2.61
mm/hari
Reff Padi Maksimum
5.32
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 | 78.77 | 160.54 | 131.06 | 167.43 | 180.59 | 141.88 | 164.66 | 43.45 | 182.18 | 47.41 | 98.60 | 88.86 | 70.24 | 151.90 | 105.10 | 112.09 | 37.77 | 149.02 | 62.73 | 177.56 | 193.52 | 197.69 | 268.85 | 113.97 |
| 1999 | 172.48 | 214.94 | 81.46 | 169.56 | 213.87 | 127.96 | 83.31 | 85.78 | 114.75 | 78.61 | 65.59 | 33.04 | 115.84 | 17.09 | 33.03 | 37.59 | 11.93 | 80.48 | 121.80 | 130.46 | 167.00 | 141.36 | 182.62 | 188.08 |
| 2000 | 119.05 | 128.50 | 92.04 | 102.90 | 110.85 | 79.20 | 174.43 | 166.73 | 97.65 | 42.65 | 70.12 | 139.93 | 40.16 | 58.39 | 138.58 | 5.49 | 28.60 | 81.33 | 39.67 | 257.32 | 80.21 | 179.52 | 188.49 | 192.59 |
| 2001 | 93.67 | 343.74 | 121.15 | 184.16 | 167.14 | 180.28 | 179.18 | 129.78 | 47.50 | 143.48 | 84.18 | 44.70 | 3.78 | 72.15 | 75.23 | 36.45 | 12.93 | 160.30 | 132.42 | 239.39 | 122.07 | 256.55 | 254.85 | 201.77 |
| 2002 | 82.75 | 295.30 | 54.38 | 125.32 | 100.08 | 269.05 | 166.98 | 114.78 | 179.47 | 6.14 | 44.42 | 46.44 | 140.94 | 33.33 | 5.63 | 1.45 | 12.38 | 5.93 | 0.96 | 1.84 | 18.17 | 218.97 | 114.35 | 187.23 |
| 2003 | 80.02 | 220.06 | 159.42 | 120.14 | 94.19 | 114.03 | 92.20 | 216.68 | 105.04 | 2.49 | 0.09 | 22.25 | 42.37 | 5.55 | 7.19 | 47.27 | 32.34 | 70.20 | 81.52 | 173.01 | 76.70 | 325.19 | 245.05 | 89.91 |
| 2004 | 108.77 | 206.77 | 107.30 | 109.23 | 207.64 | 112.31 | 81.03 | 90.78 | 99.42 | 103.52 | 48.50 | 15.98 | 92.81 | 43.06 | 5.27 | 1.37 | 8.13 | 12.92 | 9.38 | 102.69 | 21.68 | 196.12 | 219.69 | 75.51 |
| 2005 | 261.58 | 60.41 | 122.81 | 124.48 | 110.12 | 211.97 | 119.10 | 91.98 | 167.43 | 64.89 | 108.08 | 77.69 | 75.05 | 85.98 | 21.36 | 79.00 | 75.64 | 72.25 | 46.14 | 119.02 | 69.92 | 271.82 | 114.24 | 200.69 |
| 2006 | 235.89 | 132.99 | 119.08 | 214.28 | 71.15 | 357.34 | 148.04 | 108.78 | 101.64 | 68.15 | 177.56 | 46.28 | 2.36 | 79.96 | 17.15 | 0.05 | 5.15 | 0.38 | 0.00 | 0.81 | 19.69 | 77.11 | 129.27 | 120.08 |
| 2007 | 382.99 | 160.92 | 20.24 | 173.03 | 47.32 | 184.39 | 113.95 | 214.96 | 116.41 | 43.03 | 112.52 | 33.67 | 93.06 | 86.91 | 3.54 | 67.14 | 65.12 | 2.51 | 23.94 | 94.54 | 116.46 | 24.15 | 107.25 | 184.04 |
| 2008 | 119.29 | 181.21 | 41.38 | 132.63 | 190.59 | 180.00 | 156.18 | 72.95 | 26.58 | 94.09 | 56.38 | 9.00 | 85.46 | 18.04 | 34.12 | 112.97 | 98.66 | 0.82 | 105.10 | 107.89 | 126.02 | 287.08 | 154.13 | 132.04 |
| 2009 | 165.39 | 117.49 | 125.31 | 135.21 | 390.06 | 76.10 | 179.40 | 93.55 | 81.69 | 27.46 | 92.50 | 51.35 | 10.39 | 42.31 | 0.26 | 60.88 | 19.95 | 1.58 | 133.79 | 37.50 | 63.31 | 207.77 | 101.12 | 235.35 |
| 2010 | 209.35 | 204.07 | 217.07 | 134.81 | 181.69 | 352.96 | 276.32 | 32.80 | 124.27 | 133.17 | 80.16 | 174.00 | 81.43 | 109.25 | 129.68 | 106.58 | 185.95 | 97.34 | 174.19 | 137.13 | 267.92 | 92.51 | 128.49 | 177.06 |
| 2011 | 46.11 | 211.29 | 116.81 | 155.23 | 163.01 | 194.30 | 192.81 | 128.25 | 49.41 | 165.33 | 46.36 | 105.51 | 7.77 | 25.01 | 5.97 | 16.84 | 0.42 | 8.86 | 76.35 | 117.25 | 152.02 | 120.79 | 108.82 | 174.49 |
| 2012 | 120.01 | 177.48 | 248.26 | 112.70 | 156.65 | 106.92 | 202.47 | 94.31 | 34.40 | 247.09 | 179.57 | 29.47 | 80.38 | 0.76 | 3.71 | 51.42 | 3.41 | 1.87 | 66.09 | 96.42 | 153.71 | 201.07 | 209.97 | 226.80 |
| 2013 | 182.35 | 157.10 | 146.15 | 169.05 | 255.10 | 168.27 | 200.07 | 115.03 | 139.68 | 45.50 | 80.18 | 80.14 | 111.64 | 102.19 | 131.99 | 20.02 | 188.11 | 12.20 | 31.21 | 92.60 | 115.95 | 128.54 | 185.03 | 210.79 |
| 2014 | 238.99 | 22.12 | 27.76 | 60.62 | 32.63 | 150.95 | 164.79 | 108.06 | 37.97 | 107.80 | 94.31 | 44.26 | 74.60 | 37.77 | 59.46 | 2.52 | 0.11 | 0.33 | 0.14 | 25.29 | 49.69 | 191.36 | 161.93 | 184.55 |
| 2015 | 174.25 | 102.33 | 57.62 | 78.99 | 145.43 | 98.16 | 129.34 | 168.99 | 70.65 | 14.38 | 78.47 | 0.30 | 16.58 | 1.17 | 13.69 | 1.79 | 0.00 | 0.21 | 0.00 | 0.42 | 14.77 | 144.70 | 102.47 | 151.05 |
| 2016 | 115.44 | 137.51 | 154.77 | 208.80 | 164.26 | 174.90 | 173.72 | 139.64 | 105.07 | 71.38 | 80.47 | 49.70 | 11.87 | 80.41 | 25.46 | 161.09 | 33.41 | 118.23 | 133.30 | 86.39 | 145.24 | 97.27 | 124.82 | 110.03 |
| 2017 | 242.02 | 116.33 | 150.40 | 170.87 | 143.23 | 168.45 | 200.58 | 107.50 | 170.58 | 89.73 | 77.05 | 82.30 | 215.77 | 55.20 | 34.21 | 72.84 | 11.10 | 94.19 | 81.77 | 120.16 | 111.89 | 119.98 | 264.24 | 109.85 |
| 2018 | 95.54 | 87.69 | 38.01 | 188.01 | 188.65 | 176.99 | 127.70 | 132.05 | 59.47 | 164.46 | 40.66 | 246.04 | 20.46 | 1.61 | 2.32 | 36.23 | 30.07 | 104.31 | 42.31 | 29.92 | 122.53 | 143.77 | 161.76 | 106.05 |
| 2019 | 153.70 | 106.69 | 153.90 | 148.17 | 160.52 | 198.70 | 183.24 | 191.50 | 53.26 | 84.66 | 62.75 | 43.94 | 0.25 | 100.46 | 3.52 | 6.47 | 3.12 | 2.37 | 27.53 | 10.15 | 37.66 | 41.78 | 104.53 | 150.76 |
| 2020 | 114.04 | 123.90 | 141.37 | 75.55 | 93.19 | 331.24 | 227.67 | 117.21 | 149.20 | 91.11 | 129.41 | 209.44 | 124.27 | 29.07 | 28.70 | 26.56 | 94.53 | 72.32 | 214.31 | 95.20 | 99.07 | 144.46 | 243.00 | 194.50 |
| 2021 | 90.52 | 188.36 | 91.03 | 82.24 | 107.67 | 220.27 | 113.81 | 13.42 | 125.40 | 37.01 | 21.40 | 89.00 | 113.95 | 10.12 | 51.64 | 195.10 | 95.86 | 81.19 | 42.86 | 82.31 | 172.07 | 187.86 | 168.80 | 172.11 |
| 2022 | 198.82 | 62.55 | 116.78 | 76.21 | 207.16 | 116.10 | 110.48 | 162.32 | 99.84 | 70.84 | 107.80 | 181.76 | 37.47 | 108.13 | 96.20 | 160.72 | 159.05 | 96.63 | 241.06 | 65.04 | 172.16 | 131.40 | 173.21 | 166.01 |
| 2023 | 120.66 | 135.82 | 112.20 | 95.31 | 115.54 | 140.34 | 147.36 | 121.70 | 184.68 | 93.31 | 184.29 | 31.46 | 188.94 | 13.75 | 0.32 | 1.90 | 1.74 | 1.25 | 1.80 | 4.66 | 28.58 | 161.14 | 120.01 | 119.28 |
| 2024 | 199.19 | 132.21 | 206.48 | 128.44 | 160.23 | 185.38 | 177.81 | 199.09 | 168.12 | 49.49 | 121.54 | 152.99 | 128.35 | 0.18 | 52.65 | 12.11 | 18.43 | 88.91 | 80.19 | 45.05 | 76.12 | 152.17 | 136.68 | 169.00 |
| 2025 | 161.44 | 170.48 | 14.02 | 210.99 | 180.35 | 183.41 | 114.13 | 137.86 | 78.00 | 159.38 | 113.00 | 149.87 | 100.47 | 1.95 | 61.35 | 96.08 | 59.10 | 135.28 | – | – | – | – | – | – |
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 | 93.04 | 105.81 | 51.78 | 92.69 | 98.90 | 113.69 | 113.92 | 89.78 | 52.49 | 41.52 | 48.07 | 31.06 | 11.57 | 4.83 | 3.68 | 2.40 | 3.35 | 1.51 | 6.35 | 19.23 | 34.02 | 110.89 | 112.07 | 112.39 |
| R80mm/hari | 6.20 | 6.61 | 3.70 | 6.62 | 6.59 | 7.11 | 7.59 | 5.99 | 3.50 | 2.59 | 3.20 | 2.07 | 0.77 | 0.30 | 0.25 | 0.15 | 0.22 | 0.10 | 0.42 | 1.20 | 2.27 | 7.39 | 7.47 | 7.02 |
| Reff Padimm/hari | 4.34 | 4.63 | 2.59 | 4.63 | 4.62 | 4.97 | 5.32 | 4.19 | 2.45 | 1.82 | 2.24 | 1.45 | 0.54 | 0.21 | 0.17 | 0.10 | 0.16 | 0.07 | 0.30 | 0.84 | 1.59 | 5.17 | 5.23 | 4.92 |
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.