HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Besilam, Kec. Padang Tualang, Langkat, Prov. Sumatera Utara
GPM01D_E09835_N0385
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.17
mm/hari
Reff Padi Rata-rata
3.62
mm/hari
Reff Padi Maksimum
7.05
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 | 103.94 | 96.38 | 17.62 | 13.44 | 68.10 | 28.83 | 56.98 | 16.91 | 64.94 | 128.50 | 180.61 | 104.64 | 116.12 | 252.46 | 203.15 | 366.77 | 172.69 | 130.02 | 133.81 | 473.93 | 186.47 | 190.62 | 147.26 | 388.55 |
| 1999 | 154.83 | 191.97 | 176.20 | 198.69 | 105.04 | 141.68 | 226.67 | 178.18 | 199.23 | 168.57 | 230.00 | 51.95 | 123.44 | 30.82 | 48.69 | 158.24 | 134.03 | 329.06 | 182.62 | 313.24 | 181.53 | 180.68 | 389.99 | 64.11 |
| 2000 | 164.32 | 69.69 | 71.58 | 108.79 | 124.49 | 220.01 | 141.50 | 103.08 | 171.58 | 83.40 | 82.18 | 114.92 | 26.49 | 135.48 | 177.43 | 105.35 | 168.97 | 416.00 | 171.75 | 281.97 | 136.65 | 155.36 | 32.21 | 195.17 |
| 2001 | 233.92 | 107.48 | 69.42 | 44.10 | 122.89 | 137.84 | 84.19 | 157.95 | 270.77 | 157.73 | 111.86 | 148.54 | 43.87 | 135.74 | 104.49 | 267.25 | 180.13 | 132.20 | 225.83 | 446.34 | 224.33 | 234.77 | 151.28 | 305.35 |
| 2002 | 19.10 | 126.71 | 9.50 | 56.79 | 8.78 | 127.37 | 81.40 | 77.28 | 179.12 | 69.93 | 74.17 | 79.72 | 108.66 | 102.71 | 104.25 | 62.16 | 164.30 | 271.64 | 148.92 | 189.99 | 94.76 | 113.54 | 41.46 | 177.52 |
| 2003 | 84.53 | 183.24 | 84.68 | 100.76 | 51.58 | 179.54 | 196.03 | 52.65 | 251.68 | 10.46 | 52.89 | 185.45 | 180.71 | 81.89 | 99.78 | 218.27 | 165.80 | 225.35 | 345.56 | 149.68 | 150.68 | 132.98 | 230.30 | 55.36 |
| 2004 | 153.75 | 63.53 | 48.97 | 115.56 | 150.01 | 69.72 | 50.27 | 103.53 | 87.34 | 126.21 | 177.28 | 87.39 | 102.52 | 146.08 | 62.43 | 127.56 | 205.80 | 257.66 | 249.26 | 194.89 | 173.54 | 22.33 | 141.19 | 68.13 |
| 2005 | 218.72 | 56.49 | 21.31 | 49.31 | 21.31 | 113.72 | 79.28 | 55.26 | 109.04 | 122.61 | 79.29 | 145.07 | 151.50 | 128.48 | 70.59 | 196.28 | 150.63 | 161.63 | 174.29 | 253.53 | 140.74 | 209.44 | 252.14 | 149.08 |
| 2006 | 213.93 | 4.95 | 149.58 | 101.31 | 12.49 | 182.37 | 119.25 | 173.70 | 217.51 | 119.40 | 151.11 | 242.85 | 92.78 | 127.73 | 134.38 | 140.61 | 125.96 | 192.50 | 170.59 | 231.26 | 128.38 | 104.65 | 94.57 | 294.39 |
| 2007 | 141.29 | 55.49 | 13.96 | 72.49 | 28.66 | 81.82 | 46.47 | 207.90 | 274.57 | 123.01 | 76.55 | 99.21 | 78.92 | 274.52 | 36.13 | 197.82 | 205.22 | 114.89 | 119.20 | 371.78 | 167.50 | 325.37 | 167.92 | 125.96 |
| 2008 | 20.68 | 77.23 | 47.27 | 46.27 | 97.19 | 169.75 | 53.21 | 171.15 | 170.79 | 66.98 | 62.60 | 106.40 | 135.95 | 182.90 | 105.09 | 200.27 | 203.39 | 184.31 | 210.98 | 309.73 | 139.73 | 218.03 | 211.37 | 131.48 |
| 2009 | 251.09 | 33.91 | 13.84 | 87.58 | 212.26 | 189.65 | 150.80 | 74.96 | 267.12 | 101.79 | 50.88 | 61.67 | 76.40 | 100.46 | 56.29 | 239.60 | 124.92 | 222.74 | 164.96 | 162.57 | 165.66 | 134.60 | 117.33 | 81.45 |
| 2010 | 126.96 | 106.69 | 15.96 | 53.65 | 101.41 | 85.99 | 81.32 | 67.52 | 83.99 | 87.54 | 150.72 | 151.43 | 65.22 | 158.90 | 137.99 | 112.57 | 127.61 | 162.73 | 170.03 | 159.19 | 189.98 | 228.53 | 214.78 | 122.60 |
| 2011 | 156.83 | 81.20 | 24.20 | 56.13 | 141.62 | 268.98 | 142.57 | 67.33 | 59.66 | 160.30 | 154.88 | 73.51 | 75.25 | 101.40 | 76.37 | 247.89 | 189.60 | 139.09 | 216.68 | 246.01 | 139.86 | 167.48 | 130.70 | 268.77 |
| 2012 | 109.15 | 83.84 | 51.39 | 92.98 | 145.56 | 99.33 | 162.30 | 92.63 | 239.20 | 259.29 | 47.24 | 41.67 | 92.56 | 179.34 | 47.79 | 145.66 | 155.81 | 111.99 | 135.69 | 153.22 | 136.01 | 178.44 | 146.35 | 133.16 |
| 2013 | 38.18 | 251.88 | 60.48 | 207.54 | 99.32 | 17.06 | 108.78 | 127.67 | 62.89 | 120.83 | 315.07 | 70.98 | 126.46 | 48.63 | 125.25 | 175.35 | 195.31 | 141.06 | 263.84 | 269.50 | 119.98 | 143.90 | 215.74 | 235.68 |
| 2014 | 89.29 | 0.02 | 3.94 | 53.45 | 5.09 | 74.62 | 89.09 | 18.51 | 86.83 | 131.96 | 89.57 | 41.77 | 57.33 | 100.16 | 114.30 | 174.05 | 151.41 | 226.06 | 144.13 | 217.56 | 127.28 | 124.65 | 115.34 | 323.80 |
| 2015 | 164.71 | 24.12 | 49.19 | 44.14 | 29.05 | 51.03 | 38.14 | 97.36 | 68.99 | 115.53 | 142.31 | 23.32 | 143.11 | 51.75 | 164.86 | 70.47 | 144.24 | 150.26 | 111.70 | 231.86 | 91.90 | 182.82 | 149.80 | 98.27 |
| 2016 | 47.61 | 142.52 | 192.32 | 28.93 | 7.54 | 83.55 | 27.48 | 41.29 | 112.66 | 123.50 | 103.14 | 110.11 | 126.27 | 177.88 | 57.16 | 229.98 | 255.93 | 273.45 | 232.19 | 268.80 | 154.11 | 62.28 | 163.53 | 109.16 |
| 2017 | 134.42 | 150.56 | 64.95 | 68.63 | 64.29 | 66.65 | 125.01 | 42.61 | 82.19 | 151.60 | 36.07 | 142.77 | 130.07 | 58.91 | 184.58 | 207.64 | 180.54 | 233.39 | 394.31 | 98.64 | 188.58 | 139.39 | 226.47 | 167.96 |
| 2018 | 166.01 | 90.06 | 2.30 | 92.62 | 21.62 | 104.07 | 41.05 | 180.39 | 94.88 | 105.31 | 35.16 | 155.71 | 78.49 | 135.96 | 74.42 | 174.98 | 138.16 | 143.77 | 311.11 | 189.85 | 152.74 | 94.33 | 114.69 | 110.90 |
| 2019 | 26.77 | 147.04 | 12.85 | 92.57 | 33.65 | 68.45 | 75.51 | 92.56 | 224.93 | 166.23 | 123.38 | 87.74 | 34.48 | 101.51 | 60.76 | 105.79 | 121.23 | 151.74 | 183.62 | 223.25 | 253.65 | 40.98 | 244.92 | 38.26 |
| 2020 | 5.70 | 161.62 | 28.78 | 77.05 | 49.03 | 52.00 | 66.27 | 198.89 | 230.26 | 117.30 | 132.16 | 143.57 | 90.51 | 92.72 | 71.84 | 85.34 | 257.63 | 152.88 | 166.66 | 169.39 | 96.92 | 229.72 | 200.10 | 251.79 |
| 2021 | 331.28 | 87.56 | 91.20 | 0.00 | 94.37 | 148.16 | 42.02 | 110.40 | 62.19 | 77.74 | 125.72 | 122.23 | 169.69 | 43.70 | 187.83 | 218.22 | 164.42 | 121.61 | 58.48 | 376.32 | 186.67 | 229.26 | 106.00 | 313.85 |
| 2022 | 155.30 | 37.62 | 92.53 | 209.24 | 119.41 | 103.46 | 57.96 | 77.59 | 193.49 | 71.66 | 200.89 | 197.07 | 100.92 | 91.72 | 112.23 | 149.16 | 134.32 | 231.61 | 202.97 | 297.58 | 260.45 | 151.95 | 417.00 | 72.74 |
| 2023 | 102.78 | 200.32 | 48.15 | 44.78 | 173.97 | 62.59 | 44.14 | 63.05 | 44.11 | 266.82 | 157.81 | 60.97 | 68.92 | 124.78 | 139.34 | 163.09 | 139.03 | 101.11 | 128.24 | 214.39 | 168.80 | 258.31 | 160.54 | 208.96 |
| 2024 | 136.23 | 141.82 | 34.00 | 114.97 | 33.56 | 88.82 | 97.39 | 79.40 | 113.71 | 142.87 | 106.93 | 196.05 | 79.20 | 29.45 | 113.54 | 250.68 | 223.60 | 138.52 | 228.38 | 154.35 | 104.09 | 240.88 | 136.89 | 116.79 |
| 2025 | 157.74 | 176.91 | 19.57 | 82.71 | 78.42 | 106.57 | 144.39 | 141.66 | 100.18 | 111.51 | 133.05 | 79.50 | 134.14 | 48.23 | 189.22 | 179.38 | 207.18 | 97.32 | – | – | – | – | – | – |
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 | 45.72 | 51.92 | 13.93 | 44.65 | 21.56 | 65.83 | 46.00 | 54.73 | 68.18 | 82.26 | 60.65 | 61.53 | 68.18 | 51.13 | 60.04 | 111.21 | 134.26 | 128.33 | 134.94 | 161.22 | 124.36 | 109.98 | 115.08 | 77.97 |
| R80mm/hari | 3.05 | 3.24 | 1.00 | 3.19 | 1.44 | 4.11 | 3.07 | 3.65 | 4.55 | 5.14 | 4.04 | 4.10 | 4.55 | 3.20 | 4.00 | 6.95 | 8.95 | 8.56 | 9.00 | 10.08 | 8.29 | 7.33 | 7.67 | 4.87 |
| Reff Padimm/hari | 2.13 | 2.27 | 0.70 | 2.23 | 1.01 | 2.88 | 2.15 | 2.55 | 3.18 | 3.60 | 2.83 | 2.87 | 3.18 | 2.24 | 2.80 | 4.87 | 6.27 | 5.99 | 6.30 | 7.05 | 5.80 | 5.13 | 5.37 | 3.41 |
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.