HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Pekan Besitang, Kec. Besitang, Langkat, Prov. Sumatera Utara
GPM01D_E09815_N0405
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.43
mm/hari
Reff Padi Rata-rata
3.80
mm/hari
Reff Padi Maksimum
7.58
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 | 149.75 | 52.79 | 18.61 | 2.80 | 61.64 | 21.35 | 54.83 | 3.31 | 33.84 | 204.82 | 161.05 | 104.52 | 102.95 | 232.77 | 267.02 | 309.53 | 195.49 | 159.28 | 153.48 | 401.09 | 157.28 | 251.16 | 193.82 | 445.80 |
| 1999 | 190.79 | 130.03 | 176.64 | 111.42 | 115.09 | 138.75 | 207.31 | 143.29 | 161.44 | 168.63 | 142.30 | 103.54 | 134.86 | 15.57 | 49.72 | 144.30 | 193.29 | 246.54 | 209.40 | 290.33 | 170.06 | 204.57 | 313.17 | 126.60 |
| 2000 | 147.10 | 78.74 | 43.69 | 136.32 | 66.57 | 291.89 | 145.56 | 119.94 | 172.62 | 109.60 | 98.57 | 88.28 | 25.72 | 138.81 | 173.08 | 87.28 | 188.38 | 375.13 | 177.85 | 261.17 | 127.79 | 213.51 | 66.68 | 178.17 |
| 2001 | 216.68 | 110.42 | 68.43 | 56.54 | 108.45 | 155.46 | 67.49 | 173.31 | 234.69 | 84.31 | 126.23 | 112.65 | 62.20 | 122.57 | 133.51 | 182.57 | 160.38 | 133.10 | 185.55 | 460.89 | 229.89 | 245.01 | 188.85 | 279.17 |
| 2002 | 46.27 | 140.81 | 17.85 | 37.79 | 10.59 | 125.00 | 85.11 | 89.46 | 159.90 | 100.50 | 76.95 | 90.60 | 125.26 | 95.19 | 89.23 | 70.53 | 165.62 | 231.80 | 155.21 | 184.54 | 115.12 | 115.13 | 51.98 | 163.25 |
| 2003 | 86.45 | 189.77 | 91.69 | 85.53 | 116.16 | 205.06 | 148.94 | 63.14 | 224.85 | 13.83 | 76.60 | 170.44 | 169.18 | 90.54 | 132.75 | 177.54 | 242.21 | 156.57 | 278.48 | 188.96 | 89.27 | 166.04 | 245.65 | 57.75 |
| 2004 | 123.22 | 54.38 | 57.52 | 77.00 | 114.24 | 127.23 | 107.09 | 82.66 | 87.60 | 117.34 | 135.06 | 113.22 | 94.31 | 175.54 | 77.45 | 131.21 | 178.47 | 252.39 | 173.16 | 217.31 | 159.15 | 24.96 | 149.66 | 50.78 |
| 2005 | 162.58 | 118.19 | 18.13 | 53.25 | 17.35 | 109.60 | 115.71 | 44.83 | 84.84 | 167.03 | 102.57 | 100.45 | 179.11 | 101.01 | 61.74 | 227.66 | 133.32 | 151.44 | 197.52 | 221.79 | 155.53 | 219.18 | 248.77 | 159.49 |
| 2006 | 190.14 | 15.12 | 154.34 | 80.19 | 18.92 | 174.55 | 152.39 | 153.60 | 178.58 | 144.31 | 184.13 | 182.24 | 108.08 | 89.67 | 40.69 | 222.38 | 154.22 | 148.76 | 175.46 | 196.31 | 129.43 | 104.57 | 115.35 | 283.80 |
| 2007 | 122.17 | 110.52 | 12.03 | 59.45 | 46.32 | 96.89 | 80.25 | 156.63 | 278.67 | 119.19 | 88.31 | 86.85 | 95.88 | 214.54 | 81.28 | 136.53 | 182.70 | 151.34 | 131.12 | 332.02 | 182.31 | 312.23 | 223.95 | 130.79 |
| 2008 | 53.62 | 62.51 | 29.26 | 64.37 | 84.22 | 178.90 | 52.96 | 155.27 | 153.25 | 92.72 | 50.78 | 114.98 | 110.82 | 222.94 | 143.11 | 168.05 | 247.47 | 229.86 | 221.21 | 254.85 | 165.93 | 203.11 | 249.49 | 120.95 |
| 2009 | 227.13 | 31.36 | 13.21 | 89.57 | 214.17 | 195.50 | 145.64 | 59.45 | 203.84 | 129.90 | 66.23 | 71.41 | 107.66 | 77.60 | 23.59 | 315.17 | 155.83 | 143.20 | 164.55 | 179.87 | 183.96 | 178.09 | 191.34 | 46.17 |
| 2010 | 142.61 | 85.07 | 6.88 | 75.92 | 54.63 | 120.37 | 111.57 | 80.65 | 54.42 | 117.32 | 136.53 | 163.58 | 67.81 | 148.22 | 160.13 | 99.63 | 174.34 | 135.32 | 145.03 | 163.18 | 195.84 | 211.69 | 209.06 | 125.89 |
| 2011 | 194.26 | 64.41 | 47.68 | 36.71 | 109.12 | 286.03 | 110.53 | 68.74 | 94.17 | 145.01 | 149.16 | 79.75 | 73.50 | 120.50 | 115.60 | 206.28 | 195.67 | 89.40 | 232.31 | 235.52 | 132.40 | 158.80 | 104.48 | 269.38 |
| 2012 | 91.75 | 152.67 | 32.62 | 91.86 | 174.15 | 90.36 | 154.22 | 87.57 | 158.92 | 305.61 | 35.87 | 73.18 | 126.15 | 143.29 | 30.26 | 177.80 | 175.04 | 100.90 | 171.63 | 136.38 | 120.85 | 151.62 | 227.64 | 100.14 |
| 2013 | 63.41 | 170.44 | 40.91 | 150.29 | 95.47 | 8.67 | 131.41 | 129.28 | 58.86 | 135.60 | 204.22 | 52.95 | 94.89 | 92.21 | 192.43 | 120.28 | 218.93 | 204.58 | 230.54 | 285.52 | 119.34 | 116.04 | 181.35 | 306.24 |
| 2014 | 109.66 | 1.39 | 6.65 | 47.13 | 13.61 | 64.75 | 108.22 | 10.61 | 117.49 | 131.43 | 110.50 | 47.78 | 90.97 | 49.69 | 146.08 | 160.96 | 147.11 | 229.99 | 120.89 | 196.16 | 99.00 | 114.17 | 145.56 | 330.16 |
| 2015 | 116.82 | 24.76 | 13.34 | 58.14 | 14.35 | 86.74 | 26.21 | 100.96 | 72.22 | 147.65 | 158.57 | 25.29 | 128.06 | 40.37 | 156.29 | 66.76 | 135.27 | 181.14 | 128.03 | 225.19 | 101.01 | 154.32 | 142.29 | 93.99 |
| 2016 | 42.06 | 173.78 | 177.85 | 17.06 | 17.33 | 26.62 | 49.37 | 32.68 | 107.43 | 120.39 | 86.17 | 137.89 | 102.15 | 151.98 | 102.91 | 220.12 | 258.67 | 197.84 | 162.19 | 279.80 | 159.80 | 62.51 | 146.85 | 115.31 |
| 2017 | 128.24 | 143.87 | 73.47 | 63.16 | 52.06 | 67.48 | 103.27 | 79.01 | 78.58 | 150.83 | 40.57 | 141.12 | 161.77 | 75.56 | 234.98 | 182.56 | 183.52 | 185.88 | 404.54 | 99.86 | 197.12 | 146.08 | 252.37 | 168.29 |
| 2018 | 167.39 | 70.05 | 2.23 | 104.96 | 21.40 | 107.94 | 41.13 | 192.12 | 58.19 | 110.45 | 32.23 | 143.05 | 57.29 | 129.61 | 64.59 | 219.55 | 159.06 | 117.61 | 307.41 | 207.54 | 191.94 | 89.76 | 138.08 | 105.22 |
| 2019 | 44.28 | 95.42 | 3.47 | 105.65 | 31.40 | 62.46 | 86.59 | 75.71 | 155.26 | 185.94 | 115.41 | 90.29 | 36.81 | 83.27 | 53.66 | 91.09 | 91.64 | 146.59 | 173.02 | 227.36 | 224.87 | 75.37 | 276.85 | 15.17 |
| 2020 | 14.27 | 122.75 | 72.41 | 53.22 | 50.48 | 58.77 | 70.71 | 213.23 | 217.40 | 96.93 | 150.37 | 107.50 | 133.84 | 122.07 | 69.13 | 107.17 | 240.03 | 162.16 | 109.19 | 191.20 | 115.03 | 224.82 | 195.58 | 253.70 |
| 2021 | 314.89 | 109.54 | 84.64 | 1.02 | 105.96 | 142.16 | 57.65 | 103.39 | 47.59 | 114.93 | 150.28 | 137.40 | 199.37 | 50.20 | 219.56 | 201.91 | 99.84 | 155.37 | 38.67 | 352.71 | 169.31 | 216.19 | 130.66 | 255.31 |
| 2022 | 125.38 | 61.97 | 95.31 | 218.23 | 128.94 | 118.38 | 83.16 | 74.67 | 212.50 | 61.27 | 227.09 | 199.23 | 103.50 | 89.52 | 134.17 | 178.33 | 121.35 | 245.07 | 239.31 | 296.88 | 283.17 | 142.93 | 377.08 | 120.19 |
| 2023 | 95.81 | 174.19 | 61.03 | 59.83 | 173.92 | 56.08 | 44.43 | 68.20 | 56.76 | 265.58 | 136.10 | 72.44 | 104.63 | 73.77 | 104.48 | 193.05 | 134.83 | 105.22 | 107.76 | 162.26 | 147.43 | 260.58 | 187.57 | 179.01 |
| 2024 | 86.84 | 152.54 | 13.37 | 122.60 | 24.00 | 99.97 | 57.45 | 97.65 | 130.00 | 113.80 | 119.64 | 191.80 | 62.72 | 57.80 | 125.69 | 220.03 | 178.82 | 204.69 | 222.00 | 117.05 | 111.97 | 200.24 | 133.26 | 108.23 |
| 2025 | 108.50 | 166.63 | 13.03 | 92.73 | 91.22 | 101.35 | 119.63 | 94.81 | 114.27 | 61.78 | 146.97 | 71.39 | 155.45 | 16.94 | 155.43 | 126.94 | 222.23 | 162.47 | – | – | – | – | – | – |
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 | 61.45 | 54.06 | 12.83 | 45.26 | 18.60 | 61.72 | 54.45 | 62.40 | 58.72 | 96.09 | 74.53 | 72.23 | 66.79 | 56.28 | 60.12 | 105.66 | 135.18 | 134.88 | 129.88 | 173.19 | 115.08 | 110.33 | 132.22 | 97.68 |
| R80mm/hari | 4.10 | 3.38 | 0.92 | 3.23 | 1.24 | 3.86 | 3.63 | 4.16 | 3.91 | 6.01 | 4.97 | 4.82 | 4.45 | 3.52 | 4.01 | 6.60 | 9.01 | 8.99 | 8.66 | 10.82 | 7.67 | 7.36 | 8.81 | 6.11 |
| Reff Padimm/hari | 2.87 | 2.37 | 0.64 | 2.26 | 0.87 | 2.70 | 2.54 | 2.91 | 2.74 | 4.20 | 3.48 | 3.37 | 3.12 | 2.46 | 2.81 | 4.62 | 6.31 | 6.29 | 6.06 | 7.58 | 5.37 | 5.15 | 6.17 | 4.27 |
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.