HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Suka Rakyat, Kec. Bahorok, Langkat, Prov. Sumatera Utara
GPM01D_E09825_N0355
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.08
mm/hari
Reff Padi Rata-rata
4.26
mm/hari
Reff Padi Maksimum
7.36
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 | 104.32 | 112.53 | 40.19 | 63.32 | 50.69 | 84.87 | 74.00 | 19.23 | 107.22 | 86.15 | 119.99 | 121.21 | 119.71 | 208.47 | 179.28 | 355.08 | 142.49 | 105.45 | 194.50 | 293.16 | 176.55 | 230.29 | 161.36 | 297.67 |
| 1999 | 222.07 | 144.01 | 172.23 | 136.47 | 111.37 | 168.83 | 306.41 | 167.95 | 226.92 | 132.09 | 209.94 | 102.38 | 106.23 | 29.31 | 89.56 | 166.69 | 171.02 | 332.50 | 193.10 | 171.73 | 118.21 | 178.08 | 356.14 | 115.24 |
| 2000 | 136.10 | 134.53 | 59.57 | 136.36 | 163.52 | 238.12 | 95.53 | 159.83 | 94.46 | 91.63 | 60.83 | 130.51 | 13.75 | 149.53 | 230.68 | 91.63 | 280.46 | 289.83 | 161.57 | 337.19 | 108.35 | 175.52 | 26.14 | 234.75 |
| 2001 | 180.57 | 256.32 | 34.13 | 101.60 | 68.83 | 174.54 | 103.43 | 116.26 | 189.82 | 187.51 | 112.36 | 165.61 | 69.89 | 136.39 | 63.90 | 362.37 | 163.66 | 126.38 | 165.19 | 476.97 | 346.84 | 237.42 | 193.94 | 294.21 |
| 2002 | 35.39 | 192.13 | 49.05 | 98.40 | 26.77 | 175.74 | 118.16 | 192.47 | 131.03 | 135.30 | 66.92 | 65.77 | 41.42 | 180.26 | 86.96 | 105.78 | 348.47 | 142.50 | 127.55 | 268.67 | 119.25 | 102.37 | 66.24 | 188.67 |
| 2003 | 95.39 | 202.53 | 134.05 | 100.52 | 35.94 | 179.50 | 142.30 | 138.04 | 248.35 | 10.46 | 27.27 | 274.45 | 174.48 | 74.95 | 133.24 | 186.96 | 160.78 | 268.87 | 235.12 | 226.32 | 242.20 | 95.14 | 240.25 | 108.38 |
| 2004 | 126.36 | 72.07 | 102.28 | 155.24 | 204.43 | 205.83 | 107.08 | 175.26 | 145.89 | 75.11 | 117.26 | 159.54 | 66.93 | 184.45 | 72.52 | 119.08 | 207.84 | 361.99 | 245.18 | 198.38 | 177.88 | 78.62 | 150.06 | 65.91 |
| 2005 | 196.23 | 123.11 | 46.32 | 43.43 | 70.95 | 121.45 | 113.74 | 63.24 | 118.12 | 146.09 | 96.79 | 65.21 | 137.89 | 104.28 | 41.57 | 306.44 | 205.50 | 116.14 | 167.82 | 235.24 | 152.65 | 192.45 | 299.54 | 117.82 |
| 2006 | 209.62 | 8.37 | 168.79 | 106.94 | 16.59 | 168.92 | 124.51 | 216.75 | 297.33 | 109.20 | 149.57 | 225.83 | 64.38 | 114.33 | 121.51 | 149.47 | 147.89 | 242.42 | 208.82 | 208.17 | 150.33 | 129.11 | 134.22 | 200.59 |
| 2007 | 153.03 | 89.15 | 10.56 | 115.34 | 81.18 | 94.12 | 109.47 | 134.81 | 320.37 | 184.11 | 87.26 | 117.14 | 76.80 | 219.41 | 52.48 | 211.91 | 226.93 | 162.60 | 104.23 | 384.32 | 216.50 | 261.98 | 179.67 | 126.21 |
| 2008 | 101.70 | 128.41 | 71.33 | 47.78 | 149.96 | 150.83 | 50.63 | 185.73 | 115.01 | 106.16 | 65.51 | 100.14 | 129.98 | 123.19 | 174.06 | 149.11 | 159.66 | 280.82 | 138.01 | 347.90 | 172.84 | 172.46 | 193.95 | 154.51 |
| 2009 | 245.10 | 43.87 | 42.89 | 70.20 | 259.72 | 196.76 | 150.97 | 144.28 | 252.40 | 153.11 | 99.37 | 82.90 | 99.39 | 72.21 | 81.06 | 145.22 | 155.86 | 203.26 | 97.15 | 278.12 | 149.88 | 145.91 | 139.94 | 98.24 |
| 2010 | 161.32 | 139.85 | 31.89 | 58.75 | 70.92 | 164.56 | 83.32 | 98.15 | 83.38 | 100.86 | 135.13 | 115.83 | 91.68 | 129.12 | 163.02 | 94.92 | 144.16 | 122.10 | 147.89 | 159.07 | 191.20 | 245.21 | 249.54 | 120.98 |
| 2011 | 223.62 | 77.38 | 67.06 | 78.87 | 266.78 | 222.76 | 128.68 | 120.87 | 89.04 | 198.32 | 189.40 | 55.83 | 40.10 | 102.06 | 160.39 | 182.44 | 212.44 | 114.81 | 223.27 | 220.46 | 146.06 | 160.52 | 134.46 | 247.98 |
| 2012 | 98.26 | 110.75 | 50.66 | 113.04 | 159.51 | 125.62 | 198.91 | 191.06 | 316.84 | 218.59 | 54.93 | 58.89 | 169.60 | 111.29 | 56.71 | 170.25 | 83.15 | 136.44 | 123.97 | 157.52 | 147.87 | 207.95 | 146.11 | 157.66 |
| 2013 | 251.78 | 170.50 | 115.98 | 185.12 | 166.39 | 36.49 | 89.13 | 154.88 | 135.52 | 108.70 | 259.88 | 55.96 | 96.66 | 88.30 | 119.10 | 183.54 | 216.36 | 113.70 | 402.55 | 332.92 | 98.53 | 142.39 | 149.21 | 300.93 |
| 2014 | 113.90 | 5.30 | 6.84 | 77.95 | 19.93 | 124.89 | 104.17 | 34.91 | 81.57 | 229.52 | 121.48 | 58.63 | 75.71 | 76.10 | 110.06 | 163.07 | 204.13 | 127.13 | 199.68 | 193.82 | 122.67 | 138.40 | 130.38 | 255.55 |
| 2015 | 181.11 | 37.81 | 50.51 | 79.90 | 68.34 | 66.34 | 57.97 | 88.51 | 101.73 | 237.38 | 143.81 | 8.94 | 81.80 | 56.07 | 201.26 | 70.60 | 211.38 | 122.81 | 129.32 | 207.08 | 136.94 | 158.46 | 187.19 | 86.31 |
| 2016 | 80.13 | 144.74 | 175.65 | 60.49 | 54.02 | 101.89 | 66.62 | 62.69 | 65.46 | 184.49 | 155.01 | 85.57 | 141.00 | 143.33 | 96.92 | 194.78 | 258.74 | 283.29 | 176.85 | 345.43 | 130.99 | 121.75 | 119.03 | 145.37 |
| 2017 | 161.73 | 173.78 | 71.48 | 96.33 | 67.97 | 116.37 | 190.06 | 89.23 | 145.62 | 130.34 | 53.90 | 125.73 | 131.11 | 21.85 | 182.03 | 152.81 | 261.21 | 179.67 | 390.11 | 163.14 | 167.12 | 151.90 | 252.18 | 138.14 |
| 2018 | 186.71 | 94.19 | 13.62 | 93.04 | 121.32 | 116.70 | 65.60 | 141.27 | 73.62 | 134.16 | 24.55 | 159.99 | 131.41 | 165.53 | 120.11 | 140.57 | 173.60 | 133.09 | 264.62 | 179.61 | 212.71 | 74.21 | 132.81 | 159.74 |
| 2019 | 68.71 | 124.74 | 28.05 | 134.65 | 11.09 | 139.52 | 98.79 | 81.22 | 246.55 | 203.77 | 154.93 | 94.50 | 84.56 | 108.83 | 41.75 | 87.29 | 133.06 | 134.83 | 161.19 | 212.60 | 226.94 | 60.25 | 206.18 | 125.68 |
| 2020 | 17.16 | 198.30 | 80.97 | 58.68 | 71.99 | 86.11 | 102.17 | 214.86 | 198.13 | 108.44 | 245.82 | 138.80 | 131.94 | 91.66 | 61.45 | 96.65 | 251.86 | 105.11 | 142.98 | 210.64 | 163.04 | 202.65 | 282.14 | 173.53 |
| 2021 | 284.38 | 127.27 | 86.13 | 18.97 | 100.61 | 165.70 | 149.37 | 175.37 | 102.13 | 119.17 | 147.71 | 132.60 | 158.34 | 97.23 | 183.84 | 197.50 | 145.15 | 178.49 | 58.98 | 342.10 | 217.99 | 257.79 | 95.93 | 203.50 |
| 2022 | 138.56 | 130.54 | 124.57 | 136.91 | 159.32 | 110.86 | 139.38 | 88.90 | 133.96 | 82.29 | 152.76 | 253.64 | 153.98 | 84.78 | 185.86 | 146.30 | 76.92 | 247.18 | 183.96 | 313.61 | 228.46 | 173.92 | 262.60 | 134.34 |
| 2023 | 142.78 | 187.99 | 72.93 | 62.40 | 150.05 | 130.21 | 68.74 | 93.24 | 86.19 | 328.85 | 156.77 | 67.15 | 73.49 | 99.50 | 140.95 | 261.98 | 159.91 | 83.65 | 159.90 | 132.50 | 157.58 | 220.04 | 155.70 | 177.48 |
| 2024 | 114.46 | 151.01 | 20.15 | 227.47 | 53.97 | 104.72 | 50.12 | 181.61 | 53.64 | 219.15 | 109.13 | 231.72 | 30.31 | 48.34 | 137.17 | 242.46 | 276.20 | 125.01 | 297.35 | 125.17 | 135.91 | 248.50 | 137.88 | 100.04 |
| 2025 | 149.77 | 166.03 | 56.45 | 130.59 | 103.65 | 156.87 | 169.17 | 107.97 | 111.73 | 216.32 | 83.53 | 76.71 | 158.58 | 66.41 | 201.66 | 137.31 | 162.88 | 112.45 | – | – | – | – | – | – |
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 | 97.68 | 76.32 | 31.12 | 60.14 | 47.74 | 100.33 | 68.32 | 87.05 | 85.63 | 99.01 | 64.57 | 63.94 | 66.42 | 71.05 | 63.41 | 103.95 | 144.95 | 114.59 | 128.61 | 168.29 | 127.66 | 113.99 | 131.84 | 112.49 |
| R80mm/hari | 6.51 | 4.77 | 2.22 | 4.30 | 3.18 | 6.27 | 4.55 | 5.80 | 5.71 | 6.19 | 4.30 | 4.26 | 4.43 | 4.44 | 4.23 | 6.50 | 9.66 | 7.64 | 8.57 | 10.52 | 8.51 | 7.60 | 8.79 | 7.03 |
| Reff Padimm/hari | 4.56 | 3.34 | 1.56 | 3.01 | 2.23 | 4.39 | 3.19 | 4.06 | 4.00 | 4.33 | 3.01 | 2.98 | 3.10 | 3.11 | 2.96 | 4.55 | 6.76 | 5.35 | 6.00 | 7.36 | 5.96 | 5.32 | 6.15 | 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.