HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Gunung Ambat, Kec. Sei Bingai, Langkat, Prov. Sumatera Utara
GPM01D_E09845_N0345
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.45
mm/hari
Reff Padi Rata-rata
3.82
mm/hari
Reff Padi Maksimum
6.86
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 | 152.27 | 90.79 | 26.12 | 89.80 | 53.71 | 41.93 | 42.22 | 26.70 | 79.89 | 92.31 | 183.67 | 64.96 | 93.93 | 204.48 | 213.69 | 295.66 | 155.04 | 108.84 | 177.88 | 254.27 | 180.68 | 180.59 | 197.50 | 264.65 |
| 1999 | 230.67 | 143.88 | 201.00 | 116.84 | 113.31 | 161.27 | 224.64 | 182.65 | 160.35 | 160.14 | 192.33 | 107.77 | 91.54 | 59.70 | 59.77 | 185.41 | 206.52 | 336.14 | 218.21 | 131.15 | 122.75 | 148.59 | 428.61 | 71.37 |
| 2000 | 133.07 | 115.48 | 41.86 | 123.06 | 141.17 | 269.84 | 111.89 | 107.78 | 94.23 | 81.96 | 84.87 | 123.22 | 24.90 | 113.63 | 166.26 | 92.58 | 247.17 | 342.41 | 107.38 | 286.92 | 76.50 | 163.41 | 51.23 | 190.59 |
| 2001 | 167.89 | 236.44 | 39.07 | 78.84 | 61.10 | 174.37 | 89.04 | 107.66 | 216.72 | 78.71 | 123.54 | 151.95 | 85.63 | 133.54 | 111.55 | 257.02 | 163.56 | 135.50 | 214.76 | 408.80 | 328.42 | 215.53 | 196.36 | 297.16 |
| 2002 | 113.57 | 108.90 | 19.64 | 144.34 | 18.23 | 164.95 | 125.84 | 105.98 | 144.28 | 97.69 | 53.68 | 56.27 | 32.07 | 195.97 | 83.98 | 88.17 | 278.51 | 164.16 | 124.13 | 296.27 | 103.91 | 115.85 | 96.89 | 115.47 |
| 2003 | 83.73 | 193.39 | 153.01 | 62.18 | 41.46 | 174.46 | 122.28 | 157.30 | 265.23 | 13.26 | 49.39 | 190.12 | 185.50 | 73.26 | 89.61 | 198.22 | 157.27 | 243.56 | 264.89 | 175.68 | 193.38 | 117.36 | 242.98 | 85.84 |
| 2004 | 197.83 | 56.05 | 58.44 | 122.35 | 117.32 | 209.54 | 45.84 | 197.33 | 94.72 | 103.49 | 67.15 | 213.53 | 141.19 | 127.92 | 51.06 | 131.87 | 216.56 | 301.38 | 195.39 | 248.04 | 146.47 | 107.87 | 129.91 | 80.85 |
| 2005 | 195.26 | 60.41 | 69.70 | 26.60 | 41.02 | 109.83 | 78.61 | 83.98 | 148.57 | 86.27 | 130.11 | 27.34 | 138.00 | 87.75 | 21.89 | 241.13 | 175.61 | 118.51 | 153.31 | 235.92 | 131.50 | 154.44 | 245.95 | 122.77 |
| 2006 | 177.50 | 20.24 | 118.23 | 143.91 | 20.50 | 166.11 | 91.26 | 189.86 | 260.78 | 123.01 | 106.65 | 235.36 | 88.36 | 86.05 | 78.86 | 169.32 | 140.01 | 179.48 | 208.63 | 209.09 | 132.54 | 128.43 | 132.35 | 192.88 |
| 2007 | 144.43 | 113.91 | 18.47 | 83.81 | 32.02 | 90.13 | 147.88 | 103.12 | 316.42 | 142.28 | 55.93 | 100.06 | 53.89 | 224.68 | 40.37 | 205.51 | 247.47 | 132.18 | 84.49 | 385.21 | 240.12 | 265.02 | 156.20 | 123.10 |
| 2008 | 93.32 | 108.37 | 75.46 | 33.14 | 177.00 | 121.97 | 50.60 | 173.04 | 125.64 | 82.24 | 57.64 | 91.92 | 104.29 | 157.97 | 90.49 | 228.06 | 189.47 | 243.00 | 95.85 | 392.52 | 108.24 | 168.89 | 172.89 | 124.03 |
| 2009 | 244.16 | 72.09 | 58.51 | 54.55 | 166.35 | 291.01 | 121.78 | 188.27 | 272.73 | 72.96 | 73.56 | 67.17 | 86.61 | 52.90 | 71.84 | 128.38 | 148.20 | 229.17 | 114.31 | 210.33 | 201.49 | 108.86 | 98.86 | 96.92 |
| 2010 | 124.63 | 122.25 | 39.73 | 56.43 | 85.11 | 109.18 | 75.27 | 84.32 | 85.52 | 122.33 | 117.56 | 103.92 | 96.42 | 124.81 | 143.10 | 105.19 | 141.70 | 101.70 | 132.44 | 133.98 | 179.79 | 216.42 | 247.19 | 110.86 |
| 2011 | 189.62 | 96.52 | 40.53 | 59.37 | 231.10 | 221.32 | 114.04 | 92.94 | 43.16 | 202.76 | 109.08 | 123.94 | 40.93 | 80.91 | 157.89 | 164.58 | 175.55 | 109.58 | 180.62 | 266.85 | 119.49 | 188.78 | 99.09 | 251.71 |
| 2012 | 119.87 | 76.08 | 81.19 | 64.80 | 115.82 | 136.62 | 214.40 | 126.38 | 222.95 | 226.33 | 38.11 | 65.10 | 158.47 | 62.08 | 36.67 | 186.88 | 83.65 | 133.93 | 120.80 | 143.12 | 163.68 | 137.07 | 187.06 | 103.49 |
| 2013 | 126.89 | 206.60 | 100.28 | 134.96 | 112.92 | 36.43 | 120.31 | 116.43 | 86.52 | 91.64 | 141.74 | 47.04 | 73.12 | 59.48 | 84.50 | 167.22 | 193.20 | 135.44 | 423.77 | 214.64 | 100.17 | 130.68 | 199.71 | 301.08 |
| 2014 | 61.00 | 4.92 | 10.06 | 69.53 | 38.72 | 87.44 | 100.66 | 18.89 | 77.89 | 164.98 | 94.50 | 92.56 | 30.11 | 122.03 | 109.74 | 148.15 | 171.45 | 167.88 | 155.84 | 219.23 | 122.19 | 119.47 | 139.00 | 189.17 |
| 2015 | 165.81 | 26.79 | 49.57 | 63.60 | 34.42 | 64.11 | 92.70 | 65.84 | 101.28 | 127.52 | 112.82 | 16.52 | 67.18 | 71.36 | 184.84 | 58.84 | 182.74 | 74.46 | 112.36 | 191.38 | 121.07 | 195.64 | 142.97 | 90.71 |
| 2016 | 55.74 | 173.72 | 156.44 | 120.08 | 35.01 | 81.46 | 51.00 | 81.86 | 94.20 | 166.32 | 113.39 | 73.47 | 99.97 | 149.06 | 75.79 | 167.46 | 220.92 | 291.11 | 198.71 | 263.19 | 112.05 | 107.36 | 141.78 | 111.30 |
| 2017 | 172.66 | 165.26 | 76.48 | 91.15 | 84.32 | 132.77 | 156.20 | 60.91 | 113.61 | 140.16 | 39.18 | 121.84 | 158.33 | 14.74 | 172.64 | 114.03 | 285.60 | 186.34 | 280.20 | 162.67 | 162.25 | 174.26 | 183.64 | 168.06 |
| 2018 | 214.35 | 75.88 | 5.66 | 121.25 | 69.78 | 87.22 | 61.95 | 121.14 | 115.80 | 90.48 | 28.28 | 178.83 | 115.94 | 101.59 | 70.69 | 147.70 | 156.36 | 148.07 | 249.60 | 179.79 | 170.31 | 80.22 | 110.85 | 146.57 |
| 2019 | 65.80 | 115.41 | 41.21 | 103.41 | 21.09 | 97.77 | 99.29 | 60.19 | 190.05 | 172.15 | 126.35 | 71.94 | 63.48 | 60.62 | 24.61 | 103.58 | 132.88 | 111.71 | 175.44 | 165.49 | 195.73 | 48.60 | 189.11 | 81.34 |
| 2020 | 11.46 | 202.36 | 75.66 | 61.99 | 45.83 | 102.77 | 76.40 | 185.95 | 176.01 | 95.09 | 177.20 | 119.12 | 151.63 | 106.99 | 69.67 | 74.58 | 249.84 | 84.32 | 135.61 | 140.40 | 123.67 | 162.94 | 252.70 | 146.24 |
| 2021 | 299.73 | 103.33 | 73.12 | 0.34 | 92.30 | 201.37 | 161.63 | 151.49 | 121.06 | 67.46 | 107.57 | 135.29 | 180.32 | 39.14 | 183.17 | 220.77 | 176.71 | 139.03 | 66.20 | 315.45 | 204.69 | 212.76 | 140.38 | 191.42 |
| 2022 | 152.87 | 122.98 | 115.73 | 145.83 | 112.32 | 93.18 | 109.36 | 53.09 | 138.48 | 69.14 | 126.79 | 227.74 | 73.90 | 102.79 | 149.18 | 158.24 | 81.46 | 218.93 | 158.50 | 300.29 | 206.54 | 195.15 | 247.58 | 163.20 |
| 2023 | 107.25 | 182.56 | 57.50 | 67.60 | 159.29 | 131.53 | 49.44 | 84.39 | 82.83 | 235.34 | 120.78 | 61.78 | 58.98 | 98.44 | 105.71 | 233.39 | 175.25 | 100.84 | 147.26 | 154.99 | 161.58 | 253.11 | 171.95 | 158.73 |
| 2024 | 108.85 | 172.28 | 33.07 | 273.39 | 39.39 | 108.65 | 39.94 | 188.27 | 85.12 | 147.10 | 98.89 | 267.45 | 31.97 | 52.52 | 146.44 | 211.07 | 179.14 | 129.87 | 237.45 | 130.07 | 144.23 | 217.65 | 117.02 | 83.96 |
| 2025 | 174.65 | 163.01 | 46.85 | 116.80 | 74.71 | 121.18 | 134.09 | 84.94 | 70.26 | 140.78 | 106.93 | 54.55 | 111.65 | 22.46 | 223.46 | 115.80 | 168.56 | 141.79 | – | – | – | – | – | – |
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 | 91.40 | 69.75 | 31.68 | 58.78 | 34.89 | 87.39 | 50.92 | 64.85 | 84.66 | 81.31 | 55.48 | 60.67 | 51.29 | 58.16 | 58.03 | 104.86 | 146.90 | 109.43 | 113.53 | 150.24 | 116.51 | 113.05 | 114.55 | 88.76 |
| R80mm/hari | 6.09 | 4.36 | 2.26 | 4.20 | 2.33 | 5.46 | 3.39 | 4.32 | 5.64 | 5.08 | 3.70 | 4.04 | 3.42 | 3.64 | 3.87 | 6.55 | 9.79 | 7.30 | 7.57 | 9.39 | 7.77 | 7.54 | 7.64 | 5.55 |
| Reff Padimm/hari | 4.27 | 3.05 | 1.58 | 2.94 | 1.63 | 3.82 | 2.38 | 3.03 | 3.95 | 3.56 | 2.59 | 2.83 | 2.39 | 2.54 | 2.71 | 4.59 | 6.86 | 5.11 | 5.30 | 6.57 | 5.44 | 5.28 | 5.35 | 3.88 |
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.