HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Batu Jong-Jong, Kec. Bahorok, Langkat, Prov. Sumatera Utara
GPM01D_E09815_N0345
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.30
mm/hari
Reff Padi Rata-rata
4.41
mm/hari
Reff Padi Maksimum
7.66
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 | 123.67 | 113.37 | 59.25 | 62.12 | 89.55 | 47.66 | 49.89 | 68.24 | 134.48 | 69.11 | 137.17 | 110.95 | 120.04 | 200.12 | 207.47 | 339.60 | 137.03 | 77.94 | 203.13 | 253.53 | 203.76 | 202.36 | 133.77 | 341.99 |
| 1999 | 237.63 | 140.54 | 197.56 | 136.06 | 121.18 | 168.41 | 237.17 | 189.49 | 178.93 | 165.05 | 135.62 | 135.76 | 100.91 | 27.28 | 69.00 | 197.65 | 159.98 | 336.95 | 282.86 | 170.99 | 97.31 | 224.70 | 316.75 | 133.43 |
| 2000 | 129.55 | 127.68 | 67.15 | 172.86 | 160.60 | 281.97 | 94.43 | 172.65 | 101.71 | 84.00 | 83.82 | 95.83 | 19.47 | 154.01 | 200.89 | 99.63 | 418.75 | 252.92 | 125.24 | 234.48 | 47.57 | 249.58 | 54.06 | 208.99 |
| 2001 | 142.54 | 231.68 | 44.91 | 136.05 | 72.93 | 191.73 | 154.34 | 115.28 | 165.02 | 108.79 | 113.37 | 155.34 | 102.37 | 129.61 | 89.15 | 254.41 | 194.30 | 102.61 | 166.17 | 448.09 | 297.40 | 193.90 | 178.84 | 294.68 |
| 2002 | 67.81 | 164.82 | 53.54 | 116.16 | 47.10 | 188.68 | 181.21 | 159.05 | 105.27 | 194.10 | 66.21 | 63.29 | 42.78 | 147.46 | 105.86 | 97.61 | 336.49 | 129.49 | 190.65 | 326.60 | 149.50 | 129.54 | 102.86 | 152.28 |
| 2003 | 181.50 | 150.40 | 124.84 | 102.93 | 57.80 | 213.09 | 152.94 | 139.00 | 225.32 | 15.44 | 60.84 | 268.94 | 149.43 | 88.70 | 160.50 | 155.53 | 146.54 | 240.29 | 244.32 | 183.32 | 236.25 | 137.94 | 225.93 | 117.53 |
| 2004 | 162.48 | 57.62 | 112.87 | 121.80 | 208.74 | 155.75 | 72.11 | 269.13 | 154.40 | 98.48 | 79.90 | 170.60 | 115.26 | 149.45 | 57.50 | 122.85 | 191.76 | 384.30 | 260.64 | 221.27 | 206.06 | 83.77 | 174.77 | 72.42 |
| 2005 | 171.77 | 235.67 | 48.03 | 71.00 | 78.61 | 114.76 | 171.01 | 87.18 | 132.71 | 105.06 | 122.39 | 46.93 | 141.62 | 79.96 | 22.96 | 247.61 | 144.35 | 157.91 | 166.07 | 235.94 | 101.95 | 218.48 | 310.98 | 85.12 |
| 2006 | 254.03 | 14.79 | 237.39 | 114.11 | 31.05 | 154.89 | 97.35 | 259.91 | 243.71 | 122.09 | 127.16 | 225.37 | 68.30 | 91.48 | 84.60 | 153.80 | 202.75 | 147.40 | 205.84 | 180.59 | 178.56 | 122.98 | 150.81 | 192.66 |
| 2007 | 120.20 | 123.19 | 13.37 | 130.74 | 117.22 | 109.06 | 137.46 | 130.31 | 309.01 | 146.71 | 87.21 | 119.75 | 58.47 | 213.23 | 123.71 | 200.65 | 191.96 | 174.79 | 106.04 | 392.46 | 234.29 | 228.91 | 166.40 | 164.00 |
| 2008 | 146.44 | 138.26 | 73.63 | 92.83 | 137.82 | 208.71 | 81.13 | 201.87 | 89.93 | 125.40 | 52.89 | 139.04 | 122.90 | 115.91 | 157.93 | 216.81 | 201.08 | 270.51 | 208.08 | 280.29 | 122.05 | 223.36 | 277.70 | 92.44 |
| 2009 | 209.81 | 79.23 | 43.97 | 164.29 | 205.03 | 220.27 | 140.23 | 236.19 | 221.94 | 163.71 | 71.86 | 75.52 | 67.95 | 88.81 | 99.77 | 120.16 | 159.08 | 190.34 | 87.34 | 273.38 | 153.15 | 159.49 | 193.53 | 111.99 |
| 2010 | 144.62 | 183.22 | 65.69 | 44.96 | 126.00 | 198.34 | 72.91 | 188.15 | 106.34 | 85.31 | 131.88 | 122.42 | 143.09 | 120.34 | 134.51 | 148.72 | 140.46 | 149.19 | 143.38 | 223.06 | 238.55 | 206.35 | 260.97 | 140.53 |
| 2011 | 214.77 | 106.29 | 103.91 | 32.16 | 261.01 | 244.99 | 157.23 | 122.89 | 118.85 | 160.01 | 177.50 | 82.75 | 39.37 | 89.45 | 180.73 | 248.47 | 219.07 | 128.59 | 190.11 | 218.04 | 172.96 | 138.91 | 258.71 | 146.46 |
| 2012 | 183.58 | 64.16 | 90.65 | 78.06 | 158.30 | 103.25 | 279.79 | 171.31 | 233.90 | 241.82 | 30.68 | 70.83 | 249.98 | 75.08 | 45.06 | 180.33 | 112.50 | 113.53 | 134.10 | 129.81 | 135.13 | 207.18 | 168.69 | 245.83 |
| 2013 | 119.22 | 205.38 | 191.78 | 116.91 | 113.85 | 62.58 | 107.21 | 136.61 | 102.49 | 126.28 | 271.53 | 53.15 | 67.86 | 118.04 | 67.79 | 227.01 | 221.93 | 190.72 | 306.23 | 299.36 | 124.19 | 125.94 | 138.51 | 282.81 |
| 2014 | 169.06 | 13.04 | 32.62 | 100.47 | 19.35 | 133.05 | 188.87 | 97.40 | 86.67 | 229.12 | 101.64 | 72.92 | 45.34 | 80.42 | 95.56 | 192.95 | 236.16 | 119.24 | 163.72 | 243.86 | 107.63 | 181.38 | 125.27 | 234.55 |
| 2015 | 214.32 | 17.66 | 50.42 | 130.33 | 65.34 | 84.74 | 72.70 | 92.28 | 100.44 | 139.26 | 138.99 | 12.94 | 51.36 | 61.74 | 175.29 | 63.51 | 224.82 | 122.71 | 163.49 | 232.71 | 96.87 | 185.79 | 176.05 | 113.56 |
| 2016 | 107.83 | 102.86 | 153.38 | 71.10 | 72.79 | 115.60 | 114.26 | 87.88 | 60.82 | 171.08 | 190.02 | 41.14 | 77.78 | 179.27 | 94.22 | 172.36 | 246.01 | 231.20 | 173.66 | 305.92 | 141.46 | 141.44 | 117.11 | 151.89 |
| 2017 | 159.82 | 179.76 | 72.81 | 161.46 | 88.79 | 125.41 | 146.43 | 120.48 | 145.28 | 101.24 | 35.30 | 127.83 | 95.56 | 13.70 | 194.89 | 133.00 | 257.95 | 160.33 | 299.39 | 192.64 | 176.97 | 170.04 | 243.52 | 173.25 |
| 2018 | 153.85 | 105.93 | 41.27 | 97.51 | 189.59 | 144.99 | 78.21 | 122.47 | 62.34 | 147.97 | 24.06 | 140.67 | 78.96 | 157.80 | 85.20 | 127.42 | 166.83 | 124.29 | 290.80 | 172.86 | 196.38 | 89.24 | 152.52 | 148.81 |
| 2019 | 64.06 | 108.26 | 31.44 | 135.35 | 39.05 | 161.11 | 106.92 | 85.86 | 227.26 | 200.19 | 135.29 | 102.19 | 58.48 | 85.86 | 32.42 | 119.84 | 106.25 | 118.43 | 181.53 | 255.03 | 217.53 | 53.53 | 208.56 | 148.68 |
| 2020 | 7.79 | 185.82 | 84.01 | 57.16 | 125.68 | 94.51 | 95.00 | 244.95 | 125.99 | 146.58 | 233.94 | 103.33 | 164.04 | 88.20 | 42.48 | 128.44 | 239.90 | 76.50 | 145.66 | 176.75 | 173.78 | 185.70 | 267.12 | 144.10 |
| 2021 | 296.45 | 85.11 | 89.83 | 10.14 | 67.15 | 197.55 | 148.48 | 210.37 | 111.45 | 83.66 | 103.58 | 161.36 | 185.45 | 95.17 | 128.67 | 280.27 | 136.96 | 193.90 | 43.57 | 346.47 | 216.18 | 246.27 | 129.69 | 172.12 |
| 2022 | 147.03 | 197.67 | 123.70 | 132.62 | 187.65 | 135.09 | 118.06 | 80.94 | 103.91 | 93.04 | 100.50 | 263.81 | 93.70 | 72.67 | 135.23 | 147.81 | 49.13 | 246.74 | 191.07 | 245.58 | 233.53 | 143.72 | 236.47 | 135.23 |
| 2023 | 167.24 | 186.71 | 106.25 | 66.19 | 159.79 | 125.77 | 71.57 | 107.13 | 127.14 | 180.71 | 127.53 | 130.74 | 88.02 | 72.82 | 111.91 | 288.61 | 138.77 | 79.08 | 189.81 | 133.21 | 178.15 | 234.39 | 185.79 | 175.95 |
| 2024 | 70.21 | 209.07 | 53.79 | 205.33 | 33.92 | 159.05 | 44.72 | 165.71 | 75.93 | 158.67 | 112.81 | 248.19 | 31.60 | 35.58 | 102.98 | 282.73 | 258.41 | 124.86 | 280.65 | 108.01 | 185.53 | 243.40 | 111.71 | 124.23 |
| 2025 | 169.20 | 156.66 | 46.19 | 140.32 | 99.59 | 162.62 | 201.08 | 132.73 | 136.10 | 193.00 | 106.03 | 44.99 | 177.06 | 51.82 | 158.55 | 96.87 | 140.94 | 110.86 | – | – | – | – | – | – |
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 | 116.94 | 76.22 | 44.72 | 65.38 | 55.66 | 107.89 | 72.87 | 91.40 | 98.33 | 91.49 | 65.14 | 61.26 | 50.16 | 70.48 | 65.73 | 120.09 | 138.42 | 112.99 | 139.67 | 175.19 | 116.28 | 128.10 | 127.92 | 115.94 |
| R80mm/hari | 7.80 | 4.76 | 3.19 | 4.67 | 3.71 | 6.74 | 4.86 | 6.09 | 6.56 | 5.72 | 4.34 | 4.08 | 3.34 | 4.41 | 4.38 | 7.51 | 9.23 | 7.53 | 9.31 | 10.95 | 7.75 | 8.54 | 8.53 | 7.25 |
| Reff Padimm/hari | 5.46 | 3.33 | 2.24 | 3.27 | 2.60 | 4.72 | 3.40 | 4.27 | 4.59 | 4.00 | 3.04 | 2.86 | 2.34 | 3.08 | 3.07 | 5.25 | 6.46 | 5.27 | 6.52 | 7.66 | 5.43 | 5.98 | 5.97 | 5.07 |
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.