HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Tanjung Kariahan, Kec. Sirapit, Langkat, Prov. Sumatera Utara
GPM01D_E09835_N0355
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.04
mm/hari
Reff Padi Rata-rata
4.23
mm/hari
Reff Padi Maksimum
7.29
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 | 130.49 | 72.72 | 28.39 | 75.19 | 55.44 | 50.56 | 60.97 | 15.69 | 89.15 | 121.04 | 150.90 | 97.38 | 134.42 | 183.92 | 161.63 | 364.24 | 140.01 | 108.37 | 224.13 | 258.04 | 172.34 | 227.44 | 194.60 | 261.20 |
| 1999 | 256.85 | 127.67 | 176.28 | 136.34 | 103.65 | 176.57 | 264.87 | 297.37 | 234.99 | 149.30 | 217.24 | 96.59 | 98.25 | 33.63 | 56.58 | 190.56 | 167.01 | 338.35 | 204.63 | 153.80 | 121.47 | 173.30 | 342.13 | 132.20 |
| 2000 | 135.20 | 134.58 | 49.81 | 125.22 | 168.06 | 238.13 | 106.89 | 129.71 | 96.03 | 85.20 | 55.58 | 155.93 | 17.12 | 138.50 | 171.32 | 128.59 | 231.51 | 342.63 | 167.95 | 311.61 | 91.99 | 165.64 | 44.54 | 219.03 |
| 2001 | 169.23 | 261.24 | 37.84 | 81.84 | 96.42 | 179.31 | 94.87 | 122.43 | 218.88 | 157.62 | 141.61 | 149.57 | 63.69 | 149.18 | 104.30 | 313.31 | 165.33 | 143.89 | 215.12 | 449.47 | 297.95 | 251.62 | 175.39 | 302.81 |
| 2002 | 39.22 | 179.77 | 29.30 | 102.87 | 17.08 | 170.95 | 97.87 | 171.74 | 151.09 | 109.30 | 69.44 | 65.90 | 42.34 | 168.51 | 106.31 | 85.13 | 307.51 | 159.52 | 138.57 | 246.00 | 118.21 | 102.96 | 68.52 | 148.07 |
| 2003 | 81.32 | 216.67 | 135.78 | 95.11 | 42.55 | 195.81 | 152.56 | 104.63 | 246.39 | 11.26 | 38.99 | 228.23 | 179.09 | 82.77 | 112.51 | 220.56 | 177.97 | 253.78 | 244.22 | 222.24 | 243.45 | 81.49 | 243.38 | 97.01 |
| 2004 | 148.88 | 57.26 | 90.44 | 113.23 | 165.02 | 206.48 | 93.05 | 150.88 | 114.58 | 101.48 | 111.09 | 170.79 | 65.92 | 196.28 | 72.46 | 126.57 | 232.95 | 318.12 | 260.59 | 204.51 | 172.39 | 71.58 | 150.48 | 79.11 |
| 2005 | 185.41 | 102.12 | 54.86 | 35.12 | 61.24 | 109.63 | 103.43 | 59.07 | 112.67 | 158.85 | 120.69 | 47.44 | 163.04 | 100.18 | 37.26 | 303.44 | 154.58 | 144.09 | 200.72 | 203.97 | 157.90 | 190.85 | 280.02 | 142.67 |
| 2006 | 205.84 | 11.79 | 144.41 | 134.79 | 18.89 | 173.03 | 164.47 | 176.27 | 228.08 | 163.00 | 128.88 | 218.55 | 81.06 | 105.71 | 82.62 | 187.99 | 157.73 | 188.98 | 213.78 | 219.66 | 155.15 | 115.21 | 138.61 | 198.30 |
| 2007 | 143.08 | 115.68 | 9.58 | 116.05 | 33.27 | 96.72 | 96.65 | 153.56 | 336.20 | 150.71 | 101.84 | 88.40 | 67.61 | 242.69 | 43.20 | 224.65 | 242.30 | 148.58 | 98.18 | 390.61 | 210.26 | 277.67 | 178.35 | 132.65 |
| 2008 | 106.48 | 123.84 | 68.98 | 43.40 | 159.04 | 149.76 | 66.03 | 158.45 | 149.31 | 94.17 | 57.78 | 113.42 | 136.19 | 133.20 | 134.15 | 175.64 | 181.93 | 301.91 | 138.05 | 381.28 | 127.76 | 171.97 | 167.93 | 147.51 |
| 2009 | 240.22 | 71.93 | 43.87 | 69.08 | 286.25 | 186.06 | 162.14 | 135.93 | 296.41 | 109.26 | 57.39 | 121.32 | 120.52 | 69.39 | 73.08 | 148.63 | 156.13 | 219.13 | 132.64 | 254.95 | 178.62 | 125.38 | 108.27 | 115.90 |
| 2010 | 123.33 | 178.60 | 29.82 | 69.79 | 89.05 | 142.30 | 75.49 | 93.51 | 72.81 | 113.42 | 141.44 | 103.05 | 88.22 | 126.11 | 130.94 | 126.22 | 165.31 | 109.64 | 153.10 | 146.54 | 202.74 | 214.18 | 254.28 | 110.12 |
| 2011 | 194.29 | 105.51 | 57.38 | 67.15 | 243.73 | 218.39 | 131.79 | 109.87 | 120.99 | 190.52 | 183.91 | 96.72 | 51.62 | 85.63 | 123.71 | 222.28 | 158.60 | 149.41 | 215.47 | 224.76 | 159.37 | 154.81 | 89.47 | 282.69 |
| 2012 | 106.11 | 95.60 | 54.63 | 79.47 | 143.66 | 113.38 | 205.81 | 135.09 | 263.14 | 245.87 | 42.07 | 67.19 | 182.96 | 75.71 | 50.22 | 155.01 | 94.99 | 137.04 | 114.06 | 160.45 | 142.93 | 210.19 | 175.07 | 134.06 |
| 2013 | 167.81 | 230.03 | 118.02 | 185.04 | 93.14 | 90.62 | 97.59 | 128.41 | 112.70 | 113.21 | 190.39 | 65.54 | 98.74 | 83.84 | 90.31 | 214.56 | 239.87 | 104.56 | 401.60 | 257.51 | 126.81 | 139.97 | 198.70 | 258.07 |
| 2014 | 78.14 | 2.99 | 5.51 | 67.82 | 23.08 | 105.35 | 111.29 | 31.04 | 76.53 | 187.25 | 117.56 | 50.90 | 88.22 | 125.75 | 114.39 | 182.78 | 211.03 | 175.33 | 174.29 | 202.22 | 124.90 | 125.87 | 124.72 | 250.45 |
| 2015 | 192.49 | 42.50 | 50.16 | 77.05 | 62.36 | 59.58 | 68.87 | 92.34 | 94.02 | 168.97 | 148.02 | 9.59 | 83.76 | 70.00 | 188.61 | 71.82 | 180.98 | 131.85 | 109.66 | 274.21 | 124.47 | 201.19 | 156.82 | 108.90 |
| 2016 | 65.81 | 189.82 | 168.35 | 82.02 | 50.09 | 93.33 | 56.19 | 67.10 | 69.61 | 218.02 | 158.55 | 77.56 | 138.22 | 165.26 | 82.83 | 217.66 | 292.01 | 308.22 | 203.94 | 292.30 | 118.92 | 146.09 | 138.59 | 129.65 |
| 2017 | 153.20 | 186.58 | 91.05 | 94.09 | 75.44 | 125.13 | 167.32 | 84.91 | 169.60 | 137.29 | 43.95 | 134.88 | 146.11 | 37.15 | 207.86 | 155.81 | 285.30 | 195.81 | 324.58 | 189.77 | 192.69 | 151.95 | 227.29 | 168.32 |
| 2018 | 200.02 | 103.20 | 6.74 | 117.92 | 39.45 | 142.27 | 60.03 | 149.89 | 80.40 | 127.43 | 30.40 | 207.32 | 154.19 | 153.25 | 106.53 | 142.37 | 208.84 | 147.61 | 266.04 | 170.82 | 200.00 | 83.93 | 117.89 | 168.74 |
| 2019 | 54.68 | 138.86 | 30.81 | 109.32 | 9.81 | 159.34 | 113.00 | 76.97 | 239.59 | 207.98 | 159.95 | 83.00 | 67.72 | 104.53 | 40.72 | 91.90 | 156.20 | 161.13 | 182.03 | 203.20 | 238.54 | 60.74 | 199.49 | 105.29 |
| 2020 | 21.05 | 209.70 | 62.31 | 78.39 | 84.36 | 74.88 | 115.54 | 221.51 | 204.80 | 112.25 | 225.54 | 164.81 | 118.76 | 100.21 | 68.88 | 105.24 | 282.07 | 108.77 | 168.18 | 178.84 | 147.11 | 191.97 | 285.79 | 153.83 |
| 2021 | 306.71 | 119.69 | 85.21 | 17.97 | 122.45 | 182.54 | 180.71 | 197.21 | 120.52 | 100.14 | 153.05 | 129.25 | 170.85 | 84.09 | 192.05 | 213.48 | 177.64 | 150.82 | 77.17 | 345.33 | 235.94 | 247.94 | 100.17 | 211.65 |
| 2022 | 145.00 | 144.78 | 110.99 | 164.14 | 126.45 | 127.99 | 128.74 | 77.90 | 126.02 | 92.68 | 187.60 | 220.84 | 175.97 | 98.82 | 184.06 | 149.27 | 76.70 | 278.08 | 168.25 | 314.39 | 248.21 | 171.13 | 291.10 | 125.02 |
| 2023 | 140.74 | 184.05 | 54.72 | 82.41 | 157.67 | 140.33 | 72.18 | 84.89 | 109.93 | 264.23 | 151.29 | 59.66 | 75.06 | 105.22 | 174.47 | 238.05 | 153.62 | 102.14 | 139.42 | 149.56 | 159.03 | 302.98 | 170.79 | 173.79 |
| 2024 | 114.08 | 179.49 | 27.78 | 225.82 | 53.99 | 103.70 | 63.57 | 178.34 | 66.93 | 194.12 | 98.75 | 271.45 | 37.89 | 55.80 | 143.14 | 221.69 | 251.79 | 137.02 | 264.68 | 137.92 | 153.93 | 253.04 | 127.58 | 111.34 |
| 2025 | 168.00 | 158.81 | 44.74 | 117.69 | 97.95 | 141.08 | 141.80 | 121.27 | 113.80 | 148.18 | 101.93 | 68.02 | 123.33 | 54.16 | 224.47 | 117.05 | 190.26 | 136.19 | – | – | – | – | – | – |
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 | 80.68 | 72.56 | 29.12 | 68.82 | 38.21 | 96.04 | 68.30 | 77.71 | 87.40 | 101.21 | 57.03 | 65.82 | 65.47 | 69.88 | 66.42 | 124.38 | 155.82 | 127.41 | 135.88 | 166.67 | 124.73 | 110.31 | 114.04 | 110.85 |
| R80mm/hari | 5.38 | 4.54 | 2.08 | 4.92 | 2.55 | 6.00 | 4.55 | 5.18 | 5.83 | 6.33 | 3.80 | 4.39 | 4.36 | 4.37 | 4.43 | 7.77 | 10.39 | 8.49 | 9.06 | 10.42 | 8.32 | 7.35 | 7.60 | 6.93 |
| Reff Padimm/hari | 3.77 | 3.17 | 1.46 | 3.44 | 1.78 | 4.20 | 3.19 | 3.63 | 4.08 | 4.43 | 2.66 | 3.07 | 3.06 | 3.06 | 3.10 | 5.44 | 7.27 | 5.95 | 6.34 | 7.29 | 5.82 | 5.15 | 5.32 | 4.85 |
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.