HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Adin Tengah, Kec. Salapian, Langkat, Prov. Sumatera Utara
GPM01D_E09835_N0335
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.27
mm/hari
Reff Padi Rata-rata
4.39
mm/hari
Reff Padi Maksimum
7.10
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 | 210.86 | 79.84 | 44.11 | 85.97 | 69.76 | 45.27 | 76.18 | 28.14 | 118.37 | 66.39 | 210.76 | 71.28 | 123.28 | 198.62 | 237.93 | 301.21 | 173.52 | 59.66 | 174.97 | 242.11 | 180.97 | 193.80 | 155.33 | 306.33 |
| 1999 | 296.04 | 142.09 | 206.04 | 112.76 | 131.87 | 165.98 | 252.00 | 174.00 | 119.53 | 191.57 | 170.84 | 133.29 | 103.54 | 38.04 | 45.84 | 203.31 | 182.03 | 331.10 | 226.13 | 177.57 | 126.67 | 149.57 | 317.99 | 139.10 |
| 2000 | 145.60 | 87.33 | 63.22 | 187.19 | 127.59 | 309.91 | 101.98 | 143.60 | 77.57 | 96.76 | 85.65 | 99.89 | 29.96 | 126.84 | 192.54 | 76.18 | 310.95 | 349.39 | 108.68 | 216.25 | 61.69 | 166.16 | 66.67 | 205.93 |
| 2001 | 175.44 | 232.67 | 55.42 | 105.51 | 77.04 | 188.61 | 173.55 | 76.11 | 181.71 | 84.75 | 98.30 | 170.69 | 84.84 | 139.77 | 109.35 | 224.59 | 177.70 | 117.07 | 165.14 | 432.00 | 265.99 | 212.18 | 193.69 | 291.45 |
| 2002 | 85.75 | 158.04 | 46.85 | 126.32 | 36.26 | 191.48 | 145.93 | 139.67 | 112.13 | 138.64 | 84.48 | 43.19 | 42.60 | 182.60 | 74.87 | 106.20 | 285.71 | 160.69 | 187.56 | 283.57 | 103.57 | 173.53 | 125.18 | 191.92 |
| 2003 | 118.78 | 205.22 | 172.50 | 79.05 | 79.12 | 184.61 | 148.81 | 131.17 | 210.67 | 14.41 | 41.69 | 207.31 | 172.31 | 88.49 | 128.91 | 178.59 | 177.63 | 216.43 | 254.09 | 162.28 | 223.84 | 137.58 | 237.39 | 119.94 |
| 2004 | 201.55 | 43.97 | 87.21 | 130.94 | 165.64 | 222.88 | 102.60 | 180.30 | 138.17 | 87.61 | 78.28 | 164.61 | 175.09 | 104.41 | 57.94 | 103.03 | 218.99 | 276.68 | 262.02 | 186.48 | 153.73 | 145.11 | 151.48 | 83.24 |
| 2005 | 229.50 | 60.61 | 49.25 | 58.69 | 113.05 | 105.46 | 127.08 | 73.60 | 131.70 | 127.86 | 98.38 | 53.83 | 147.85 | 91.78 | 21.03 | 222.50 | 120.93 | 128.40 | 174.69 | 234.88 | 116.95 | 164.43 | 277.18 | 109.62 |
| 2006 | 200.42 | 38.24 | 164.60 | 135.20 | 35.99 | 158.75 | 108.03 | 202.13 | 258.76 | 116.16 | 130.61 | 278.56 | 70.39 | 93.40 | 47.20 | 183.53 | 135.44 | 173.83 | 171.98 | 224.08 | 159.06 | 136.73 | 151.38 | 215.21 |
| 2007 | 153.81 | 92.19 | 19.15 | 142.90 | 67.54 | 101.40 | 147.53 | 118.39 | 246.30 | 154.42 | 80.67 | 107.00 | 52.26 | 227.43 | 53.34 | 147.09 | 189.51 | 193.67 | 168.98 | 321.80 | 224.00 | 213.76 | 140.20 | 214.90 |
| 2008 | 124.10 | 83.75 | 71.48 | 72.34 | 180.96 | 145.51 | 83.55 | 196.74 | 143.94 | 98.90 | 89.54 | 112.26 | 141.42 | 129.17 | 85.26 | 233.86 | 197.01 | 249.00 | 115.15 | 383.85 | 94.52 | 199.78 | 195.50 | 133.66 |
| 2009 | 250.82 | 76.05 | 63.55 | 66.65 | 224.84 | 265.63 | 101.74 | 289.83 | 215.63 | 110.95 | 121.64 | 71.51 | 77.21 | 58.34 | 58.61 | 151.63 | 149.09 | 219.17 | 96.40 | 294.18 | 216.59 | 133.02 | 162.42 | 132.33 |
| 2010 | 156.84 | 135.45 | 75.23 | 38.69 | 109.48 | 160.78 | 65.26 | 155.67 | 106.07 | 120.39 | 97.07 | 148.10 | 130.48 | 150.67 | 179.03 | 106.12 | 136.14 | 137.91 | 149.70 | 179.61 | 176.75 | 268.48 | 305.25 | 155.69 |
| 2011 | 209.72 | 107.55 | 85.78 | 62.72 | 258.37 | 194.62 | 105.68 | 140.13 | 70.68 | 227.50 | 129.11 | 132.77 | 50.53 | 70.84 | 192.05 | 171.21 | 167.44 | 116.88 | 239.90 | 219.87 | 156.74 | 212.66 | 148.62 | 209.56 |
| 2012 | 97.60 | 85.70 | 173.10 | 75.76 | 133.24 | 126.16 | 204.22 | 191.65 | 219.76 | 226.80 | 29.51 | 72.87 | 137.38 | 123.44 | 38.34 | 207.20 | 105.83 | 98.54 | 119.35 | 122.89 | 174.48 | 180.39 | 190.47 | 156.34 |
| 2013 | 142.16 | 205.10 | 110.99 | 145.97 | 76.83 | 111.92 | 135.82 | 94.55 | 106.00 | 109.61 | 177.07 | 44.71 | 66.08 | 99.49 | 73.61 | 219.13 | 247.95 | 85.27 | 331.74 | 326.45 | 96.32 | 169.07 | 191.25 | 264.80 |
| 2014 | 145.34 | 10.54 | 24.43 | 155.31 | 41.85 | 102.67 | 157.25 | 61.18 | 120.71 | 128.39 | 143.19 | 57.65 | 35.57 | 96.02 | 112.79 | 173.79 | 236.95 | 175.51 | 171.05 | 236.11 | 130.85 | 160.10 | 165.13 | 240.53 |
| 2015 | 205.47 | 33.28 | 73.57 | 89.35 | 59.84 | 83.18 | 156.64 | 81.67 | 107.44 | 171.37 | 161.02 | 18.89 | 45.93 | 106.58 | 188.79 | 42.86 | 192.12 | 105.98 | 180.07 | 159.69 | 131.90 | 169.42 | 206.25 | 93.18 |
| 2016 | 84.01 | 237.63 | 176.30 | 104.85 | 79.27 | 83.36 | 103.13 | 104.22 | 103.00 | 165.86 | 185.32 | 64.38 | 65.35 | 172.04 | 53.07 | 131.46 | 263.66 | 197.21 | 135.98 | 351.64 | 131.84 | 143.16 | 113.52 | 157.57 |
| 2017 | 140.19 | 206.76 | 74.65 | 192.88 | 99.21 | 119.70 | 138.07 | 95.54 | 143.62 | 103.73 | 54.59 | 125.02 | 101.33 | 20.53 | 174.43 | 152.97 | 311.24 | 173.05 | 234.27 | 189.64 | 190.12 | 156.48 | 196.24 | 214.71 |
| 2018 | 159.99 | 109.53 | 24.69 | 131.64 | 137.40 | 108.80 | 99.38 | 103.05 | 111.83 | 120.04 | 38.33 | 125.22 | 98.93 | 92.40 | 67.32 | 126.95 | 182.14 | 125.81 | 264.72 | 204.62 | 200.87 | 99.36 | 186.22 | 168.42 |
| 2019 | 70.69 | 143.86 | 38.92 | 127.79 | 39.25 | 132.52 | 108.86 | 80.21 | 204.94 | 187.68 | 123.04 | 88.88 | 54.13 | 74.35 | 61.29 | 102.44 | 133.44 | 95.72 | 192.56 | 211.64 | 156.32 | 96.29 | 205.37 | 124.66 |
| 2020 | 19.91 | 186.58 | 109.57 | 53.67 | 105.43 | 154.92 | 122.19 | 190.02 | 147.25 | 117.10 | 228.49 | 91.86 | 139.17 | 102.98 | 67.55 | 110.97 | 225.52 | 93.20 | 159.53 | 150.83 | 153.69 | 181.08 | 274.14 | 117.50 |
| 2021 | 295.58 | 110.64 | 107.43 | 24.06 | 109.41 | 198.91 | 148.23 | 190.41 | 187.02 | 89.11 | 102.50 | 128.23 | 178.95 | 68.23 | 161.09 | 260.91 | 146.92 | 207.38 | 56.19 | 343.44 | 200.15 | 216.46 | 152.02 | 213.02 |
| 2022 | 158.00 | 142.06 | 181.96 | 148.72 | 154.12 | 161.99 | 133.91 | 73.56 | 139.57 | 103.35 | 123.50 | 215.92 | 107.79 | 58.21 | 115.11 | 151.15 | 70.45 | 204.75 | 160.15 | 292.75 | 217.31 | 156.54 | 256.55 | 145.87 |
| 2023 | 179.53 | 224.32 | 128.21 | 59.78 | 164.71 | 156.13 | 81.32 | 86.43 | 91.96 | 169.94 | 107.35 | 95.88 | 60.91 | 87.86 | 125.43 | 335.68 | 196.08 | 101.43 | 134.69 | 162.42 | 174.56 | 290.38 | 189.11 | 204.30 |
| 2024 | 123.16 | 203.34 | 66.86 | 170.91 | 50.69 | 131.79 | 67.63 | 200.41 | 83.51 | 154.89 | 149.15 | 191.56 | 47.73 | 38.76 | 173.69 | 234.93 | 230.97 | 121.78 | 350.06 | 99.72 | 174.96 | 212.36 | 117.72 | 104.42 |
| 2025 | 176.49 | 207.79 | 45.07 | 130.66 | 112.86 | 155.01 | 186.43 | 116.44 | 98.00 | 168.78 | 85.14 | 81.90 | 89.39 | 29.60 | 199.20 | 78.94 | 157.06 | 103.03 | – | – | – | – | – | – |
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 | 114.54 | 72.96 | 44.88 | 62.13 | 58.01 | 104.90 | 96.21 | 79.39 | 102.00 | 95.23 | 80.19 | 63.03 | 49.97 | 58.31 | 53.29 | 105.50 | 136.00 | 100.85 | 128.55 | 162.36 | 122.78 | 140.93 | 145.25 | 118.96 |
| R80mm/hari | 7.64 | 4.56 | 3.21 | 4.44 | 3.87 | 6.56 | 6.41 | 5.29 | 6.80 | 5.95 | 5.35 | 4.20 | 3.33 | 3.64 | 3.55 | 6.59 | 9.07 | 6.72 | 8.57 | 10.15 | 8.19 | 9.40 | 9.68 | 7.43 |
| Reff Padimm/hari | 5.35 | 3.19 | 2.24 | 3.11 | 2.71 | 4.59 | 4.49 | 3.70 | 4.76 | 4.17 | 3.74 | 2.94 | 2.33 | 2.55 | 2.49 | 4.62 | 6.35 | 4.71 | 6.00 | 7.10 | 5.73 | 6.58 | 6.78 | 5.20 |
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.