HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Pulau Banyak, Kec. Tanjung Pura, Langkat, Prov. Sumatera Utara
GPM01D_E09845_N0395
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.42
mm/hari
Reff Padi Rata-rata
3.80
mm/hari
Reff Padi Maksimum
8.06
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 | 112.48 | 111.99 | 10.49 | 29.09 | 69.63 | 19.74 | 42.14 | 19.72 | 66.10 | 151.81 | 160.36 | 118.28 | 77.13 | 265.94 | 231.18 | 369.47 | 184.54 | 150.52 | 144.77 | 458.60 | 185.85 | 214.87 | 154.31 | 476.07 |
| 1999 | 162.31 | 189.72 | 216.31 | 182.44 | 124.95 | 160.22 | 222.65 | 127.96 | 182.91 | 207.26 | 252.89 | 56.61 | 101.69 | 31.46 | 43.36 | 176.53 | 97.29 | 384.23 | 222.73 | 294.19 | 193.56 | 198.90 | 390.06 | 104.87 |
| 2000 | 175.48 | 91.62 | 52.76 | 131.01 | 116.70 | 239.36 | 139.24 | 116.00 | 135.01 | 103.48 | 90.04 | 105.90 | 32.23 | 139.66 | 186.11 | 101.74 | 159.73 | 460.34 | 194.44 | 275.12 | 136.93 | 192.09 | 38.64 | 229.19 |
| 2001 | 270.04 | 119.37 | 88.21 | 33.98 | 153.17 | 105.11 | 78.62 | 180.05 | 293.91 | 124.88 | 198.05 | 90.04 | 40.07 | 146.63 | 135.36 | 221.26 | 164.74 | 151.29 | 259.95 | 456.63 | 215.19 | 253.99 | 114.02 | 381.95 |
| 2002 | 38.73 | 141.69 | 10.29 | 60.11 | 11.34 | 137.70 | 46.59 | 106.50 | 195.30 | 52.12 | 78.02 | 95.27 | 146.83 | 86.59 | 112.53 | 71.74 | 179.36 | 238.85 | 130.46 | 223.32 | 121.62 | 129.89 | 57.00 | 197.16 |
| 2003 | 98.92 | 187.53 | 82.77 | 108.52 | 72.01 | 217.82 | 177.95 | 48.52 | 240.38 | 12.78 | 48.66 | 211.12 | 184.66 | 103.97 | 145.44 | 161.59 | 163.40 | 224.58 | 353.42 | 193.79 | 165.31 | 132.07 | 263.88 | 43.91 |
| 2004 | 154.01 | 61.22 | 47.08 | 100.77 | 174.07 | 61.83 | 28.76 | 144.04 | 111.26 | 100.87 | 188.60 | 75.99 | 107.58 | 158.60 | 73.47 | 124.92 | 215.24 | 293.32 | 134.91 | 279.84 | 210.17 | 20.94 | 154.06 | 71.73 |
| 2005 | 180.22 | 102.55 | 11.12 | 57.58 | 9.43 | 123.16 | 89.25 | 37.72 | 130.76 | 102.34 | 71.96 | 130.56 | 153.48 | 106.84 | 97.08 | 193.90 | 245.77 | 125.77 | 180.83 | 269.98 | 135.33 | 231.99 | 194.12 | 208.45 |
| 2006 | 196.71 | 13.59 | 157.14 | 104.51 | 25.24 | 148.47 | 157.56 | 159.94 | 224.78 | 120.77 | 165.11 | 241.08 | 119.50 | 111.03 | 102.97 | 179.43 | 185.45 | 153.34 | 170.09 | 253.17 | 130.78 | 116.84 | 143.59 | 290.84 |
| 2007 | 163.17 | 102.52 | 4.81 | 96.45 | 27.45 | 67.29 | 35.25 | 207.58 | 259.12 | 119.74 | 102.11 | 80.01 | 84.53 | 303.64 | 45.01 | 204.46 | 212.04 | 120.00 | 174.30 | 321.75 | 205.65 | 320.93 | 189.52 | 146.71 |
| 2008 | 36.73 | 78.29 | 37.54 | 65.09 | 129.82 | 141.40 | 83.59 | 140.18 | 135.05 | 93.35 | 63.30 | 130.81 | 136.71 | 214.59 | 98.40 | 217.92 | 277.44 | 190.06 | 232.36 | 317.18 | 173.65 | 217.38 | 224.52 | 173.75 |
| 2009 | 239.19 | 43.94 | 10.57 | 102.62 | 268.91 | 165.60 | 161.63 | 67.74 | 246.28 | 99.89 | 37.83 | 80.00 | 120.30 | 86.56 | 49.99 | 262.06 | 118.76 | 244.12 | 184.09 | 160.80 | 203.83 | 155.79 | 95.20 | 106.13 |
| 2010 | 166.45 | 96.14 | 22.18 | 59.47 | 68.84 | 85.84 | 80.81 | 65.72 | 55.99 | 95.83 | 165.72 | 138.66 | 73.72 | 171.43 | 125.02 | 133.01 | 122.67 | 187.90 | 173.08 | 180.50 | 222.12 | 228.06 | 263.86 | 130.20 |
| 2011 | 207.47 | 63.30 | 26.69 | 49.48 | 132.74 | 298.71 | 188.02 | 55.08 | 62.81 | 168.39 | 140.06 | 92.50 | 63.41 | 127.62 | 69.13 | 264.06 | 204.71 | 110.19 | 212.93 | 292.14 | 172.34 | 192.16 | 129.29 | 275.94 |
| 2012 | 143.18 | 93.32 | 40.50 | 118.45 | 152.79 | 102.68 | 152.30 | 77.18 | 243.70 | 217.24 | 59.30 | 33.44 | 125.71 | 120.09 | 52.83 | 169.91 | 141.16 | 127.14 | 120.12 | 182.43 | 146.29 | 151.68 | 175.89 | 173.66 |
| 2013 | 52.77 | 205.06 | 76.03 | 184.84 | 79.27 | 12.62 | 121.61 | 112.85 | 72.17 | 98.41 | 223.59 | 58.42 | 139.81 | 41.76 | 146.15 | 223.83 | 237.72 | 165.01 | 293.56 | 380.68 | 159.71 | 147.90 | 225.97 | 298.05 |
| 2014 | 146.83 | 2.88 | 4.58 | 53.84 | 8.32 | 65.09 | 72.51 | 29.56 | 84.40 | 143.39 | 86.77 | 51.36 | 51.41 | 77.86 | 126.82 | 188.53 | 137.44 | 250.42 | 125.93 | 292.36 | 93.59 | 173.68 | 146.68 | 401.59 |
| 2015 | 167.04 | 24.93 | 66.62 | 23.92 | 22.18 | 40.93 | 26.56 | 106.36 | 64.70 | 161.60 | 173.54 | 15.37 | 140.85 | 61.51 | 164.55 | 85.45 | 154.30 | 185.29 | 129.68 | 262.54 | 138.88 | 172.94 | 172.82 | 106.46 |
| 2016 | 35.43 | 191.51 | 205.86 | 47.47 | 5.48 | 83.30 | 13.88 | 47.90 | 103.84 | 125.39 | 90.15 | 143.52 | 105.46 | 185.16 | 64.59 | 249.35 | 315.11 | 231.70 | 279.93 | 293.27 | 194.15 | 89.10 | 175.75 | 120.13 |
| 2017 | 160.08 | 159.73 | 44.56 | 86.34 | 36.49 | 78.64 | 104.86 | 53.33 | 89.05 | 135.50 | 28.83 | 155.95 | 150.41 | 43.72 | 230.65 | 150.97 | 194.91 | 239.13 | 454.04 | 101.71 | 205.95 | 146.77 | 244.10 | 221.83 |
| 2018 | 182.86 | 111.20 | 1.79 | 107.63 | 43.33 | 87.98 | 72.89 | 176.37 | 91.20 | 119.97 | 50.74 | 176.85 | 53.95 | 134.22 | 68.59 | 229.57 | 164.11 | 136.80 | 355.49 | 212.55 | 170.05 | 92.96 | 180.34 | 70.46 |
| 2019 | 30.06 | 139.89 | 5.39 | 94.54 | 47.60 | 60.88 | 60.28 | 88.99 | 237.82 | 154.70 | 132.31 | 81.68 | 24.95 | 107.24 | 71.31 | 95.21 | 111.04 | 161.19 | 211.47 | 265.47 | 200.26 | 84.89 | 281.74 | 30.00 |
| 2020 | 7.53 | 169.59 | 40.75 | 87.80 | 68.03 | 39.05 | 85.56 | 203.43 | 246.02 | 121.55 | 153.26 | 120.99 | 87.00 | 125.76 | 53.99 | 106.33 | 289.40 | 159.25 | 165.82 | 185.45 | 95.39 | 297.26 | 189.95 | 302.31 |
| 2021 | 394.43 | 103.15 | 92.43 | 0.05 | 103.09 | 184.08 | 60.96 | 78.29 | 50.13 | 101.53 | 164.10 | 118.00 | 220.40 | 32.70 | 237.20 | 254.44 | 171.76 | 180.77 | 57.77 | 426.09 | 227.39 | 270.21 | 197.02 | 251.05 |
| 2022 | 170.03 | 42.11 | 94.66 | 246.01 | 160.37 | 114.73 | 54.89 | 71.75 | 209.54 | 61.55 | 230.77 | 201.43 | 105.05 | 107.02 | 107.12 | 175.17 | 109.49 | 265.79 | 222.31 | 316.06 | 308.14 | 157.26 | 492.96 | 64.04 |
| 2023 | 106.84 | 184.23 | 82.08 | 38.45 | 200.44 | 80.78 | 29.60 | 66.29 | 69.07 | 201.13 | 139.68 | 79.37 | 95.82 | 92.42 | 113.50 | 163.47 | 136.25 | 119.40 | 115.71 | 265.78 | 215.04 | 308.85 | 204.04 | 253.38 |
| 2024 | 128.07 | 172.11 | 48.03 | 110.80 | 47.53 | 75.92 | 86.35 | 81.48 | 105.43 | 164.77 | 97.73 | 216.54 | 83.07 | 37.71 | 129.21 | 268.08 | 195.02 | 190.26 | 250.76 | 128.72 | 97.49 | 272.41 | 130.17 | 156.99 |
| 2025 | 130.66 | 216.85 | 24.71 | 89.94 | 79.37 | 107.31 | 165.80 | 136.40 | 106.56 | 101.34 | 172.96 | 73.74 | 152.93 | 48.87 | 150.41 | 183.07 | 228.60 | 116.64 | – | – | – | – | – | – |
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 | 49.96 | 57.76 | 10.45 | 45.66 | 24.62 | 61.64 | 40.76 | 52.37 | 68.47 | 97.89 | 62.50 | 70.67 | 61.51 | 47.84 | 62.47 | 121.20 | 133.53 | 126.87 | 130.14 | 184.24 | 133.51 | 124.67 | 129.81 | 91.61 |
| R80mm/hari | 3.33 | 3.61 | 0.75 | 3.26 | 1.64 | 3.85 | 2.72 | 3.49 | 4.56 | 6.12 | 4.17 | 4.71 | 4.10 | 2.99 | 4.16 | 7.57 | 8.90 | 8.46 | 8.68 | 11.51 | 8.90 | 8.31 | 8.65 | 5.73 |
| Reff Padimm/hari | 2.33 | 2.53 | 0.52 | 2.28 | 1.15 | 2.70 | 1.90 | 2.44 | 3.20 | 4.28 | 2.92 | 3.30 | 2.87 | 2.09 | 2.92 | 5.30 | 6.23 | 5.92 | 6.07 | 8.06 | 6.23 | 5.82 | 6.06 | 4.01 |
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.