HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Mekar Jaya, Kec. Wampu, Langkat, Prov. Sumatera Utara
GPM01D_E09835_N0375
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.42
mm/hari
Reff Padi Rata-rata
3.80
mm/hari
Reff Padi Maksimum
7.23
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 | 94.10 | 25.74 | 25.93 | 11.61 | 45.17 | 59.54 | 70.17 | 7.75 | 69.97 | 113.92 | 130.74 | 103.94 | 118.30 | 227.06 | 181.87 | 360.32 | 138.91 | 156.28 | 149.82 | 365.96 | 191.51 | 197.18 | 167.92 | 327.54 |
| 1999 | 176.18 | 157.82 | 180.97 | 131.73 | 90.22 | 157.25 | 229.38 | 186.84 | 226.78 | 160.77 | 256.70 | 60.78 | 101.49 | 36.24 | 34.36 | 171.89 | 150.86 | 315.82 | 190.33 | 252.08 | 153.07 | 173.58 | 392.12 | 67.18 |
| 2000 | 142.46 | 94.10 | 64.05 | 99.99 | 167.24 | 199.28 | 119.36 | 128.18 | 161.53 | 76.42 | 67.01 | 123.32 | 20.36 | 137.71 | 158.87 | 134.29 | 214.65 | 376.93 | 178.37 | 287.74 | 120.65 | 151.66 | 26.84 | 217.17 |
| 2001 | 233.55 | 114.76 | 79.03 | 28.37 | 96.17 | 179.95 | 75.57 | 147.06 | 251.67 | 166.91 | 88.88 | 194.89 | 71.09 | 122.32 | 114.01 | 263.92 | 187.84 | 114.03 | 283.85 | 423.24 | 240.56 | 243.23 | 155.13 | 320.73 |
| 2002 | 27.05 | 126.95 | 10.02 | 79.74 | 10.00 | 127.31 | 112.21 | 79.45 | 175.91 | 71.25 | 82.66 | 78.86 | 75.70 | 123.14 | 103.54 | 63.88 | 214.81 | 224.18 | 178.24 | 171.85 | 91.51 | 107.22 | 35.22 | 169.41 |
| 2003 | 71.53 | 207.23 | 91.40 | 106.20 | 46.79 | 183.09 | 185.20 | 57.05 | 265.79 | 8.36 | 42.05 | 192.70 | 171.49 | 85.69 | 133.21 | 158.60 | 150.34 | 240.94 | 317.29 | 157.85 | 177.36 | 111.73 | 249.77 | 59.56 |
| 2004 | 124.26 | 51.43 | 50.71 | 120.78 | 158.35 | 86.98 | 78.13 | 113.46 | 93.17 | 129.72 | 169.98 | 97.92 | 100.85 | 154.29 | 79.27 | 103.32 | 204.82 | 288.62 | 292.43 | 133.42 | 159.48 | 40.26 | 130.32 | 69.43 |
| 2005 | 215.55 | 69.04 | 24.02 | 47.19 | 26.82 | 112.07 | 67.61 | 78.62 | 107.71 | 125.86 | 93.81 | 84.19 | 176.61 | 82.24 | 63.35 | 208.93 | 163.93 | 141.21 | 158.94 | 245.76 | 146.66 | 207.70 | 243.04 | 160.40 |
| 2006 | 217.53 | 5.39 | 129.55 | 127.04 | 10.63 | 179.95 | 108.07 | 192.15 | 236.34 | 110.40 | 110.56 | 252.03 | 90.45 | 117.58 | 149.75 | 144.34 | 130.34 | 201.28 | 212.25 | 211.23 | 137.58 | 104.08 | 91.31 | 273.42 |
| 2007 | 141.09 | 76.32 | 15.37 | 76.69 | 22.49 | 90.76 | 62.58 | 182.50 | 311.38 | 122.33 | 67.97 | 101.18 | 97.80 | 244.03 | 36.89 | 217.80 | 224.80 | 134.31 | 94.15 | 405.64 | 186.36 | 305.62 | 145.58 | 144.65 |
| 2008 | 71.28 | 85.14 | 44.29 | 55.50 | 107.83 | 158.68 | 39.87 | 176.21 | 156.10 | 93.81 | 85.36 | 88.48 | 145.63 | 173.04 | 97.98 | 209.35 | 176.83 | 239.77 | 184.12 | 339.48 | 117.09 | 246.13 | 199.68 | 136.67 |
| 2009 | 266.30 | 33.88 | 21.06 | 87.20 | 217.60 | 186.88 | 156.92 | 78.41 | 237.71 | 204.90 | 54.58 | 61.24 | 70.21 | 117.33 | 66.88 | 209.68 | 139.05 | 235.99 | 145.93 | 173.37 | 160.01 | 125.73 | 110.76 | 77.84 |
| 2010 | 123.37 | 135.11 | 33.91 | 42.99 | 78.38 | 108.17 | 81.97 | 69.80 | 46.14 | 116.83 | 150.95 | 114.77 | 65.81 | 148.14 | 207.08 | 73.55 | 146.58 | 121.69 | 173.82 | 170.02 | 210.44 | 196.73 | 218.48 | 111.95 |
| 2011 | 146.88 | 102.79 | 26.15 | 62.95 | 205.42 | 238.98 | 118.54 | 93.03 | 79.35 | 156.09 | 168.02 | 88.22 | 59.16 | 123.37 | 84.33 | 242.31 | 174.94 | 134.04 | 247.11 | 214.03 | 142.81 | 155.96 | 108.86 | 274.24 |
| 2012 | 107.25 | 75.59 | 63.94 | 81.83 | 162.67 | 70.99 | 180.77 | 103.26 | 216.98 | 291.35 | 65.21 | 39.10 | 141.41 | 114.45 | 46.88 | 141.95 | 117.84 | 130.67 | 151.73 | 137.54 | 167.39 | 211.69 | 167.06 | 93.73 |
| 2013 | 99.73 | 224.62 | 67.67 | 215.32 | 103.68 | 46.17 | 95.85 | 147.21 | 89.22 | 122.64 | 313.04 | 57.99 | 148.01 | 52.73 | 71.54 | 229.54 | 211.60 | 119.96 | 293.63 | 257.08 | 103.37 | 144.35 | 250.27 | 192.41 |
| 2014 | 69.42 | 0.88 | 1.76 | 65.75 | 6.04 | 98.02 | 87.50 | 22.86 | 70.76 | 167.17 | 92.35 | 42.28 | 50.90 | 99.98 | 117.32 | 178.71 | 161.72 | 217.31 | 128.66 | 246.12 | 130.31 | 119.86 | 123.42 | 275.43 |
| 2015 | 189.81 | 28.01 | 36.84 | 53.43 | 33.52 | 71.90 | 49.31 | 109.03 | 70.12 | 115.51 | 114.56 | 27.93 | 117.95 | 65.54 | 189.12 | 55.48 | 142.41 | 153.74 | 184.12 | 183.76 | 95.70 | 190.44 | 159.30 | 91.16 |
| 2016 | 76.59 | 119.66 | 166.79 | 40.30 | 8.11 | 82.95 | 35.42 | 56.75 | 112.55 | 143.71 | 110.00 | 107.51 | 124.28 | 159.98 | 54.39 | 217.62 | 267.02 | 290.51 | 239.63 | 319.86 | 144.71 | 65.30 | 160.12 | 89.49 |
| 2017 | 124.78 | 162.06 | 73.81 | 68.07 | 62.34 | 111.46 | 142.65 | 63.48 | 96.19 | 147.25 | 39.07 | 129.50 | 134.11 | 55.31 | 157.14 | 190.34 | 198.78 | 235.59 | 370.73 | 124.24 | 202.57 | 124.59 | 260.65 | 138.73 |
| 2018 | 165.22 | 81.96 | 2.17 | 90.83 | 27.72 | 107.04 | 42.81 | 167.72 | 79.86 | 115.14 | 42.18 | 153.13 | 140.35 | 128.95 | 108.60 | 138.61 | 161.58 | 171.35 | 281.65 | 195.28 | 169.11 | 102.52 | 102.42 | 143.72 |
| 2019 | 48.75 | 132.92 | 13.06 | 109.27 | 29.25 | 77.73 | 77.65 | 91.89 | 255.98 | 201.27 | 133.01 | 91.80 | 48.78 | 100.28 | 45.96 | 98.72 | 146.88 | 152.61 | 195.33 | 208.74 | 240.85 | 41.49 | 224.72 | 45.79 |
| 2020 | 10.20 | 195.93 | 41.12 | 68.06 | 44.91 | 51.82 | 85.21 | 198.59 | 218.40 | 112.05 | 148.14 | 180.23 | 119.90 | 81.48 | 83.42 | 83.55 | 260.10 | 158.40 | 177.06 | 204.96 | 97.32 | 215.71 | 212.28 | 246.79 |
| 2021 | 252.16 | 131.96 | 95.00 | 0.05 | 98.43 | 141.04 | 83.95 | 120.62 | 77.75 | 95.83 | 138.54 | 112.56 | 153.46 | 65.32 | 181.16 | 195.36 | 186.99 | 111.22 | 77.07 | 351.40 | 192.25 | 232.38 | 98.08 | 307.89 |
| 2022 | 137.61 | 82.05 | 89.07 | 177.03 | 126.15 | 99.33 | 98.82 | 52.49 | 183.47 | 62.55 | 206.63 | 223.78 | 133.26 | 95.11 | 140.36 | 157.13 | 116.82 | 254.81 | 225.38 | 291.35 | 238.75 | 166.75 | 377.13 | 83.33 |
| 2023 | 120.27 | 192.84 | 39.96 | 64.35 | 169.17 | 91.46 | 48.07 | 67.17 | 48.66 | 273.11 | 198.09 | 62.56 | 63.20 | 108.67 | 178.46 | 167.04 | 134.11 | 112.42 | 124.67 | 198.79 | 142.86 | 297.77 | 222.56 | 166.22 |
| 2024 | 127.33 | 154.19 | 30.57 | 114.41 | 36.86 | 88.98 | 88.68 | 101.70 | 88.37 | 169.37 | 119.77 | 268.66 | 56.63 | 26.55 | 147.63 | 231.68 | 254.08 | 129.76 | 244.13 | 147.49 | 160.17 | 207.98 | 127.30 | 101.99 |
| 2025 | 160.89 | 171.33 | 19.54 | 95.77 | 74.23 | 118.66 | 135.25 | 154.11 | 113.14 | 131.78 | 108.32 | 93.19 | 149.54 | 93.12 | 190.43 | 140.71 | 180.87 | 119.21 | – | – | – | – | – | – |
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 | 71.48 | 47.92 | 18.70 | 46.35 | 25.95 | 76.56 | 59.93 | 62.19 | 76.35 | 95.42 | 66.65 | 61.15 | 62.39 | 65.50 | 61.56 | 102.40 | 139.02 | 121.34 | 148.26 | 165.15 | 119.22 | 105.96 | 106.28 | 81.13 |
| R80mm/hari | 4.77 | 2.99 | 1.34 | 3.31 | 1.73 | 4.78 | 4.00 | 4.15 | 5.09 | 5.96 | 4.44 | 4.08 | 4.16 | 4.09 | 4.10 | 6.40 | 9.27 | 8.09 | 9.88 | 10.32 | 7.95 | 7.06 | 7.09 | 5.07 |
| Reff Padimm/hari | 3.34 | 2.10 | 0.94 | 2.32 | 1.21 | 3.35 | 2.80 | 2.90 | 3.56 | 4.17 | 3.11 | 2.85 | 2.91 | 2.87 | 2.87 | 4.48 | 6.49 | 5.66 | 6.92 | 7.23 | 5.56 | 4.94 | 4.96 | 3.55 |
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.