HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Harapan Maju, Kec. Sei Lepan, Langkat, Prov. Sumatera Utara
GPM01D_E09795_N0385
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.70
mm/hari
Reff Padi Rata-rata
3.99
mm/hari
Reff Padi Maksimum
6.92
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 | 111.81 | 72.71 | 56.61 | 92.31 | 34.63 | 81.52 | 63.44 | 81.77 | 70.32 | 188.17 | 217.15 | 159.80 | 221.12 | 199.24 | 259.30 | 353.08 | 104.50 | 186.19 | 155.93 | 425.83 | 275.39 | 198.05 | 126.74 | 364.32 |
| 1999 | 177.86 | 174.21 | 200.87 | 109.79 | 131.10 | 192.71 | 282.35 | 150.19 | 155.65 | 193.50 | 214.05 | 101.95 | 161.23 | 14.86 | 35.25 | 196.28 | 174.25 | 265.09 | 130.49 | 384.74 | 139.72 | 202.16 | 372.52 | 99.55 |
| 2000 | 97.68 | 110.90 | 48.95 | 152.17 | 122.49 | 315.70 | 148.68 | 240.47 | 154.57 | 121.73 | 92.54 | 113.27 | 16.07 | 174.38 | 196.17 | 104.31 | 236.89 | 295.98 | 167.97 | 231.06 | 96.49 | 213.01 | 54.27 | 176.87 |
| 2001 | 200.27 | 203.40 | 25.74 | 135.13 | 69.48 | 217.61 | 77.01 | 165.41 | 168.67 | 137.62 | 114.76 | 118.74 | 106.96 | 154.43 | 102.51 | 184.34 | 159.72 | 134.79 | 191.23 | 436.68 | 351.67 | 222.37 | 262.40 | 244.21 |
| 2002 | 101.48 | 115.61 | 37.27 | 101.02 | 10.38 | 195.02 | 136.23 | 155.94 | 145.70 | 145.88 | 105.23 | 85.78 | 71.55 | 123.44 | 129.92 | 58.46 | 285.99 | 201.16 | 200.77 | 169.61 | 109.68 | 110.16 | 65.79 | 153.13 |
| 2003 | 131.12 | 134.03 | 111.57 | 122.26 | 36.49 | 248.44 | 141.90 | 137.49 | 277.63 | 11.35 | 67.95 | 177.49 | 181.53 | 120.08 | 193.58 | 130.44 | 86.63 | 321.24 | 291.86 | 162.10 | 203.45 | 141.01 | 237.49 | 87.77 |
| 2004 | 138.26 | 54.55 | 48.07 | 137.99 | 148.42 | 161.01 | 129.47 | 183.02 | 116.90 | 103.38 | 163.27 | 83.35 | 78.10 | 188.13 | 165.84 | 102.35 | 221.18 | 230.07 | 188.38 | 209.93 | 132.55 | 66.73 | 155.78 | 54.03 |
| 2005 | 177.34 | 223.03 | 31.72 | 92.62 | 75.19 | 120.46 | 161.28 | 55.35 | 55.64 | 229.92 | 117.54 | 92.54 | 180.00 | 78.20 | 35.51 | 229.39 | 110.09 | 143.48 | 153.80 | 218.14 | 154.81 | 239.28 | 279.56 | 131.05 |
| 2006 | 186.38 | 36.74 | 127.14 | 140.33 | 15.65 | 202.39 | 131.28 | 195.76 | 218.82 | 106.94 | 170.53 | 198.82 | 56.39 | 126.99 | 94.32 | 228.28 | 141.84 | 195.17 | 196.89 | 196.45 | 146.76 | 83.31 | 79.56 | 310.34 |
| 2007 | 103.34 | 112.37 | 11.14 | 121.34 | 84.32 | 105.89 | 127.15 | 154.02 | 229.40 | 188.60 | 126.47 | 76.34 | 86.61 | 194.01 | 72.15 | 208.71 | 183.11 | 113.17 | 95.81 | 368.24 | 200.25 | 232.72 | 173.08 | 155.44 |
| 2008 | 156.80 | 47.11 | 77.56 | 47.18 | 92.12 | 296.32 | 63.82 | 200.57 | 142.74 | 92.25 | 80.74 | 108.49 | 119.88 | 162.70 | 119.61 | 179.51 | 193.21 | 206.03 | 167.85 | 219.79 | 176.57 | 189.86 | 205.02 | 143.81 |
| 2009 | 207.13 | 60.75 | 32.64 | 82.07 | 239.48 | 245.43 | 151.17 | 113.11 | 256.26 | 127.35 | 38.77 | 109.59 | 118.98 | 89.42 | 47.83 | 228.94 | 195.65 | 145.23 | 96.25 | 269.48 | 166.39 | 142.86 | 136.30 | 76.54 |
| 2010 | 138.52 | 138.67 | 15.93 | 101.14 | 78.80 | 164.15 | 55.36 | 186.82 | 65.21 | 94.38 | 141.08 | 134.15 | 55.44 | 164.59 | 164.10 | 117.63 | 299.11 | 91.90 | 208.15 | 128.45 | 185.05 | 258.86 | 241.90 | 149.92 |
| 2011 | 187.90 | 82.32 | 65.30 | 51.49 | 229.10 | 242.75 | 147.31 | 95.32 | 74.29 | 159.07 | 171.18 | 60.99 | 50.77 | 121.10 | 259.71 | 151.77 | 180.01 | 115.33 | 279.23 | 137.29 | 132.87 | 143.85 | 164.24 | 228.81 |
| 2012 | 105.00 | 129.54 | 76.45 | 95.10 | 186.53 | 87.75 | 204.02 | 114.05 | 197.43 | 261.80 | 39.74 | 104.36 | 98.91 | 153.78 | 53.68 | 173.24 | 145.72 | 84.92 | 148.68 | 140.90 | 168.26 | 203.75 | 241.39 | 86.83 |
| 2013 | 147.40 | 225.78 | 133.06 | 148.15 | 85.66 | 163.55 | 150.16 | 135.26 | 94.56 | 210.12 | 174.42 | 124.59 | 79.77 | 110.93 | 112.94 | 174.97 | 254.68 | 96.66 | 213.34 | 242.59 | 102.48 | 110.05 | 121.59 | 320.01 |
| 2014 | 132.43 | 2.46 | 4.72 | 68.80 | 7.94 | 126.94 | 152.13 | 43.71 | 162.93 | 149.00 | 136.58 | 35.22 | 107.89 | 53.90 | 105.34 | 194.79 | 159.62 | 156.39 | 147.62 | 198.58 | 129.01 | 136.74 | 162.43 | 267.55 |
| 2015 | 205.04 | 43.84 | 70.47 | 70.37 | 30.94 | 95.01 | 119.35 | 78.71 | 103.30 | 150.71 | 173.99 | 26.43 | 75.89 | 67.97 | 120.06 | 85.55 | 96.45 | 199.68 | 170.35 | 171.88 | 136.83 | 162.46 | 86.37 | 119.27 |
| 2016 | 76.36 | 125.28 | 155.37 | 20.69 | 55.85 | 84.44 | 72.47 | 86.74 | 62.18 | 166.77 | 158.41 | 119.37 | 70.89 | 146.71 | 44.85 | 233.12 | 281.98 | 159.17 | 184.96 | 222.56 | 164.79 | 81.23 | 111.52 | 146.83 |
| 2017 | 141.72 | 168.49 | 97.11 | 66.43 | 85.23 | 122.74 | 145.33 | 94.27 | 95.33 | 135.09 | 61.08 | 107.56 | 159.83 | 20.39 | 162.69 | 224.58 | 228.28 | 160.50 | 423.02 | 110.95 | 216.83 | 132.72 | 253.20 | 126.07 |
| 2018 | 171.85 | 100.58 | 19.84 | 111.87 | 49.74 | 155.58 | 52.71 | 175.03 | 59.97 | 163.00 | 24.19 | 142.75 | 102.04 | 128.33 | 52.16 | 200.38 | 133.37 | 135.79 | 307.73 | 188.73 | 163.58 | 135.16 | 110.02 | 124.43 |
| 2019 | 77.59 | 126.70 | 31.79 | 99.81 | 33.51 | 118.08 | 93.97 | 79.79 | 182.12 | 212.33 | 145.97 | 72.19 | 38.54 | 102.03 | 31.30 | 123.64 | 79.47 | 113.21 | 167.99 | 235.74 | 233.58 | 52.54 | 183.24 | 58.77 |
| 2020 | 20.49 | 130.03 | 42.15 | 71.48 | 81.25 | 87.52 | 136.44 | 237.89 | 200.47 | 126.02 | 192.07 | 106.77 | 184.26 | 94.06 | 66.43 | 83.78 | 239.56 | 115.09 | 161.53 | 174.92 | 110.89 | 171.25 | 247.49 | 162.42 |
| 2021 | 251.39 | 110.32 | 111.83 | 7.94 | 105.42 | 169.09 | 97.10 | 142.14 | 92.46 | 85.88 | 88.17 | 115.13 | 176.95 | 81.73 | 176.70 | 192.05 | 151.39 | 134.21 | 98.66 | 317.92 | 179.84 | 251.26 | 87.26 | 198.10 |
| 2022 | 142.89 | 71.30 | 105.37 | 176.96 | 119.98 | 175.24 | 151.08 | 71.14 | 161.53 | 80.47 | 155.90 | 207.94 | 70.61 | 164.54 | 97.79 | 197.69 | 91.05 | 259.80 | 234.43 | 276.75 | 273.27 | 108.04 | 317.01 | 94.10 |
| 2023 | 166.18 | 163.27 | 83.42 | 61.33 | 109.91 | 106.79 | 92.33 | 71.06 | 118.36 | 158.61 | 137.08 | 132.55 | 87.86 | 62.15 | 111.99 | 219.72 | 124.81 | 128.37 | 245.30 | 108.79 | 161.24 | 164.64 | 191.87 | 175.68 |
| 2024 | 91.75 | 158.19 | 41.85 | 98.38 | 39.88 | 91.20 | 33.86 | 162.39 | 78.83 | 210.48 | 102.13 | 187.63 | 46.10 | 29.77 | 120.54 | 222.28 | 229.10 | 124.59 | 259.59 | 119.49 | 136.20 | 156.49 | 171.59 | 119.91 |
| 2025 | 188.40 | 103.27 | 25.67 | 134.10 | 95.78 | 140.13 | 194.66 | 111.99 | 189.09 | 76.13 | 93.44 | 83.54 | 120.50 | 33.14 | 133.78 | 121.38 | 263.19 | 138.95 | – | – | – | – | – | – |
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 | 100.72 | 59.51 | 25.72 | 65.41 | 34.40 | 94.24 | 70.74 | 79.57 | 73.49 | 93.95 | 78.18 | 81.94 | 56.20 | 60.50 | 51.29 | 114.97 | 108.97 | 114.71 | 148.25 | 139.45 | 131.13 | 109.24 | 100.91 | 91.57 |
| R80mm/hari | 6.71 | 3.72 | 1.84 | 4.67 | 2.29 | 5.89 | 4.72 | 5.30 | 4.90 | 5.87 | 5.21 | 5.46 | 3.75 | 3.78 | 3.42 | 7.19 | 7.26 | 7.65 | 9.88 | 8.72 | 8.74 | 7.28 | 6.73 | 5.72 |
| Reff Padimm/hari | 4.70 | 2.60 | 1.29 | 3.27 | 1.61 | 4.12 | 3.30 | 3.71 | 3.43 | 4.11 | 3.65 | 3.82 | 2.62 | 2.65 | 2.39 | 5.03 | 5.09 | 5.35 | 6.92 | 6.10 | 6.12 | 5.10 | 4.71 | 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.