HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Sulkam, Kec. Kutambaru, Langkat, Prov. Sumatera Utara
GPM01D_E09835_N0325
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.07
mm/hari
Reff Padi Rata-rata
4.25
mm/hari
Reff Padi Maksimum
6.81
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 | 205.34 | 69.22 | 51.56 | 77.35 | 82.96 | 35.12 | 57.05 | 47.00 | 97.78 | 58.43 | 148.71 | 69.75 | 97.26 | 203.94 | 241.78 | 265.34 | 123.19 | 88.41 | 187.08 | 194.09 | 177.33 | 127.14 | 152.18 | 292.75 |
| 1999 | 232.90 | 178.55 | 192.16 | 108.93 | 166.99 | 122.33 | 247.79 | 131.86 | 123.47 | 173.31 | 165.72 | 91.49 | 91.34 | 41.34 | 43.24 | 177.92 | 178.61 | 307.32 | 213.34 | 182.17 | 131.27 | 119.44 | 288.54 | 127.95 |
| 2000 | 161.69 | 75.64 | 58.71 | 179.27 | 99.53 | 316.73 | 87.74 | 146.84 | 65.95 | 90.13 | 91.24 | 94.31 | 36.96 | 114.28 | 187.76 | 57.53 | 222.46 | 351.63 | 114.01 | 178.18 | 75.60 | 155.35 | 68.76 | 207.14 |
| 2001 | 150.59 | 229.26 | 56.27 | 80.12 | 76.07 | 172.46 | 186.53 | 70.29 | 189.91 | 48.15 | 98.14 | 154.93 | 81.64 | 134.16 | 75.15 | 198.93 | 173.19 | 125.73 | 156.98 | 375.02 | 240.06 | 177.62 | 178.36 | 289.40 |
| 2002 | 80.44 | 167.52 | 29.95 | 139.97 | 42.18 | 173.94 | 132.14 | 134.85 | 111.89 | 131.37 | 95.82 | 39.85 | 53.13 | 130.49 | 79.46 | 83.42 | 207.50 | 171.97 | 244.24 | 235.45 | 109.54 | 164.25 | 106.13 | 138.28 |
| 2003 | 118.14 | 183.11 | 128.46 | 133.26 | 84.12 | 151.22 | 175.31 | 108.60 | 188.17 | 20.94 | 75.52 | 187.19 | 164.57 | 70.76 | 153.94 | 138.36 | 164.40 | 183.99 | 244.04 | 171.85 | 200.61 | 158.52 | 315.95 | 63.03 |
| 2004 | 144.47 | 78.41 | 83.17 | 118.88 | 132.11 | 160.97 | 126.40 | 180.52 | 123.57 | 87.27 | 87.79 | 121.63 | 148.16 | 97.30 | 59.57 | 89.05 | 239.08 | 223.69 | 243.17 | 173.68 | 136.59 | 125.64 | 137.94 | 78.41 |
| 2005 | 218.87 | 53.98 | 44.48 | 53.38 | 111.14 | 101.40 | 121.62 | 65.94 | 135.84 | 90.83 | 107.39 | 43.41 | 139.55 | 87.80 | 20.11 | 230.51 | 102.68 | 111.45 | 190.82 | 221.11 | 128.75 | 151.95 | 238.33 | 98.69 |
| 2006 | 199.28 | 38.16 | 146.16 | 118.72 | 53.59 | 114.48 | 103.01 | 205.14 | 191.92 | 134.33 | 112.32 | 191.40 | 66.30 | 85.27 | 50.99 | 152.10 | 143.93 | 199.55 | 173.69 | 228.91 | 150.42 | 142.54 | 152.99 | 204.42 |
| 2007 | 163.60 | 69.34 | 21.44 | 128.96 | 78.08 | 111.77 | 147.94 | 114.03 | 205.45 | 170.32 | 112.98 | 91.64 | 32.45 | 236.31 | 42.41 | 141.46 | 185.14 | 132.67 | 178.48 | 300.48 | 224.13 | 157.31 | 170.94 | 166.59 |
| 2008 | 115.73 | 79.44 | 80.25 | 57.71 | 180.31 | 112.72 | 68.95 | 203.72 | 157.35 | 117.76 | 74.82 | 97.65 | 184.57 | 111.71 | 62.83 | 236.49 | 191.51 | 159.24 | 158.82 | 262.37 | 92.91 | 182.43 | 189.13 | 136.64 |
| 2009 | 209.55 | 90.85 | 68.68 | 62.26 | 203.59 | 243.74 | 125.25 | 146.99 | 190.83 | 90.93 | 74.82 | 81.64 | 60.71 | 61.00 | 95.24 | 115.05 | 141.77 | 212.58 | 93.60 | 260.30 | 160.04 | 153.24 | 135.11 | 120.46 |
| 2010 | 126.58 | 135.89 | 59.85 | 42.69 | 105.62 | 107.42 | 65.28 | 135.01 | 118.61 | 112.70 | 112.33 | 96.07 | 89.40 | 136.80 | 137.93 | 119.37 | 113.64 | 153.63 | 163.69 | 157.18 | 158.11 | 271.19 | 197.11 | 187.96 |
| 2011 | 193.81 | 99.47 | 73.42 | 74.71 | 216.21 | 206.55 | 127.55 | 142.66 | 59.37 | 214.69 | 109.06 | 82.52 | 74.27 | 41.97 | 173.28 | 223.09 | 137.08 | 137.45 | 208.02 | 213.45 | 196.31 | 159.88 | 165.42 | 188.93 |
| 2012 | 86.15 | 92.35 | 163.78 | 84.49 | 140.16 | 127.72 | 223.57 | 188.98 | 164.55 | 220.60 | 35.96 | 59.43 | 163.47 | 95.95 | 45.50 | 156.66 | 113.47 | 96.65 | 113.21 | 126.68 | 143.80 | 185.83 | 162.63 | 170.13 |
| 2013 | 142.78 | 252.94 | 122.04 | 132.50 | 106.93 | 88.10 | 142.17 | 121.12 | 69.29 | 91.77 | 187.62 | 44.42 | 59.95 | 73.52 | 51.24 | 223.84 | 202.50 | 65.05 | 253.83 | 274.10 | 104.28 | 162.34 | 171.91 | 285.78 |
| 2014 | 174.83 | 16.61 | 35.28 | 68.88 | 42.33 | 91.38 | 147.75 | 77.24 | 136.72 | 94.22 | 123.06 | 55.96 | 54.30 | 79.36 | 115.22 | 197.85 | 195.38 | 136.59 | 148.61 | 289.76 | 162.97 | 154.63 | 146.50 | 219.70 |
| 2015 | 185.85 | 42.44 | 50.03 | 106.49 | 66.97 | 88.58 | 116.46 | 107.19 | 90.10 | 134.76 | 146.38 | 30.57 | 42.85 | 89.04 | 185.83 | 42.08 | 174.77 | 112.01 | 220.39 | 167.99 | 127.87 | 177.52 | 246.86 | 94.56 |
| 2016 | 113.92 | 143.89 | 170.15 | 81.33 | 94.97 | 113.93 | 132.43 | 113.48 | 108.58 | 125.81 | 148.29 | 69.26 | 54.24 | 145.15 | 60.22 | 121.62 | 226.02 | 152.40 | 109.96 | 301.27 | 147.63 | 148.93 | 110.02 | 223.63 |
| 2017 | 133.06 | 208.68 | 59.24 | 192.61 | 100.15 | 116.37 | 134.74 | 91.64 | 95.41 | 109.57 | 48.05 | 118.44 | 89.57 | 26.05 | 167.91 | 174.14 | 349.54 | 171.01 | 214.47 | 116.70 | 190.10 | 163.23 | 192.80 | 223.55 |
| 2018 | 154.77 | 121.32 | 19.88 | 132.06 | 107.44 | 119.03 | 97.57 | 99.92 | 98.28 | 145.01 | 39.02 | 101.17 | 85.52 | 103.51 | 32.47 | 163.75 | 155.12 | 119.88 | 285.20 | 153.56 | 222.80 | 88.50 | 205.78 | 130.77 |
| 2019 | 104.83 | 132.48 | 23.35 | 113.38 | 32.17 | 138.21 | 120.89 | 89.30 | 152.39 | 200.53 | 123.50 | 93.40 | 43.81 | 64.45 | 66.27 | 162.68 | 101.91 | 100.47 | 205.56 | 240.77 | 151.33 | 91.77 | 214.93 | 101.89 |
| 2020 | 44.88 | 192.37 | 99.14 | 44.64 | 73.13 | 144.73 | 137.26 | 166.95 | 117.03 | 119.99 | 202.74 | 98.13 | 142.93 | 112.98 | 74.04 | 108.29 | 195.28 | 126.62 | 171.49 | 123.28 | 138.20 | 183.19 | 257.10 | 109.97 |
| 2021 | 242.71 | 126.07 | 81.21 | 20.25 | 96.60 | 221.70 | 124.88 | 151.28 | 182.65 | 96.33 | 95.83 | 157.73 | 173.28 | 46.43 | 178.65 | 229.02 | 121.70 | 195.36 | 57.23 | 334.03 | 226.50 | 182.37 | 165.50 | 166.66 |
| 2022 | 166.06 | 98.36 | 123.33 | 140.93 | 167.76 | 110.65 | 144.91 | 108.86 | 141.19 | 76.57 | 154.57 | 173.93 | 77.69 | 59.74 | 123.64 | 131.95 | 61.30 | 211.49 | 133.01 | 268.51 | 238.55 | 107.13 | 258.21 | 117.03 |
| 2023 | 153.35 | 202.06 | 124.02 | 55.40 | 136.58 | 162.78 | 103.25 | 76.46 | 86.62 | 141.51 | 88.55 | 94.50 | 72.91 | 94.23 | 127.00 | 302.56 | 149.61 | 114.33 | 154.39 | 166.70 | 171.67 | 247.70 | 154.54 | 173.76 |
| 2024 | 130.27 | 183.40 | 68.73 | 166.66 | 61.43 | 108.03 | 63.71 | 178.65 | 78.33 | 157.12 | 106.97 | 199.39 | 56.35 | 40.82 | 223.49 | 212.85 | 179.06 | 129.19 | 315.48 | 71.69 | 144.12 | 180.76 | 119.31 | 113.36 |
| 2025 | 159.55 | 196.27 | 44.08 | 139.09 | 95.60 | 132.66 | 156.19 | 123.86 | 89.47 | 129.10 | 98.51 | 62.28 | 98.08 | 50.51 | 185.78 | 64.75 | 156.80 | 109.39 | – | – | – | – | – | – |
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 | 115.36 | 69.32 | 42.32 | 57.24 | 65.86 | 106.21 | 95.60 | 86.89 | 88.90 | 89.56 | 75.38 | 58.74 | 54.01 | 49.69 | 49.89 | 104.44 | 120.08 | 111.03 | 125.41 | 155.73 | 128.40 | 126.54 | 136.81 | 106.74 |
| R80mm/hari | 7.69 | 4.33 | 3.02 | 4.09 | 4.39 | 6.64 | 6.37 | 5.79 | 5.93 | 5.60 | 5.03 | 3.92 | 3.60 | 3.11 | 3.33 | 6.53 | 8.01 | 7.40 | 8.36 | 9.73 | 8.56 | 8.44 | 9.12 | 6.67 |
| Reff Padimm/hari | 5.38 | 3.03 | 2.12 | 2.86 | 3.07 | 4.65 | 4.46 | 4.05 | 4.15 | 3.92 | 3.52 | 2.74 | 2.52 | 2.17 | 2.33 | 4.57 | 5.60 | 5.18 | 5.85 | 6.81 | 5.99 | 5.91 | 6.38 | 4.67 |
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.