HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Namotogan, Kec. Kutambaru, Langkat, Prov. Sumatera Utara
GPM01D_E09825_N0345
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.20
mm/hari
Reff Padi Rata-rata
4.34
mm/hari
Reff Padi Maksimum
7.51
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 | 131.33 | 101.05 | 42.47 | 67.48 | 53.31 | 69.92 | 63.21 | 26.79 | 113.26 | 76.42 | 141.31 | 109.86 | 136.41 | 184.40 | 189.84 | 346.13 | 153.13 | 73.26 | 169.66 | 282.77 | 154.20 | 245.67 | 146.12 | 318.22 |
| 1999 | 273.24 | 137.22 | 196.31 | 117.33 | 111.93 | 168.96 | 248.73 | 192.75 | 168.61 | 182.08 | 188.84 | 103.06 | 101.44 | 37.44 | 72.43 | 194.83 | 171.56 | 330.26 | 243.24 | 159.42 | 97.13 | 208.23 | 335.43 | 124.86 |
| 2000 | 119.77 | 124.88 | 71.83 | 154.51 | 142.45 | 277.22 | 96.48 | 154.98 | 96.49 | 80.22 | 86.87 | 101.55 | 21.76 | 131.03 | 210.62 | 82.27 | 296.70 | 313.98 | 120.96 | 257.88 | 99.58 | 180.31 | 35.41 | 277.29 |
| 2001 | 147.52 | 268.28 | 48.51 | 108.75 | 67.39 | 191.20 | 157.89 | 89.92 | 170.81 | 131.46 | 109.68 | 154.20 | 97.98 | 141.57 | 85.12 | 261.90 | 203.54 | 121.24 | 133.66 | 494.35 | 285.46 | 255.82 | 191.56 | 288.70 |
| 2002 | 78.12 | 138.41 | 60.15 | 106.91 | 24.33 | 200.34 | 162.06 | 155.50 | 127.05 | 135.44 | 70.16 | 61.25 | 42.25 | 177.83 | 81.94 | 106.96 | 322.13 | 149.15 | 184.48 | 280.53 | 128.46 | 119.41 | 98.60 | 184.94 |
| 2003 | 134.43 | 166.73 | 147.51 | 85.28 | 36.93 | 236.59 | 138.76 | 147.72 | 230.21 | 13.81 | 36.51 | 257.05 | 150.66 | 91.81 | 134.13 | 183.44 | 144.98 | 270.22 | 242.09 | 178.02 | 244.98 | 119.92 | 224.76 | 120.40 |
| 2004 | 147.29 | 44.84 | 74.57 | 159.62 | 218.93 | 193.37 | 87.87 | 192.72 | 150.92 | 86.69 | 92.95 | 172.88 | 114.84 | 145.45 | 61.30 | 117.89 | 189.51 | 413.86 | 267.15 | 208.79 | 136.81 | 176.15 | 168.46 | 74.22 |
| 2005 | 178.09 | 149.02 | 61.18 | 44.44 | 80.55 | 122.84 | 131.22 | 100.48 | 124.51 | 170.12 | 109.82 | 49.99 | 136.22 | 98.78 | 21.24 | 265.05 | 132.65 | 150.12 | 184.72 | 217.94 | 108.86 | 211.13 | 307.27 | 105.53 |
| 2006 | 224.38 | 12.13 | 230.28 | 123.07 | 23.09 | 172.88 | 114.68 | 233.05 | 274.86 | 130.30 | 135.36 | 217.83 | 55.45 | 109.25 | 80.89 | 159.65 | 184.44 | 168.29 | 228.72 | 174.20 | 166.38 | 149.84 | 121.58 | 210.78 |
| 2007 | 144.91 | 104.53 | 8.41 | 156.54 | 59.15 | 120.42 | 133.38 | 121.01 | 317.22 | 178.86 | 74.50 | 115.70 | 96.51 | 193.31 | 53.89 | 214.79 | 208.82 | 173.86 | 117.78 | 368.37 | 220.89 | 240.31 | 180.56 | 134.17 |
| 2008 | 122.35 | 137.56 | 78.32 | 58.30 | 140.77 | 221.73 | 71.27 | 191.49 | 114.13 | 99.67 | 57.74 | 139.29 | 125.73 | 118.72 | 133.96 | 201.61 | 178.46 | 277.97 | 134.11 | 431.33 | 140.48 | 196.87 | 203.05 | 123.42 |
| 2009 | 275.04 | 53.12 | 72.77 | 55.22 | 241.12 | 225.82 | 102.48 | 382.21 | 226.96 | 162.48 | 121.36 | 69.36 | 85.92 | 60.57 | 81.20 | 120.50 | 173.51 | 191.00 | 122.91 | 284.08 | 184.34 | 152.83 | 176.68 | 116.30 |
| 2010 | 132.20 | 180.62 | 71.67 | 38.15 | 85.38 | 146.80 | 73.33 | 163.24 | 112.15 | 96.02 | 120.38 | 120.99 | 113.34 | 145.79 | 250.58 | 91.84 | 166.83 | 123.15 | 131.78 | 186.30 | 191.00 | 320.37 | 247.51 | 173.98 |
| 2011 | 211.52 | 101.25 | 92.12 | 66.27 | 286.70 | 204.60 | 135.99 | 104.79 | 137.85 | 204.67 | 194.28 | 88.79 | 35.22 | 101.82 | 188.68 | 214.87 | 214.76 | 134.19 | 199.98 | 206.73 | 152.53 | 180.17 | 221.66 | 169.96 |
| 2012 | 150.50 | 70.32 | 77.17 | 84.70 | 107.81 | 166.17 | 232.04 | 193.46 | 311.41 | 222.26 | 29.08 | 88.63 | 224.05 | 62.27 | 35.82 | 214.96 | 87.57 | 157.40 | 150.58 | 132.13 | 164.25 | 230.35 | 158.19 | 209.15 |
| 2013 | 201.60 | 214.77 | 150.91 | 157.34 | 109.30 | 64.75 | 96.47 | 151.30 | 89.60 | 167.27 | 163.75 | 71.53 | 76.28 | 84.12 | 107.21 | 237.20 | 264.98 | 103.10 | 346.87 | 310.97 | 135.05 | 130.10 | 148.32 | 302.03 |
| 2014 | 200.01 | 3.62 | 26.38 | 73.76 | 26.58 | 126.93 | 120.93 | 91.37 | 92.76 | 188.78 | 114.98 | 71.67 | 36.00 | 89.55 | 98.94 | 176.16 | 264.57 | 110.93 | 164.37 | 244.03 | 126.32 | 169.75 | 106.19 | 251.15 |
| 2015 | 235.00 | 14.89 | 61.48 | 106.61 | 67.56 | 69.74 | 75.36 | 84.25 | 79.99 | 186.52 | 156.01 | 8.81 | 58.86 | 67.98 | 188.84 | 56.94 | 265.41 | 124.30 | 150.75 | 241.50 | 122.03 | 166.95 | 170.98 | 129.19 |
| 2016 | 102.68 | 191.45 | 172.63 | 72.39 | 58.63 | 132.66 | 93.70 | 85.18 | 68.82 | 192.72 | 259.71 | 44.95 | 86.61 | 176.35 | 80.82 | 151.79 | 266.40 | 230.76 | 183.91 | 319.44 | 138.92 | 118.53 | 131.43 | 130.83 |
| 2017 | 173.59 | 183.05 | 67.35 | 164.55 | 88.00 | 115.92 | 164.19 | 104.96 | 149.83 | 119.92 | 52.29 | 140.36 | 112.07 | 13.88 | 185.27 | 135.04 | 287.97 | 179.29 | 323.55 | 167.86 | 175.33 | 160.56 | 229.40 | 181.54 |
| 2018 | 181.86 | 115.93 | 34.81 | 111.88 | 146.85 | 110.24 | 94.06 | 101.03 | 76.11 | 134.07 | 22.22 | 157.10 | 103.12 | 177.43 | 85.06 | 141.77 | 175.91 | 126.52 | 262.67 | 187.90 | 203.25 | 77.17 | 144.96 | 169.30 |
| 2019 | 60.83 | 134.32 | 34.92 | 135.24 | 14.38 | 165.80 | 112.24 | 80.90 | 207.61 | 203.26 | 155.77 | 90.22 | 51.03 | 100.51 | 57.79 | 95.18 | 124.18 | 121.16 | 183.13 | 219.59 | 235.30 | 56.34 | 242.51 | 120.09 |
| 2020 | 16.74 | 156.33 | 77.42 | 50.70 | 103.61 | 99.10 | 106.60 | 209.83 | 170.80 | 124.38 | 222.22 | 127.93 | 132.30 | 114.00 | 44.81 | 141.76 | 250.72 | 86.86 | 143.73 | 194.53 | 156.62 | 186.26 | 246.60 | 151.69 |
| 2021 | 311.06 | 107.88 | 100.14 | 21.65 | 84.94 | 198.27 | 162.24 | 184.78 | 128.10 | 99.21 | 147.86 | 113.82 | 217.89 | 78.35 | 162.58 | 235.66 | 133.58 | 213.88 | 79.09 | 362.66 | 207.70 | 251.21 | 126.85 | 193.39 |
| 2022 | 155.85 | 159.96 | 180.76 | 125.67 | 180.81 | 122.20 | 129.06 | 97.20 | 138.83 | 80.68 | 101.74 | 299.47 | 128.13 | 128.33 | 141.17 | 156.74 | 72.60 | 217.92 | 159.36 | 322.33 | 205.11 | 161.80 | 266.64 | 105.99 |
| 2023 | 156.33 | 159.19 | 102.29 | 63.54 | 152.03 | 148.07 | 53.31 | 109.21 | 126.28 | 210.64 | 155.20 | 93.55 | 56.91 | 163.26 | 202.22 | 276.87 | 181.26 | 108.24 | 200.43 | 157.50 | 165.08 | 274.96 | 139.59 | 205.96 |
| 2024 | 118.67 | 170.16 | 44.43 | 275.78 | 38.09 | 134.45 | 58.71 | 185.46 | 67.83 | 180.79 | 139.29 | 248.59 | 36.38 | 52.95 | 107.24 | 264.96 | 275.14 | 108.89 | 340.40 | 112.31 | 172.62 | 281.81 | 122.81 | 110.25 |
| 2025 | 182.41 | 171.21 | 42.80 | 168.00 | 120.74 | 159.86 | 189.86 | 121.98 | 121.94 | 187.45 | 91.06 | 80.27 | 116.37 | 39.21 | 214.01 | 127.92 | 158.34 | 101.81 | – | – | – | – | – | – |
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 | 119.55 | 66.88 | 42.73 | 57.68 | 37.85 | 114.78 | 74.95 | 91.08 | 92.13 | 94.15 | 67.67 | 71.09 | 49.27 | 61.93 | 60.60 | 115.70 | 142.70 | 108.76 | 132.90 | 171.66 | 127.60 | 126.03 | 125.23 | 118.57 |
| R80mm/hari | 7.97 | 4.18 | 3.05 | 4.12 | 2.52 | 7.17 | 5.00 | 6.07 | 6.14 | 5.88 | 4.51 | 4.74 | 3.28 | 3.87 | 4.04 | 7.23 | 9.51 | 7.25 | 8.86 | 10.73 | 8.51 | 8.40 | 8.35 | 7.41 |
| Reff Padimm/hari | 5.58 | 2.93 | 2.14 | 2.88 | 1.77 | 5.02 | 3.50 | 4.25 | 4.30 | 4.12 | 3.16 | 3.32 | 2.30 | 2.71 | 2.83 | 5.06 | 6.66 | 5.08 | 6.20 | 7.51 | 5.95 | 5.88 | 5.84 | 5.19 |
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.