HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Sei Serdang, Kec. Batang Serangan, Langkat, Prov. Sumatera Utara
GPM01D_E09795_N0375
Panjang Data
28
tahun tersedia
R80 Rata-rata
6.22
mm/hari
Reff Padi Rata-rata
4.35
mm/hari
Reff Padi Maksimum
7.57
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 | 106.16 | 59.75 | 63.93 | 102.03 | 33.12 | 90.74 | 33.82 | 120.40 | 87.84 | 148.52 | 196.82 | 156.76 | 163.80 | 236.63 | 205.63 | 403.40 | 114.76 | 157.84 | 183.92 | 379.16 | 263.55 | 201.14 | 123.99 | 353.97 |
| 1999 | 219.85 | 152.01 | 197.47 | 123.45 | 139.95 | 165.07 | 276.95 | 184.88 | 207.99 | 167.17 | 205.74 | 94.09 | 129.86 | 34.07 | 35.49 | 218.69 | 193.36 | 241.96 | 156.62 | 303.07 | 115.87 | 226.50 | 373.84 | 102.62 |
| 2000 | 98.45 | 119.87 | 63.88 | 174.06 | 132.14 | 303.41 | 141.26 | 219.39 | 143.59 | 132.74 | 88.72 | 122.51 | 10.93 | 205.39 | 150.60 | 162.34 | 217.35 | 314.60 | 177.01 | 219.38 | 62.25 | 253.83 | 76.08 | 186.53 |
| 2001 | 184.45 | 229.74 | 26.58 | 125.17 | 51.20 | 228.79 | 87.76 | 175.92 | 159.79 | 132.98 | 120.19 | 123.39 | 71.55 | 177.61 | 85.74 | 215.32 | 191.19 | 138.94 | 177.32 | 455.94 | 382.81 | 184.89 | 223.74 | 276.60 |
| 2002 | 68.54 | 153.52 | 29.45 | 122.75 | 15.89 | 210.17 | 113.01 | 191.96 | 143.07 | 154.67 | 94.80 | 82.18 | 46.60 | 189.77 | 109.00 | 76.22 | 326.20 | 143.43 | 198.21 | 204.30 | 127.52 | 105.55 | 76.75 | 143.59 |
| 2003 | 174.50 | 111.29 | 115.51 | 113.37 | 23.70 | 291.30 | 204.84 | 148.88 | 257.22 | 11.43 | 119.82 | 173.01 | 153.44 | 139.58 | 164.02 | 162.59 | 88.01 | 331.39 | 284.53 | 173.28 | 220.15 | 141.89 | 262.93 | 75.42 |
| 2004 | 155.49 | 50.08 | 60.60 | 173.25 | 185.13 | 184.25 | 130.17 | 205.66 | 120.02 | 104.42 | 138.65 | 100.20 | 107.59 | 180.48 | 47.80 | 164.21 | 233.08 | 277.34 | 204.38 | 191.17 | 155.92 | 78.60 | 138.12 | 70.43 |
| 2005 | 212.06 | 191.22 | 26.15 | 90.78 | 65.61 | 121.87 | 155.14 | 71.64 | 65.78 | 199.41 | 132.31 | 78.48 | 148.11 | 91.35 | 38.40 | 250.70 | 127.70 | 151.21 | 209.08 | 176.83 | 174.83 | 183.27 | 280.95 | 136.20 |
| 2006 | 161.28 | 43.74 | 131.59 | 145.25 | 15.75 | 210.01 | 109.00 | 218.13 | 218.59 | 115.64 | 123.10 | 288.68 | 53.90 | 119.40 | 109.80 | 178.00 | 140.80 | 207.52 | 170.98 | 223.60 | 161.61 | 77.87 | 96.14 | 264.97 |
| 2007 | 113.34 | 127.53 | 17.36 | 138.61 | 91.00 | 116.36 | 125.03 | 150.46 | 300.17 | 160.61 | 120.39 | 87.49 | 81.11 | 203.54 | 55.40 | 236.30 | 169.48 | 118.51 | 122.26 | 365.81 | 255.49 | 195.63 | 140.49 | 180.61 |
| 2008 | 143.00 | 82.97 | 70.70 | 81.04 | 123.40 | 261.72 | 69.09 | 203.75 | 107.22 | 123.04 | 46.77 | 179.71 | 140.35 | 152.41 | 136.25 | 219.76 | 216.93 | 156.14 | 187.08 | 241.16 | 254.02 | 168.29 | 221.81 | 111.58 |
| 2009 | 246.43 | 56.06 | 37.41 | 93.57 | 192.09 | 284.75 | 114.91 | 196.53 | 212.11 | 130.75 | 62.81 | 76.59 | 84.16 | 89.70 | 45.37 | 220.31 | 192.73 | 161.17 | 100.91 | 258.88 | 152.03 | 166.72 | 140.01 | 93.17 |
| 2010 | 156.77 | 130.37 | 40.56 | 65.89 | 126.09 | 164.83 | 66.99 | 188.53 | 84.70 | 84.62 | 167.70 | 130.28 | 107.88 | 101.20 | 184.24 | 115.04 | 245.47 | 118.21 | 206.70 | 161.59 | 228.57 | 221.57 | 229.34 | 160.79 |
| 2011 | 218.22 | 76.56 | 62.40 | 46.51 | 274.31 | 214.71 | 138.29 | 122.15 | 93.85 | 149.07 | 194.42 | 48.67 | 48.17 | 116.36 | 182.23 | 242.72 | 154.64 | 168.28 | 265.97 | 139.31 | 109.88 | 165.49 | 179.99 | 225.48 |
| 2012 | 128.75 | 116.17 | 97.52 | 101.94 | 197.77 | 87.87 | 222.18 | 129.41 | 251.25 | 180.21 | 37.26 | 101.19 | 134.98 | 153.67 | 71.13 | 167.70 | 129.42 | 95.43 | 103.61 | 218.24 | 267.70 | 164.96 | 262.08 | 100.23 |
| 2013 | 141.34 | 241.70 | 132.25 | 171.52 | 120.29 | 161.76 | 109.14 | 155.14 | 82.11 | 215.58 | 172.08 | 103.74 | 75.63 | 111.31 | 147.27 | 201.34 | 212.56 | 137.12 | 169.15 | 304.17 | 130.11 | 119.49 | 147.56 | 269.59 |
| 2014 | 71.74 | 8.76 | 4.88 | 90.03 | 10.65 | 162.12 | 162.25 | 62.99 | 133.26 | 212.17 | 127.39 | 36.71 | 62.97 | 69.89 | 80.11 | 225.56 | 149.30 | 174.27 | 161.36 | 209.56 | 100.72 | 178.46 | 132.76 | 274.56 |
| 2015 | 238.31 | 40.26 | 60.13 | 84.31 | 31.44 | 119.89 | 120.19 | 69.87 | 117.91 | 146.11 | 164.68 | 34.72 | 62.65 | 89.78 | 115.83 | 166.18 | 128.96 | 178.50 | 167.55 | 218.77 | 136.71 | 164.38 | 123.75 | 99.68 |
| 2016 | 96.07 | 132.03 | 134.83 | 30.01 | 78.24 | 113.53 | 85.16 | 97.82 | 63.33 | 193.85 | 164.27 | 124.30 | 67.85 | 158.46 | 45.66 | 241.09 | 265.56 | 190.39 | 182.30 | 230.27 | 147.01 | 113.72 | 92.17 | 149.51 |
| 2017 | 143.58 | 170.57 | 116.75 | 79.57 | 97.71 | 118.75 | 167.44 | 98.28 | 102.90 | 117.35 | 86.02 | 92.92 | 157.65 | 39.20 | 172.56 | 190.87 | 257.09 | 150.16 | 320.87 | 224.01 | 211.06 | 126.47 | 237.97 | 130.53 |
| 2018 | 154.60 | 124.83 | 17.22 | 120.37 | 57.97 | 202.34 | 76.24 | 183.65 | 66.71 | 146.75 | 21.86 | 134.94 | 118.13 | 109.09 | 41.77 | 172.75 | 117.26 | 141.57 | 276.20 | 224.94 | 168.57 | 131.19 | 146.20 | 139.18 |
| 2019 | 84.65 | 113.22 | 45.94 | 102.23 | 44.10 | 165.03 | 107.18 | 92.14 | 193.04 | 196.23 | 123.59 | 93.58 | 22.01 | 103.08 | 33.72 | 129.95 | 117.45 | 109.95 | 162.54 | 226.31 | 211.35 | 60.65 | 159.57 | 107.66 |
| 2020 | 44.99 | 125.16 | 59.05 | 65.50 | 93.77 | 105.74 | 153.59 | 192.43 | 153.94 | 135.46 | 155.51 | 115.39 | 148.98 | 106.69 | 51.40 | 104.69 | 257.12 | 93.04 | 147.74 | 172.65 | 111.55 | 191.41 | 233.51 | 146.28 |
| 2021 | 238.82 | 106.97 | 85.33 | 4.07 | 104.42 | 166.47 | 109.37 | 195.10 | 102.84 | 90.66 | 96.59 | 123.53 | 242.27 | 69.76 | 150.37 | 234.28 | 157.92 | 135.48 | 56.38 | 342.48 | 151.00 | 229.75 | 133.12 | 156.02 |
| 2022 | 123.51 | 132.79 | 136.01 | 211.59 | 162.51 | 153.10 | 140.17 | 63.16 | 154.98 | 84.38 | 134.46 | 216.96 | 93.91 | 72.22 | 102.66 | 188.64 | 112.65 | 305.47 | 221.13 | 236.82 | 250.07 | 104.05 | 263.74 | 144.60 |
| 2023 | 156.37 | 186.17 | 95.65 | 58.21 | 139.99 | 111.91 | 79.44 | 113.55 | 128.52 | 193.43 | 134.58 | 130.94 | 83.79 | 61.27 | 150.09 | 229.56 | 130.14 | 119.78 | 186.80 | 136.03 | 196.50 | 176.36 | 167.59 | 177.95 |
| 2024 | 107.78 | 191.03 | 29.03 | 127.86 | 37.06 | 116.77 | 40.67 | 194.55 | 67.34 | 190.79 | 111.87 | 199.26 | 55.38 | 19.12 | 182.57 | 184.15 | 241.01 | 109.35 | 288.30 | 101.84 | 119.98 | 182.65 | 155.04 | 128.85 |
| 2025 | 179.15 | 111.43 | 25.28 | 163.36 | 118.10 | 142.10 | 230.30 | 126.68 | 136.55 | 109.71 | 107.31 | 67.00 | 157.93 | 31.39 | 197.42 | 131.42 | 170.62 | 176.37 | – | – | – | – | – | – |
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 | 97.97 | 59.01 | 26.49 | 65.81 | 32.78 | 115.79 | 78.80 | 96.68 | 84.18 | 108.65 | 88.18 | 78.10 | 55.08 | 68.06 | 45.60 | 156.15 | 125.65 | 118.45 | 153.06 | 173.03 | 118.33 | 110.45 | 123.89 | 101.66 |
| R80mm/hari | 6.53 | 3.69 | 1.89 | 4.70 | 2.19 | 7.24 | 5.25 | 6.45 | 5.61 | 6.79 | 5.88 | 5.21 | 3.67 | 4.25 | 3.04 | 9.76 | 8.38 | 7.90 | 10.20 | 10.81 | 7.89 | 7.36 | 8.26 | 6.35 |
| Reff Padimm/hari | 4.57 | 2.58 | 1.32 | 3.29 | 1.53 | 5.07 | 3.68 | 4.51 | 3.93 | 4.75 | 4.11 | 3.64 | 2.57 | 2.98 | 2.13 | 6.83 | 5.86 | 5.53 | 7.14 | 7.57 | 5.52 | 5.15 | 5.78 | 4.45 |
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.