HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Karangawen, Kec. Karangawen, Demak, Prov. Jawa Tengah
GPM01D_E11055_S0705
Panjang Data
28
tahun tersedia
R80 Rata-rata
4.07
mm/hari
Reff Padi Rata-rata
2.85
mm/hari
Reff Padi Maksimum
7.28
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 | 48.30 | 172.51 | 122.64 | 378.06 | 162.62 | 131.86 | 176.79 | 119.00 | 65.39 | 11.19 | 102.01 | 59.61 | 73.25 | 85.30 | 42.81 | 40.32 | 0.27 | 109.86 | 117.32 | 171.44 | 67.25 | 143.44 | 35.85 | 217.93 |
| 1999 | 95.97 | 241.20 | 177.54 | 182.48 | 192.43 | 98.39 | 157.85 | 35.91 | 73.88 | 7.50 | 24.50 | 74.15 | 37.20 | 20.95 | 18.15 | 51.63 | 0.00 | 36.53 | 145.57 | 146.67 | 179.79 | 91.27 | 150.16 | 245.41 |
| 2000 | 181.69 | 326.50 | 212.14 | 62.46 | 84.67 | 243.46 | 168.89 | 74.35 | 117.13 | 138.21 | 25.95 | 39.11 | 10.38 | 60.93 | 38.21 | 27.97 | 41.67 | 75.27 | 79.81 | 93.26 | 214.53 | 218.34 | 112.50 | 127.00 |
| 2001 | 152.84 | 224.77 | 246.64 | 112.94 | 268.54 | 161.02 | 220.14 | 84.86 | 44.65 | 87.82 | 206.75 | 7.66 | 23.70 | 41.36 | 0.00 | 16.33 | 7.10 | 97.04 | 77.61 | 107.96 | 112.46 | 154.70 | 82.98 | 132.51 |
| 2002 | 126.86 | 282.18 | 252.54 | 256.84 | 122.27 | 196.45 | 179.74 | 26.81 | 146.99 | 5.95 | 5.46 | 0.18 | 1.63 | 1.04 | 11.34 | 0.48 | 4.04 | 2.34 | 0.07 | 68.96 | 148.27 | 165.16 | 146.41 | 150.36 |
| 2003 | 107.45 | 190.15 | 326.08 | 203.99 | 185.45 | 70.55 | 80.17 | 108.38 | 98.51 | 14.68 | 0.00 | 4.94 | 1.23 | 0.03 | 0.00 | 2.04 | 12.49 | 69.01 | 78.98 | 138.98 | 77.52 | 196.98 | 169.52 | 219.86 |
| 2004 | 102.68 | 269.81 | 226.64 | 206.80 | 146.80 | 93.63 | 141.16 | 111.04 | 97.82 | 77.65 | 41.47 | 6.82 | 27.61 | 29.94 | 0.31 | 0.07 | 10.08 | 16.35 | 0.28 | 38.68 | 101.24 | 222.78 | 132.53 | 209.58 |
| 2005 | 123.19 | 167.21 | 113.18 | 142.09 | 99.58 | 202.95 | 196.35 | 37.99 | 100.39 | 6.33 | 129.44 | 155.23 | 64.28 | 30.51 | 40.39 | 44.95 | 29.53 | 59.46 | 44.84 | 189.80 | 35.87 | 207.88 | 107.07 | 203.72 |
| 2006 | 240.16 | 424.32 | 181.75 | 228.32 | 130.84 | 155.35 | 143.22 | 89.13 | 76.50 | 93.03 | 18.97 | 0.87 | 0.05 | 0.19 | 0.00 | 0.00 | 0.00 | 0.03 | 6.08 | 10.34 | 84.13 | 88.24 | 103.17 | 183.08 |
| 2007 | 39.52 | 107.60 | 102.88 | 219.19 | 230.51 | 154.31 | 153.91 | 103.30 | 42.67 | 47.03 | 18.89 | 28.76 | 8.15 | 3.46 | 0.05 | 32.10 | 5.78 | 0.54 | 55.58 | 102.25 | 257.43 | 20.29 | 155.85 | 308.96 |
| 2008 | 203.40 | 191.38 | 299.92 | 441.62 | 195.63 | 168.11 | 61.47 | 80.62 | 98.64 | 0.45 | 30.51 | 11.08 | 2.71 | 1.23 | 39.61 | 36.05 | 12.38 | 40.28 | 164.13 | 88.96 | 225.15 | 168.93 | 190.84 | 184.15 |
| 2009 | 272.52 | 112.05 | 285.37 | 209.86 | 132.15 | 73.61 | 129.66 | 104.01 | 210.40 | 109.79 | 73.51 | 0.40 | 25.76 | 3.83 | 0.02 | 0.78 | 28.65 | 32.83 | 34.14 | 28.91 | 56.06 | 108.05 | 54.36 | 297.87 |
| 2010 | 262.76 | 241.10 | 115.22 | 267.16 | 182.73 | 273.66 | 135.40 | 166.28 | 173.19 | 124.14 | 89.83 | 118.12 | 59.83 | 82.27 | 76.71 | 142.38 | 122.99 | 156.15 | 84.50 | 216.41 | 130.66 | 131.83 | 200.15 | 198.39 |
| 2011 | 183.17 | 171.33 | 169.87 | 98.11 | 104.81 | 177.37 | 131.79 | 104.57 | 101.53 | 16.27 | 2.30 | 56.84 | 0.01 | 46.78 | 0.00 | 0.00 | 32.45 | 0.61 | 13.17 | 94.29 | 256.97 | 239.18 | 124.18 | 185.28 |
| 2012 | 200.10 | 285.41 | 154.73 | 159.55 | 179.09 | 123.17 | 119.69 | 47.41 | 73.84 | 3.77 | 75.90 | 8.75 | 0.36 | 1.94 | 0.03 | 1.70 | 0.02 | 17.28 | 55.61 | 186.82 | 91.78 | 208.51 | 137.66 | 268.37 |
| 2013 | 366.67 | 133.08 | 89.18 | 353.00 | 180.84 | 103.62 | 263.94 | 106.85 | 44.24 | 163.26 | 192.24 | 113.10 | 108.65 | 13.47 | 0.09 | 86.47 | 3.03 | 0.33 | 1.24 | 167.24 | 118.47 | 88.33 | 208.78 | 151.29 |
| 2014 | 330.77 | 385.67 | 225.21 | 144.92 | 244.70 | 110.45 | 129.52 | 51.14 | 37.93 | 97.82 | 28.98 | 66.31 | 89.40 | 65.71 | 39.71 | 22.06 | 0.05 | 0.17 | 20.05 | 32.41 | 83.97 | 131.26 | 193.40 | 142.86 |
| 2015 | 144.83 | 171.23 | 202.82 | 111.64 | 224.84 | 159.42 | 144.32 | 149.50 | 141.08 | 8.24 | 30.48 | 0.18 | 0.00 | 0.00 | 0.20 | 0.14 | 0.06 | 0.71 | 0.00 | 6.45 | 132.90 | 122.15 | 131.54 | 178.48 |
| 2016 | 117.47 | 185.86 | 202.76 | 177.18 | 107.83 | 93.65 | 162.36 | 83.10 | 60.18 | 80.31 | 39.72 | 60.09 | 41.86 | 127.35 | 16.44 | 96.03 | 60.53 | 305.55 | 124.69 | 114.14 | 154.61 | 132.88 | 144.75 | 120.95 |
| 2017 | 143.68 | 210.29 | 241.29 | 202.49 | 161.17 | 129.46 | 157.58 | 122.13 | 104.85 | 46.73 | 56.57 | 52.52 | 9.29 | 17.70 | 1.83 | 3.01 | 0.00 | 93.18 | 186.38 | 160.42 | 108.76 | 302.89 | 133.90 | 138.91 |
| 2018 | 151.94 | 164.59 | 281.27 | 367.03 | 219.95 | 113.93 | 51.85 | 139.01 | 3.67 | 58.61 | 1.20 | 71.48 | 1.32 | 0.00 | 0.90 | 8.00 | 9.68 | 36.92 | 9.16 | 107.08 | 140.58 | 113.31 | 233.46 | 156.91 |
| 2019 | 92.36 | 323.67 | 206.88 | 141.10 | 111.73 | 220.13 | 267.33 | 73.01 | 59.09 | 3.53 | 3.90 | 0.00 | 9.27 | 0.88 | 0.00 | 0.14 | 0.00 | 6.12 | 3.91 | 5.42 | 91.69 | 45.08 | 160.43 | 219.35 |
| 2020 | 318.40 | 76.76 | 151.36 | 285.05 | 235.97 | 123.37 | 144.32 | 125.71 | 68.72 | 154.00 | 39.15 | 3.40 | 100.32 | 24.59 | 65.29 | 2.99 | 23.98 | 155.63 | 56.44 | 135.42 | 38.08 | 219.18 | 340.15 | 211.82 |
| 2021 | 163.71 | 235.57 | 359.21 | 333.26 | 146.30 | 188.49 | 209.03 | 34.37 | 39.85 | 84.20 | 22.31 | 124.48 | 3.78 | 7.12 | 55.69 | 67.75 | 40.22 | 165.22 | 5.00 | 185.27 | 132.66 | 226.99 | 153.08 | 230.62 |
| 2022 | 150.02 | 182.26 | 218.86 | 137.68 | 235.94 | 96.60 | 154.34 | 131.15 | 81.75 | 129.75 | 129.26 | 103.90 | 115.36 | 30.85 | 65.41 | 11.08 | 88.34 | 50.61 | 197.95 | 140.09 | 148.27 | 103.99 | 96.41 | 329.46 |
| 2023 | 191.20 | 187.25 | 217.31 | 260.06 | 153.47 | 163.31 | 115.91 | 67.61 | 120.92 | 0.00 | 4.65 | 25.11 | 23.05 | 0.00 | 0.79 | 0.00 | 0.00 | 12.98 | 19.48 | 34.56 | 163.37 | 157.80 | 204.43 | 182.71 |
| 2024 | 191.03 | 106.29 | 260.78 | 102.79 | 424.50 | 103.36 | 235.36 | 114.26 | 15.39 | 40.19 | 126.47 | 21.78 | 17.34 | 27.43 | 43.18 | 1.74 | 17.42 | 72.96 | 62.30 | 88.78 | 146.79 | 120.60 | 193.13 | 163.58 |
| 2025 | 127.36 | 346.34 | 171.78 | 245.62 | 232.09 | 192.14 | 135.22 | 92.11 | 188.69 | 224.56 | 59.37 | 88.98 | 78.35 | 9.31 | 131.80 | 44.44 | 116.21 | 177.73 | – | – | – | – | – | – |
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 | 106.50 | 158.29 | 145.62 | 132.73 | 120.16 | 98.03 | 127.55 | 50.39 | 43.92 | 6.25 | 5.29 | 2.89 | 1.30 | 0.74 | 0.01 | 0.14 | 0.02 | 0.69 | 4.56 | 33.70 | 81.39 | 98.90 | 105.51 | 147.36 |
| R80mm/hari | 7.10 | 9.89 | 10.40 | 9.48 | 8.01 | 6.13 | 8.50 | 3.36 | 2.93 | 0.39 | 0.35 | 0.19 | 0.09 | 0.05 | 0.00 | 0.01 | 0.00 | 0.05 | 0.30 | 2.11 | 5.43 | 6.59 | 7.03 | 9.21 |
| Reff Padimm/hari | 4.97 | 6.93 | 7.28 | 6.64 | 5.61 | 4.29 | 5.95 | 2.35 | 2.05 | 0.27 | 0.25 | 0.14 | 0.06 | 0.03 | 0.00 | 0.01 | 0.00 | 0.03 | 0.21 | 1.47 | 3.80 | 4.62 | 4.92 | 6.45 |
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.