HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Pragak, Kec. Parang, Magetan, Prov. Jawa Timur
GPM01D_E11135_S0775
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.02
mm/hari
Reff Padi Rata-rata
2.11
mm/hari
Reff Padi Maksimum
5.94
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 | 66.13 | 117.85 | 186.41 | 230.44 | 255.90 | 147.80 | 216.80 | 120.81 | 29.78 | 12.17 | 150.22 | 58.05 | 83.80 | 104.99 | 7.39 | 19.07 | 2.62 | 80.20 | 26.37 | 208.39 | 170.33 | 102.59 | 73.80 | 251.20 |
| 1999 | 90.81 | 142.80 | 41.84 | 119.26 | 178.11 | 91.51 | 141.24 | 24.47 | 42.62 | 1.87 | 4.64 | 0.69 | 32.13 | 1.93 | 0.89 | 0.00 | 0.00 | 2.51 | 83.81 | 121.21 | 169.47 | 209.29 | 223.21 | 71.49 |
| 2000 | 193.51 | 169.41 | 87.47 | 77.51 | 133.49 | 164.62 | 228.61 | 111.75 | 25.00 | 130.87 | 20.59 | 10.03 | 0.95 | 2.13 | 1.15 | 16.72 | 4.53 | 14.09 | 84.44 | 206.97 | 331.80 | 146.14 | 100.71 | 56.40 |
| 2001 | 91.74 | 271.26 | 222.63 | 33.60 | 183.07 | 336.42 | 230.48 | 224.80 | 63.88 | 22.66 | 182.33 | 0.80 | 2.73 | 34.38 | 0.78 | 3.16 | 13.50 | 14.98 | 71.93 | 179.84 | 134.48 | 245.46 | 57.34 | 88.57 |
| 2002 | 71.89 | 393.03 | 265.42 | 260.94 | 148.21 | 227.87 | 84.16 | 155.46 | 74.10 | 0.00 | 6.63 | 3.66 | 0.72 | 3.53 | 0.00 | 0.00 | 1.07 | 2.46 | 0.08 | 40.85 | 31.93 | 115.64 | 108.76 | 236.02 |
| 2003 | 55.55 | 150.33 | 211.13 | 260.34 | 269.67 | 42.60 | 54.67 | 17.90 | 111.62 | 4.65 | 2.06 | 6.95 | 0.23 | 0.21 | 0.03 | 0.00 | 6.91 | 13.75 | 29.95 | 45.67 | 42.27 | 208.01 | 257.93 | 61.72 |
| 2004 | 86.75 | 270.42 | 176.49 | 248.22 | 152.66 | 83.48 | 36.87 | 32.04 | 16.33 | 90.36 | 36.65 | 1.59 | 49.47 | 10.23 | 1.97 | 0.02 | 0.00 | 8.01 | 0.63 | 13.60 | 26.48 | 331.88 | 125.16 | 198.45 |
| 2005 | 63.60 | 121.77 | 148.00 | 129.14 | 142.65 | 192.85 | 188.87 | 38.27 | 27.40 | 7.85 | 38.70 | 151.53 | 85.93 | 0.05 | 0.11 | 6.19 | 21.99 | 14.70 | 12.95 | 124.05 | 7.20 | 145.63 | 200.72 | 185.37 |
| 2006 | 194.87 | 219.84 | 108.26 | 171.12 | 89.47 | 142.72 | 98.13 | 63.89 | 80.56 | 104.77 | 4.03 | 0.23 | 0.06 | 0.11 | 0.24 | 0.00 | 0.02 | 1.91 | 0.56 | 0.05 | 19.27 | 36.99 | 43.51 | 208.57 |
| 2007 | 4.55 | 47.92 | 193.20 | 194.39 | 113.04 | 322.63 | 134.30 | 126.04 | 28.87 | 56.65 | 8.43 | 44.49 | 1.59 | 1.33 | 0.32 | 0.53 | 10.10 | 0.14 | 0.17 | 117.46 | 132.10 | 17.55 | 169.12 | 337.31 |
| 2008 | 85.33 | 111.32 | 306.50 | 223.69 | 190.54 | 349.73 | 139.89 | 31.08 | 69.54 | 1.47 | 8.69 | 0.51 | 0.77 | 1.19 | 2.46 | 2.47 | 7.54 | 0.22 | 141.62 | 53.37 | 273.64 | 172.84 | 158.21 | 166.85 |
| 2009 | 78.28 | 337.93 | 157.90 | 201.12 | 127.74 | 90.08 | 44.00 | 56.94 | 87.94 | 124.63 | 30.09 | 2.10 | 3.78 | 8.71 | 0.61 | 3.10 | 1.63 | 2.77 | 1.93 | 45.87 | 35.97 | 161.39 | 22.82 | 144.05 |
| 2010 | 204.90 | 355.62 | 266.80 | 157.66 | 207.25 | 301.50 | 147.62 | 185.96 | 254.87 | 78.98 | 114.38 | 42.06 | 53.89 | 104.16 | 16.93 | 49.19 | 111.63 | 170.34 | 110.16 | 162.58 | 179.52 | 100.90 | 302.03 | 143.37 |
| 2011 | 157.76 | 160.73 | 123.18 | 95.28 | 123.97 | 144.03 | 203.39 | 65.97 | 219.56 | 8.87 | 11.97 | 1.66 | 8.52 | 1.05 | 0.11 | 0.09 | 7.07 | 0.30 | 1.91 | 92.80 | 126.72 | 236.96 | 189.46 | 163.77 |
| 2012 | 169.79 | 98.18 | 58.16 | 103.09 | 180.33 | 61.19 | 126.61 | 62.20 | 68.75 | 5.81 | 33.73 | 1.89 | 3.78 | 3.99 | 0.28 | 0.62 | 0.00 | 0.82 | 0.13 | 36.07 | 20.85 | 204.64 | 214.71 | 193.01 |
| 2013 | 196.72 | 189.75 | 179.35 | 127.37 | 185.39 | 120.80 | 246.45 | 48.26 | 24.24 | 159.69 | 113.34 | 107.05 | 97.94 | 6.46 | 2.03 | 0.14 | 0.95 | 2.43 | 0.00 | 49.98 | 107.10 | 55.91 | 182.58 | 74.10 |
| 2014 | 383.10 | 97.27 | 121.44 | 147.54 | 203.27 | 115.01 | 129.81 | 114.88 | 97.19 | 23.99 | 9.21 | 79.84 | 58.54 | 0.66 | 6.04 | 0.00 | 2.38 | 1.05 | 0.04 | 0.81 | 75.15 | 168.92 | 156.50 | 170.17 |
| 2015 | 63.71 | 199.74 | 204.81 | 85.93 | 176.51 | 197.03 | 138.27 | 173.13 | 149.70 | 1.90 | 3.53 | 3.38 | 1.07 | 0.13 | 0.12 | 0.00 | 0.25 | 0.00 | 0.00 | 1.19 | 88.52 | 116.30 | 155.39 | 80.10 |
| 2016 | 81.94 | 125.36 | 292.23 | 129.83 | 104.93 | 140.28 | 185.35 | 46.99 | 102.70 | 102.54 | 40.21 | 70.64 | 76.06 | 33.04 | 120.83 | 5.15 | 86.51 | 200.51 | 152.11 | 73.96 | 102.94 | 197.88 | 126.42 | 69.40 |
| 2017 | 135.54 | 169.06 | 149.58 | 197.78 | 99.22 | 203.14 | 96.30 | 173.10 | 67.63 | 82.35 | 19.90 | 26.06 | 4.05 | 27.28 | 1.63 | 1.48 | 0.00 | 71.01 | 6.02 | 70.75 | 101.64 | 293.95 | 112.68 | 129.14 |
| 2018 | 132.28 | 135.91 | 145.72 | 312.68 | 230.67 | 63.57 | 87.21 | 57.62 | 12.24 | 9.37 | 2.03 | 32.44 | 0.00 | 0.00 | 1.63 | 0.00 | 0.00 | 19.75 | 8.27 | 3.42 | 85.35 | 189.47 | 139.32 | 96.25 |
| 2019 | 125.16 | 189.46 | 135.59 | 195.09 | 212.08 | 112.50 | 223.62 | 69.49 | 3.05 | 0.66 | 5.91 | 0.00 | 0.97 | 1.48 | 0.01 | 0.00 | 0.00 | 0.46 | 0.05 | 15.40 | 51.00 | 36.89 | 116.70 | 233.93 |
| 2020 | 153.01 | 48.48 | 222.47 | 229.56 | 186.09 | 164.02 | 131.85 | 103.40 | 73.25 | 140.78 | 3.50 | 2.59 | 50.19 | 0.25 | 28.86 | 0.75 | 6.50 | 3.89 | 29.33 | 135.46 | 96.61 | 113.98 | 298.80 | 132.75 |
| 2021 | 170.84 | 126.87 | 262.61 | 284.38 | 160.23 | 200.59 | 217.31 | 20.05 | 33.27 | 107.91 | 17.91 | 122.34 | 15.36 | 1.05 | 0.48 | 3.89 | 80.46 | 25.68 | 2.08 | 115.76 | 178.79 | 197.15 | 146.96 | 208.40 |
| 2022 | 176.66 | 163.90 | 147.89 | 89.91 | 179.95 | 172.67 | 43.38 | 176.67 | 72.25 | 132.51 | 112.95 | 18.43 | 7.88 | 6.51 | 55.31 | 13.34 | 75.41 | 27.42 | 117.22 | 187.01 | 156.89 | 213.03 | 114.16 | 147.44 |
| 2023 | 26.73 | 193.10 | 236.23 | 186.40 | 51.42 | 244.69 | 115.97 | 89.02 | 116.84 | 0.00 | 4.06 | 0.51 | 14.26 | 0.19 | 4.05 | 0.00 | 0.00 | 0.57 | 0.94 | 7.87 | 27.46 | 213.90 | 125.14 | 110.42 |
| 2024 | 121.22 | 99.35 | 153.19 | 166.37 | 292.57 | 24.91 | 212.42 | 144.25 | 2.73 | 13.31 | 28.68 | 0.75 | 37.01 | 0.00 | 6.58 | 1.77 | 2.70 | 68.98 | 2.65 | 81.58 | 123.11 | 230.36 | 201.18 | 128.48 |
| 2025 | 150.27 | 212.08 | 45.63 | 265.68 | 149.31 | 183.94 | 183.72 | 50.74 | 227.60 | 120.44 | 62.97 | 6.06 | 28.89 | 1.26 | 12.34 | 71.57 | 13.60 | 173.87 | – | – | – | – | – | – |
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 | 65.64 | 108.92 | 118.80 | 101.53 | 121.78 | 88.76 | 86.60 | 37.02 | 24.85 | 1.89 | 4.05 | 0.74 | 0.91 | 0.17 | 0.11 | 0.00 | 0.00 | 0.54 | 0.11 | 11.30 | 30.14 | 101.91 | 105.54 | 77.70 |
| R80mm/hari | 4.38 | 6.81 | 8.49 | 7.25 | 8.12 | 5.55 | 5.77 | 2.47 | 1.66 | 0.12 | 0.27 | 0.05 | 0.06 | 0.01 | 0.01 | 0.00 | 0.00 | 0.04 | 0.01 | 0.71 | 2.01 | 6.79 | 7.04 | 4.86 |
| Reff Padimm/hari | 3.06 | 4.77 | 5.94 | 5.08 | 5.68 | 3.88 | 4.04 | 1.73 | 1.16 | 0.08 | 0.19 | 0.03 | 0.04 | 0.01 | 0.01 | 0.00 | 0.00 | 0.03 | 0.01 | 0.49 | 1.41 | 4.76 | 4.93 | 3.40 |
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.