HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Kayumas, Kec. Arjasa, Situbondo, Prov. Jawa Timur
GPM01D_E11415_S0795
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.41
mm/hari
Reff Padi Rata-rata
1.69
mm/hari
Reff Padi Maksimum
5.44
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 | 94.56 | 110.77 | 119.30 | 164.34 | 79.27 | 149.04 | 49.63 | 113.99 | 62.84 | 24.02 | 23.17 | 40.88 | 59.09 | 30.78 | 0.69 | 4.46 | 7.52 | 66.24 | 38.52 | 173.80 | 82.20 | 89.29 | 72.43 | 204.47 |
| 1999 | 130.75 | 186.30 | 138.61 | 193.78 | 138.03 | 142.50 | 158.37 | 72.94 | 41.31 | 7.56 | 3.09 | 10.51 | 20.77 | 0.35 | 1.90 | 0.00 | 0.00 | 1.04 | 63.09 | 37.99 | 214.24 | 54.01 | 175.31 | 158.24 |
| 2000 | 84.26 | 251.08 | 96.34 | 93.29 | 161.42 | 148.17 | 74.21 | 129.65 | 95.83 | 109.81 | 33.54 | 25.14 | 0.80 | 5.43 | 9.99 | 0.84 | 0.00 | 4.21 | 27.51 | 121.46 | 121.71 | 251.17 | 60.88 | 57.40 |
| 2001 | 134.57 | 129.54 | 148.88 | 53.79 | 137.79 | 193.99 | 71.54 | 32.50 | 14.30 | 13.72 | 111.90 | 1.65 | 0.62 | 44.26 | 12.70 | 0.00 | 0.00 | 5.16 | 33.21 | 75.48 | 57.68 | 118.95 | 84.50 | 132.73 |
| 2002 | 153.69 | 220.79 | 291.34 | 139.60 | 123.48 | 123.18 | 88.88 | 22.97 | 35.89 | 0.28 | 10.74 | 0.87 | 0.62 | 3.61 | 2.26 | 0.98 | 11.96 | 6.16 | 0.00 | 1.41 | 15.02 | 91.99 | 122.50 | 173.62 |
| 2003 | 109.25 | 249.18 | 136.71 | 233.06 | 235.03 | 15.13 | 53.65 | 10.74 | 133.80 | 1.63 | 4.18 | 10.45 | 3.31 | 9.74 | 0.00 | 2.33 | 9.47 | 6.73 | 21.58 | 49.30 | 16.45 | 211.84 | 130.82 | 114.95 |
| 2004 | 141.97 | 171.19 | 153.44 | 234.62 | 203.90 | 137.97 | 26.84 | 29.36 | 12.70 | 66.49 | 3.51 | 0.11 | 2.72 | 1.71 | 3.15 | 3.09 | 3.65 | 5.69 | 0.00 | 26.78 | 1.19 | 173.06 | 90.07 | 134.51 |
| 2005 | 54.95 | 119.18 | 180.74 | 78.67 | 158.21 | 111.16 | 164.71 | 26.36 | 8.47 | 9.12 | 17.22 | 27.47 | 61.77 | 2.26 | 2.30 | 2.93 | 18.85 | 4.23 | 21.57 | 103.08 | 9.35 | 114.31 | 173.04 | 192.71 |
| 2006 | 133.08 | 176.53 | 119.02 | 203.63 | 105.19 | 183.89 | 88.15 | 54.38 | 62.33 | 99.06 | 19.05 | 12.26 | 0.80 | 2.77 | 1.58 | 1.26 | 0.50 | 3.59 | 3.25 | 5.55 | 7.41 | 3.93 | 20.78 | 177.51 |
| 2007 | 33.75 | 131.73 | 130.13 | 170.04 | 148.36 | 252.38 | 75.29 | 105.91 | 16.18 | 69.39 | 13.56 | 68.48 | 5.63 | 6.91 | 3.34 | 6.78 | 1.29 | 3.06 | 12.77 | 27.04 | 39.38 | 25.20 | 35.45 | 178.43 |
| 2008 | 110.81 | 112.86 | 191.07 | 134.88 | 104.57 | 217.91 | 29.76 | 60.42 | 47.31 | 1.36 | 10.67 | 3.05 | 1.12 | 1.21 | 10.29 | 1.38 | 9.40 | 3.57 | 30.14 | 65.18 | 20.58 | 144.06 | 218.37 | 167.10 |
| 2009 | 229.56 | 151.92 | 154.73 | 174.80 | 124.75 | 24.54 | 88.97 | 62.80 | 93.92 | 89.23 | 21.98 | 2.81 | 12.89 | 9.94 | 0.70 | 2.82 | 1.16 | 15.83 | 8.46 | 13.10 | 20.53 | 74.04 | 64.92 | 165.20 |
| 2010 | 210.36 | 218.63 | 88.66 | 200.89 | 114.15 | 128.97 | 160.85 | 114.94 | 164.16 | 84.92 | 95.37 | 28.54 | 43.27 | 71.11 | 27.00 | 7.89 | 71.45 | 91.75 | 102.86 | 142.69 | 94.65 | 48.33 | 126.23 | 145.22 |
| 2011 | 131.12 | 109.11 | 80.80 | 72.06 | 143.06 | 189.97 | 164.75 | 40.43 | 125.60 | 52.00 | 9.41 | 19.03 | 23.68 | 3.99 | 0.12 | 0.72 | 0.56 | 0.81 | 0.57 | 9.23 | 141.68 | 79.28 | 113.28 | 152.51 |
| 2012 | 180.43 | 134.82 | 94.71 | 90.76 | 167.41 | 64.44 | 59.45 | 21.81 | 138.54 | 2.24 | 13.64 | 8.23 | 10.41 | 9.26 | 0.00 | 0.00 | 0.06 | 5.81 | 2.32 | 11.11 | 0.83 | 128.59 | 130.11 | 159.86 |
| 2013 | 257.20 | 177.10 | 57.29 | 146.69 | 205.92 | 59.02 | 154.35 | 32.42 | 19.28 | 115.86 | 111.43 | 42.28 | 96.49 | 7.31 | 0.12 | 0.00 | 1.12 | 0.27 | 15.67 | 13.86 | 61.53 | 133.22 | 84.45 | 139.46 |
| 2014 | 95.67 | 180.38 | 129.36 | 138.02 | 173.92 | 40.66 | 146.26 | 41.52 | 50.01 | 30.08 | 12.94 | 16.77 | 69.83 | 2.66 | 6.41 | 2.04 | 0.00 | 0.00 | 0.45 | 0.00 | 30.14 | 81.50 | 91.94 | 164.94 |
| 2015 | 84.69 | 176.45 | 167.05 | 114.63 | 235.76 | 85.83 | 48.95 | 127.38 | 100.08 | 13.14 | 18.19 | 3.62 | 0.76 | 0.00 | 6.34 | 0.00 | 0.00 | 0.00 | 0.00 | 6.80 | 69.03 | 20.92 | 67.43 | 83.08 |
| 2016 | 3.25 | 175.30 | 222.06 | 132.73 | 100.81 | 57.79 | 95.89 | 21.68 | 54.75 | 81.37 | 28.29 | 96.52 | 38.48 | 45.89 | 15.71 | 0.00 | 0.18 | 99.41 | 90.04 | 61.65 | 66.27 | 131.30 | 166.09 | 91.49 |
| 2017 | 138.66 | 233.46 | 182.44 | 54.18 | 49.52 | 151.28 | 154.23 | 49.70 | 86.71 | 17.96 | 122.74 | 17.89 | 0.67 | 5.21 | 1.92 | 0.44 | 0.31 | 0.69 | 17.45 | 24.68 | 97.22 | 172.32 | 85.48 | 189.54 |
| 2018 | 153.85 | 231.63 | 202.34 | 184.65 | 207.35 | 104.08 | 53.81 | 14.67 | 7.10 | 8.45 | 1.27 | 34.89 | 0.02 | 0.00 | 0.75 | 0.00 | 2.40 | 0.27 | 0.00 | 0.29 | 6.57 | 173.31 | 51.96 | 93.57 |
| 2019 | 95.44 | 222.07 | 208.40 | 82.29 | 139.07 | 149.16 | 196.84 | 37.81 | 32.12 | 1.94 | 2.34 | 0.00 | 2.89 | 1.44 | 0.00 | 0.11 | 0.00 | 0.39 | 0.00 | 0.00 | 47.49 | 9.22 | 52.45 | 81.67 |
| 2020 | 125.30 | 86.26 | 135.82 | 230.26 | 212.01 | 99.65 | 116.76 | 48.39 | 12.89 | 166.96 | 5.11 | 5.05 | 13.78 | 0.00 | 53.67 | 0.00 | 0.00 | 0.30 | 29.81 | 99.54 | 7.87 | 106.25 | 220.92 | 116.07 |
| 2021 | 180.23 | 161.70 | 237.94 | 204.69 | 174.11 | 129.51 | 149.47 | 0.10 | 0.83 | 10.26 | 5.12 | 125.29 | 6.11 | 1.94 | 13.92 | 0.66 | 62.17 | 9.04 | 8.27 | 73.15 | 138.70 | 190.25 | 167.67 | 184.08 |
| 2022 | 240.67 | 163.54 | 132.70 | 70.33 | 112.71 | 273.39 | 33.25 | 130.42 | 42.15 | 172.49 | 76.46 | 8.34 | 21.58 | 2.83 | 31.95 | 0.00 | 37.46 | 25.83 | 102.45 | 212.55 | 43.76 | 215.26 | 33.93 | 184.84 |
| 2023 | 53.99 | 159.79 | 314.38 | 112.91 | 124.57 | 119.67 | 168.75 | 36.67 | 31.85 | 0.00 | 2.98 | 3.09 | 29.24 | 0.00 | 0.00 | 0.16 | 1.18 | 0.00 | 0.56 | 9.57 | 24.83 | 64.37 | 125.92 | 51.91 |
| 2024 | 90.54 | 75.99 | 123.91 | 86.87 | 216.42 | 35.61 | 73.92 | 130.29 | 0.07 | 9.28 | 1.48 | 0.00 | 17.89 | 1.54 | 0.00 | 0.00 | 0.00 | 8.59 | 1.46 | 19.56 | 50.71 | 90.63 | 242.94 | 134.86 |
| 2025 | 151.74 | 218.91 | 111.80 | 155.00 | 82.63 | 144.71 | 74.40 | 69.17 | 116.23 | 92.01 | 26.90 | 24.08 | 22.61 | 0.00 | 0.00 | 2.21 | 4.99 | 84.59 | – | – | – | – | – | – |
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 | 84.60 | 117.92 | 108.71 | 81.57 | 105.07 | 58.77 | 52.84 | 22.74 | 12.85 | 2.18 | 3.42 | 2.57 | 0.79 | 0.28 | 0.00 | 0.00 | 0.00 | 0.29 | 0.27 | 6.30 | 8.76 | 51.74 | 57.51 | 92.73 |
| R80mm/hari | 5.64 | 7.37 | 7.76 | 5.83 | 7.00 | 3.67 | 3.52 | 1.52 | 0.86 | 0.14 | 0.23 | 0.17 | 0.05 | 0.02 | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 0.39 | 0.58 | 3.45 | 3.83 | 5.80 |
| Reff Padimm/hari | 3.95 | 5.16 | 5.44 | 4.08 | 4.90 | 2.57 | 2.47 | 1.06 | 0.60 | 0.10 | 0.16 | 0.12 | 0.04 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.28 | 0.41 | 2.41 | 2.68 | 4.06 |
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.