HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Riwo, Kec. Woja, Dompu, Prov. Nusa Tenggara Barat
GPM01D_E11835_S0865
Panjang Data
28
tahun tersedia
R80 Rata-rata
1.70
mm/hari
Reff Padi Rata-rata
1.19
mm/hari
Reff Padi Maksimum
4.00
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 | 44.88 | 142.27 | 34.80 | 122.12 | 72.05 | 85.73 | 122.43 | 86.56 | 0.94 | 47.55 | 15.24 | 14.02 | 25.08 | 50.73 | 0.00 | 2.58 | 11.73 | 4.94 | 55.92 | 154.77 | 68.92 | 90.45 | 93.20 | 164.99 |
| 1999 | 72.40 | 236.30 | 177.72 | 130.00 | 91.30 | 147.57 | 170.16 | 19.41 | 5.75 | 0.73 | 0.56 | 24.76 | 1.52 | 1.29 | 0.05 | 1.46 | 0.00 | 1.53 | 44.95 | 21.70 | 162.00 | 72.31 | 184.81 | 94.27 |
| 2000 | 97.56 | 202.74 | 170.95 | 58.48 | 150.38 | 57.68 | 115.31 | 179.71 | 51.06 | 60.17 | 6.88 | 7.68 | 1.66 | 0.00 | 7.09 | 0.06 | 0.06 | 0.13 | 44.25 | 54.81 | 113.24 | 104.21 | 91.24 | 20.74 |
| 2001 | 106.79 | 104.59 | 136.77 | 10.33 | 33.75 | 167.02 | 18.85 | 39.48 | 2.33 | 25.86 | 74.05 | 0.81 | 2.94 | 9.82 | 6.60 | 0.00 | 0.48 | 1.88 | 6.06 | 85.78 | 23.80 | 172.42 | 94.76 | 63.97 |
| 2002 | 47.98 | 167.64 | 179.88 | 99.07 | 87.21 | 93.32 | 67.41 | 2.28 | 2.34 | 0.00 | 4.52 | 1.12 | 0.00 | 0.00 | 0.00 | 17.35 | 6.14 | 4.08 | 0.08 | 2.05 | 3.46 | 127.36 | 216.10 | 129.41 |
| 2003 | 188.82 | 98.69 | 97.34 | 142.42 | 169.02 | 25.82 | 67.11 | 5.45 | 40.32 | 0.00 | 0.00 | 4.34 | 1.20 | 1.56 | 0.94 | 0.58 | 0.37 | 0.21 | 2.80 | 3.45 | 17.24 | 67.24 | 136.83 | 80.59 |
| 2004 | 63.72 | 160.01 | 109.80 | 94.23 | 181.06 | 21.72 | 4.07 | 1.85 | 9.09 | 91.48 | 3.43 | 1.28 | 10.95 | 0.17 | 1.11 | 0.00 | 0.14 | 1.00 | 2.05 | 12.39 | 4.81 | 123.46 | 36.66 | 159.21 |
| 2005 | 14.69 | 90.11 | 115.33 | 19.95 | 92.79 | 44.38 | 121.00 | 3.02 | 3.59 | 0.00 | 3.96 | 7.73 | 14.91 | 0.28 | 0.00 | 19.01 | 0.02 | 3.63 | 5.87 | 52.38 | 1.35 | 187.23 | 81.07 | 145.12 |
| 2006 | 80.48 | 155.47 | 28.06 | 166.77 | 59.65 | 108.14 | 115.45 | 56.28 | 48.08 | 60.12 | 2.33 | 11.47 | 0.00 | 0.00 | 0.00 | 0.52 | 0.00 | 0.00 | 0.37 | 0.00 | 4.18 | 1.77 | 25.85 | 150.87 |
| 2007 | 42.87 | 7.83 | 67.96 | 158.94 | 145.29 | 74.67 | 127.06 | 36.87 | 5.29 | 21.02 | 3.67 | 6.07 | 1.22 | 2.21 | 0.21 | 11.73 | 0.00 | 0.18 | 1.02 | 17.07 | 94.31 | 7.27 | 65.56 | 193.67 |
| 2008 | 55.26 | 101.97 | 132.84 | 79.00 | 55.19 | 333.16 | 83.80 | 0.71 | 14.01 | 1.21 | 14.09 | 2.28 | 0.00 | 0.62 | 18.27 | 1.32 | 1.20 | 9.06 | 33.48 | 14.75 | 34.88 | 156.44 | 121.17 | 109.21 |
| 2009 | 108.84 | 99.88 | 116.33 | 79.65 | 131.73 | 19.87 | 47.08 | 8.77 | 22.52 | 18.44 | 3.96 | 0.35 | 1.24 | 0.38 | 0.23 | 1.32 | 9.24 | 0.00 | 14.58 | 36.19 | 13.13 | 55.78 | 23.66 | 158.26 |
| 2010 | 117.80 | 128.79 | 92.96 | 73.58 | 35.52 | 77.78 | 15.35 | 61.09 | 144.25 | 60.64 | 10.21 | 13.04 | 74.17 | 8.93 | 0.53 | 5.08 | 123.44 | 109.24 | 71.09 | 58.56 | 105.02 | 78.74 | 95.47 | 155.53 |
| 2011 | 105.91 | 91.84 | 105.47 | 92.16 | 110.76 | 102.99 | 175.16 | 98.27 | 130.91 | 2.26 | 0.00 | 9.53 | 3.48 | 0.00 | 0.00 | 0.14 | 0.63 | 0.00 | 0.00 | 60.29 | 56.64 | 92.87 | 76.30 | 70.55 |
| 2012 | 161.21 | 65.75 | 82.97 | 67.66 | 143.41 | 92.09 | 26.82 | 33.41 | 137.26 | 5.76 | 3.45 | 1.83 | 0.99 | 12.05 | 0.26 | 0.00 | 0.59 | 0.00 | 3.06 | 3.36 | 7.80 | 150.57 | 86.21 | 185.55 |
| 2013 | 185.13 | 139.98 | 31.49 | 163.55 | 103.86 | 3.52 | 110.81 | 2.44 | 20.06 | 145.97 | 34.42 | 44.99 | 13.25 | 3.32 | 18.18 | 0.00 | 0.72 | 0.00 | 17.44 | 10.83 | 17.70 | 113.46 | 112.95 | 322.00 |
| 2014 | 89.30 | 140.99 | 42.27 | 54.79 | 67.45 | 77.79 | 90.26 | 59.56 | 10.35 | 20.23 | 4.61 | 26.06 | 14.71 | 0.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.45 | 0.00 | 8.21 | 108.82 | 168.56 | 134.62 |
| 2015 | 119.10 | 166.04 | 86.29 | 107.70 | 209.46 | 29.51 | 72.97 | 169.38 | 63.98 | 2.43 | 0.28 | 0.18 | 1.63 | 0.00 | 0.00 | 0.59 | 0.00 | 0.00 | 0.00 | 0.00 | 11.07 | 28.38 | 69.60 | 105.27 |
| 2016 | 4.00 | 253.40 | 211.53 | 69.43 | 166.73 | 66.30 | 140.31 | 15.18 | 77.85 | 15.25 | 26.42 | 130.13 | 93.39 | 3.06 | 15.32 | 5.20 | 26.25 | 71.18 | 39.03 | 137.79 | 97.71 | 119.03 | 182.80 | 79.14 |
| 2017 | 54.94 | 280.96 | 261.10 | 18.87 | 80.69 | 191.79 | 143.83 | 30.34 | 40.93 | 28.07 | 35.30 | 14.13 | 12.57 | 0.06 | 0.00 | 1.57 | 0.00 | 3.78 | 37.60 | 10.95 | 93.64 | 183.03 | 80.99 | 131.89 |
| 2018 | 127.19 | 269.20 | 139.91 | 117.41 | 90.76 | 82.14 | 14.20 | 23.99 | 15.25 | 1.84 | 0.00 | 11.35 | 0.00 | 0.00 | 12.13 | 0.00 | 0.20 | 0.40 | 0.00 | 0.01 | 19.64 | 129.85 | 88.04 | 126.14 |
| 2019 | 89.25 | 141.76 | 163.96 | 49.37 | 104.77 | 102.54 | 127.88 | 62.30 | 5.11 | 0.00 | 0.98 | 0.03 | 0.29 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.76 | 6.53 | 100.77 | 121.04 |
| 2020 | 129.04 | 14.00 | 167.93 | 143.19 | 181.96 | 40.59 | 35.41 | 26.68 | 2.12 | 99.13 | 2.19 | 1.58 | 1.45 | 0.00 | 0.60 | 0.00 | 0.00 | 1.62 | 44.80 | 68.03 | 5.02 | 165.30 | 248.71 | 79.96 |
| 2021 | 151.38 | 228.19 | 213.67 | 143.85 | 125.40 | 162.36 | 127.20 | 0.00 | 52.96 | 14.04 | 2.04 | 15.77 | 0.58 | 0.34 | 14.21 | 0.98 | 33.20 | 13.31 | 9.45 | 105.65 | 122.00 | 241.87 | 253.77 | 116.31 |
| 2022 | 116.16 | 78.30 | 95.85 | 117.56 | 61.10 | 89.42 | 63.72 | 98.33 | 7.04 | 73.64 | 21.90 | 6.75 | 1.34 | 0.00 | 10.92 | 0.59 | 9.50 | 20.71 | 56.48 | 96.95 | 106.38 | 240.17 | 35.72 | 146.28 |
| 2023 | 31.60 | 147.89 | 137.79 | 162.28 | 63.38 | 153.03 | 159.81 | 42.86 | 17.10 | 2.66 | 0.22 | 0.00 | 2.92 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.34 | 4.16 | 116.73 | 87.14 | 67.38 |
| 2024 | 84.28 | 68.79 | 172.55 | 36.49 | 209.75 | 15.25 | 136.75 | 44.86 | 0.00 | 0.24 | 0.36 | 0.15 | 20.41 | 1.77 | 0.00 | 1.63 | 7.35 | 10.52 | 5.54 | 74.39 | 108.69 | 112.77 | 182.40 | 175.97 |
| 2025 | 112.96 | 239.06 | 129.68 | 117.06 | 37.08 | 83.41 | 59.35 | 36.99 | 150.95 | 22.85 | 19.51 | 14.57 | 2.09 | 0.00 | 0.00 | 0.06 | 5.78 | 42.91 | – | – | – | – | – | – |
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 | 47.36 | 87.74 | 79.96 | 53.71 | 60.81 | 28.77 | 33.69 | 2.90 | 3.34 | 0.63 | 0.34 | 0.71 | 0.52 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.81 | 4.56 | 62.65 | 67.98 | 79.63 |
| R80mm/hari | 3.16 | 5.48 | 5.71 | 3.84 | 4.05 | 1.80 | 2.25 | 0.19 | 0.22 | 0.04 | 0.02 | 0.05 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.30 | 4.18 | 4.53 | 4.98 |
| Reff Padimm/hari | 2.21 | 3.84 | 4.00 | 2.69 | 2.84 | 1.26 | 1.57 | 0.14 | 0.16 | 0.03 | 0.02 | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.21 | 2.92 | 3.17 | 3.48 |
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.