HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Kelawis, Kec. Orong Telu, Sumbawa, Prov. Nusa Tenggara Barat
GPM01D_E11715_S0875
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.15
mm/hari
Reff Padi Rata-rata
1.51
mm/hari
Reff Padi Maksimum
4.49
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 | 85.72 | 147.14 | 84.55 | 126.99 | 115.07 | 92.30 | 131.49 | 52.25 | 11.08 | 52.01 | 11.35 | 46.88 | 74.09 | 55.49 | 0.00 | 18.01 | 0.07 | 173.00 | 73.86 | 159.15 | 72.03 | 63.21 | 39.74 | 236.63 |
| 1999 | 219.62 | 208.92 | 175.66 | 181.93 | 62.80 | 133.33 | 175.01 | 25.26 | 16.46 | 0.05 | 0.15 | 35.05 | 7.31 | 4.20 | 37.70 | 11.90 | 0.00 | 12.31 | 85.57 | 94.52 | 176.50 | 98.77 | 204.58 | 61.30 |
| 2000 | 158.43 | 175.46 | 156.71 | 53.27 | 108.14 | 109.86 | 133.46 | 97.15 | 32.63 | 67.59 | 2.64 | 9.64 | 0.67 | 0.00 | 16.79 | 5.50 | 0.00 | 12.00 | 68.15 | 69.61 | 147.84 | 117.56 | 203.01 | 19.52 |
| 2001 | 91.44 | 144.04 | 113.49 | 9.55 | 65.41 | 150.30 | 73.38 | 29.90 | 2.58 | 33.64 | 121.11 | 0.99 | 4.45 | 42.26 | 7.05 | 0.00 | 0.00 | 4.85 | 49.98 | 127.54 | 50.76 | 166.40 | 105.08 | 52.45 |
| 2002 | 44.13 | 174.01 | 258.02 | 87.38 | 100.13 | 100.86 | 70.69 | 14.91 | 11.33 | 0.52 | 11.09 | 0.75 | 0.00 | 0.00 | 1.46 | 0.00 | 0.16 | 0.84 | 0.00 | 27.42 | 62.74 | 154.37 | 140.84 | 236.95 |
| 2003 | 127.47 | 140.39 | 81.27 | 215.77 | 137.84 | 13.15 | 78.49 | 0.95 | 19.58 | 0.00 | 0.00 | 5.12 | 2.17 | 1.67 | 0.00 | 0.00 | 4.64 | 0.00 | 12.75 | 21.80 | 22.30 | 195.93 | 135.24 | 132.56 |
| 2004 | 97.35 | 107.96 | 88.19 | 148.44 | 153.09 | 40.23 | 5.01 | 11.77 | 13.52 | 71.43 | 4.72 | 0.00 | 0.02 | 0.00 | 1.16 | 0.00 | 24.52 | 1.30 | 3.19 | 44.68 | 25.08 | 183.65 | 58.54 | 179.66 |
| 2005 | 17.38 | 78.23 | 103.07 | 109.02 | 117.36 | 77.83 | 141.62 | 6.40 | 8.40 | 0.00 | 0.05 | 15.32 | 24.50 | 0.00 | 3.07 | 0.20 | 0.14 | 7.91 | 23.68 | 96.25 | 2.33 | 168.07 | 131.46 | 131.01 |
| 2006 | 119.90 | 110.38 | 20.57 | 216.72 | 80.87 | 95.02 | 121.80 | 60.20 | 47.79 | 45.75 | 0.39 | 0.99 | 0.09 | 0.10 | 2.75 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 27.85 | 15.70 | 115.07 | 169.07 |
| 2007 | 43.93 | 16.25 | 52.61 | 170.26 | 159.84 | 172.79 | 108.51 | 76.08 | 7.96 | 44.47 | 7.04 | 6.54 | 0.21 | 1.88 | 0.74 | 1.56 | 0.09 | 0.52 | 22.84 | 47.31 | 177.77 | 17.32 | 74.03 | 178.62 |
| 2008 | 88.32 | 91.13 | 108.16 | 118.42 | 116.28 | 165.74 | 72.38 | 44.44 | 82.69 | 1.47 | 14.73 | 0.06 | 6.88 | 0.47 | 3.85 | 1.51 | 4.49 | 15.92 | 98.29 | 54.62 | 56.24 | 170.34 | 156.34 | 73.69 |
| 2009 | 152.66 | 108.22 | 116.58 | 111.07 | 101.35 | 86.03 | 72.98 | 37.14 | 45.38 | 66.61 | 5.96 | 0.00 | 1.16 | 1.68 | 0.00 | 0.00 | 9.45 | 2.03 | 5.78 | 38.48 | 15.62 | 129.91 | 32.23 | 155.50 |
| 2010 | 163.10 | 234.93 | 118.57 | 53.66 | 80.60 | 54.41 | 65.53 | 60.41 | 112.95 | 71.63 | 8.85 | 15.25 | 61.54 | 31.12 | 0.17 | 17.96 | 101.28 | 160.64 | 73.80 | 141.45 | 75.49 | 128.53 | 183.12 | 97.64 |
| 2011 | 123.74 | 68.51 | 104.57 | 77.07 | 115.48 | 84.17 | 185.70 | 107.75 | 184.90 | 1.80 | 0.00 | 8.57 | 4.84 | 0.03 | 0.00 | 0.01 | 0.12 | 0.03 | 2.17 | 70.41 | 152.00 | 144.50 | 88.22 | 115.15 |
| 2012 | 138.21 | 155.87 | 46.03 | 124.27 | 165.22 | 114.02 | 38.69 | 28.96 | 109.96 | 2.34 | 0.13 | 4.02 | 4.00 | 2.02 | 0.29 | 0.00 | 0.00 | 1.87 | 12.81 | 52.80 | 13.68 | 168.29 | 148.25 | 166.55 |
| 2013 | 215.04 | 166.53 | 101.20 | 131.50 | 83.98 | 48.99 | 111.66 | 22.95 | 0.97 | 110.75 | 32.69 | 56.31 | 6.18 | 0.02 | 0.03 | 0.00 | 0.00 | 0.00 | 14.99 | 81.46 | 59.31 | 96.64 | 123.24 | 180.68 |
| 2014 | 163.99 | 74.93 | 43.99 | 49.88 | 132.96 | 59.72 | 34.09 | 99.56 | 2.32 | 69.63 | 0.86 | 7.99 | 12.52 | 2.24 | 0.00 | 0.00 | 0.00 | 1.59 | 0.00 | 0.00 | 138.35 | 123.56 | 176.92 | 185.75 |
| 2015 | 51.79 | 114.93 | 113.57 | 103.65 | 162.64 | 72.54 | 34.45 | 161.83 | 70.49 | 7.94 | 0.68 | 0.08 | 0.00 | 0.00 | 0.78 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 33.38 | 95.75 | 147.38 | 95.42 |
| 2016 | 12.46 | 193.33 | 237.35 | 164.43 | 152.36 | 72.31 | 118.26 | 40.24 | 71.81 | 25.27 | 18.25 | 103.00 | 37.46 | 8.44 | 2.33 | 21.70 | 6.38 | 168.12 | 69.56 | 184.47 | 151.36 | 135.18 | 170.87 | 90.19 |
| 2017 | 77.13 | 239.23 | 259.61 | 77.15 | 45.00 | 157.32 | 94.88 | 56.13 | 26.28 | 36.96 | 56.33 | 8.56 | 14.60 | 0.00 | 1.24 | 3.79 | 0.00 | 60.96 | 46.86 | 65.94 | 157.25 | 248.90 | 47.17 | 137.51 |
| 2018 | 137.42 | 229.63 | 91.84 | 194.60 | 121.54 | 83.82 | 22.03 | 43.65 | 0.06 | 3.57 | 0.00 | 35.10 | 0.00 | 0.75 | 0.00 | 0.00 | 5.78 | 39.70 | 0.00 | 0.81 | 84.88 | 197.50 | 83.94 | 90.71 |
| 2019 | 95.45 | 159.26 | 133.53 | 100.95 | 111.96 | 100.11 | 185.22 | 13.64 | 4.38 | 0.00 | 0.65 | 0.00 | 0.16 | 0.09 | 0.00 | 0.00 | 0.28 | 0.00 | 0.00 | 19.42 | 16.49 | 28.24 | 93.73 | 151.88 |
| 2020 | 128.32 | 52.03 | 118.47 | 123.50 | 188.38 | 86.95 | 87.31 | 15.15 | 7.06 | 109.37 | 1.58 | 1.06 | 0.55 | 0.00 | 18.37 | 0.00 | 0.64 | 19.02 | 18.52 | 170.81 | 14.32 | 154.07 | 244.07 | 68.37 |
| 2021 | 194.99 | 184.13 | 143.76 | 202.81 | 135.81 | 81.67 | 85.28 | 1.18 | 48.44 | 17.18 | 0.00 | 82.84 | 6.22 | 0.14 | 0.16 | 0.04 | 63.28 | 3.19 | 12.59 | 185.57 | 117.29 | 189.36 | 190.84 | 129.28 |
| 2022 | 129.87 | 78.31 | 87.65 | 76.33 | 83.52 | 137.59 | 46.96 | 72.97 | 13.19 | 81.59 | 57.89 | 2.44 | 13.39 | 0.00 | 22.37 | 0.07 | 50.24 | 7.17 | 145.82 | 111.52 | 127.83 | 177.27 | 140.78 | 109.78 |
| 2023 | 31.94 | 150.37 | 153.81 | 110.22 | 90.15 | 150.55 | 124.21 | 22.14 | 21.62 | 0.00 | 10.08 | 15.86 | 4.54 | 0.00 | 3.87 | 0.00 | 0.00 | 0.00 | 0.00 | 17.16 | 35.04 | 151.41 | 164.37 | 41.76 |
| 2024 | 88.89 | 77.44 | 157.48 | 71.15 | 197.22 | 34.17 | 97.21 | 53.71 | 0.00 | 0.49 | 3.57 | 0.00 | 12.73 | 5.26 | 0.00 | 0.00 | 4.66 | 36.17 | 5.87 | 60.03 | 73.75 | 131.31 | 227.95 | 196.08 |
| 2025 | 118.08 | 182.75 | 146.68 | 145.56 | 48.47 | 138.58 | 96.32 | 23.16 | 107.78 | 35.55 | 31.05 | 5.59 | 2.83 | 0.00 | 0.00 | 3.65 | 27.22 | 34.05 | – | – | – | – | – | – |
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 | 50.25 | 78.07 | 83.89 | 75.29 | 80.81 | 58.65 | 45.30 | 14.65 | 4.02 | 0.40 | 0.11 | 0.07 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 18.51 | 19.97 | 96.28 | 79.97 | 71.56 |
| R80mm/hari | 3.35 | 4.88 | 5.99 | 5.38 | 5.39 | 3.67 | 3.02 | 0.98 | 0.27 | 0.02 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.16 | 1.33 | 6.42 | 5.33 | 4.47 |
| Reff Padimm/hari | 2.35 | 3.42 | 4.19 | 3.76 | 3.77 | 2.57 | 2.11 | 0.68 | 0.19 | 0.02 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.81 | 0.93 | 4.49 | 3.73 | 3.13 |
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.