HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Tepal, Kec. Batu Lanteh, Sumbawa, Prov. Nusa Tenggara Barat
GPM01D_E11725_S0865
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.02
mm/hari
Reff Padi Rata-rata
1.42
mm/hari
Reff Padi Maksimum
4.09
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 | 67.28 | 126.06 | 72.96 | 162.24 | 79.61 | 97.72 | 98.52 | 91.04 | 1.35 | 74.30 | 9.15 | 32.51 | 81.91 | 45.84 | 0.04 | 20.27 | 0.00 | 131.38 | 19.66 | 175.91 | 64.97 | 64.55 | 33.82 | 249.61 |
| 1999 | 194.41 | 213.12 | 200.25 | 143.69 | 76.04 | 135.13 | 149.01 | 28.58 | 18.79 | 0.13 | 0.13 | 49.09 | 1.57 | 0.20 | 45.49 | 2.61 | 0.00 | 14.03 | 94.31 | 69.82 | 172.39 | 75.04 | 173.22 | 85.80 |
| 2000 | 149.65 | 220.25 | 136.56 | 53.69 | 117.88 | 95.89 | 106.70 | 115.50 | 21.57 | 64.41 | 2.29 | 9.63 | 2.18 | 0.00 | 12.33 | 16.90 | 0.00 | 12.34 | 102.10 | 63.24 | 113.84 | 137.85 | 143.49 | 16.29 |
| 2001 | 103.19 | 114.51 | 114.19 | 7.65 | 58.26 | 133.98 | 102.62 | 25.41 | 7.26 | 24.75 | 99.57 | 1.80 | 3.54 | 26.77 | 16.91 | 0.15 | 0.00 | 9.80 | 28.85 | 111.44 | 50.14 | 124.75 | 98.82 | 72.43 |
| 2002 | 47.19 | 170.54 | 263.10 | 77.32 | 82.31 | 125.18 | 50.37 | 29.62 | 5.91 | 0.06 | 8.26 | 0.50 | 0.00 | 0.00 | 3.21 | 0.00 | 1.46 | 0.71 | 0.00 | 18.11 | 71.29 | 144.21 | 184.89 | 184.19 |
| 2003 | 109.46 | 182.99 | 117.60 | 239.63 | 109.65 | 22.74 | 68.21 | 0.37 | 26.35 | 0.00 | 0.00 | 4.52 | 4.38 | 4.32 | 0.00 | 1.16 | 3.75 | 0.28 | 17.06 | 30.28 | 23.88 | 160.58 | 134.37 | 127.56 |
| 2004 | 86.16 | 78.80 | 113.41 | 135.04 | 144.42 | 43.05 | 14.83 | 5.04 | 8.54 | 82.15 | 1.99 | 0.00 | 0.43 | 0.00 | 0.23 | 0.01 | 0.61 | 0.23 | 2.21 | 42.27 | 31.89 | 173.33 | 72.01 | 150.39 |
| 2005 | 25.27 | 89.38 | 132.87 | 72.58 | 103.75 | 75.29 | 144.63 | 9.05 | 4.63 | 0.00 | 0.00 | 10.15 | 23.49 | 0.06 | 2.55 | 0.23 | 0.20 | 7.99 | 28.54 | 92.73 | 2.44 | 166.03 | 109.54 | 149.10 |
| 2006 | 89.47 | 123.52 | 19.70 | 250.09 | 82.54 | 106.91 | 80.69 | 78.22 | 41.98 | 45.57 | 0.49 | 2.99 | 1.21 | 0.03 | 5.87 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 40.78 | 7.11 | 65.06 | 203.23 |
| 2007 | 39.77 | 22.50 | 51.75 | 210.45 | 182.59 | 183.96 | 117.73 | 67.02 | 2.54 | 45.40 | 11.46 | 10.47 | 0.00 | 2.01 | 0.74 | 1.79 | 0.09 | 0.00 | 6.15 | 56.67 | 169.36 | 21.83 | 74.46 | 163.23 |
| 2008 | 104.74 | 80.36 | 139.29 | 92.24 | 97.32 | 121.88 | 48.12 | 48.50 | 74.16 | 0.02 | 20.70 | 0.00 | 3.24 | 0.40 | 6.62 | 2.11 | 3.34 | 22.52 | 58.71 | 57.43 | 94.90 | 94.67 | 110.15 | 98.45 |
| 2009 | 119.67 | 100.87 | 143.80 | 112.23 | 110.37 | 31.88 | 52.78 | 54.54 | 38.32 | 71.54 | 0.00 | 0.00 | 2.83 | 4.57 | 0.00 | 0.00 | 13.26 | 2.45 | 12.22 | 22.14 | 46.08 | 113.37 | 35.38 | 145.37 |
| 2010 | 187.94 | 182.26 | 115.77 | 66.13 | 65.84 | 53.25 | 59.33 | 55.77 | 70.32 | 90.99 | 9.58 | 1.05 | 64.46 | 42.77 | 0.82 | 6.89 | 110.07 | 135.23 | 85.58 | 127.95 | 82.46 | 167.24 | 177.77 | 110.16 |
| 2011 | 112.58 | 92.59 | 110.90 | 92.15 | 110.92 | 104.49 | 194.03 | 75.32 | 179.58 | 7.23 | 0.00 | 4.78 | 0.00 | 0.74 | 0.00 | 0.00 | 0.00 | 0.00 | 1.41 | 91.28 | 199.93 | 95.77 | 68.72 | 115.82 |
| 2012 | 142.42 | 151.75 | 67.02 | 122.09 | 205.80 | 100.03 | 24.14 | 34.04 | 87.39 | 1.01 | 0.12 | 5.69 | 2.57 | 3.22 | 0.27 | 0.00 | 0.00 | 2.64 | 31.24 | 38.55 | 31.23 | 113.25 | 148.83 | 146.40 |
| 2013 | 247.81 | 176.23 | 57.90 | 189.52 | 89.95 | 26.12 | 94.20 | 13.22 | 6.43 | 87.83 | 37.38 | 46.54 | 4.24 | 1.92 | 0.05 | 0.53 | 0.00 | 2.05 | 4.69 | 75.10 | 81.08 | 88.40 | 129.69 | 155.16 |
| 2014 | 156.93 | 80.94 | 37.14 | 56.40 | 105.40 | 93.32 | 58.08 | 88.08 | 4.66 | 40.46 | 0.50 | 7.15 | 1.34 | 1.15 | 0.05 | 0.00 | 0.00 | 9.66 | 0.00 | 0.00 | 86.61 | 172.05 | 147.00 | 138.50 |
| 2015 | 54.90 | 144.26 | 116.66 | 101.33 | 213.70 | 34.04 | 38.69 | 191.64 | 73.85 | 0.00 | 0.26 | 1.15 | 0.04 | 0.00 | 1.79 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 51.89 | 67.45 | 136.09 | 119.10 |
| 2016 | 16.45 | 188.48 | 260.08 | 129.08 | 168.54 | 51.36 | 116.68 | 37.74 | 76.01 | 28.70 | 13.55 | 111.64 | 43.26 | 9.43 | 6.39 | 12.63 | 3.98 | 156.25 | 41.26 | 191.50 | 129.72 | 157.03 | 158.35 | 107.87 |
| 2017 | 81.35 | 261.12 | 308.09 | 60.59 | 59.52 | 154.96 | 125.90 | 70.89 | 55.79 | 28.01 | 53.29 | 8.19 | 20.75 | 1.01 | 0.29 | 2.11 | 0.00 | 30.20 | 42.06 | 85.77 | 171.13 | 193.79 | 47.81 | 136.00 |
| 2018 | 133.37 | 199.90 | 117.10 | 194.92 | 119.74 | 105.69 | 45.38 | 24.57 | 0.79 | 1.77 | 0.00 | 30.28 | 0.03 | 2.40 | 0.00 | 0.00 | 10.28 | 28.75 | 0.00 | 5.63 | 83.42 | 214.66 | 84.91 | 92.05 |
| 2019 | 112.19 | 161.52 | 183.17 | 74.68 | 86.90 | 124.08 | 121.40 | 51.58 | 61.44 | 0.00 | 2.79 | 0.00 | 0.74 | 2.46 | 0.00 | 0.00 | 0.00 | 0.94 | 0.00 | 0.00 | 52.67 | 33.37 | 52.23 | 152.04 |
| 2020 | 140.11 | 46.88 | 138.85 | 112.87 | 224.08 | 44.47 | 55.87 | 19.16 | 1.60 | 106.04 | 1.14 | 0.54 | 3.26 | 0.00 | 17.19 | 0.22 | 0.14 | 6.63 | 38.58 | 100.59 | 6.82 | 120.08 | 264.87 | 94.53 |
| 2021 | 173.60 | 203.18 | 180.31 | 184.18 | 133.09 | 84.96 | 94.97 | 0.42 | 52.96 | 9.93 | 0.34 | 51.29 | 0.87 | 3.29 | 0.96 | 13.29 | 58.07 | 11.91 | 8.12 | 175.27 | 115.32 | 195.60 | 202.60 | 129.83 |
| 2022 | 144.99 | 111.94 | 122.86 | 76.39 | 98.00 | 165.64 | 45.09 | 67.45 | 22.96 | 64.01 | 71.39 | 2.86 | 9.86 | 3.01 | 20.95 | 0.15 | 27.50 | 19.92 | 185.25 | 85.70 | 140.59 | 175.67 | 88.77 | 141.30 |
| 2023 | 52.89 | 161.68 | 169.02 | 114.86 | 77.57 | 131.56 | 136.24 | 12.62 | 22.69 | 0.02 | 15.88 | 17.21 | 18.68 | 0.00 | 3.42 | 0.00 | 0.78 | 0.48 | 0.00 | 0.14 | 33.62 | 135.64 | 208.89 | 31.53 |
| 2024 | 83.73 | 77.61 | 144.24 | 90.06 | 200.10 | 34.37 | 99.03 | 41.66 | 0.00 | 0.00 | 5.05 | 0.00 | 11.25 | 6.95 | 0.00 | 4.76 | 0.19 | 46.29 | 2.55 | 49.55 | 120.44 | 98.36 | 201.11 | 206.63 |
| 2025 | 133.86 | 198.47 | 122.73 | 170.71 | 49.68 | 133.43 | 104.52 | 35.67 | 96.42 | 36.60 | 23.15 | 8.26 | 1.31 | 1.42 | 0.00 | 5.50 | 12.04 | 64.67 | – | – | – | – | – | – |
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 | 54.49 | 80.82 | 71.77 | 71.29 | 77.26 | 41.31 | 47.57 | 13.10 | 4.21 | 0.01 | 0.09 | 0.40 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 0.00 | 3.43 | 32.93 | 72.00 | 67.25 | 93.53 |
| R80mm/hari | 3.63 | 5.05 | 5.13 | 5.09 | 5.15 | 2.58 | 3.17 | 0.87 | 0.28 | 0.00 | 0.01 | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.21 | 2.20 | 4.80 | 4.48 | 5.85 |
| Reff Padimm/hari | 2.54 | 3.54 | 3.59 | 3.56 | 3.61 | 1.81 | 2.22 | 0.61 | 0.20 | 0.00 | 0.00 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.15 | 1.54 | 3.36 | 3.14 | 4.09 |
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.