HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Mapin Rea, Kec. Alas Barat, Sumbawa, Prov. Nusa Tenggara Barat
GPM01D_E11695_S0855
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.11
mm/hari
Reff Padi Rata-rata
1.47
mm/hari
Reff Padi Maksimum
4.63
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 | 51.87 | 130.59 | 63.84 | 125.04 | 120.71 | 70.10 | 166.32 | 69.96 | 17.24 | 63.54 | 8.38 | 44.69 | 105.60 | 69.80 | 0.68 | 12.07 | 3.66 | 151.60 | 46.19 | 192.15 | 58.68 | 53.14 | 72.45 | 137.99 |
| 1999 | 130.07 | 250.27 | 178.54 | 141.23 | 71.74 | 142.61 | 179.02 | 12.36 | 10.53 | 0.00 | 0.41 | 33.50 | 17.44 | 11.69 | 26.31 | 17.26 | 2.45 | 13.68 | 54.97 | 102.62 | 155.12 | 72.96 | 169.56 | 64.15 |
| 2000 | 63.80 | 279.77 | 129.65 | 70.91 | 151.80 | 56.01 | 78.77 | 101.24 | 17.10 | 98.24 | 1.50 | 12.64 | 0.97 | 0.05 | 10.00 | 3.61 | 0.00 | 12.60 | 89.52 | 22.00 | 100.66 | 118.00 | 101.03 | 4.26 |
| 2001 | 97.76 | 120.44 | 135.24 | 4.68 | 18.23 | 140.93 | 89.31 | 39.83 | 5.32 | 33.10 | 121.83 | 1.21 | 7.11 | 35.05 | 14.55 | 0.14 | 0.20 | 11.90 | 0.10 | 117.45 | 45.56 | 107.33 | 83.33 | 69.79 |
| 2002 | 14.49 | 220.81 | 274.39 | 74.15 | 84.22 | 139.64 | 77.82 | 8.03 | 11.37 | 0.00 | 5.59 | 0.00 | 0.00 | 1.16 | 9.20 | 2.56 | 0.00 | 0.23 | 0.60 | 17.02 | 29.24 | 150.09 | 190.71 | 154.13 |
| 2003 | 154.47 | 134.65 | 102.84 | 224.70 | 123.94 | 3.58 | 64.35 | 3.92 | 78.70 | 0.00 | 2.74 | 0.45 | 0.71 | 2.96 | 0.00 | 2.85 | 9.60 | 0.88 | 5.16 | 3.88 | 15.44 | 129.40 | 159.11 | 107.01 |
| 2004 | 49.44 | 122.56 | 156.01 | 98.93 | 136.45 | 34.17 | 1.45 | 8.39 | 22.53 | 78.99 | 6.01 | 0.00 | 11.22 | 0.12 | 0.99 | 1.35 | 0.28 | 14.69 | 2.14 | 29.41 | 17.98 | 148.02 | 90.15 | 146.34 |
| 2005 | 9.62 | 91.76 | 183.16 | 35.47 | 86.48 | 95.69 | 162.93 | 10.18 | 13.48 | 1.45 | 4.08 | 41.11 | 25.98 | 0.00 | 1.45 | 32.80 | 0.68 | 7.72 | 19.07 | 86.04 | 4.38 | 146.30 | 123.23 | 140.96 |
| 2006 | 112.78 | 152.96 | 14.30 | 220.57 | 88.13 | 117.70 | 79.92 | 98.57 | 15.52 | 90.15 | 4.74 | 7.63 | 1.98 | 0.40 | 3.86 | 0.10 | 0.17 | 0.00 | 0.76 | 0.00 | 36.37 | 23.92 | 50.45 | 215.93 |
| 2007 | 70.33 | 14.59 | 54.81 | 153.37 | 186.53 | 150.51 | 116.28 | 55.11 | 15.49 | 44.11 | 1.22 | 6.04 | 0.64 | 3.08 | 0.96 | 0.39 | 0.08 | 0.30 | 2.67 | 12.66 | 135.15 | 14.52 | 44.76 | 216.13 |
| 2008 | 92.06 | 112.47 | 140.03 | 95.91 | 43.37 | 148.02 | 74.68 | 16.70 | 88.81 | 1.45 | 29.16 | 2.34 | 0.57 | 0.56 | 6.47 | 2.14 | 6.72 | 7.19 | 45.81 | 38.18 | 91.66 | 104.91 | 81.88 | 108.00 |
| 2009 | 178.85 | 97.40 | 158.82 | 105.96 | 99.89 | 38.68 | 48.40 | 41.91 | 57.51 | 26.13 | 5.86 | 0.00 | 2.27 | 3.70 | 0.98 | 0.84 | 5.03 | 0.39 | 7.88 | 9.62 | 52.31 | 63.36 | 86.46 | 96.74 |
| 2010 | 148.59 | 174.59 | 105.41 | 63.28 | 79.91 | 65.71 | 42.91 | 66.00 | 88.45 | 114.27 | 32.03 | 36.87 | 69.02 | 48.63 | 5.82 | 29.94 | 70.52 | 191.88 | 79.47 | 134.38 | 87.90 | 159.26 | 157.13 | 139.84 |
| 2011 | 115.88 | 108.02 | 101.66 | 83.49 | 114.27 | 90.68 | 188.51 | 56.70 | 191.97 | 7.14 | 0.00 | 9.14 | 2.65 | 1.15 | 0.17 | 0.00 | 0.05 | 0.00 | 7.65 | 61.12 | 124.74 | 101.56 | 108.28 | 107.00 |
| 2012 | 172.80 | 163.77 | 85.29 | 152.19 | 222.64 | 82.73 | 19.34 | 51.65 | 96.14 | 14.89 | 4.86 | 9.99 | 1.10 | 3.23 | 0.47 | 0.00 | 0.00 | 3.33 | 12.34 | 21.52 | 54.66 | 71.24 | 115.15 | 180.19 |
| 2013 | 280.23 | 130.31 | 61.75 | 166.06 | 86.28 | 21.15 | 123.75 | 13.54 | 22.54 | 97.99 | 62.29 | 62.14 | 19.60 | 4.34 | 3.51 | 0.69 | 0.88 | 0.00 | 16.56 | 72.87 | 28.02 | 80.30 | 194.64 | 199.57 |
| 2014 | 159.15 | 129.85 | 43.10 | 47.18 | 123.98 | 49.91 | 44.31 | 77.23 | 5.79 | 45.79 | 5.05 | 14.26 | 29.24 | 0.90 | 0.03 | 0.00 | 0.00 | 0.46 | 0.20 | 0.85 | 44.92 | 135.75 | 190.00 | 209.68 |
| 2015 | 68.85 | 124.57 | 86.12 | 111.18 | 218.73 | 45.38 | 52.81 | 200.63 | 86.46 | 13.52 | 12.34 | 1.32 | 0.04 | 0.49 | 4.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 52.53 | 38.10 | 99.64 | 120.23 |
| 2016 | 17.39 | 213.68 | 271.18 | 117.92 | 151.73 | 78.62 | 177.36 | 51.81 | 54.82 | 62.21 | 30.00 | 126.97 | 66.41 | 22.06 | 6.43 | 1.22 | 0.00 | 138.51 | 64.25 | 130.66 | 46.32 | 197.76 | 172.09 | 107.83 |
| 2017 | 64.90 | 261.88 | 336.00 | 29.50 | 69.71 | 151.76 | 148.41 | 39.14 | 6.40 | 42.48 | 57.53 | 21.29 | 24.92 | 0.67 | 0.37 | 5.11 | 0.14 | 30.19 | 38.33 | 72.03 | 104.07 | 215.85 | 61.45 | 135.98 |
| 2018 | 109.54 | 256.81 | 119.24 | 178.50 | 126.94 | 63.59 | 53.74 | 35.42 | 3.28 | 6.90 | 0.30 | 32.82 | 0.55 | 9.91 | 0.00 | 0.29 | 2.36 | 0.82 | 7.72 | 28.41 | 115.56 | 86.57 | 115.73 | 93.33 |
| 2019 | 129.74 | 159.76 | 128.32 | 129.51 | 106.49 | 130.52 | 179.94 | 23.30 | 70.98 | 0.75 | 2.68 | 1.28 | 1.16 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 39.73 | 60.84 | 42.95 | 139.65 |
| 2020 | 146.13 | 37.61 | 151.42 | 120.23 | 183.21 | 110.10 | 57.83 | 26.36 | 17.54 | 136.30 | 1.62 | 0.00 | 2.01 | 0.00 | 2.98 | 0.00 | 14.87 | 31.90 | 63.08 | 68.81 | 4.57 | 102.59 | 246.57 | 99.23 |
| 2021 | 178.08 | 195.26 | 182.41 | 207.60 | 95.32 | 120.50 | 98.70 | 1.24 | 65.36 | 4.85 | 4.62 | 40.53 | 0.00 | 0.44 | 29.39 | 7.45 | 37.79 | 48.99 | 5.39 | 149.36 | 164.63 | 181.44 | 200.65 | 123.99 |
| 2022 | 127.98 | 115.11 | 112.92 | 83.56 | 157.59 | 120.76 | 29.26 | 124.04 | 39.65 | 111.98 | 83.78 | 0.68 | 3.36 | 0.34 | 10.24 | 4.26 | 53.00 | 8.75 | 136.03 | 135.59 | 88.87 | 132.35 | 58.26 | 173.92 |
| 2023 | 55.22 | 131.20 | 189.08 | 104.61 | 48.64 | 134.61 | 100.88 | 41.30 | 18.92 | 0.00 | 7.74 | 12.58 | 24.46 | 0.00 | 0.17 | 1.35 | 0.00 | 0.00 | 0.00 | 0.00 | 32.71 | 90.69 | 253.61 | 53.03 |
| 2024 | 103.29 | 82.55 | 146.38 | 80.27 | 226.12 | 33.77 | 104.50 | 88.44 | 0.05 | 0.00 | 11.42 | 0.14 | 20.24 | 0.38 | 0.00 | 0.00 | 13.40 | 14.72 | 14.17 | 48.19 | 82.95 | 133.05 | 245.51 | 176.51 |
| 2025 | 109.58 | 196.59 | 162.33 | 153.28 | 87.45 | 148.01 | 58.20 | 80.69 | 124.26 | 41.68 | 35.64 | 6.16 | 3.32 | 0.00 | 6.93 | 8.50 | 27.64 | 51.26 | – | – | – | – | – | – |
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 | 54.55 | 105.89 | 81.00 | 69.38 | 78.28 | 44.04 | 47.58 | 11.92 | 9.70 | 0.60 | 1.59 | 0.38 | 0.63 | 0.04 | 0.14 | 0.00 | 0.00 | 0.00 | 0.44 | 2.67 | 28.75 | 62.35 | 68.05 | 95.37 |
| R80mm/hari | 3.64 | 6.62 | 5.79 | 4.96 | 5.22 | 2.75 | 3.17 | 0.79 | 0.65 | 0.04 | 0.11 | 0.03 | 0.04 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.03 | 0.17 | 1.92 | 4.16 | 4.54 | 5.96 |
| Reff Padimm/hari | 2.55 | 4.63 | 4.05 | 3.47 | 3.65 | 1.93 | 2.22 | 0.56 | 0.45 | 0.03 | 0.07 | 0.02 | 0.03 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.02 | 0.12 | 1.34 | 2.91 | 3.18 | 4.17 |
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.