HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Seminar Salit, Kec. Brang Rea, Sumbawa Barat, Prov. Nusa Tenggara Barat
GPM01D_E11695_S0875
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.14
mm/hari
Reff Padi Rata-rata
1.50
mm/hari
Reff Padi Maksimum
4.36
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 | 67.04 | 111.98 | 87.73 | 104.53 | 127.19 | 62.04 | 145.92 | 68.79 | 12.25 | 16.94 | 5.09 | 55.47 | 95.82 | 56.54 | 0.00 | 11.33 | 0.07 | 79.99 | 21.04 | 236.81 | 50.33 | 76.56 | 43.46 | 199.67 |
| 1999 | 133.31 | 251.13 | 174.07 | 167.06 | 79.85 | 133.51 | 174.87 | 13.27 | 10.91 | 0.00 | 0.38 | 44.93 | 26.24 | 6.26 | 81.40 | 5.94 | 0.14 | 13.37 | 76.76 | 98.39 | 134.99 | 106.89 | 185.64 | 42.60 |
| 2000 | 164.91 | 166.64 | 142.22 | 56.00 | 103.09 | 113.04 | 128.11 | 85.57 | 23.12 | 79.36 | 6.46 | 7.25 | 0.00 | 0.00 | 17.86 | 4.26 | 1.69 | 13.35 | 83.99 | 45.98 | 133.11 | 119.12 | 143.78 | 4.76 |
| 2001 | 102.73 | 125.78 | 124.35 | 8.68 | 37.19 | 149.59 | 77.35 | 51.78 | 5.91 | 40.88 | 101.90 | 1.53 | 5.76 | 21.83 | 4.45 | 2.02 | 0.00 | 1.39 | 33.84 | 127.53 | 60.28 | 100.46 | 116.45 | 45.21 |
| 2002 | 31.22 | 214.22 | 248.40 | 82.44 | 121.48 | 114.53 | 77.38 | 11.60 | 11.49 | 0.76 | 7.77 | 0.52 | 0.00 | 0.00 | 11.08 | 0.00 | 0.00 | 0.02 | 2.16 | 25.07 | 57.60 | 178.27 | 122.76 | 229.65 |
| 2003 | 143.04 | 141.58 | 99.50 | 194.95 | 112.05 | 14.49 | 63.47 | 5.69 | 49.41 | 0.00 | 1.16 | 5.46 | 3.01 | 0.95 | 0.00 | 0.00 | 0.20 | 7.89 | 23.06 | 3.87 | 16.17 | 187.96 | 202.47 | 101.50 |
| 2004 | 55.04 | 128.51 | 91.29 | 154.66 | 133.30 | 46.70 | 7.42 | 13.74 | 14.50 | 79.22 | 1.33 | 2.35 | 0.05 | 0.72 | 2.97 | 1.97 | 0.79 | 6.33 | 1.63 | 33.41 | 33.95 | 174.94 | 59.91 | 192.34 |
| 2005 | 14.37 | 94.13 | 114.71 | 112.39 | 90.24 | 112.90 | 158.60 | 3.96 | 9.80 | 0.03 | 0.63 | 9.63 | 36.23 | 0.00 | 2.20 | 15.37 | 1.60 | 5.85 | 17.86 | 86.29 | 2.08 | 173.10 | 158.17 | 115.12 |
| 2006 | 108.78 | 122.66 | 25.56 | 175.09 | 90.29 | 104.55 | 85.56 | 78.34 | 64.60 | 50.94 | 0.33 | 10.48 | 2.75 | 0.14 | 3.17 | 0.28 | 0.20 | 0.00 | 0.00 | 0.00 | 28.83 | 42.62 | 122.73 | 169.88 |
| 2007 | 66.71 | 7.23 | 33.02 | 144.25 | 153.86 | 147.87 | 106.31 | 64.80 | 4.31 | 63.77 | 7.90 | 6.92 | 1.36 | 7.43 | 0.26 | 0.89 | 0.13 | 7.00 | 32.06 | 16.24 | 155.32 | 15.37 | 99.24 | 183.76 |
| 2008 | 104.55 | 88.15 | 99.77 | 129.16 | 74.99 | 146.53 | 105.15 | 22.00 | 72.52 | 3.36 | 23.16 | 0.51 | 1.67 | 0.48 | 2.29 | 0.87 | 8.11 | 9.73 | 88.51 | 52.04 | 76.52 | 157.41 | 97.83 | 96.62 |
| 2009 | 195.91 | 108.49 | 118.93 | 116.50 | 80.45 | 75.47 | 93.94 | 37.62 | 31.51 | 66.86 | 5.73 | 0.00 | 2.96 | 0.76 | 1.10 | 0.03 | 13.81 | 2.56 | 9.92 | 37.82 | 35.62 | 90.52 | 48.77 | 125.53 |
| 2010 | 200.98 | 125.16 | 93.36 | 51.79 | 59.50 | 66.29 | 50.97 | 57.73 | 95.35 | 79.74 | 33.79 | 9.45 | 70.45 | 27.20 | 1.27 | 39.76 | 146.63 | 134.92 | 76.59 | 168.86 | 108.40 | 128.83 | 173.14 | 106.52 |
| 2011 | 121.97 | 76.67 | 95.59 | 73.86 | 103.13 | 96.03 | 171.52 | 92.60 | 176.58 | 4.53 | 0.00 | 20.54 | 1.86 | 3.48 | 0.00 | 0.63 | 0.70 | 0.17 | 2.13 | 77.99 | 210.07 | 101.53 | 71.18 | 135.14 |
| 2012 | 152.03 | 171.86 | 54.46 | 175.92 | 164.66 | 116.81 | 37.85 | 26.73 | 124.44 | 2.29 | 0.51 | 4.35 | 4.09 | 3.07 | 0.39 | 1.02 | 0.00 | 5.74 | 19.43 | 29.89 | 18.04 | 132.32 | 104.43 | 158.22 |
| 2013 | 213.28 | 150.42 | 93.29 | 124.92 | 90.77 | 28.39 | 125.91 | 24.10 | 5.72 | 109.04 | 44.20 | 57.04 | 11.74 | 0.80 | 0.52 | 0.02 | 3.13 | 0.01 | 8.57 | 95.20 | 44.61 | 110.91 | 143.39 | 245.00 |
| 2014 | 196.65 | 80.82 | 44.26 | 44.53 | 88.70 | 77.20 | 41.30 | 119.74 | 6.36 | 61.69 | 0.26 | 11.94 | 39.03 | 3.14 | 0.22 | 0.00 | 1.18 | 3.74 | 0.05 | 1.86 | 114.70 | 143.78 | 149.07 | 197.10 |
| 2015 | 55.06 | 96.78 | 110.17 | 64.07 | 133.03 | 127.95 | 52.97 | 139.67 | 87.87 | 4.90 | 8.38 | 0.20 | 0.01 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 70.80 | 72.09 | 154.55 | 82.41 |
| 2016 | 16.59 | 205.91 | 211.30 | 148.20 | 169.52 | 87.90 | 189.17 | 25.62 | 61.47 | 32.98 | 44.79 | 97.23 | 65.49 | 20.42 | 7.26 | 74.89 | 4.75 | 161.38 | 86.95 | 178.01 | 107.66 | 207.19 | 172.86 | 77.43 |
| 2017 | 62.32 | 219.01 | 257.94 | 72.75 | 75.43 | 129.38 | 68.86 | 98.21 | 16.95 | 45.92 | 67.35 | 11.20 | 27.81 | 0.00 | 0.31 | 3.14 | 0.11 | 48.08 | 64.96 | 99.75 | 162.38 | 240.39 | 57.57 | 158.43 |
| 2018 | 192.02 | 214.21 | 108.96 | 143.01 | 110.50 | 66.85 | 23.05 | 45.17 | 5.63 | 2.93 | 1.85 | 32.13 | 0.43 | 0.48 | 0.00 | 0.00 | 6.53 | 9.65 | 0.00 | 19.53 | 122.57 | 140.53 | 92.46 | 89.46 |
| 2019 | 113.25 | 152.63 | 107.91 | 127.31 | 124.82 | 97.35 | 222.18 | 18.29 | 27.88 | 0.00 | 1.11 | 0.00 | 0.06 | 0.00 | 0.32 | 0.09 | 0.55 | 0.00 | 0.00 | 2.90 | 47.59 | 47.54 | 123.47 | 141.40 |
| 2020 | 135.06 | 51.82 | 121.18 | 97.48 | 190.77 | 114.03 | 96.98 | 21.62 | 4.53 | 111.11 | 1.04 | 0.14 | 0.64 | 0.00 | 16.44 | 0.00 | 2.22 | 25.09 | 28.52 | 146.70 | 21.65 | 168.28 | 227.68 | 65.79 |
| 2021 | 173.37 | 205.08 | 161.86 | 198.57 | 123.70 | 85.15 | 89.83 | 0.33 | 63.42 | 13.80 | 0.78 | 128.16 | 10.54 | 0.81 | 3.66 | 1.13 | 66.91 | 9.89 | 5.76 | 180.24 | 198.85 | 150.94 | 182.26 | 140.00 |
| 2022 | 134.36 | 69.49 | 84.79 | 85.60 | 77.38 | 104.31 | 53.75 | 75.82 | 14.76 | 93.47 | 73.04 | 2.14 | 14.96 | 0.00 | 22.06 | 0.00 | 56.60 | 6.63 | 163.45 | 122.58 | 155.07 | 165.78 | 83.61 | 139.72 |
| 2023 | 21.08 | 152.26 | 154.98 | 119.24 | 71.39 | 166.93 | 130.43 | 39.17 | 42.82 | 0.00 | 11.88 | 19.63 | 4.65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.29 | 53.82 | 115.95 | 184.23 | 50.75 |
| 2024 | 105.84 | 61.14 | 127.55 | 61.94 | 200.95 | 18.06 | 77.53 | 96.63 | 0.00 | 7.14 | 5.88 | 5.78 | 11.28 | 10.92 | 0.00 | 0.00 | 0.76 | 13.73 | 31.48 | 59.22 | 102.33 | 146.39 | 243.76 | 198.07 |
| 2025 | 120.62 | 159.39 | 149.32 | 149.14 | 62.74 | 135.88 | 120.03 | 16.02 | 120.98 | 23.51 | 45.44 | 3.72 | 2.07 | 0.00 | 0.00 | 5.02 | 37.52 | 59.05 | – | – | – | – | – | – |
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 | 55.05 | 79.99 | 87.14 | 63.64 | 75.34 | 65.44 | 52.57 | 13.64 | 5.87 | 0.61 | 0.60 | 0.51 | 0.36 | 0.00 | 0.00 | 0.00 | 0.05 | 0.01 | 0.03 | 4.72 | 31.90 | 84.93 | 78.64 | 72.77 |
| R80mm/hari | 3.67 | 5.00 | 6.22 | 4.55 | 5.02 | 4.09 | 3.50 | 0.91 | 0.39 | 0.04 | 0.04 | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 2.13 | 5.66 | 5.24 | 4.55 |
| Reff Padimm/hari | 2.57 | 3.50 | 4.36 | 3.18 | 3.52 | 2.86 | 2.45 | 0.64 | 0.27 | 0.03 | 0.03 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 1.49 | 3.96 | 3.67 | 3.18 |
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.