HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Lamuntet, Kec. Brang Rea, Sumbawa Barat, Prov. Nusa Tenggara Barat
GPM01D_E11695_S0865
Panjang Data
28
tahun tersedia
R80 Rata-rata
2.20
mm/hari
Reff Padi Rata-rata
1.54
mm/hari
Reff Padi Maksimum
3.84
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 | 61.82 | 126.27 | 76.57 | 125.37 | 125.22 | 56.56 | 161.23 | 73.81 | 20.99 | 23.40 | 6.47 | 50.38 | 115.32 | 52.96 | 0.17 | 18.72 | 2.86 | 111.57 | 61.05 | 206.77 | 51.02 | 72.18 | 37.06 | 191.52 |
| 1999 | 130.36 | 253.46 | 180.63 | 141.26 | 83.60 | 132.66 | 174.31 | 7.09 | 12.83 | 0.00 | 0.09 | 36.52 | 7.99 | 3.11 | 52.72 | 6.85 | 0.14 | 22.77 | 66.33 | 98.59 | 145.77 | 92.14 | 163.59 | 58.67 |
| 2000 | 115.68 | 220.71 | 124.04 | 67.78 | 122.49 | 87.46 | 94.95 | 108.92 | 9.96 | 93.74 | 4.35 | 9.27 | 0.25 | 0.00 | 17.99 | 4.88 | 0.42 | 14.56 | 92.58 | 36.21 | 120.69 | 121.61 | 123.70 | 6.62 |
| 2001 | 105.43 | 121.02 | 127.49 | 7.31 | 33.00 | 148.54 | 94.60 | 36.77 | 10.16 | 30.84 | 117.71 | 0.79 | 6.92 | 26.24 | 8.86 | 1.08 | 0.14 | 5.28 | 23.17 | 121.87 | 52.67 | 100.66 | 119.89 | 48.10 |
| 2002 | 30.74 | 203.73 | 254.90 | 72.50 | 97.56 | 154.47 | 69.96 | 16.18 | 15.09 | 1.68 | 6.68 | 0.46 | 0.00 | 0.97 | 3.48 | 0.14 | 0.00 | 0.05 | 2.50 | 21.37 | 45.69 | 174.74 | 156.69 | 184.49 |
| 2003 | 151.85 | 135.84 | 98.51 | 199.88 | 123.00 | 7.78 | 63.89 | 5.46 | 79.68 | 0.00 | 0.00 | 8.13 | 1.48 | 3.15 | 0.00 | 0.00 | 1.77 | 5.33 | 8.75 | 14.06 | 21.73 | 172.75 | 174.56 | 103.34 |
| 2004 | 70.20 | 106.05 | 123.86 | 126.46 | 119.54 | 41.89 | 17.97 | 12.61 | 15.50 | 79.77 | 3.50 | 1.01 | 2.60 | 0.27 | 0.49 | 2.89 | 0.27 | 6.20 | 1.57 | 31.41 | 38.20 | 161.26 | 81.88 | 177.73 |
| 2005 | 13.86 | 91.47 | 164.58 | 56.98 | 70.22 | 124.33 | 155.10 | 10.59 | 8.31 | 0.00 | 4.28 | 26.34 | 33.84 | 0.00 | 0.89 | 43.56 | 0.64 | 11.06 | 25.15 | 104.38 | 23.74 | 164.30 | 139.82 | 124.63 |
| 2006 | 118.67 | 127.13 | 18.96 | 204.42 | 91.39 | 111.97 | 68.55 | 98.75 | 34.43 | 73.71 | 3.04 | 8.73 | 1.07 | 0.54 | 6.64 | 0.00 | 0.17 | 0.00 | 0.03 | 0.00 | 40.10 | 24.73 | 85.73 | 184.43 |
| 2007 | 68.95 | 11.11 | 47.55 | 146.23 | 170.76 | 143.27 | 134.07 | 43.72 | 9.38 | 69.65 | 8.07 | 7.01 | 2.41 | 10.56 | 2.20 | 2.49 | 0.11 | 0.57 | 12.89 | 18.91 | 156.08 | 18.81 | 93.24 | 186.10 |
| 2008 | 110.53 | 87.00 | 116.44 | 114.23 | 65.11 | 139.98 | 82.32 | 35.22 | 78.33 | 0.80 | 30.76 | 1.15 | 0.75 | 0.61 | 4.74 | 0.36 | 7.55 | 4.79 | 51.50 | 57.62 | 74.87 | 123.22 | 80.53 | 123.05 |
| 2009 | 196.10 | 88.05 | 141.79 | 110.53 | 82.65 | 57.74 | 81.59 | 31.82 | 26.45 | 70.54 | 8.66 | 0.00 | 3.93 | 0.73 | 1.27 | 0.03 | 5.59 | 21.17 | 11.05 | 18.82 | 76.75 | 67.18 | 72.11 | 103.10 |
| 2010 | 183.81 | 132.55 | 98.47 | 49.55 | 71.90 | 60.48 | 41.48 | 62.58 | 96.06 | 93.53 | 32.52 | 6.61 | 62.81 | 37.29 | 4.11 | 35.04 | 101.95 | 172.53 | 88.16 | 138.40 | 119.96 | 140.37 | 184.96 | 107.25 |
| 2011 | 111.62 | 100.52 | 106.11 | 66.15 | 117.06 | 82.89 | 192.75 | 87.47 | 181.24 | 9.67 | 0.00 | 10.33 | 5.84 | 1.05 | 0.02 | 1.67 | 1.19 | 0.15 | 3.46 | 81.17 | 157.38 | 105.57 | 83.77 | 120.80 |
| 2012 | 145.96 | 183.98 | 63.56 | 171.76 | 190.26 | 90.85 | 28.95 | 34.56 | 114.67 | 12.04 | 1.08 | 9.22 | 1.29 | 2.81 | 0.88 | 0.18 | 0.00 | 1.90 | 23.09 | 34.04 | 55.94 | 94.96 | 95.29 | 185.56 |
| 2013 | 224.58 | 155.66 | 71.17 | 139.67 | 80.12 | 17.71 | 109.69 | 13.06 | 6.99 | 104.06 | 42.82 | 58.29 | 17.50 | 3.36 | 1.62 | 0.32 | 0.20 | 0.00 | 7.80 | 80.60 | 29.66 | 86.63 | 174.90 | 213.04 |
| 2014 | 211.36 | 88.55 | 38.53 | 58.60 | 111.43 | 60.10 | 64.76 | 107.74 | 6.23 | 88.66 | 2.26 | 10.53 | 31.10 | 3.70 | 0.19 | 0.38 | 0.02 | 1.72 | 1.86 | 1.69 | 40.47 | 146.37 | 162.04 | 187.84 |
| 2015 | 63.94 | 112.40 | 90.86 | 90.46 | 165.00 | 99.72 | 56.73 | 169.73 | 85.38 | 0.71 | 9.25 | 0.60 | 0.00 | 0.31 | 0.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 79.43 | 81.38 | 125.67 | 96.00 |
| 2016 | 15.43 | 220.95 | 239.93 | 126.13 | 159.06 | 63.84 | 172.67 | 34.84 | 68.08 | 36.49 | 59.32 | 103.64 | 66.38 | 7.79 | 2.88 | 21.52 | 0.31 | 146.62 | 73.75 | 187.18 | 57.66 | 203.54 | 193.41 | 71.86 |
| 2017 | 46.13 | 233.83 | 282.90 | 63.01 | 76.23 | 145.22 | 95.32 | 75.44 | 29.82 | 41.66 | 49.68 | 21.45 | 19.35 | 0.00 | 0.37 | 3.72 | 0.19 | 53.13 | 67.44 | 90.02 | 127.35 | 254.97 | 76.94 | 140.54 |
| 2018 | 147.58 | 230.29 | 117.05 | 148.10 | 105.04 | 78.87 | 39.09 | 42.38 | 4.37 | 3.12 | 0.78 | 33.24 | 0.23 | 2.45 | 0.00 | 0.29 | 4.92 | 3.91 | 3.93 | 35.66 | 127.79 | 127.51 | 103.95 | 103.34 |
| 2019 | 131.19 | 152.54 | 129.99 | 96.61 | 116.88 | 116.81 | 212.58 | 15.61 | 39.47 | 0.20 | 0.78 | 0.09 | 0.11 | 0.00 | 0.26 | 0.17 | 0.00 | 0.00 | 0.00 | 15.67 | 60.45 | 72.09 | 82.00 | 142.09 |
| 2020 | 140.05 | 33.31 | 133.61 | 98.81 | 186.47 | 114.52 | 63.94 | 36.37 | 13.22 | 105.81 | 1.67 | 0.00 | 1.60 | 1.07 | 30.99 | 1.38 | 7.68 | 26.37 | 43.47 | 118.84 | 16.82 | 142.28 | 223.53 | 83.18 |
| 2021 | 157.13 | 211.68 | 194.63 | 185.50 | 98.37 | 109.72 | 98.08 | 0.15 | 64.83 | 13.25 | 21.28 | 60.26 | 2.96 | 0.47 | 12.38 | 12.72 | 81.66 | 19.22 | 2.60 | 215.02 | 191.99 | 155.31 | 203.79 | 121.71 |
| 2022 | 122.49 | 85.12 | 96.46 | 84.87 | 115.02 | 125.66 | 55.17 | 101.07 | 29.88 | 96.02 | 79.94 | 1.23 | 9.27 | 0.05 | 19.54 | 1.86 | 59.82 | 10.82 | 187.20 | 133.37 | 160.20 | 130.44 | 67.79 | 152.46 |
| 2023 | 44.03 | 141.10 | 166.33 | 109.72 | 42.93 | 168.96 | 100.40 | 70.37 | 35.10 | 0.00 | 8.68 | 28.74 | 12.30 | 0.00 | 0.00 | 0.00 | 0.55 | 0.00 | 0.83 | 0.00 | 42.03 | 97.90 | 236.33 | 52.53 |
| 2024 | 98.92 | 63.71 | 127.46 | 70.93 | 209.80 | 26.27 | 91.93 | 82.39 | 0.00 | 0.46 | 19.34 | 0.38 | 16.93 | 2.62 | 0.00 | 0.00 | 7.11 | 17.16 | 27.27 | 69.11 | 112.73 | 136.27 | 239.69 | 197.25 |
| 2025 | 114.42 | 177.86 | 143.40 | 154.78 | 90.93 | 129.25 | 109.84 | 31.42 | 133.23 | 21.89 | 39.11 | 6.19 | 3.36 | 0.00 | 0.00 | 12.26 | 36.92 | 48.43 | – | – | – | – | – | – |
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 | 58.68 | 87.84 | 75.49 | 65.52 | 75.36 | 57.50 | 56.41 | 12.97 | 9.17 | 0.40 | 1.02 | 0.57 | 0.65 | 0.00 | 0.01 | 0.02 | 0.09 | 0.04 | 1.74 | 15.02 | 39.34 | 77.70 | 81.34 | 78.65 |
| R80mm/hari | 3.91 | 5.49 | 5.39 | 4.68 | 5.02 | 3.59 | 3.76 | 0.86 | 0.61 | 0.03 | 0.07 | 0.04 | 0.04 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.12 | 0.94 | 2.62 | 5.18 | 5.42 | 4.92 |
| Reff Padimm/hari | 2.74 | 3.84 | 3.77 | 3.28 | 3.52 | 2.52 | 2.63 | 0.61 | 0.43 | 0.02 | 0.05 | 0.03 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.66 | 1.84 | 3.63 | 3.80 | 3.44 |
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.