HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Ranan, Kec. Ropang, Sumbawa, Prov. Nusa Tenggara Barat
GPM01D_E11755_S0895
Panjang Data
28
tahun tersedia
R80 Rata-rata
1.78
mm/hari
Reff Padi Rata-rata
1.25
mm/hari
Reff Padi Maksimum
4.34
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 | 93.84 | 166.69 | 66.40 | 151.28 | 102.73 | 104.32 | 110.81 | 59.33 | 4.44 | 60.53 | 4.74 | 35.16 | 62.59 | 41.91 | 0.10 | 26.41 | 0.16 | 143.75 | 28.90 | 158.81 | 51.12 | 94.77 | 69.72 | 220.82 |
| 1999 | 154.26 | 252.77 | 148.05 | 189.67 | 86.37 | 147.76 | 198.50 | 59.81 | 57.60 | 1.33 | 0.95 | 60.03 | 5.32 | 6.86 | 33.82 | 3.03 | 1.42 | 1.95 | 78.07 | 78.81 | 161.68 | 87.44 | 175.77 | 81.61 |
| 2000 | 170.17 | 179.02 | 162.34 | 61.69 | 136.02 | 74.99 | 139.52 | 132.30 | 36.54 | 68.22 | 3.12 | 8.79 | 2.61 | 1.76 | 11.72 | 2.30 | 0.76 | 4.54 | 45.19 | 47.09 | 134.40 | 83.69 | 157.12 | 31.01 |
| 2001 | 72.18 | 101.49 | 100.42 | 14.56 | 82.01 | 133.87 | 57.17 | 12.06 | 0.87 | 21.47 | 67.70 | 2.95 | 3.54 | 6.06 | 8.66 | 0.90 | 2.66 | 2.54 | 45.40 | 154.81 | 25.51 | 157.83 | 88.48 | 59.27 |
| 2002 | 39.68 | 199.33 | 268.42 | 59.26 | 103.10 | 71.79 | 66.20 | 1.37 | 6.89 | 0.28 | 9.12 | 0.39 | 1.07 | 2.00 | 6.51 | 0.19 | 3.63 | 0.49 | 3.47 | 0.66 | 19.78 | 112.06 | 155.29 | 176.76 |
| 2003 | 146.79 | 109.06 | 126.20 | 184.20 | 158.11 | 31.03 | 67.46 | 1.27 | 18.10 | 0.54 | 2.64 | 6.42 | 3.97 | 11.09 | 0.75 | 0.91 | 3.01 | 0.74 | 14.26 | 4.84 | 52.08 | 139.48 | 70.74 | 202.57 |
| 2004 | 65.17 | 130.07 | 116.53 | 116.96 | 133.99 | 51.10 | 13.75 | 25.31 | 15.92 | 95.98 | 6.11 | 0.89 | 8.17 | 2.88 | 0.93 | 2.33 | 1.00 | 0.62 | 1.08 | 11.17 | 17.96 | 135.72 | 16.12 | 189.82 |
| 2005 | 11.10 | 83.78 | 159.13 | 76.25 | 102.56 | 52.83 | 150.26 | 3.32 | 5.53 | 0.97 | 6.72 | 21.18 | 21.44 | 8.44 | 5.01 | 10.22 | 3.35 | 2.64 | 35.43 | 82.32 | 1.22 | 168.26 | 119.49 | 164.17 |
| 2006 | 92.31 | 109.26 | 8.85 | 253.65 | 77.42 | 72.03 | 202.19 | 58.98 | 58.66 | 40.71 | 1.75 | 6.21 | 6.85 | 0.84 | 4.50 | 0.39 | 0.15 | 1.12 | 0.23 | 1.13 | 52.29 | 0.16 | 14.54 | 258.12 |
| 2007 | 22.92 | 31.39 | 39.66 | 156.19 | 220.44 | 120.25 | 178.34 | 50.21 | 8.57 | 35.14 | 8.28 | 12.87 | 2.19 | 2.46 | 3.15 | 9.06 | 1.71 | 0.57 | 14.54 | 10.62 | 168.89 | 4.17 | 40.29 | 230.43 |
| 2008 | 115.88 | 50.74 | 121.30 | 127.72 | 92.48 | 188.43 | 76.38 | 22.99 | 49.65 | 7.16 | 14.66 | 3.65 | 9.90 | 0.70 | 3.69 | 3.91 | 6.66 | 13.12 | 19.30 | 29.08 | 48.31 | 150.44 | 138.66 | 89.94 |
| 2009 | 113.30 | 110.93 | 110.59 | 111.55 | 90.59 | 68.04 | 75.15 | 8.58 | 50.36 | 48.95 | 5.29 | 0.92 | 3.69 | 7.52 | 3.75 | 5.12 | 12.36 | 15.80 | 6.65 | 39.11 | 14.39 | 114.90 | 18.22 | 95.98 |
| 2010 | 200.73 | 130.89 | 171.28 | 39.42 | 39.64 | 53.81 | 32.98 | 77.62 | 105.96 | 91.70 | 27.79 | 9.48 | 54.45 | 20.29 | 14.67 | 13.91 | 160.57 | 108.28 | 76.10 | 76.73 | 97.96 | 84.62 | 151.92 | 144.88 |
| 2011 | 124.07 | 73.30 | 133.80 | 75.23 | 186.05 | 61.72 | 174.57 | 117.99 | 186.87 | 7.40 | 0.00 | 3.85 | 8.83 | 5.09 | 2.63 | 1.68 | 2.19 | 0.06 | 4.27 | 62.51 | 126.93 | 103.26 | 48.75 | 107.44 |
| 2012 | 192.33 | 85.92 | 105.36 | 73.59 | 186.29 | 107.70 | 21.33 | 35.09 | 94.16 | 11.16 | 2.81 | 0.89 | 1.46 | 4.53 | 1.34 | 0.00 | 1.26 | 10.18 | 14.53 | 12.18 | 9.74 | 105.34 | 87.89 | 140.42 |
| 2013 | 190.76 | 89.62 | 37.39 | 155.62 | 101.70 | 24.56 | 105.33 | 4.42 | 9.10 | 119.49 | 59.30 | 34.46 | 11.32 | 4.58 | 6.85 | 0.44 | 3.59 | 3.04 | 28.56 | 1.38 | 8.97 | 92.78 | 92.66 | 240.36 |
| 2014 | 80.63 | 92.41 | 74.36 | 24.04 | 62.56 | 62.18 | 47.60 | 86.94 | 8.14 | 8.48 | 0.12 | 5.15 | 13.64 | 1.33 | 0.37 | 0.52 | 0.00 | 0.40 | 0.41 | 2.10 | 7.82 | 130.77 | 170.59 | 89.49 |
| 2015 | 52.61 | 174.40 | 89.95 | 101.45 | 155.48 | 23.64 | 37.33 | 197.09 | 53.06 | 4.14 | 2.16 | 3.54 | 1.72 | 0.41 | 0.73 | 0.00 | 0.00 | 2.42 | 0.00 | 0.00 | 82.44 | 11.42 | 136.94 | 92.31 |
| 2016 | 0.80 | 197.43 | 244.89 | 107.58 | 104.53 | 47.71 | 135.32 | 2.17 | 44.57 | 24.97 | 67.03 | 139.53 | 95.88 | 19.07 | 42.24 | 16.36 | 1.03 | 102.26 | 27.68 | 147.32 | 139.08 | 115.03 | 211.39 | 101.76 |
| 2017 | 67.63 | 301.94 | 272.77 | 27.29 | 46.07 | 155.48 | 146.19 | 66.44 | 24.85 | 45.24 | 34.11 | 47.77 | 31.20 | 2.27 | 0.44 | 20.61 | 0.14 | 0.39 | 54.93 | 15.77 | 196.78 | 252.45 | 28.50 | 180.71 |
| 2018 | 102.13 | 244.39 | 103.51 | 162.04 | 114.79 | 31.69 | 30.04 | 9.26 | 6.91 | 1.41 | 0.00 | 35.76 | 0.25 | 1.35 | 2.83 | 0.00 | 1.61 | 3.41 | 1.30 | 0.63 | 48.69 | 210.30 | 98.55 | 139.45 |
| 2019 | 74.12 | 159.52 | 221.95 | 17.15 | 76.82 | 117.51 | 114.84 | 7.05 | 18.05 | 0.09 | 4.73 | 0.06 | 0.98 | 0.14 | 0.28 | 0.16 | 0.28 | 0.30 | 0.00 | 0.00 | 8.60 | 4.60 | 79.82 | 138.19 |
| 2020 | 133.77 | 35.85 | 132.65 | 93.97 | 233.07 | 75.13 | 51.84 | 6.34 | 1.14 | 124.36 | 15.86 | 0.24 | 2.29 | 0.20 | 0.00 | 0.00 | 0.00 | 36.28 | 33.42 | 117.30 | 19.38 | 101.98 | 285.01 | 34.40 |
| 2021 | 153.14 | 234.33 | 176.46 | 195.36 | 134.33 | 89.60 | 107.05 | 1.21 | 8.32 | 3.07 | 0.00 | 97.78 | 3.56 | 1.96 | 4.89 | 0.57 | 42.02 | 12.13 | 8.25 | 191.37 | 119.78 | 197.43 | 215.07 | 114.81 |
| 2022 | 162.26 | 67.85 | 99.89 | 116.53 | 70.55 | 110.31 | 74.16 | 54.84 | 22.63 | 68.96 | 83.43 | 33.82 | 11.83 | 0.64 | 6.67 | 5.20 | 1.52 | 59.46 | 173.69 | 120.92 | 170.83 | 187.72 | 42.90 | 139.96 |
| 2023 | 34.72 | 191.60 | 135.00 | 145.89 | 46.66 | 84.42 | 157.30 | 36.96 | 19.37 | 0.00 | 17.21 | 0.85 | 17.83 | 0.00 | 0.60 | 0.00 | 0.20 | 0.00 | 4.00 | 0.87 | 17.23 | 141.73 | 119.68 | 70.28 |
| 2024 | 80.08 | 88.66 | 166.95 | 39.97 | 207.10 | 27.24 | 140.01 | 37.22 | 1.89 | 0.12 | 1.25 | 5.07 | 3.49 | 14.41 | 0.00 | 0.00 | 2.09 | 5.03 | 4.34 | 136.51 | 79.45 | 42.99 | 195.59 | 202.32 |
| 2025 | 100.24 | 258.22 | 125.30 | 132.47 | 37.11 | 115.62 | 64.46 | 54.94 | 156.24 | 29.67 | 45.16 | 10.64 | 0.87 | 3.31 | 0.10 | 0.92 | 52.22 | 45.56 | – | – | – | – | – | – |
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 | 50.02 | 81.68 | 86.83 | 39.86 | 68.95 | 44.51 | 45.54 | 4.20 | 6.62 | 0.88 | 1.19 | 0.89 | 1.67 | 0.69 | 0.35 | 0.00 | 0.16 | 0.47 | 1.21 | 1.02 | 12.53 | 67.41 | 41.85 | 86.34 |
| R80mm/hari | 3.33 | 5.10 | 6.20 | 2.85 | 4.60 | 2.78 | 3.04 | 0.28 | 0.44 | 0.06 | 0.08 | 0.06 | 0.11 | 0.04 | 0.02 | 0.00 | 0.01 | 0.03 | 0.08 | 0.06 | 0.84 | 4.49 | 2.79 | 5.40 |
| Reff Padimm/hari | 2.33 | 3.57 | 4.34 | 1.99 | 3.22 | 1.95 | 2.13 | 0.20 | 0.31 | 0.04 | 0.06 | 0.04 | 0.08 | 0.03 | 0.02 | 0.00 | 0.01 | 0.02 | 0.06 | 0.04 | 0.58 | 3.15 | 1.95 | 3.78 |
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.