HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Buha, Kec. Tagulandang Selatan, Kepulauan Siau Tagulandang Biaro, Prov. Sulawesi Utara
GPM01D_E12545_N0235
Panjang Data
28
tahun tersedia
R80 Rata-rata
1.98
mm/hari
Reff Padi Rata-rata
1.39
mm/hari
Reff Padi Maksimum
2.90
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 | 29.88 | 25.00 | 7.99 | 8.53 | 7.63 | 24.02 | 16.25 | 48.41 | 111.48 | 71.37 | 169.81 | 145.62 | 105.61 | 124.85 | 123.78 | 133.99 | 32.01 | 169.81 | 168.66 | 60.50 | 459.50 | 291.25 | 106.83 | 177.27 |
| 1999 | 335.07 | 255.52 | 58.03 | 76.65 | 145.85 | 338.37 | 95.06 | 112.08 | 190.20 | 160.83 | 59.43 | 300.08 | 93.78 | 64.84 | 27.94 | 144.68 | 29.61 | 73.50 | 129.06 | 136.34 | 198.02 | 93.52 | 273.11 | 84.62 |
| 2000 | 97.71 | 406.04 | 89.96 | 200.38 | 89.53 | 79.20 | 318.47 | 129.26 | 37.60 | 82.19 | 158.06 | 208.22 | 86.73 | 34.59 | 60.74 | 11.67 | 11.96 | 92.00 | 314.11 | 260.29 | 39.97 | 181.84 | 17.24 | 170.14 |
| 2001 | 239.80 | 174.01 | 442.95 | 106.75 | 320.71 | 66.80 | 89.83 | 89.26 | 47.03 | 124.07 | 78.28 | 160.40 | 46.02 | 28.53 | 45.93 | 5.93 | 4.39 | 103.96 | 108.79 | 115.60 | 281.17 | 107.34 | 123.84 | 47.65 |
| 2002 | 246.23 | 45.56 | 8.64 | 27.73 | 48.88 | 77.79 | 51.67 | 62.01 | 113.87 | 1.28 | 77.07 | 87.80 | 2.12 | 2.92 | 5.23 | 9.55 | 8.69 | 18.73 | 5.99 | 21.55 | 37.18 | 111.60 | 38.81 | 48.30 |
| 2003 | 62.13 | 60.85 | 157.82 | 62.68 | 25.69 | 239.45 | 39.69 | 5.41 | 93.79 | 16.04 | 1.49 | 46.63 | 41.95 | 85.97 | 5.65 | 95.37 | 63.19 | 64.87 | 85.47 | 25.94 | 27.20 | 48.03 | 268.47 | 223.00 |
| 2004 | 99.91 | 44.89 | 160.26 | 17.22 | 69.57 | 26.33 | 12.20 | 40.19 | 118.15 | 50.84 | 78.65 | 9.32 | 41.36 | 48.93 | 24.41 | 4.58 | 29.20 | 1.14 | 25.74 | 16.14 | 31.51 | 62.84 | 38.40 | 61.28 |
| 2005 | 84.85 | 185.59 | 228.39 | 16.00 | 38.85 | 112.45 | 117.82 | 7.96 | 345.93 | 62.05 | 52.65 | 131.76 | 72.43 | 20.79 | 4.61 | 118.18 | 30.53 | 31.34 | 99.05 | 113.26 | 303.86 | 90.30 | 123.79 | 179.97 |
| 2006 | 132.53 | 105.70 | 230.22 | 104.94 | 100.37 | 98.24 | 40.85 | 196.86 | 13.32 | 159.22 | 103.02 | 149.41 | 10.90 | 4.95 | 19.41 | 2.19 | 8.03 | 21.86 | 12.07 | 6.20 | 11.02 | 68.57 | 12.84 | 55.84 |
| 2007 | 93.41 | 170.82 | 138.29 | 27.91 | 23.47 | 137.41 | 1.28 | 100.47 | 51.59 | 23.53 | 73.38 | 92.74 | 32.75 | 173.14 | 101.72 | 24.93 | 57.04 | 5.80 | 37.11 | 69.22 | 127.82 | 143.84 | 53.79 | 233.20 |
| 2008 | 37.06 | 241.90 | 208.18 | 122.95 | 63.23 | 151.58 | 55.77 | 290.32 | 80.61 | 53.12 | 154.37 | 80.53 | 178.88 | 160.10 | 94.10 | 77.89 | 67.19 | 145.20 | 60.46 | 258.01 | 38.78 | 193.88 | 57.14 | 275.61 |
| 2009 | 133.72 | 112.13 | 213.40 | 64.68 | 188.35 | 19.46 | 162.43 | 54.58 | 57.70 | 137.96 | 25.84 | 90.02 | 42.51 | 93.52 | 8.31 | 15.36 | 1.74 | 1.20 | 10.37 | 15.27 | 86.20 | 241.74 | 40.62 | 156.18 |
| 2010 | 226.25 | 93.63 | 36.77 | 30.30 | 6.20 | 66.88 | 189.64 | 65.81 | 185.70 | 93.21 | 205.38 | 175.13 | 188.00 | 336.71 | 263.47 | 113.68 | 151.17 | 123.27 | 71.69 | 157.08 | 135.24 | 138.19 | 185.67 | 179.29 |
| 2011 | 87.39 | 287.05 | 146.48 | 152.42 | 123.06 | 253.28 | 75.99 | 97.00 | 180.31 | 161.34 | 400.38 | 69.30 | 19.93 | 32.18 | 53.07 | 35.53 | 25.10 | 53.36 | 108.42 | 64.65 | 145.29 | 121.98 | 239.82 | 209.80 |
| 2012 | 86.22 | 657.60 | 38.53 | 99.30 | 268.86 | 79.95 | 61.60 | 96.98 | 143.44 | 41.31 | 61.09 | 13.83 | 91.73 | 133.26 | 8.40 | 51.01 | 27.35 | 9.29 | 18.60 | 148.27 | 163.56 | 54.65 | 23.38 | 184.68 |
| 2013 | 80.51 | 118.26 | 98.92 | 345.68 | 82.56 | 23.45 | 219.64 | 76.24 | 163.86 | 168.62 | 74.89 | 73.03 | 147.99 | 258.98 | 89.06 | 23.70 | 25.17 | 25.22 | 62.09 | 170.01 | 53.81 | 115.01 | 153.86 | 254.94 |
| 2014 | 156.26 | 70.53 | 126.72 | 63.22 | 42.48 | 91.76 | 18.13 | 17.14 | 140.93 | 89.69 | 108.09 | 36.45 | 5.08 | 3.44 | 15.59 | 112.57 | 17.16 | 4.56 | 2.55 | 30.53 | 73.91 | 66.70 | 149.80 | 133.39 |
| 2015 | 119.18 | 82.18 | 15.75 | 24.70 | 27.76 | 11.66 | 24.35 | 6.51 | 83.06 | 26.05 | 24.27 | 151.56 | 2.46 | 6.80 | 8.53 | 6.01 | 3.65 | 1.88 | 12.38 | 19.97 | 130.51 | 23.31 | 35.79 | 62.02 |
| 2016 | 7.52 | 67.51 | 16.10 | 95.06 | 23.78 | 13.93 | 39.92 | 15.42 | 257.20 | 28.73 | 48.95 | 181.22 | 8.51 | 125.43 | 32.27 | 3.00 | 156.00 | 74.65 | 82.92 | 214.99 | 61.46 | 52.85 | 183.68 | 183.88 |
| 2017 | 276.11 | 209.27 | 63.17 | 139.79 | 101.65 | 135.77 | 78.41 | 41.85 | 190.05 | 90.59 | 180.38 | 126.15 | 104.59 | 250.27 | 118.77 | 101.04 | 55.00 | 278.95 | 180.81 | 70.40 | 108.39 | 173.67 | 98.50 | 73.35 |
| 2018 | 151.37 | 91.88 | 73.49 | 25.24 | 72.21 | 107.41 | 29.53 | 200.56 | 12.71 | 54.66 | 140.18 | 52.17 | 81.06 | 51.65 | 17.31 | 20.78 | 4.84 | 10.34 | 69.07 | 67.73 | 31.80 | 43.92 | 63.78 | 162.47 |
| 2019 | 52.71 | 250.34 | 21.92 | 14.23 | 30.98 | 28.34 | 10.00 | 210.00 | 43.21 | 6.58 | 92.88 | 28.71 | 87.08 | 10.01 | 2.80 | 1.01 | 4.53 | 5.10 | 6.26 | 39.56 | 12.87 | 25.93 | 63.13 | 58.15 |
| 2020 | 45.74 | 23.75 | 49.03 | 21.72 | 49.47 | 309.06 | 8.29 | 74.96 | 22.18 | 164.91 | 208.44 | 149.21 | 145.63 | 117.02 | 100.91 | 3.61 | 123.52 | 59.65 | 122.33 | 141.77 | 91.83 | 99.83 | 175.54 | 202.51 |
| 2021 | 103.59 | 211.33 | 113.38 | 52.92 | 95.93 | 185.63 | 50.11 | 31.10 | 85.15 | 247.28 | 73.20 | 124.72 | 162.41 | 69.55 | 71.89 | 153.58 | 208.88 | 74.47 | 28.55 | 182.26 | 92.24 | 164.95 | 123.83 | 190.21 |
| 2022 | 341.57 | 137.67 | 232.29 | 301.35 | 49.28 | 165.47 | 68.49 | 81.56 | 166.41 | 135.45 | 50.64 | 94.11 | 225.94 | 123.91 | 120.07 | 103.24 | 40.02 | 62.71 | 88.09 | 79.25 | 120.05 | 144.61 | 120.24 | 84.49 |
| 2023 | 147.50 | 174.52 | 230.70 | 40.45 | 112.62 | 183.96 | 91.00 | 46.79 | 27.85 | 114.41 | 59.64 | 164.88 | 212.83 | 23.66 | 7.60 | 26.00 | 7.83 | 35.39 | 5.87 | 15.19 | 19.36 | 82.13 | 51.59 | 22.17 |
| 2024 | 238.51 | 273.55 | 51.44 | 8.16 | 14.75 | 31.74 | 66.08 | 241.54 | 57.22 | 31.72 | 55.75 | 189.44 | 158.55 | 24.54 | 42.54 | 169.06 | 27.20 | 76.13 | 22.00 | 39.49 | 27.38 | 93.93 | 201.62 | 194.58 |
| 2025 | 128.46 | 280.04 | 161.11 | 235.38 | 264.85 | 251.76 | 116.54 | 113.29 | 33.12 | 114.35 | 158.35 | 135.37 | 134.38 | 80.66 | 266.13 | 269.93 | 84.80 | 98.54 | – | – | – | – | – | – |
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 | 60.25 | 66.18 | 33.80 | 20.82 | 25.30 | 25.87 | 17.75 | 28.30 | 36.70 | 28.19 | 52.25 | 51.06 | 18.12 | 18.63 | 8.16 | 5.66 | 7.23 | 5.66 | 11.39 | 20.92 | 29.85 | 53.93 | 38.64 | 60.02 |
| R80mm/hari | 4.02 | 4.14 | 2.41 | 1.49 | 1.69 | 1.62 | 1.18 | 1.89 | 2.45 | 1.76 | 3.48 | 3.40 | 1.21 | 1.16 | 0.54 | 0.35 | 0.48 | 0.38 | 0.76 | 1.31 | 1.99 | 3.60 | 2.58 | 3.75 |
| Reff Padimm/hari | 2.81 | 2.90 | 1.69 | 1.04 | 1.18 | 1.13 | 0.83 | 1.32 | 1.71 | 1.23 | 2.44 | 2.38 | 0.85 | 0.82 | 0.38 | 0.25 | 0.34 | 0.26 | 0.53 | 0.92 | 1.39 | 2.52 | 1.80 | 2.63 |
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.