HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Wangurer Utara, Kec. Madidir, Kota Bitung, Prov. Sulawesi Utara
GPM01D_E12515_N0145
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.64
mm/hari
Reff Padi Rata-rata
2.55
mm/hari
Reff Padi Maksimum
4.89
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 | 44.24 | 19.40 | 17.72 | 12.14 | 5.97 | 58.12 | 104.35 | 71.72 | 174.19 | 146.60 | 235.49 | 195.24 | 147.04 | 130.37 | 89.43 | 55.66 | 57.65 | 94.96 | 173.25 | 111.07 | 140.52 | 144.16 | 83.01 | 223.47 |
| 1999 | 159.52 | 129.22 | 67.53 | 90.33 | 85.93 | 317.39 | 112.93 | 104.92 | 149.38 | 160.60 | 76.50 | 117.61 | 147.52 | 52.18 | 30.27 | 87.43 | 42.15 | 184.83 | 92.95 | 144.02 | 165.86 | 55.65 | 143.62 | 124.65 |
| 2000 | 169.88 | 333.59 | 217.85 | 128.96 | 225.89 | 122.10 | 161.80 | 203.33 | 64.35 | 104.19 | 166.72 | 231.19 | 54.68 | 24.87 | 146.83 | 46.68 | 54.75 | 95.70 | 146.84 | 123.00 | 99.03 | 271.18 | 38.45 | 202.90 |
| 2001 | 169.45 | 179.23 | 263.36 | 54.41 | 140.75 | 148.35 | 101.51 | 216.24 | 93.96 | 87.74 | 86.43 | 93.87 | 37.70 | 48.48 | 34.17 | 8.30 | 26.19 | 195.35 | 54.53 | 92.03 | 225.59 | 84.47 | 159.37 | 98.59 |
| 2002 | 338.44 | 189.38 | 59.17 | 106.18 | 72.47 | 100.37 | 102.63 | 125.68 | 188.26 | 13.65 | 156.33 | 104.48 | 9.42 | 29.50 | 20.63 | 15.27 | 6.23 | 18.75 | 18.24 | 31.61 | 38.57 | 132.81 | 25.57 | 131.51 |
| 2003 | 309.69 | 58.11 | 159.64 | 60.31 | 37.49 | 285.97 | 217.78 | 47.09 | 137.60 | 31.38 | 16.95 | 92.88 | 122.27 | 56.02 | 35.88 | 74.80 | 27.24 | 39.16 | 92.05 | 33.55 | 45.63 | 129.40 | 300.16 | 122.15 |
| 2004 | 201.62 | 126.16 | 97.72 | 60.14 | 185.87 | 34.10 | 111.01 | 74.47 | 233.33 | 33.20 | 82.13 | 32.03 | 50.82 | 107.32 | 25.64 | 10.91 | 28.06 | 23.33 | 31.95 | 28.90 | 135.02 | 139.63 | 92.91 | 55.78 |
| 2005 | 109.63 | 139.24 | 222.80 | 23.85 | 76.75 | 217.46 | 184.26 | 50.50 | 230.91 | 45.36 | 69.10 | 106.10 | 78.38 | 51.88 | 9.56 | 61.41 | 52.88 | 25.92 | 142.81 | 124.03 | 261.96 | 68.19 | 105.15 | 202.59 |
| 2006 | 122.60 | 148.89 | 297.13 | 193.78 | 41.46 | 94.45 | 33.87 | 99.77 | 93.69 | 162.78 | 129.38 | 142.88 | 11.74 | 11.95 | 23.50 | 12.60 | 46.83 | 56.25 | 8.72 | 13.27 | 27.50 | 106.40 | 97.52 | 116.34 |
| 2007 | 205.72 | 76.12 | 135.36 | 51.10 | 74.46 | 147.96 | 9.12 | 200.27 | 198.47 | 68.95 | 145.53 | 112.09 | 18.50 | 164.08 | 76.58 | 69.34 | 69.38 | 19.05 | 37.13 | 108.77 | 147.46 | 120.61 | 53.00 | 200.64 |
| 2008 | 59.18 | 197.78 | 69.87 | 118.15 | 117.32 | 166.31 | 99.25 | 267.54 | 97.00 | 49.39 | 211.12 | 36.47 | 237.62 | 119.98 | 121.35 | 73.48 | 85.63 | 82.33 | 68.91 | 161.22 | 81.37 | 217.88 | 89.64 | 132.98 |
| 2009 | 121.13 | 153.20 | 103.23 | 97.79 | 241.18 | 41.82 | 115.94 | 98.75 | 45.98 | 175.69 | 69.13 | 93.21 | 40.99 | 61.07 | 23.64 | 55.01 | 5.94 | 5.85 | 62.53 | 66.87 | 141.73 | 178.49 | 36.35 | 164.43 |
| 2010 | 169.67 | 74.26 | 79.16 | 39.28 | 14.19 | 102.95 | 158.73 | 124.62 | 172.98 | 143.10 | 192.08 | 156.91 | 127.99 | 218.23 | 148.27 | 102.13 | 172.81 | 102.34 | 117.89 | 111.19 | 125.13 | 111.29 | 157.93 | 219.51 |
| 2011 | 81.47 | 196.86 | 257.95 | 101.62 | 107.58 | 228.50 | 133.81 | 141.97 | 141.26 | 136.62 | 185.48 | 84.40 | 30.70 | 37.72 | 34.56 | 43.19 | 82.52 | 68.31 | 51.67 | 83.00 | 98.24 | 112.08 | 137.05 | 184.23 |
| 2012 | 107.91 | 87.96 | 80.34 | 119.86 | 265.81 | 121.22 | 190.33 | 144.27 | 161.48 | 42.56 | 108.73 | 51.57 | 143.32 | 102.11 | 46.50 | 47.13 | 30.46 | 32.56 | 15.69 | 129.43 | 254.72 | 44.01 | 115.79 | 161.57 |
| 2013 | 104.89 | 166.61 | 79.57 | 262.75 | 74.94 | 82.06 | 235.11 | 88.03 | 144.60 | 144.86 | 65.44 | 61.98 | 156.35 | 121.76 | 96.82 | 66.77 | 79.24 | 36.26 | 46.17 | 78.50 | 89.50 | 100.06 | 67.89 | 159.50 |
| 2014 | 224.38 | 194.10 | 116.20 | 43.49 | 38.12 | 95.51 | 92.34 | 52.71 | 176.95 | 75.77 | 113.69 | 82.18 | 27.62 | 68.27 | 119.73 | 103.99 | 36.59 | 12.91 | 4.89 | 29.67 | 152.88 | 128.25 | 130.11 | 170.07 |
| 2015 | 141.35 | 114.92 | 202.83 | 93.23 | 32.15 | 31.81 | 63.48 | 61.18 | 145.74 | 54.20 | 110.75 | 89.82 | 6.18 | 60.74 | 14.88 | 4.40 | 14.57 | 10.79 | 12.31 | 13.77 | 130.16 | 94.86 | 69.21 | 118.62 |
| 2016 | 79.51 | 92.06 | 36.24 | 65.75 | 26.00 | 23.66 | 121.02 | 80.07 | 196.77 | 124.22 | 85.48 | 258.56 | 41.85 | 220.64 | 74.91 | 14.79 | 162.82 | 86.07 | 99.81 | 99.55 | 124.53 | 92.88 | 204.66 | 186.77 |
| 2017 | 125.77 | 324.40 | 97.57 | 192.14 | 159.23 | 168.13 | 77.34 | 65.23 | 124.79 | 135.03 | 176.26 | 164.50 | 108.68 | 109.37 | 108.65 | 91.49 | 81.29 | 140.69 | 102.35 | 101.66 | 78.31 | 106.52 | 102.51 | 101.45 |
| 2018 | 134.82 | 77.83 | 204.98 | 75.15 | 153.71 | 128.13 | 95.33 | 263.82 | 70.89 | 133.07 | 95.03 | 146.69 | 127.52 | 18.94 | 26.05 | 26.84 | 53.82 | 32.50 | 72.11 | 118.50 | 148.89 | 203.01 | 167.72 | 156.21 |
| 2019 | 190.33 | 232.98 | 137.44 | 36.35 | 18.58 | 44.62 | 55.84 | 379.63 | 58.59 | 47.87 | 175.92 | 33.24 | 75.06 | 45.24 | 30.34 | 28.16 | 11.33 | 49.45 | 43.44 | 172.88 | 23.99 | 27.97 | 107.46 | 61.59 |
| 2020 | 161.10 | 15.06 | 172.54 | 46.84 | 139.25 | 224.97 | 37.12 | 242.53 | 30.68 | 177.43 | 171.83 | 69.46 | 162.94 | 161.72 | 84.14 | 22.43 | 181.94 | 112.40 | 99.65 | 91.95 | 56.36 | 94.89 | 114.30 | 226.26 |
| 2021 | 160.50 | 224.92 | 128.17 | 77.50 | 159.33 | 180.19 | 166.42 | 95.13 | 167.54 | 254.50 | 109.41 | 126.52 | 157.82 | 75.98 | 88.12 | 144.33 | 193.95 | 101.29 | 37.12 | 156.84 | 224.58 | 146.88 | 146.28 | 230.82 |
| 2022 | 145.69 | 92.97 | 108.13 | 225.33 | 97.88 | 230.60 | 124.17 | 166.84 | 119.61 | 156.96 | 52.68 | 97.25 | 144.35 | 111.00 | 71.78 | 203.78 | 164.61 | 60.24 | 170.29 | 146.10 | 99.81 | 235.03 | 103.75 | 92.36 |
| 2023 | 131.28 | 253.12 | 219.53 | 89.72 | 163.00 | 146.97 | 254.77 | 108.67 | 94.76 | 105.96 | 54.24 | 147.64 | 114.34 | 25.46 | 47.95 | 57.32 | 34.52 | 17.28 | 16.73 | 37.12 | 88.34 | 148.49 | 109.63 | 74.92 |
| 2024 | 244.57 | 274.74 | 83.11 | 18.01 | 161.89 | 162.31 | 193.95 | 217.64 | 109.76 | 220.91 | 129.46 | 155.11 | 111.90 | 37.22 | 111.92 | 151.99 | 29.62 | 41.93 | 113.14 | 110.16 | 86.41 | 158.05 | 167.88 | 115.68 |
| 2025 | 104.26 | 221.42 | 162.26 | 57.43 | 142.70 | 370.58 | 112.97 | 150.16 | 69.04 | 137.19 | 125.42 | 131.03 | 133.32 | 39.38 | 99.56 | 139.53 | 116.98 | 86.99 | – | – | – | – | – | – |
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 | 104.76 | 77.48 | 77.30 | 42.65 | 36.42 | 55.42 | 74.56 | 70.42 | 70.52 | 47.37 | 69.12 | 67.96 | 30.08 | 35.68 | 25.24 | 15.17 | 27.03 | 18.99 | 17.63 | 32.77 | 69.53 | 89.51 | 68.68 | 100.30 |
| R80mm/hari | 6.98 | 4.84 | 5.52 | 3.05 | 2.43 | 3.46 | 4.97 | 4.69 | 4.70 | 2.96 | 4.61 | 4.53 | 2.01 | 2.23 | 1.68 | 0.95 | 1.80 | 1.27 | 1.18 | 2.05 | 4.64 | 5.97 | 4.58 | 6.27 |
| Reff Padimm/hari | 4.89 | 3.39 | 3.86 | 2.13 | 1.70 | 2.42 | 3.48 | 3.29 | 3.29 | 2.07 | 3.23 | 3.17 | 1.40 | 1.56 | 1.18 | 0.66 | 1.26 | 0.89 | 0.82 | 1.43 | 3.24 | 4.18 | 3.20 | 4.39 |
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.