HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Batuputih Bawah, Kec. Ranowulu, Kota Bitung, Prov. Sulawesi Utara
GPM01D_E12515_N0155
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.84
mm/hari
Reff Padi Rata-rata
2.69
mm/hari
Reff Padi Maksimum
5.21
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 | 60.04 | 25.22 | 24.58 | 18.10 | 6.47 | 67.56 | 116.92 | 79.39 | 197.90 | 184.99 | 217.18 | 257.34 | 141.60 | 122.39 | 95.61 | 59.24 | 41.10 | 109.43 | 237.83 | 101.58 | 198.96 | 153.84 | 99.27 | 272.00 |
| 1999 | 192.95 | 136.41 | 77.11 | 117.31 | 92.24 | 384.37 | 127.65 | 137.01 | 135.16 | 175.23 | 72.67 | 151.38 | 129.53 | 57.26 | 30.53 | 96.77 | 52.49 | 189.09 | 100.48 | 151.37 | 168.60 | 65.70 | 189.34 | 131.56 |
| 2000 | 195.04 | 355.41 | 216.27 | 168.04 | 239.20 | 153.72 | 199.98 | 207.09 | 69.43 | 130.67 | 186.76 | 231.92 | 71.76 | 27.71 | 149.08 | 43.82 | 60.92 | 113.18 | 157.79 | 143.35 | 142.13 | 260.38 | 51.39 | 229.49 |
| 2001 | 161.49 | 226.81 | 297.07 | 86.43 | 192.38 | 148.43 | 109.61 | 234.81 | 94.93 | 102.04 | 102.63 | 102.60 | 44.95 | 45.47 | 35.90 | 10.55 | 41.69 | 198.79 | 63.19 | 121.05 | 240.43 | 111.34 | 165.26 | 126.87 |
| 2002 | 423.47 | 176.00 | 61.25 | 144.18 | 80.54 | 146.99 | 124.53 | 165.38 | 206.35 | 19.26 | 143.35 | 132.38 | 10.42 | 37.66 | 19.67 | 17.00 | 17.22 | 23.40 | 19.58 | 37.64 | 45.86 | 156.52 | 53.04 | 136.44 |
| 2003 | 324.27 | 61.73 | 166.11 | 80.14 | 38.94 | 343.18 | 236.00 | 49.71 | 153.52 | 29.88 | 25.21 | 87.52 | 128.77 | 67.27 | 39.72 | 92.19 | 46.57 | 46.03 | 86.46 | 55.50 | 62.37 | 168.01 | 322.67 | 170.75 |
| 2004 | 310.13 | 140.03 | 134.23 | 55.54 | 233.87 | 41.07 | 126.05 | 102.08 | 211.68 | 61.67 | 96.22 | 40.98 | 50.41 | 110.25 | 25.22 | 17.11 | 40.91 | 26.76 | 34.51 | 32.77 | 156.26 | 169.18 | 94.65 | 67.17 |
| 2005 | 111.42 | 178.26 | 263.91 | 24.21 | 61.55 | 257.42 | 197.83 | 62.45 | 232.26 | 81.04 | 75.81 | 114.61 | 88.06 | 56.26 | 20.19 | 52.06 | 58.27 | 31.92 | 161.55 | 140.35 | 295.45 | 79.06 | 136.11 | 200.84 |
| 2006 | 121.57 | 175.50 | 320.35 | 226.63 | 45.83 | 97.73 | 44.19 | 107.54 | 101.22 | 175.40 | 130.30 | 153.08 | 15.44 | 13.47 | 29.58 | 14.11 | 39.18 | 61.77 | 13.56 | 10.16 | 31.86 | 102.64 | 89.94 | 142.70 |
| 2007 | 247.26 | 85.39 | 183.69 | 53.46 | 76.52 | 164.65 | 17.11 | 213.70 | 209.70 | 87.95 | 123.66 | 155.74 | 24.81 | 144.09 | 89.47 | 72.23 | 70.65 | 27.57 | 43.94 | 106.28 | 188.76 | 121.37 | 66.06 | 190.67 |
| 2008 | 79.08 | 226.49 | 84.45 | 113.90 | 117.07 | 187.79 | 134.09 | 239.08 | 91.05 | 50.84 | 197.08 | 42.14 | 245.68 | 147.97 | 114.60 | 79.63 | 80.01 | 89.32 | 75.32 | 173.06 | 81.24 | 240.39 | 65.20 | 184.33 |
| 2009 | 171.68 | 160.93 | 136.48 | 88.56 | 237.68 | 48.93 | 116.12 | 100.69 | 55.00 | 171.20 | 78.85 | 76.62 | 38.21 | 53.00 | 25.00 | 54.74 | 4.71 | 6.88 | 65.36 | 76.16 | 193.10 | 184.88 | 41.99 | 165.59 |
| 2010 | 182.70 | 85.77 | 76.42 | 46.52 | 17.68 | 115.30 | 166.30 | 135.68 | 167.47 | 183.10 | 188.19 | 164.85 | 119.70 | 249.16 | 152.37 | 106.42 | 147.75 | 106.43 | 117.48 | 146.39 | 137.17 | 123.50 | 159.05 | 248.45 |
| 2011 | 75.37 | 229.78 | 259.13 | 129.52 | 109.24 | 268.61 | 153.66 | 143.96 | 160.80 | 123.15 | 192.81 | 68.83 | 22.29 | 29.23 | 30.14 | 53.36 | 73.10 | 73.54 | 61.04 | 95.89 | 121.74 | 112.62 | 175.10 | 182.44 |
| 2012 | 111.63 | 97.44 | 68.52 | 145.51 | 269.89 | 114.35 | 151.76 | 187.68 | 192.75 | 44.18 | 121.79 | 38.34 | 123.24 | 98.02 | 31.67 | 55.95 | 31.07 | 36.83 | 22.39 | 138.27 | 233.12 | 63.00 | 110.02 | 182.34 |
| 2013 | 114.80 | 174.83 | 90.81 | 264.44 | 83.11 | 78.82 | 290.83 | 80.05 | 154.49 | 137.56 | 69.20 | 73.29 | 152.15 | 125.31 | 105.72 | 61.42 | 62.90 | 42.46 | 44.89 | 86.83 | 98.08 | 116.90 | 99.08 | 164.86 |
| 2014 | 259.91 | 195.93 | 172.74 | 38.74 | 44.42 | 114.22 | 108.18 | 41.22 | 201.79 | 92.44 | 101.47 | 94.11 | 24.39 | 51.63 | 88.49 | 108.48 | 29.55 | 9.61 | 3.81 | 30.16 | 165.91 | 152.97 | 143.02 | 168.27 |
| 2015 | 156.76 | 132.48 | 211.47 | 98.90 | 37.86 | 30.79 | 53.14 | 39.94 | 109.38 | 52.72 | 99.01 | 100.24 | 3.65 | 43.42 | 6.70 | 1.43 | 5.33 | 1.29 | 5.13 | 14.61 | 128.65 | 95.15 | 75.79 | 123.80 |
| 2016 | 64.95 | 96.22 | 37.49 | 60.74 | 16.27 | 21.84 | 137.97 | 68.63 | 192.23 | 110.47 | 69.55 | 255.93 | 51.79 | 199.90 | 68.43 | 7.52 | 147.14 | 78.37 | 98.66 | 105.47 | 137.20 | 97.60 | 212.15 | 205.73 |
| 2017 | 153.45 | 315.77 | 84.38 | 206.79 | 143.75 | 199.02 | 89.16 | 81.79 | 131.20 | 127.74 | 186.67 | 160.66 | 120.43 | 108.03 | 95.59 | 95.95 | 82.65 | 127.29 | 95.76 | 117.48 | 80.90 | 109.81 | 113.35 | 109.13 |
| 2018 | 142.03 | 90.79 | 224.03 | 73.23 | 117.82 | 160.34 | 93.07 | 255.39 | 53.22 | 141.45 | 100.20 | 136.93 | 110.22 | 19.06 | 26.51 | 20.39 | 44.39 | 25.92 | 67.83 | 122.80 | 158.85 | 185.72 | 186.36 | 165.49 |
| 2019 | 204.90 | 257.10 | 138.28 | 38.88 | 21.54 | 47.80 | 30.81 | 383.38 | 45.59 | 43.38 | 179.01 | 25.85 | 71.78 | 31.83 | 15.13 | 23.28 | 5.40 | 25.40 | 35.23 | 153.17 | 23.26 | 28.17 | 113.47 | 57.75 |
| 2020 | 167.74 | 9.81 | 164.89 | 47.22 | 131.42 | 233.34 | 38.70 | 256.28 | 17.91 | 165.54 | 165.15 | 68.00 | 151.29 | 146.70 | 79.67 | 16.33 | 182.97 | 88.24 | 107.49 | 66.22 | 57.50 | 106.24 | 143.21 | 202.55 |
| 2021 | 151.92 | 244.02 | 144.74 | 84.02 | 150.96 | 209.43 | 160.22 | 86.17 | 144.74 | 254.92 | 108.00 | 117.41 | 170.80 | 69.12 | 72.40 | 148.63 | 204.26 | 90.44 | 30.95 | 161.03 | 252.12 | 132.58 | 150.51 | 272.56 |
| 2022 | 175.99 | 107.15 | 127.56 | 245.25 | 105.83 | 253.94 | 137.98 | 145.25 | 138.42 | 131.34 | 49.14 | 99.56 | 166.45 | 90.36 | 71.61 | 181.61 | 166.46 | 62.55 | 173.05 | 167.84 | 107.69 | 231.47 | 96.88 | 102.67 |
| 2023 | 136.29 | 257.50 | 245.72 | 90.17 | 155.71 | 159.47 | 255.46 | 96.31 | 68.23 | 108.51 | 45.20 | 144.14 | 94.29 | 25.97 | 36.51 | 37.93 | 32.53 | 11.85 | 10.55 | 24.12 | 65.85 | 151.22 | 99.94 | 78.17 |
| 2024 | 275.13 | 296.78 | 86.33 | 17.45 | 178.40 | 134.54 | 192.12 | 253.45 | 164.02 | 167.25 | 117.47 | 134.58 | 107.07 | 33.18 | 83.28 | 145.21 | 19.97 | 37.06 | 99.34 | 100.16 | 73.91 | 178.22 | 174.90 | 116.16 |
| 2025 | 112.64 | 236.84 | 208.13 | 66.88 | 162.42 | 394.50 | 127.31 | 167.43 | 57.01 | 158.73 | 104.18 | 117.74 | 122.47 | 36.46 | 83.61 | 139.27 | 96.78 | 101.34 | – | – | – | – | – | – |
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 | 111.58 | 89.79 | 76.97 | 44.99 | 38.72 | 63.83 | 81.96 | 77.24 | 65.98 | 52.34 | 72.05 | 68.66 | 24.72 | 31.31 | 25.17 | 16.87 | 27.63 | 25.00 | 21.26 | 35.69 | 64.46 | 96.62 | 71.90 | 113.34 |
| R80mm/hari | 7.44 | 5.61 | 5.50 | 3.21 | 2.58 | 3.99 | 5.46 | 5.15 | 4.40 | 3.27 | 4.80 | 4.58 | 1.65 | 1.96 | 1.68 | 1.05 | 1.84 | 1.67 | 1.42 | 2.23 | 4.30 | 6.44 | 4.79 | 7.08 |
| Reff Padimm/hari | 5.21 | 3.93 | 3.85 | 2.25 | 1.81 | 2.79 | 3.82 | 3.60 | 3.08 | 2.29 | 3.36 | 3.20 | 1.15 | 1.37 | 1.17 | 0.74 | 1.29 | 1.17 | 0.99 | 1.56 | 3.01 | 4.51 | 3.36 | 4.96 |
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.