HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Rih Tengah, Kec. Kutabuluh, Karo, Prov. Sumatera Utara
GPM01D_E09815_N0325
Panjang Data
28
tahun tersedia
R80 Rata-rata
5.11
mm/hari
Reff Padi Rata-rata
3.57
mm/hari
Reff Padi Maksimum
5.71
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 | 147.03 | 74.00 | 83.08 | 48.08 | 74.08 | 59.83 | 70.94 | 48.50 | 130.75 | 47.72 | 114.32 | 77.80 | 69.55 | 226.44 | 257.70 | 244.58 | 118.55 | 80.94 | 164.05 | 194.54 | 183.48 | 132.00 | 129.87 | 306.56 |
| 1999 | 177.60 | 179.82 | 166.82 | 110.86 | 161.02 | 114.27 | 217.16 | 146.98 | 131.13 | 139.21 | 142.44 | 85.50 | 94.89 | 22.31 | 57.97 | 174.20 | 144.93 | 305.64 | 227.55 | 208.70 | 135.95 | 121.02 | 279.82 | 118.50 |
| 2000 | 132.95 | 64.77 | 60.60 | 125.02 | 76.60 | 300.68 | 76.31 | 152.62 | 87.14 | 70.25 | 85.03 | 81.13 | 29.49 | 108.93 | 188.39 | 54.80 | 240.41 | 272.82 | 123.78 | 151.66 | 46.70 | 175.27 | 65.76 | 177.44 |
| 2001 | 101.71 | 203.40 | 63.31 | 69.71 | 84.59 | 123.60 | 143.05 | 107.73 | 167.72 | 49.34 | 85.91 | 143.92 | 59.33 | 130.97 | 108.49 | 164.93 | 147.94 | 103.70 | 122.73 | 386.58 | 277.35 | 125.53 | 122.58 | 250.31 |
| 2002 | 58.07 | 186.75 | 27.88 | 134.72 | 35.27 | 161.16 | 125.92 | 144.25 | 161.04 | 91.52 | 72.74 | 38.05 | 39.45 | 119.03 | 67.82 | 77.69 | 185.13 | 164.89 | 179.46 | 240.85 | 122.97 | 114.75 | 111.07 | 105.22 |
| 2003 | 178.64 | 138.96 | 122.03 | 103.98 | 86.38 | 127.76 | 143.52 | 117.62 | 195.14 | 8.53 | 74.58 | 177.17 | 132.90 | 81.91 | 132.05 | 156.11 | 128.74 | 189.85 | 252.52 | 117.26 | 166.76 | 181.02 | 251.15 | 31.33 |
| 2004 | 102.21 | 70.33 | 63.56 | 118.00 | 156.48 | 121.97 | 74.33 | 186.57 | 118.56 | 77.46 | 105.53 | 92.82 | 129.15 | 97.91 | 60.74 | 79.69 | 203.47 | 265.21 | 209.47 | 194.70 | 192.03 | 92.00 | 118.42 | 82.61 |
| 2005 | 224.44 | 59.92 | 67.23 | 35.50 | 68.91 | 101.92 | 132.29 | 68.31 | 110.75 | 85.99 | 115.02 | 31.91 | 139.01 | 57.43 | 17.98 | 185.26 | 101.52 | 102.46 | 191.81 | 195.78 | 134.91 | 147.00 | 215.19 | 92.28 |
| 2006 | 183.62 | 25.22 | 192.79 | 83.49 | 23.30 | 145.65 | 84.52 | 223.55 | 176.34 | 105.59 | 94.32 | 195.74 | 64.47 | 75.78 | 50.11 | 128.84 | 178.93 | 122.69 | 170.75 | 161.95 | 142.87 | 135.91 | 153.69 | 189.15 |
| 2007 | 68.36 | 82.21 | 24.73 | 102.23 | 42.93 | 143.23 | 126.65 | 130.57 | 264.42 | 116.31 | 72.09 | 90.31 | 36.25 | 212.50 | 52.43 | 136.70 | 143.99 | 136.68 | 171.82 | 305.37 | 178.82 | 185.20 | 185.50 | 123.75 |
| 2008 | 111.87 | 55.43 | 53.96 | 72.28 | 134.18 | 151.18 | 71.88 | 200.47 | 72.19 | 130.68 | 54.63 | 89.27 | 146.59 | 72.45 | 42.08 | 241.25 | 179.86 | 158.26 | 141.65 | 218.06 | 88.41 | 209.43 | 188.30 | 111.94 |
| 2009 | 152.72 | 79.86 | 47.15 | 57.60 | 199.32 | 160.93 | 111.91 | 140.63 | 169.96 | 96.35 | 41.59 | 91.83 | 64.84 | 50.36 | 65.15 | 120.91 | 150.41 | 138.18 | 65.77 | 254.94 | 146.51 | 134.15 | 138.28 | 113.47 |
| 2010 | 114.26 | 107.15 | 52.78 | 55.52 | 109.19 | 96.17 | 78.11 | 111.86 | 92.21 | 104.63 | 92.01 | 81.25 | 76.46 | 131.84 | 134.16 | 124.77 | 89.38 | 162.09 | 146.66 | 166.48 | 226.00 | 181.04 | 181.71 | 171.43 |
| 2011 | 184.23 | 76.89 | 60.87 | 69.06 | 189.60 | 257.87 | 71.33 | 169.26 | 48.20 | 204.42 | 96.20 | 78.23 | 64.21 | 47.51 | 136.86 | 183.29 | 160.34 | 84.90 | 165.42 | 173.02 | 140.93 | 175.85 | 162.96 | 155.74 |
| 2012 | 75.59 | 68.77 | 103.33 | 74.10 | 125.72 | 111.99 | 208.02 | 157.61 | 133.53 | 247.89 | 34.77 | 46.88 | 195.95 | 71.43 | 53.23 | 164.58 | 114.74 | 77.62 | 105.18 | 124.63 | 114.70 | 187.91 | 138.33 | 148.44 |
| 2013 | 100.26 | 286.32 | 102.24 | 125.42 | 66.33 | 110.47 | 98.82 | 142.58 | 96.91 | 63.32 | 155.14 | 51.59 | 47.52 | 57.30 | 51.28 | 150.70 | 218.70 | 44.85 | 298.88 | 200.49 | 105.20 | 119.89 | 107.35 | 249.02 |
| 2014 | 103.48 | 11.71 | 16.18 | 97.84 | 21.02 | 91.93 | 126.98 | 85.31 | 93.61 | 122.68 | 103.99 | 35.92 | 36.17 | 55.66 | 134.88 | 157.60 | 158.94 | 108.81 | 147.30 | 178.33 | 143.59 | 134.31 | 150.96 | 177.91 |
| 2015 | 160.38 | 12.10 | 21.49 | 130.56 | 62.71 | 92.04 | 100.20 | 97.08 | 99.05 | 88.62 | 122.83 | 14.88 | 31.84 | 78.86 | 167.86 | 32.05 | 178.62 | 114.07 | 171.72 | 186.27 | 100.04 | 168.22 | 166.24 | 80.62 |
| 2016 | 69.56 | 101.85 | 148.22 | 49.03 | 71.51 | 118.03 | 91.46 | 88.60 | 60.21 | 138.54 | 128.92 | 55.98 | 49.54 | 109.26 | 68.53 | 124.04 | 223.83 | 104.75 | 99.82 | 271.58 | 153.54 | 99.34 | 89.49 | 158.89 |
| 2017 | 106.96 | 150.58 | 33.75 | 148.46 | 94.64 | 107.87 | 109.02 | 78.14 | 109.99 | 88.15 | 22.98 | 116.04 | 75.03 | 21.06 | 151.70 | 102.97 | 226.12 | 145.93 | 217.69 | 124.43 | 182.11 | 116.50 | 180.01 | 200.89 |
| 2018 | 123.95 | 72.74 | 15.31 | 110.68 | 144.35 | 65.48 | 106.44 | 89.27 | 79.54 | 129.56 | 22.08 | 100.65 | 49.11 | 112.79 | 20.82 | 125.10 | 157.04 | 86.71 | 271.59 | 128.33 | 205.53 | 97.03 | 182.08 | 92.11 |
| 2019 | 73.55 | 90.67 | 23.68 | 112.81 | 30.59 | 173.17 | 96.57 | 82.01 | 144.21 | 200.33 | 98.84 | 72.44 | 31.74 | 58.30 | 40.48 | 127.28 | 101.49 | 77.45 | 156.60 | 267.82 | 112.21 | 80.24 | 174.43 | 102.26 |
| 2020 | 17.08 | 191.89 | 80.89 | 40.51 | 60.18 | 124.97 | 115.79 | 207.60 | 74.27 | 137.42 | 180.01 | 79.73 | 121.78 | 98.09 | 67.35 | 81.86 | 180.90 | 87.06 | 122.02 | 110.27 | 155.68 | 155.01 | 249.03 | 97.42 |
| 2021 | 248.46 | 65.26 | 78.87 | 5.76 | 83.31 | 185.39 | 90.40 | 161.06 | 125.95 | 77.97 | 74.71 | 126.38 | 165.09 | 37.54 | 162.42 | 208.72 | 111.05 | 167.02 | 33.09 | 321.53 | 228.26 | 149.07 | 146.21 | 135.18 |
| 2022 | 119.59 | 104.28 | 104.58 | 137.71 | 152.24 | 110.06 | 90.34 | 107.11 | 114.11 | 81.21 | 121.26 | 159.08 | 64.29 | 53.66 | 94.71 | 131.24 | 46.07 | 176.26 | 141.90 | 216.30 | 212.62 | 106.07 | 224.44 | 71.90 |
| 2023 | 109.42 | 160.87 | 101.91 | 34.06 | 144.72 | 135.39 | 87.05 | 76.06 | 116.26 | 125.94 | 53.30 | 111.26 | 87.80 | 35.00 | 106.88 | 235.33 | 118.26 | 84.99 | 128.22 | 128.34 | 182.36 | 222.02 | 185.76 | 145.29 |
| 2024 | 143.60 | 154.80 | 57.06 | 149.43 | 52.07 | 111.18 | 44.98 | 175.81 | 100.38 | 99.08 | 101.43 | 162.59 | 36.25 | 28.73 | 163.82 | 191.10 | 207.03 | 126.44 | 236.55 | 59.08 | 126.57 | 164.46 | 100.79 | 120.08 |
| 2025 | 115.99 | 178.65 | 36.46 | 128.15 | 77.66 | 130.02 | 139.91 | 103.22 | 72.76 | 134.62 | 85.30 | 44.88 | 105.43 | 35.41 | 163.24 | 49.11 | 120.47 | 114.63 | – | – | – | – | – | – |
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 | 75.18 | 63.80 | 27.25 | 48.84 | 50.24 | 100.77 | 75.91 | 84.65 | 78.49 | 76.02 | 54.36 | 46.48 | 36.25 | 37.11 | 51.05 | 81.42 | 114.00 | 84.97 | 122.44 | 126.85 | 113.70 | 111.27 | 115.48 | 92.21 |
| R80mm/hari | 5.01 | 3.99 | 1.95 | 3.49 | 3.35 | 6.30 | 5.06 | 5.64 | 5.23 | 4.75 | 3.62 | 3.10 | 2.42 | 2.32 | 3.40 | 5.09 | 7.60 | 5.66 | 8.16 | 7.93 | 7.58 | 7.42 | 7.70 | 5.76 |
| Reff Padimm/hari | 3.51 | 2.79 | 1.36 | 2.44 | 2.34 | 4.41 | 3.54 | 3.95 | 3.66 | 3.33 | 2.54 | 2.17 | 1.69 | 1.62 | 2.38 | 3.56 | 5.32 | 3.97 | 5.71 | 5.55 | 5.31 | 5.19 | 5.39 | 4.03 |
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.