HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Tanjung Siporkis, Kec. Galang, Deli Serdang, Prov. Sumatera Utara
GPM01D_E09885_N0345
Panjang Data
28
tahun tersedia
R80 Rata-rata
4.68
mm/hari
Reff Padi Rata-rata
3.28
mm/hari
Reff Padi Maksimum
6.73
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 | 59.05 | 72.42 | 25.32 | 10.69 | 56.50 | 35.11 | 34.32 | 29.80 | 58.45 | 102.82 | 130.07 | 71.99 | 40.54 | 198.79 | 248.27 | 240.45 | 102.75 | 131.89 | 198.32 | 233.57 | 215.57 | 134.61 | 191.71 | 246.41 |
| 1999 | 186.57 | 167.41 | 180.81 | 84.68 | 84.04 | 160.72 | 196.42 | 118.80 | 180.02 | 105.79 | 141.50 | 116.71 | 98.69 | 43.02 | 63.89 | 111.44 | 143.08 | 352.31 | 237.35 | 157.97 | 135.69 | 158.46 | 259.27 | 143.85 |
| 2000 | 165.54 | 88.63 | 32.40 | 145.22 | 106.96 | 213.03 | 124.20 | 112.56 | 59.33 | 92.74 | 74.30 | 104.63 | 35.88 | 109.91 | 188.06 | 49.77 | 242.57 | 362.54 | 112.33 | 317.42 | 105.28 | 136.25 | 35.62 | 246.66 |
| 2001 | 143.35 | 148.99 | 45.03 | 27.05 | 138.95 | 92.15 | 91.21 | 115.97 | 243.78 | 32.71 | 116.44 | 154.85 | 30.38 | 145.60 | 77.44 | 220.27 | 182.53 | 126.81 | 189.14 | 381.83 | 242.76 | 172.32 | 90.18 | 291.88 |
| 2002 | 104.32 | 102.03 | 5.74 | 97.72 | 4.25 | 126.28 | 98.71 | 78.50 | 170.16 | 61.11 | 63.39 | 61.36 | 40.42 | 138.95 | 111.02 | 79.25 | 185.26 | 187.28 | 144.98 | 198.96 | 111.13 | 139.32 | 47.13 | 132.88 |
| 2003 | 77.10 | 179.05 | 109.45 | 75.97 | 43.04 | 141.70 | 96.01 | 117.90 | 214.97 | 9.64 | 5.53 | 212.46 | 151.18 | 106.22 | 112.84 | 141.25 | 179.06 | 168.47 | 276.81 | 196.02 | 149.29 | 98.50 | 217.04 | 42.69 |
| 2004 | 102.24 | 70.45 | 38.15 | 130.45 | 133.31 | 88.70 | 64.26 | 101.38 | 75.42 | 98.57 | 106.92 | 93.48 | 84.68 | 152.23 | 45.39 | 106.61 | 256.26 | 210.54 | 161.48 | 268.01 | 147.25 | 46.79 | 95.27 | 95.26 |
| 2005 | 198.38 | 28.06 | 15.93 | 52.46 | 18.90 | 108.55 | 120.28 | 34.70 | 95.18 | 120.38 | 104.77 | 45.03 | 111.29 | 109.52 | 27.99 | 185.36 | 91.85 | 155.26 | 156.10 | 278.75 | 136.06 | 155.48 | 197.03 | 142.57 |
| 2006 | 150.14 | 18.76 | 108.88 | 97.29 | 10.27 | 126.05 | 95.91 | 181.16 | 169.82 | 123.56 | 117.36 | 181.96 | 106.97 | 71.70 | 83.91 | 159.23 | 142.64 | 199.55 | 121.51 | 258.71 | 113.75 | 145.75 | 144.58 | 178.28 |
| 2007 | 114.84 | 86.98 | 12.62 | 71.32 | 20.51 | 71.47 | 107.93 | 149.41 | 257.99 | 115.31 | 91.91 | 58.00 | 32.72 | 303.08 | 43.60 | 170.60 | 290.32 | 92.70 | 157.55 | 325.76 | 264.05 | 170.53 | 157.83 | 121.85 |
| 2008 | 48.48 | 88.55 | 37.84 | 24.25 | 146.07 | 156.65 | 64.52 | 145.40 | 95.87 | 158.15 | 78.78 | 63.23 | 144.41 | 143.49 | 122.48 | 185.81 | 247.27 | 142.70 | 199.75 | 251.44 | 81.79 | 217.65 | 138.37 | 134.54 |
| 2009 | 224.87 | 24.27 | 11.73 | 86.68 | 130.00 | 216.29 | 178.02 | 38.15 | 214.44 | 81.94 | 47.50 | 57.77 | 96.40 | 69.81 | 69.64 | 181.56 | 138.37 | 175.83 | 152.08 | 147.81 | 192.19 | 110.89 | 92.88 | 100.32 |
| 2010 | 156.46 | 61.23 | 33.04 | 28.40 | 47.48 | 101.57 | 82.02 | 46.06 | 52.42 | 108.65 | 133.54 | 112.33 | 89.71 | 127.14 | 107.27 | 115.70 | 96.17 | 135.21 | 155.33 | 158.17 | 232.17 | 161.39 | 183.44 | 101.22 |
| 2011 | 155.77 | 93.23 | 18.42 | 80.58 | 101.30 | 287.40 | 104.30 | 123.93 | 65.99 | 150.51 | 107.49 | 82.42 | 96.75 | 40.88 | 116.10 | 248.49 | 179.67 | 90.91 | 177.62 | 237.92 | 150.05 | 166.99 | 87.80 | 255.92 |
| 2012 | 68.70 | 80.02 | 33.93 | 80.74 | 149.51 | 72.10 | 137.98 | 124.11 | 193.59 | 220.37 | 42.83 | 52.11 | 141.22 | 65.63 | 26.13 | 153.24 | 99.63 | 148.99 | 97.30 | 178.15 | 185.57 | 97.00 | 170.32 | 97.02 |
| 2013 | 93.63 | 244.66 | 55.17 | 159.53 | 39.73 | 51.22 | 98.44 | 106.41 | 55.17 | 47.50 | 148.77 | 51.54 | 86.27 | 34.48 | 103.15 | 170.19 | 269.18 | 81.23 | 384.92 | 219.20 | 110.21 | 180.19 | 238.98 | 214.71 |
| 2014 | 124.88 | 4.96 | 7.31 | 48.96 | 36.24 | 54.43 | 67.58 | 35.75 | 98.83 | 103.45 | 74.33 | 38.34 | 36.91 | 54.38 | 93.87 | 175.62 | 123.04 | 176.85 | 162.32 | 233.55 | 127.33 | 178.60 | 130.02 | 192.84 |
| 2015 | 119.18 | 19.68 | 29.60 | 64.82 | 36.37 | 56.29 | 52.08 | 83.06 | 52.45 | 104.91 | 93.79 | 15.97 | 44.31 | 70.71 | 183.78 | 58.25 | 150.27 | 118.25 | 75.34 | 156.89 | 110.36 | 121.05 | 119.77 | 54.03 |
| 2016 | 105.23 | 90.57 | 249.30 | 36.02 | 34.68 | 50.66 | 24.51 | 41.48 | 82.76 | 93.75 | 51.28 | 117.55 | 44.63 | 184.64 | 64.10 | 156.65 | 187.93 | 286.63 | 216.02 | 251.66 | 120.68 | 85.12 | 129.36 | 92.58 |
| 2017 | 106.94 | 133.19 | 42.38 | 106.35 | 49.10 | 82.92 | 99.92 | 26.20 | 65.52 | 153.43 | 95.59 | 75.19 | 115.78 | 19.85 | 176.44 | 102.40 | 254.38 | 173.95 | 272.91 | 124.19 | 179.89 | 115.48 | 218.70 | 132.47 |
| 2018 | 217.37 | 56.48 | 1.52 | 82.57 | 72.49 | 61.20 | 34.57 | 146.45 | 96.52 | 98.85 | 20.00 | 138.72 | 88.86 | 74.93 | 73.26 | 128.64 | 134.12 | 130.65 | 271.03 | 146.48 | 154.92 | 93.72 | 90.10 | 92.60 |
| 2019 | 25.66 | 83.10 | 31.16 | 80.74 | 23.68 | 80.28 | 114.93 | 69.15 | 112.63 | 180.51 | 81.98 | 65.70 | 52.46 | 54.65 | 39.35 | 103.33 | 85.17 | 163.59 | 162.27 | 212.86 | 135.97 | 81.32 | 196.69 | 27.98 |
| 2020 | 16.91 | 147.87 | 46.32 | 54.59 | 42.56 | 59.04 | 97.50 | 130.67 | 124.70 | 133.18 | 132.08 | 117.21 | 106.50 | 110.87 | 47.39 | 74.68 | 287.43 | 98.75 | 157.68 | 149.49 | 147.99 | 194.47 | 136.73 | 186.74 |
| 2021 | 247.24 | 86.13 | 52.73 | 0.00 | 104.25 | 165.66 | 78.02 | 96.04 | 47.37 | 99.19 | 136.26 | 75.58 | 128.82 | 36.38 | 211.89 | 191.25 | 147.20 | 175.22 | 50.52 | 308.93 | 174.00 | 232.35 | 159.25 | 239.83 |
| 2022 | 103.98 | 85.93 | 122.13 | 248.86 | 159.94 | 39.63 | 67.58 | 59.61 | 162.68 | 66.85 | 166.53 | 229.17 | 56.98 | 139.58 | 128.31 | 107.97 | 84.38 | 183.00 | 154.35 | 324.46 | 257.20 | 185.68 | 401.43 | 78.32 |
| 2023 | 102.51 | 114.60 | 63.55 | 69.96 | 142.56 | 40.14 | 26.71 | 82.91 | 48.78 | 129.82 | 112.58 | 55.29 | 118.43 | 57.08 | 87.98 | 184.18 | 91.64 | 136.77 | 93.12 | 216.22 | 162.81 | 296.94 | 144.44 | 133.61 |
| 2024 | 90.79 | 144.66 | 20.84 | 114.12 | 62.90 | 50.25 | 46.63 | 105.36 | 35.80 | 156.21 | 107.23 | 207.50 | 40.05 | 55.55 | 180.79 | 180.59 | 155.54 | 160.89 | 241.28 | 92.58 | 87.72 | 219.28 | 88.32 | 83.34 |
| 2025 | 140.06 | 208.31 | 46.14 | 115.21 | 49.62 | 187.24 | 124.97 | 68.00 | 54.72 | 100.82 | 117.29 | 79.77 | 99.10 | 18.17 | 150.74 | 113.24 | 142.81 | 152.55 | – | – | – | – | – | – |
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 | 75.42 | 50.80 | 15.27 | 34.49 | 32.48 | 51.10 | 50.99 | 40.81 | 54.27 | 78.92 | 60.96 | 54.65 | 40.35 | 42.59 | 46.99 | 103.14 | 98.93 | 125.10 | 117.83 | 153.93 | 110.82 | 97.90 | 90.14 | 88.88 |
| R80mm/hari | 5.03 | 3.17 | 1.09 | 2.46 | 2.17 | 3.19 | 3.40 | 2.72 | 3.62 | 4.93 | 4.06 | 3.64 | 2.69 | 2.66 | 3.13 | 6.45 | 6.60 | 8.34 | 7.86 | 9.62 | 7.39 | 6.53 | 6.01 | 5.56 |
| Reff Padimm/hari | 3.52 | 2.22 | 0.76 | 1.72 | 1.52 | 2.24 | 2.38 | 1.90 | 2.53 | 3.45 | 2.84 | 2.55 | 1.88 | 1.86 | 2.19 | 4.51 | 4.62 | 5.84 | 5.50 | 6.73 | 5.17 | 4.57 | 4.21 | 3.89 |
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.