HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Sionom Hudon Timur, Kec. Parlilitan, Humbang Hasundutan, Prov. Sumatera Utara
GPM01D_E09855_N0235
Panjang Data
28
tahun tersedia
R80 Rata-rata
4.56
mm/hari
Reff Padi Rata-rata
3.19
mm/hari
Reff Padi Maksimum
5.39
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 | 80.55 | 97.09 | 76.14 | 48.66 | 111.20 | 68.12 | 47.55 | 72.38 | 86.87 | 31.36 | 44.04 | 84.78 | 100.49 | 105.47 | 134.17 | 286.70 | 94.49 | 45.47 | 96.78 | 139.59 | 178.84 | 52.56 | 192.35 | 179.33 |
| 1999 | 142.17 | 82.31 | 124.89 | 78.99 | 158.19 | 83.68 | 149.16 | 64.51 | 70.73 | 90.56 | 54.50 | 88.61 | 73.47 | 55.03 | 51.84 | 132.07 | 140.30 | 247.13 | 217.80 | 175.78 | 81.08 | 158.45 | 229.62 | 46.98 |
| 2000 | 131.15 | 53.05 | 58.09 | 114.78 | 45.75 | 214.33 | 92.83 | 70.04 | 21.78 | 87.12 | 81.69 | 54.86 | 28.11 | 116.17 | 88.68 | 38.19 | 194.81 | 214.12 | 76.10 | 44.33 | 129.45 | 181.64 | 78.69 | 216.58 |
| 2001 | 138.73 | 90.98 | 90.59 | 106.13 | 79.13 | 48.28 | 146.55 | 118.63 | 65.03 | 27.92 | 62.54 | 88.28 | 27.14 | 80.87 | 38.35 | 82.62 | 121.21 | 170.31 | 43.62 | 152.00 | 138.29 | 67.39 | 91.81 | 162.08 |
| 2002 | 39.34 | 198.05 | 35.21 | 164.01 | 66.66 | 162.02 | 98.92 | 124.86 | 194.43 | 141.38 | 61.26 | 18.16 | 39.53 | 96.64 | 14.99 | 92.00 | 142.58 | 72.92 | 121.40 | 180.78 | 162.88 | 150.66 | 111.08 | 137.40 |
| 2003 | 189.49 | 158.76 | 71.91 | 110.76 | 115.27 | 177.53 | 162.04 | 148.95 | 80.56 | 6.70 | 71.27 | 140.21 | 75.93 | 39.89 | 183.51 | 123.38 | 59.03 | 127.82 | 195.44 | 58.83 | 147.11 | 168.36 | 154.07 | 40.81 |
| 2004 | 191.42 | 111.48 | 67.70 | 119.09 | 119.15 | 136.11 | 104.19 | 176.86 | 103.12 | 59.03 | 37.37 | 25.68 | 46.40 | 98.52 | 36.52 | 37.72 | 77.62 | 213.91 | 112.99 | 198.64 | 168.58 | 129.94 | 87.25 | 130.77 |
| 2005 | 123.72 | 80.76 | 47.76 | 87.42 | 70.11 | 145.17 | 85.08 | 109.17 | 72.06 | 26.36 | 55.44 | 34.70 | 77.65 | 81.67 | 26.48 | 289.68 | 54.40 | 99.43 | 240.12 | 206.96 | 119.51 | 136.20 | 186.87 | 52.16 |
| 2006 | 178.45 | 40.87 | 90.23 | 155.71 | 51.05 | 118.46 | 100.46 | 132.61 | 83.35 | 96.40 | 109.15 | 62.18 | 30.18 | 27.10 | 45.65 | 78.59 | 176.21 | 123.61 | 121.58 | 192.97 | 199.97 | 76.80 | 177.44 | 117.74 |
| 2007 | 152.58 | 137.07 | 53.15 | 121.42 | 63.43 | 126.27 | 167.95 | 109.77 | 107.97 | 145.88 | 95.06 | 52.43 | 23.56 | 243.59 | 44.01 | 97.07 | 180.02 | 45.79 | 206.59 | 242.75 | 157.97 | 85.69 | 161.32 | 113.69 |
| 2008 | 95.94 | 148.28 | 62.96 | 54.04 | 90.81 | 165.36 | 142.90 | 113.98 | 45.61 | 106.27 | 40.78 | 83.68 | 118.35 | 70.56 | 23.55 | 205.94 | 199.59 | 73.59 | 175.74 | 129.19 | 109.64 | 121.35 | 210.73 | 79.70 |
| 2009 | 96.92 | 141.42 | 34.97 | 103.84 | 217.12 | 126.44 | 133.72 | 76.90 | 78.67 | 24.23 | 34.76 | 85.53 | 51.13 | 28.16 | 50.33 | 170.34 | 94.61 | 88.49 | 41.95 | 207.53 | 146.88 | 81.66 | 113.44 | 141.94 |
| 2010 | 133.47 | 117.03 | 83.79 | 70.84 | 90.17 | 161.40 | 89.68 | 155.14 | 122.04 | 138.17 | 98.14 | 83.55 | 117.05 | 103.17 | 57.23 | 113.05 | 71.70 | 143.82 | 132.57 | 151.47 | 156.47 | 157.76 | 139.72 | 131.63 |
| 2011 | 96.25 | 81.95 | 75.02 | 78.34 | 124.71 | 162.59 | 134.16 | 176.28 | 26.34 | 139.76 | 73.49 | 26.38 | 63.07 | 13.09 | 76.27 | 162.10 | 94.65 | 97.35 | 121.32 | 161.93 | 249.61 | 135.37 | 198.49 | 167.89 |
| 2012 | 51.03 | 59.42 | 108.19 | 105.21 | 93.84 | 105.41 | 146.22 | 145.77 | 76.56 | 113.95 | 45.36 | 40.26 | 184.97 | 67.05 | 38.16 | 126.98 | 105.36 | 101.38 | 79.54 | 143.58 | 173.06 | 146.90 | 163.32 | 234.55 |
| 2013 | 33.46 | 206.24 | 97.60 | 147.01 | 148.90 | 71.86 | 94.13 | 155.53 | 65.43 | 58.13 | 73.71 | 72.14 | 27.70 | 20.09 | 46.57 | 127.86 | 120.61 | 30.09 | 121.83 | 260.83 | 200.73 | 84.81 | 114.77 | 165.15 |
| 2014 | 116.02 | 70.38 | 20.60 | 113.86 | 35.35 | 79.85 | 116.84 | 115.93 | 91.64 | 98.95 | 93.31 | 15.70 | 57.16 | 13.44 | 58.63 | 106.38 | 120.32 | 90.18 | 124.88 | 118.47 | 181.90 | 125.62 | 104.77 | 165.86 |
| 2015 | 130.33 | 145.88 | 74.49 | 93.36 | 67.74 | 137.21 | 133.26 | 153.33 | 73.19 | 82.97 | 87.66 | 3.96 | 28.46 | 30.77 | 86.20 | 79.31 | 78.32 | 123.68 | 118.65 | 73.12 | 119.65 | 118.27 | 243.00 | 98.48 |
| 2016 | 151.92 | 95.47 | 120.18 | 83.06 | 65.68 | 306.47 | 135.04 | 119.65 | 151.87 | 97.93 | 87.17 | 87.84 | 61.32 | 146.39 | 30.08 | 104.71 | 208.40 | 41.95 | 67.18 | 201.21 | 101.99 | 200.28 | 123.13 | 154.45 |
| 2017 | 138.69 | 195.29 | 23.63 | 147.71 | 78.84 | 120.62 | 80.90 | 140.18 | 89.33 | 54.14 | 11.08 | 68.78 | 88.91 | 12.50 | 98.83 | 64.68 | 189.90 | 174.01 | 163.93 | 86.93 | 196.76 | 196.61 | 199.35 | 199.78 |
| 2018 | 147.63 | 70.67 | 88.39 | 130.63 | 209.01 | 120.45 | 116.96 | 203.35 | 112.87 | 127.50 | 22.95 | 118.36 | 62.03 | 69.70 | 33.20 | 98.90 | 111.52 | 109.09 | 149.31 | 268.94 | 228.90 | 70.14 | 204.25 | 37.98 |
| 2019 | 133.43 | 105.93 | 87.57 | 111.65 | 52.12 | 204.72 | 97.38 | 50.53 | 89.93 | 151.94 | 136.65 | 30.22 | 15.31 | 31.80 | 38.28 | 103.47 | 42.70 | 26.36 | 143.35 | 207.92 | 57.20 | 129.49 | 174.91 | 133.12 |
| 2020 | 139.82 | 173.73 | 86.63 | 40.93 | 95.80 | 109.74 | 227.86 | 163.80 | 66.40 | 89.53 | 91.43 | 64.65 | 105.97 | 76.20 | 36.88 | 68.13 | 127.28 | 93.79 | 99.90 | 73.38 | 129.71 | 107.26 | 87.24 | 157.15 |
| 2021 | 147.28 | 63.68 | 16.68 | 45.23 | 134.09 | 178.40 | 87.91 | 182.67 | 93.11 | 51.64 | 104.68 | 93.24 | 125.82 | 21.31 | 93.64 | 173.50 | 88.98 | 132.93 | 30.82 | 171.34 | 141.72 | 117.06 | 213.52 | 141.09 |
| 2022 | 179.29 | 105.11 | 110.36 | 90.98 | 115.86 | 116.97 | 97.32 | 106.59 | 89.14 | 75.21 | 150.16 | 189.68 | 53.85 | 53.07 | 84.15 | 136.94 | 84.97 | 147.54 | 112.98 | 170.36 | 179.29 | 119.06 | 164.75 | 178.27 |
| 2023 | 89.03 | 157.62 | 77.36 | 60.86 | 163.95 | 146.41 | 112.26 | 104.01 | 122.29 | 95.36 | 32.13 | 73.83 | 117.77 | 59.90 | 75.15 | 149.40 | 90.59 | 95.35 | 80.36 | 145.08 | 135.80 | 253.30 | 229.85 | 117.69 |
| 2024 | 88.26 | 128.79 | 80.51 | 126.49 | 142.36 | 102.04 | 93.53 | 180.69 | 164.27 | 83.36 | 110.57 | 155.24 | 30.50 | 16.08 | 145.37 | 173.76 | 141.51 | 119.97 | 176.68 | 39.78 | 81.36 | 145.55 | 71.78 | 123.86 |
| 2025 | 86.25 | 170.07 | 73.57 | 121.86 | 110.98 | 116.60 | 144.60 | 140.77 | 76.95 | 54.86 | 53.32 | 29.37 | 66.95 | 18.18 | 76.86 | 41.38 | 117.57 | 75.36 | – | – | – | – | – | – |
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 | 87.86 | 70.61 | 45.25 | 68.84 | 65.23 | 98.36 | 92.20 | 98.59 | 66.21 | 47.58 | 40.10 | 28.77 | 28.39 | 19.71 | 35.86 | 76.50 | 78.18 | 67.49 | 78.16 | 81.51 | 115.56 | 83.55 | 99.59 | 90.97 |
| R80mm/hari | 5.86 | 4.41 | 3.23 | 4.92 | 4.35 | 6.15 | 6.15 | 6.57 | 4.41 | 2.97 | 2.67 | 1.92 | 1.89 | 1.23 | 2.39 | 4.78 | 5.21 | 4.50 | 5.21 | 5.09 | 7.70 | 5.57 | 6.64 | 5.69 |
| Reff Padimm/hari | 4.10 | 3.09 | 2.26 | 3.44 | 3.04 | 4.30 | 4.30 | 4.60 | 3.09 | 2.08 | 1.87 | 1.34 | 1.32 | 0.86 | 1.67 | 3.35 | 3.65 | 3.15 | 3.65 | 3.57 | 5.39 | 3.90 | 4.65 | 3.98 |
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.