HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Randurejo, Kec. Pulokulon, Grobogan, Prov. Jawa Tengah
GPM01D_E11105_S0725
Panjang Data
28
tahun tersedia
R80 Rata-rata
3.35
mm/hari
Reff Padi Rata-rata
2.34
mm/hari
Reff Padi Maksimum
5.83
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 | 105.78 | 94.32 | 149.59 | 313.26 | 138.13 | 225.92 | 204.58 | 118.51 | 47.60 | 5.33 | 96.93 | 62.05 | 71.07 | 76.49 | 14.22 | 17.85 | 1.46 | 80.26 | 81.21 | 162.48 | 133.49 | 105.57 | 44.22 | 234.08 |
| 1999 | 58.90 | 217.68 | 82.76 | 159.56 | 220.45 | 87.38 | 157.63 | 26.52 | 43.23 | 6.78 | 9.89 | 52.22 | 26.45 | 13.88 | 25.88 | 11.40 | 9.24 | 22.06 | 137.21 | 135.14 | 242.49 | 84.39 | 120.62 | 203.84 |
| 2000 | 170.60 | 192.63 | 117.45 | 69.58 | 91.50 | 176.24 | 206.39 | 92.92 | 41.84 | 156.05 | 17.35 | 19.57 | 10.58 | 32.40 | 0.42 | 38.76 | 15.38 | 59.82 | 107.52 | 104.89 | 310.21 | 153.58 | 99.28 | 60.89 |
| 2001 | 83.42 | 256.87 | 205.26 | 93.09 | 246.51 | 231.51 | 359.28 | 41.24 | 30.08 | 88.79 | 214.64 | 2.88 | 49.13 | 40.27 | 0.00 | 13.79 | 21.75 | 41.96 | 69.80 | 149.90 | 104.95 | 219.26 | 63.88 | 127.72 |
| 2002 | 55.37 | 367.66 | 170.13 | 196.03 | 121.53 | 214.68 | 186.54 | 28.63 | 65.57 | 7.28 | 8.72 | 0.00 | 0.04 | 25.41 | 9.20 | 0.00 | 2.85 | 2.52 | 0.55 | 56.90 | 110.84 | 164.30 | 163.88 | 137.65 |
| 2003 | 58.29 | 163.57 | 260.19 | 202.04 | 158.75 | 111.14 | 76.75 | 42.44 | 100.02 | 5.15 | 0.29 | 3.80 | 0.03 | 0.00 | 2.54 | 0.21 | 23.08 | 15.59 | 89.77 | 65.90 | 28.02 | 213.84 | 188.81 | 145.96 |
| 2004 | 83.53 | 255.81 | 214.23 | 182.29 | 177.23 | 81.21 | 71.25 | 76.66 | 22.93 | 100.90 | 31.45 | 7.79 | 27.10 | 42.18 | 0.70 | 0.01 | 18.22 | 18.43 | 0.74 | 53.31 | 94.24 | 241.58 | 97.26 | 217.21 |
| 2005 | 78.89 | 115.12 | 43.83 | 247.44 | 83.91 | 250.84 | 244.82 | 20.09 | 25.79 | 0.41 | 46.44 | 187.00 | 58.60 | 6.12 | 23.94 | 7.66 | 12.55 | 89.82 | 51.07 | 139.29 | 13.60 | 181.78 | 89.17 | 204.62 |
| 2006 | 204.02 | 319.18 | 120.40 | 227.55 | 58.13 | 191.29 | 97.15 | 113.01 | 89.54 | 93.58 | 7.72 | 0.61 | 0.85 | 3.63 | 0.59 | 0.00 | 1.37 | 0.30 | 0.82 | 28.63 | 92.50 | 35.91 | 104.95 | 163.67 |
| 2007 | 19.77 | 66.60 | 113.27 | 240.97 | 235.74 | 152.06 | 144.26 | 137.60 | 20.41 | 62.72 | 11.92 | 17.30 | 3.45 | 2.82 | 0.35 | 17.30 | 4.32 | 2.17 | 21.37 | 96.00 | 191.76 | 52.92 | 146.58 | 349.78 |
| 2008 | 125.01 | 164.11 | 135.57 | 292.27 | 320.20 | 145.22 | 88.56 | 54.02 | 79.94 | 0.00 | 15.92 | 0.00 | 0.00 | 0.24 | 15.38 | 26.85 | 8.47 | 3.83 | 121.35 | 79.60 | 371.65 | 124.72 | 195.52 | 120.77 |
| 2009 | 179.20 | 175.84 | 229.07 | 205.13 | 118.69 | 92.85 | 90.14 | 91.82 | 95.19 | 177.49 | 37.23 | 0.74 | 19.11 | 7.21 | 3.50 | 11.10 | 3.33 | 12.45 | 23.27 | 22.46 | 76.73 | 99.60 | 46.26 | 180.46 |
| 2010 | 333.06 | 191.41 | 119.11 | 327.32 | 281.60 | 211.02 | 132.49 | 176.27 | 149.67 | 172.89 | 126.90 | 43.15 | 58.85 | 90.78 | 36.43 | 148.19 | 146.50 | 119.20 | 88.89 | 201.77 | 103.86 | 144.42 | 221.58 | 194.97 |
| 2011 | 118.86 | 169.60 | 130.82 | 89.21 | 96.40 | 190.20 | 149.14 | 102.38 | 145.12 | 7.98 | 1.40 | 53.77 | 0.21 | 16.73 | 0.00 | 0.00 | 11.12 | 2.22 | 1.47 | 101.39 | 245.20 | 200.79 | 149.40 | 164.50 |
| 2012 | 200.95 | 142.66 | 135.30 | 96.55 | 135.75 | 104.23 | 99.43 | 71.13 | 70.29 | 0.65 | 51.56 | 40.00 | 0.78 | 0.39 | 0.00 | 0.08 | 2.83 | 6.34 | 95.97 | 83.13 | 82.56 | 195.06 | 162.43 | 201.70 |
| 2013 | 251.27 | 123.62 | 91.80 | 284.95 | 220.38 | 105.01 | 281.04 | 86.76 | 31.13 | 141.18 | 210.03 | 23.99 | 88.37 | 17.13 | 0.00 | 67.21 | 0.52 | 0.76 | 0.04 | 119.77 | 77.57 | 72.71 | 164.76 | 128.87 |
| 2014 | 206.02 | 163.27 | 99.16 | 152.08 | 201.27 | 119.94 | 136.86 | 73.36 | 47.91 | 57.72 | 9.01 | 68.07 | 45.37 | 13.56 | 8.07 | 0.61 | 0.23 | 0.00 | 1.48 | 32.86 | 121.88 | 124.69 | 107.92 | 181.59 |
| 2015 | 102.31 | 173.93 | 182.77 | 95.77 | 150.69 | 180.38 | 174.03 | 131.46 | 137.71 | 12.14 | 25.24 | 3.51 | 0.00 | 0.00 | 0.86 | 0.00 | 0.41 | 0.35 | 0.00 | 8.25 | 119.25 | 166.53 | 159.09 | 66.51 |
| 2016 | 80.67 | 153.73 | 241.82 | 136.49 | 131.05 | 108.35 | 193.67 | 25.04 | 81.99 | 91.85 | 32.18 | 67.29 | 31.71 | 86.13 | 31.56 | 105.00 | 45.89 | 243.34 | 109.21 | 105.65 | 161.62 | 123.37 | 118.66 | 97.98 |
| 2017 | 73.27 | 207.04 | 192.64 | 172.92 | 196.62 | 121.19 | 156.85 | 101.39 | 83.50 | 73.93 | 52.61 | 35.98 | 5.31 | 13.49 | 1.64 | 1.72 | 0.00 | 67.92 | 143.47 | 119.17 | 133.59 | 233.26 | 125.82 | 100.07 |
| 2018 | 139.87 | 119.23 | 192.06 | 324.24 | 209.10 | 125.56 | 31.61 | 58.28 | 3.92 | 32.82 | 0.00 | 42.03 | 0.00 | 0.00 | 8.50 | 4.91 | 0.54 | 5.94 | 35.44 | 21.85 | 111.19 | 121.95 | 219.32 | 67.94 |
| 2019 | 92.68 | 209.61 | 145.61 | 156.32 | 118.47 | 178.69 | 201.37 | 92.11 | 79.66 | 0.00 | 1.68 | 0.00 | 14.96 | 0.11 | 0.00 | 0.31 | 0.00 | 4.91 | 2.44 | 47.02 | 65.39 | 41.40 | 127.83 | 221.64 |
| 2020 | 203.47 | 61.91 | 177.82 | 216.97 | 271.30 | 123.98 | 212.98 | 46.58 | 82.57 | 106.62 | 19.70 | 4.42 | 35.40 | 0.78 | 69.03 | 0.84 | 11.89 | 60.71 | 42.30 | 141.56 | 71.69 | 150.91 | 275.20 | 135.59 |
| 2021 | 132.01 | 156.03 | 300.35 | 263.77 | 177.18 | 201.81 | 175.26 | 0.34 | 52.13 | 61.43 | 36.58 | 86.74 | 1.54 | 3.44 | 65.79 | 23.90 | 30.25 | 124.79 | 7.34 | 136.16 | 175.80 | 159.55 | 187.27 | 159.67 |
| 2022 | 129.16 | 157.28 | 159.65 | 91.94 | 172.05 | 114.20 | 112.06 | 141.33 | 73.51 | 115.75 | 89.60 | 68.76 | 77.22 | 25.03 | 71.30 | 4.94 | 45.78 | 44.39 | 188.72 | 129.27 | 145.81 | 177.04 | 53.83 | 231.43 |
| 2023 | 132.67 | 103.01 | 181.52 | 173.19 | 182.11 | 138.74 | 144.52 | 74.85 | 124.74 | 0.00 | 3.33 | 0.16 | 15.78 | 0.00 | 0.00 | 0.00 | 0.00 | 11.36 | 5.75 | 69.99 | 114.37 | 107.91 | 197.99 | 70.90 |
| 2024 | 141.24 | 117.29 | 178.76 | 140.15 | 294.34 | 104.16 | 196.07 | 174.90 | 4.97 | 35.72 | 87.24 | 3.95 | 23.48 | 11.19 | 57.44 | 1.37 | 15.93 | 103.80 | 54.32 | 41.29 | 125.28 | 144.68 | 199.31 | 106.84 |
| 2025 | 98.38 | 271.69 | 117.98 | 213.68 | 250.82 | 125.45 | 115.82 | 49.90 | 214.80 | 216.87 | 29.46 | 35.95 | 32.14 | 14.09 | 36.80 | 51.28 | 97.33 | 110.07 | – | – | – | – | – | – |
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 | 77.76 | 116.86 | 116.61 | 96.39 | 118.64 | 104.85 | 95.75 | 38.71 | 29.22 | 4.25 | 6.84 | 0.71 | 0.18 | 0.21 | 0.00 | 0.00 | 0.50 | 2.21 | 1.21 | 37.92 | 77.23 | 93.51 | 94.02 | 99.23 |
| R80mm/hari | 5.18 | 7.30 | 8.33 | 6.89 | 7.91 | 6.55 | 6.38 | 2.58 | 1.95 | 0.27 | 0.46 | 0.05 | 0.01 | 0.01 | 0.00 | 0.00 | 0.03 | 0.15 | 0.08 | 2.37 | 5.15 | 6.23 | 6.27 | 6.20 |
| Reff Padimm/hari | 3.63 | 5.11 | 5.83 | 4.82 | 5.54 | 4.59 | 4.47 | 1.81 | 1.36 | 0.19 | 0.32 | 0.03 | 0.01 | 0.01 | 0.00 | 0.00 | 0.02 | 0.10 | 0.06 | 1.66 | 3.60 | 4.36 | 4.39 | 4.34 |
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.