HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Saliguma, Kec. Siberut Tengah, Kepulauan Mentawai, Prov. Sumatera Barat
GPM01D_E09905_S0145
Panjang Data
28
tahun tersedia
R80 Rata-rata
7.46
mm/hari
Reff Padi Rata-rata
5.22
mm/hari
Reff Padi Maksimum
8.54
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 | 234.49 | 126.26 | 123.04 | 79.20 | 112.52 | 130.96 | 244.76 | 168.97 | 235.23 | 49.40 | 191.41 | 116.92 | 115.35 | 355.81 | 357.25 | 331.04 | 190.64 | 271.03 | 124.17 | 355.61 | 285.37 | 178.08 | 263.56 | 400.36 |
| 1999 | 135.92 | 430.62 | 113.85 | 188.82 | 180.55 | 81.52 | 123.65 | 62.03 | 129.47 | 76.90 | 118.74 | 112.47 | 147.91 | 29.74 | 56.91 | 142.33 | 149.73 | 378.94 | 284.95 | 363.16 | 375.61 | 216.48 | 181.85 | 155.23 |
| 2000 | 243.21 | 69.44 | 46.46 | 38.92 | 20.59 | 100.62 | 141.67 | 188.07 | 16.44 | 205.75 | 125.81 | 153.46 | 131.85 | 219.84 | 272.20 | 83.78 | 133.62 | 373.63 | 151.71 | 281.90 | 174.15 | 414.63 | 172.23 | 343.62 |
| 2001 | 55.65 | 250.99 | 214.96 | 130.06 | 223.50 | 61.85 | 131.74 | 243.25 | 58.94 | 110.48 | 187.31 | 113.35 | 28.60 | 204.62 | 35.29 | 158.25 | 245.82 | 225.36 | 97.40 | 220.57 | 155.61 | 140.00 | 132.35 | 92.99 |
| 2002 | 51.73 | 255.05 | 124.54 | 253.25 | 77.60 | 245.50 | 122.49 | 225.44 | 190.52 | 174.76 | 171.33 | 43.63 | 155.98 | 99.12 | 83.65 | 118.72 | 233.27 | 237.77 | 251.11 | 248.53 | 343.97 | 255.31 | 99.73 | 243.05 |
| 2003 | 98.80 | 211.40 | 152.20 | 138.67 | 90.70 | 269.70 | 178.87 | 278.36 | 164.63 | 11.51 | 40.31 | 187.01 | 174.75 | 35.35 | 370.17 | 175.81 | 236.15 | 161.12 | 328.06 | 182.77 | 329.33 | 250.74 | 362.55 | 108.54 |
| 2004 | 145.79 | 263.04 | 66.85 | 171.28 | 186.75 | 64.97 | 279.37 | 217.16 | 73.74 | 147.52 | 72.67 | 59.72 | 168.87 | 126.88 | 64.12 | 119.80 | 154.93 | 245.40 | 130.74 | 315.63 | 278.32 | 196.74 | 76.64 | 262.29 |
| 2005 | 194.98 | 157.34 | 73.75 | 107.58 | 114.68 | 216.68 | 59.82 | 98.88 | 150.01 | 57.99 | 143.28 | 122.60 | 196.87 | 186.46 | 99.02 | 408.91 | 197.33 | 251.36 | 406.17 | 311.31 | 188.85 | 317.38 | 266.29 | 181.35 |
| 2006 | 255.25 | 161.72 | 102.41 | 294.23 | 120.76 | 479.02 | 115.14 | 207.49 | 41.16 | 48.57 | 87.30 | 177.33 | 122.22 | 119.26 | 86.81 | 154.72 | 59.34 | 123.05 | 19.10 | 61.01 | 154.87 | 144.69 | 216.50 | 316.62 |
| 2007 | 343.11 | 286.73 | 56.48 | 186.47 | 180.63 | 114.48 | 167.01 | 163.57 | 93.18 | 95.27 | 206.17 | 140.39 | 68.77 | 246.26 | 71.46 | 121.19 | 282.69 | 76.85 | 205.65 | 319.90 | 218.80 | 81.92 | 306.47 | 256.84 |
| 2008 | 63.14 | 178.73 | 149.66 | 194.40 | 206.90 | 229.03 | 94.85 | 292.27 | 100.49 | 385.09 | 142.48 | 328.20 | 311.73 | 159.79 | 65.32 | 290.77 | 266.52 | 212.83 | 162.73 | 339.49 | 248.78 | 158.18 | 346.80 | 250.66 |
| 2009 | 138.77 | 288.45 | 115.11 | 140.67 | 129.27 | 91.77 | 321.03 | 59.73 | 133.79 | 51.72 | 88.10 | 117.18 | 118.22 | 209.14 | 214.61 | 291.15 | 246.15 | 324.30 | 100.48 | 322.07 | 480.82 | 184.04 | 236.33 | 261.41 |
| 2010 | 172.35 | 246.76 | 192.56 | 272.14 | 351.58 | 336.38 | 199.38 | 193.41 | 275.78 | 73.85 | 262.63 | 109.92 | 259.24 | 209.69 | 200.92 | 249.69 | 188.82 | 295.43 | 288.26 | 237.40 | 330.18 | 385.96 | 148.94 | 134.59 |
| 2011 | 186.33 | 116.05 | 85.41 | 163.49 | 147.92 | 191.61 | 104.79 | 268.99 | 24.22 | 123.74 | 174.70 | 186.78 | 103.81 | 24.37 | 110.63 | 108.54 | 267.29 | 218.64 | 142.70 | 339.85 | 348.76 | 379.77 | 187.36 | 260.33 |
| 2012 | 128.90 | 72.19 | 103.58 | 307.55 | 246.25 | 159.99 | 86.22 | 100.25 | 85.15 | 216.63 | 199.30 | 44.96 | 211.29 | 161.33 | 101.52 | 202.53 | 100.09 | 266.90 | 179.65 | 208.69 | 406.01 | 370.46 | 190.70 | 396.13 |
| 2013 | 161.47 | 192.37 | 423.14 | 182.19 | 85.03 | 130.60 | 505.17 | 126.96 | 130.81 | 105.90 | 107.21 | 132.32 | 161.13 | 129.28 | 138.71 | 311.12 | 342.53 | 137.46 | 250.84 | 273.27 | 288.23 | 198.79 | 348.13 | 185.94 |
| 2014 | 234.96 | 78.62 | 86.88 | 107.31 | 163.03 | 199.55 | 209.86 | 167.68 | 175.14 | 174.14 | 189.84 | 80.06 | 177.14 | 75.42 | 213.68 | 155.46 | 225.68 | 321.73 | 258.54 | 297.79 | 279.62 | 419.03 | 121.60 | 333.89 |
| 2015 | 141.33 | 197.46 | 197.95 | 202.48 | 145.09 | 177.33 | 194.10 | 214.48 | 105.42 | 80.12 | 347.68 | 17.56 | 72.29 | 93.72 | 264.45 | 205.76 | 170.31 | 231.15 | 103.19 | 90.37 | 368.26 | 319.64 | 481.75 | 81.50 |
| 2016 | 214.47 | 186.34 | 299.28 | 170.99 | 359.00 | 342.33 | 263.29 | 136.64 | 291.60 | 203.99 | 255.97 | 247.57 | 73.33 | 245.20 | 179.57 | 318.53 | 200.26 | 346.82 | 304.99 | 348.52 | 217.54 | 321.50 | 240.65 | 252.05 |
| 2017 | 317.02 | 179.28 | 92.40 | 309.14 | 161.23 | 130.68 | 294.19 | 187.80 | 252.67 | 215.80 | 68.52 | 137.59 | 187.92 | 113.39 | 263.52 | 251.37 | 344.34 | 207.77 | 277.45 | 98.20 | 354.16 | 327.54 | 179.49 | 303.74 |
| 2018 | 133.57 | 81.60 | 111.37 | 270.86 | 251.21 | 263.85 | 182.56 | 253.42 | 159.88 | 329.81 | 46.91 | 166.09 | 165.98 | 134.04 | 143.91 | 219.13 | 173.34 | 181.63 | 369.78 | 282.85 | 417.18 | 157.59 | 353.77 | 52.82 |
| 2019 | 225.11 | 173.13 | 148.21 | 215.86 | 242.18 | 238.65 | 90.29 | 192.59 | 79.73 | 206.64 | 219.41 | 137.58 | 99.85 | 67.73 | 111.83 | 119.11 | 44.33 | 21.14 | 23.09 | 40.89 | 37.48 | 100.09 | 278.18 | 196.09 |
| 2020 | 192.74 | 292.99 | 176.66 | 107.53 | 166.16 | 234.44 | 168.94 | 276.50 | 277.49 | 142.12 | 75.48 | 181.71 | 242.93 | 390.94 | 78.06 | 196.45 | 255.28 | 189.01 | 242.66 | 205.12 | 286.98 | 381.38 | 200.81 | 181.29 |
| 2021 | 162.92 | 220.97 | 53.77 | 104.20 | 177.64 | 425.37 | 177.13 | 131.88 | 231.17 | 244.93 | 137.98 | 103.71 | 160.03 | 83.65 | 244.43 | 272.23 | 170.17 | 382.79 | 178.75 | 238.90 | 251.87 | 87.82 | 245.55 | 384.14 |
| 2022 | 147.31 | 190.04 | 100.93 | 108.22 | 200.54 | 130.96 | 73.66 | 196.19 | 220.21 | 125.26 | 290.75 | 205.02 | 83.03 | 278.85 | 157.03 | 277.55 | 285.49 | 306.34 | 345.90 | 308.41 | 509.08 | 291.27 | 441.29 | 170.97 |
| 2023 | 150.34 | 335.14 | 135.47 | 150.75 | 182.98 | 363.66 | 128.63 | 201.21 | 206.61 | 94.60 | 167.44 | 190.39 | 376.16 | 169.12 | 418.98 | 380.55 | 147.89 | 84.08 | 13.99 | 109.40 | 86.42 | 74.09 | 116.69 | 151.35 |
| 2024 | 366.22 | 222.30 | 227.23 | 211.24 | 317.27 | 203.25 | 251.60 | 346.53 | 319.26 | 304.89 | 377.33 | 191.63 | 175.48 | 29.92 | 290.44 | 357.92 | 258.73 | 189.50 | 374.71 | 90.19 | 271.29 | 296.07 | 418.04 | 248.65 |
| 2025 | 277.89 | 372.22 | 131.41 | 232.12 | 231.72 | 217.26 | 240.19 | 167.91 | 160.38 | 38.11 | 155.89 | 123.53 | 297.92 | 82.58 | 125.51 | 107.31 | 214.26 | 169.15 | – | – | – | – | – | – |
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 | 132.64 | 124.21 | 83.07 | 107.57 | 114.25 | 111.70 | 102.80 | 130.89 | 78.53 | 56.73 | 84.93 | 98.98 | 96.49 | 73.88 | 76.74 | 119.66 | 149.36 | 156.39 | 102.11 | 104.92 | 182.97 | 142.81 | 142.30 | 144.64 |
| R80mm/hari | 8.84 | 7.76 | 5.93 | 7.68 | 7.62 | 6.98 | 6.85 | 8.73 | 5.24 | 3.55 | 5.66 | 6.60 | 6.43 | 4.62 | 5.12 | 7.48 | 9.96 | 10.43 | 6.81 | 6.56 | 12.20 | 9.52 | 9.49 | 9.04 |
| Reff Padimm/hari | 6.19 | 5.43 | 4.15 | 5.38 | 5.33 | 4.89 | 4.80 | 6.11 | 3.66 | 2.48 | 3.96 | 4.62 | 4.50 | 3.23 | 3.58 | 5.23 | 6.97 | 7.30 | 4.76 | 4.59 | 8.54 | 6.66 | 6.64 | 6.33 |
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.