HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Saibi Samukop, Kec. Siberut Tengah, Kepulauan Mentawai, Prov. Sumatera Barat
GPM01D_E09905_S0135
Panjang Data
28
tahun tersedia
R80 Rata-rata
7.36
mm/hari
Reff Padi Rata-rata
5.15
mm/hari
Reff Padi Maksimum
7.67
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 | 252.81 | 112.48 | 134.46 | 72.53 | 119.25 | 133.66 | 227.52 | 181.85 | 225.19 | 62.84 | 171.16 | 114.86 | 77.77 | 388.45 | 342.10 | 320.03 | 208.46 | 254.49 | 121.93 | 355.67 | 256.01 | 219.36 | 248.13 | 399.58 |
| 1999 | 201.28 | 363.05 | 125.55 | 171.32 | 191.78 | 80.87 | 133.58 | 59.07 | 140.52 | 89.41 | 110.01 | 104.44 | 156.11 | 23.54 | 53.27 | 131.70 | 147.03 | 404.93 | 284.85 | 366.95 | 423.34 | 204.99 | 160.64 | 172.35 |
| 2000 | 236.85 | 79.98 | 51.42 | 35.28 | 15.60 | 115.49 | 122.89 | 194.22 | 12.76 | 205.41 | 140.63 | 152.98 | 133.75 | 219.82 | 277.32 | 78.65 | 181.11 | 366.45 | 139.41 | 283.83 | 150.84 | 424.37 | 168.48 | 337.59 |
| 2001 | 54.16 | 264.28 | 183.55 | 152.08 | 202.97 | 59.35 | 181.44 | 204.74 | 66.76 | 116.57 | 197.32 | 103.02 | 30.91 | 203.41 | 34.44 | 146.04 | 238.32 | 220.57 | 83.65 | 235.68 | 148.62 | 146.71 | 136.53 | 73.90 |
| 2002 | 52.39 | 250.15 | 129.14 | 231.74 | 74.47 | 251.42 | 125.42 | 228.47 | 215.21 | 152.10 | 166.61 | 43.22 | 132.75 | 121.71 | 122.93 | 104.26 | 218.33 | 245.60 | 248.37 | 247.40 | 317.08 | 283.92 | 107.11 | 275.52 |
| 2003 | 124.71 | 230.16 | 141.41 | 151.29 | 97.67 | 199.20 | 186.93 | 287.60 | 165.93 | 9.61 | 29.26 | 201.46 | 179.89 | 26.27 | 404.22 | 167.06 | 258.72 | 141.13 | 313.59 | 189.47 | 309.80 | 281.12 | 357.35 | 101.42 |
| 2004 | 143.67 | 234.35 | 49.51 | 158.75 | 181.83 | 82.06 | 279.49 | 219.69 | 71.38 | 154.71 | 75.21 | 60.28 | 151.31 | 135.95 | 92.34 | 95.59 | 86.81 | 293.26 | 103.30 | 345.54 | 262.41 | 210.09 | 92.55 | 236.17 |
| 2005 | 189.61 | 175.82 | 83.12 | 90.56 | 86.09 | 218.72 | 67.88 | 110.47 | 149.69 | 47.75 | 139.21 | 120.67 | 186.17 | 179.41 | 108.22 | 385.35 | 173.76 | 269.21 | 396.03 | 311.32 | 173.36 | 330.41 | 279.50 | 167.36 |
| 2006 | 247.01 | 174.05 | 92.12 | 306.13 | 60.95 | 521.85 | 110.09 | 200.26 | 33.34 | 56.17 | 98.43 | 157.10 | 123.59 | 127.55 | 82.64 | 148.85 | 77.69 | 123.42 | 17.19 | 69.37 | 149.75 | 144.20 | 193.21 | 338.49 |
| 2007 | 334.15 | 271.03 | 52.49 | 216.56 | 167.68 | 135.42 | 147.58 | 184.75 | 85.40 | 115.37 | 227.09 | 148.43 | 88.89 | 250.07 | 57.20 | 145.60 | 302.83 | 94.74 | 227.32 | 300.05 | 224.91 | 56.52 | 301.91 | 241.47 |
| 2008 | 35.25 | 181.84 | 107.03 | 248.86 | 194.55 | 222.22 | 102.22 | 299.01 | 82.69 | 369.71 | 120.71 | 394.05 | 372.86 | 130.26 | 73.16 | 275.30 | 262.02 | 195.80 | 184.11 | 346.40 | 256.69 | 149.37 | 362.88 | 224.75 |
| 2009 | 134.39 | 282.33 | 114.06 | 132.22 | 116.26 | 86.14 | 295.97 | 58.43 | 144.80 | 28.09 | 104.69 | 128.47 | 125.32 | 172.36 | 224.24 | 308.15 | 232.61 | 257.43 | 92.67 | 306.23 | 449.38 | 209.65 | 250.17 | 254.24 |
| 2010 | 168.11 | 239.74 | 207.13 | 266.70 | 322.67 | 336.23 | 216.22 | 218.84 | 291.23 | 59.55 | 248.02 | 105.90 | 303.78 | 172.45 | 208.34 | 265.51 | 183.99 | 293.67 | 272.22 | 242.31 | 347.74 | 415.67 | 165.95 | 128.34 |
| 2011 | 167.90 | 122.96 | 111.82 | 158.42 | 155.13 | 211.56 | 84.20 | 284.72 | 22.52 | 126.73 | 172.57 | 193.20 | 96.47 | 33.44 | 124.57 | 111.65 | 244.44 | 217.32 | 150.07 | 367.72 | 348.23 | 385.03 | 199.07 | 256.82 |
| 2012 | 152.84 | 67.11 | 93.44 | 310.78 | 250.16 | 165.45 | 94.56 | 102.31 | 104.76 | 186.82 | 186.37 | 51.92 | 185.34 | 162.85 | 120.28 | 193.78 | 107.89 | 236.10 | 185.80 | 227.33 | 426.61 | 373.43 | 212.00 | 327.78 |
| 2013 | 169.60 | 163.37 | 365.51 | 181.84 | 86.83 | 129.58 | 509.52 | 148.42 | 116.47 | 143.58 | 114.89 | 145.63 | 140.60 | 136.06 | 185.87 | 311.32 | 341.27 | 126.27 | 215.71 | 310.81 | 298.86 | 244.98 | 348.43 | 173.27 |
| 2014 | 236.19 | 91.96 | 79.14 | 113.84 | 110.55 | 172.35 | 236.25 | 158.76 | 162.17 | 203.15 | 200.72 | 88.20 | 187.71 | 54.92 | 194.96 | 148.02 | 219.40 | 307.88 | 289.90 | 320.24 | 310.48 | 409.43 | 101.81 | 315.92 |
| 2015 | 122.15 | 195.29 | 198.46 | 197.51 | 137.74 | 183.68 | 206.04 | 210.25 | 93.12 | 113.85 | 341.87 | 15.85 | 62.66 | 108.30 | 248.08 | 215.13 | 150.48 | 262.60 | 105.14 | 110.43 | 381.15 | 284.95 | 483.09 | 108.19 |
| 2016 | 218.62 | 202.19 | 291.45 | 185.22 | 362.85 | 330.72 | 241.83 | 134.75 | 283.03 | 226.58 | 251.09 | 275.78 | 67.07 | 251.21 | 180.58 | 337.98 | 176.98 | 331.96 | 318.63 | 340.38 | 239.62 | 307.21 | 263.02 | 231.82 |
| 2017 | 291.51 | 208.08 | 74.97 | 311.21 | 171.52 | 123.55 | 287.89 | 177.84 | 213.00 | 224.54 | 67.36 | 111.34 | 190.95 | 102.74 | 235.34 | 249.46 | 326.55 | 199.98 | 278.24 | 118.55 | 362.21 | 324.97 | 149.14 | 305.83 |
| 2018 | 117.29 | 82.58 | 91.28 | 290.75 | 264.85 | 264.13 | 182.40 | 234.49 | 144.09 | 311.75 | 38.02 | 174.91 | 163.41 | 118.31 | 128.88 | 235.53 | 164.98 | 171.96 | 401.10 | 234.08 | 380.08 | 137.66 | 336.27 | 53.35 |
| 2019 | 259.45 | 153.64 | 157.94 | 179.70 | 267.17 | 220.91 | 84.91 | 187.18 | 101.52 | 166.12 | 220.65 | 174.51 | 86.56 | 77.58 | 91.94 | 131.78 | 51.17 | 23.91 | 22.84 | 47.02 | 43.84 | 105.53 | 270.02 | 185.38 |
| 2020 | 200.70 | 282.23 | 163.48 | 102.41 | 172.78 | 235.16 | 182.79 | 269.43 | 286.44 | 121.32 | 87.99 | 176.62 | 244.09 | 397.30 | 79.81 | 197.96 | 262.32 | 198.39 | 231.01 | 196.85 | 287.39 | 358.13 | 172.17 | 184.08 |
| 2021 | 170.75 | 213.83 | 73.47 | 132.26 | 182.84 | 468.98 | 182.82 | 141.72 | 261.33 | 213.81 | 138.51 | 95.25 | 158.06 | 95.69 | 239.17 | 261.04 | 168.64 | 390.92 | 175.54 | 244.47 | 266.65 | 75.99 | 238.30 | 386.31 |
| 2022 | 123.32 | 172.32 | 107.79 | 97.38 | 202.96 | 130.11 | 75.63 | 185.95 | 254.41 | 100.38 | 299.00 | 193.48 | 73.10 | 280.48 | 119.63 | 317.62 | 310.44 | 286.93 | 343.95 | 270.61 | 524.64 | 248.85 | 440.11 | 161.29 |
| 2023 | 157.27 | 315.57 | 160.04 | 141.92 | 147.98 | 327.10 | 117.52 | 189.67 | 187.37 | 97.34 | 142.81 | 167.02 | 331.24 | 178.27 | 366.18 | 443.97 | 177.61 | 62.19 | 15.89 | 107.01 | 88.71 | 73.93 | 116.49 | 151.62 |
| 2024 | 354.30 | 261.11 | 254.93 | 191.52 | 306.02 | 212.92 | 242.37 | 369.66 | 329.91 | 304.34 | 353.07 | 216.48 | 171.15 | 25.48 | 309.43 | 360.60 | 296.61 | 206.77 | 402.32 | 84.42 | 281.78 | 276.62 | 362.38 | 264.00 |
| 2025 | 222.49 | 382.07 | 121.24 | 231.63 | 231.98 | 219.36 | 206.89 | 169.40 | 196.96 | 35.28 | 169.38 | 125.37 | 335.32 | 81.03 | 135.30 | 108.58 | 218.86 | 177.27 | – | – | – | – | – | – |
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 | 123.09 | 120.86 | 78.31 | 111.55 | 95.50 | 121.93 | 100.69 | 140.32 | 80.43 | 58.87 | 96.34 | 93.84 | 84.80 | 73.04 | 82.07 | 127.69 | 149.79 | 138.16 | 99.04 | 115.30 | 164.35 | 141.58 | 144.09 | 142.30 |
| R80mm/hari | 8.21 | 7.55 | 5.59 | 7.97 | 6.37 | 7.62 | 6.71 | 9.35 | 5.36 | 3.68 | 6.42 | 6.26 | 5.65 | 4.57 | 5.47 | 7.98 | 9.99 | 9.21 | 6.60 | 7.21 | 10.96 | 9.44 | 9.61 | 8.89 |
| Reff Padimm/hari | 5.74 | 5.29 | 3.92 | 5.58 | 4.46 | 5.33 | 4.70 | 6.55 | 3.75 | 2.58 | 4.50 | 4.38 | 3.96 | 3.20 | 3.83 | 5.59 | 6.99 | 6.45 | 4.62 | 5.04 | 7.67 | 6.61 | 6.72 | 6.23 |
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.