HUJAN EFEKTIF
Curah Hujan Efektif R80
Desa/Kel. Cimpungan, Kec. Siberut Tengah, Kepulauan Mentawai, Prov. Sumatera Barat
GPM01D_E09905_S0125
Panjang Data
28
tahun tersedia
R80 Rata-rata
7.18
mm/hari
Reff Padi Rata-rata
5.03
mm/hari
Reff Padi Maksimum
8.35
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 | 282.00 | 116.78 | 127.55 | 75.76 | 127.74 | 120.56 | 222.11 | 167.65 | 226.33 | 122.08 | 160.71 | 129.22 | 78.94 | 364.58 | 327.31 | 324.32 | 242.18 | 239.82 | 122.12 | 362.33 | 273.05 | 214.91 | 206.20 | 436.96 |
| 1999 | 264.55 | 319.38 | 166.33 | 135.69 | 180.91 | 110.90 | 135.25 | 69.77 | 148.86 | 82.47 | 99.65 | 109.52 | 168.91 | 22.49 | 56.77 | 130.23 | 144.74 | 410.75 | 316.04 | 354.07 | 386.15 | 240.25 | 167.46 | 188.84 |
| 2000 | 253.76 | 69.09 | 49.81 | 34.87 | 15.20 | 119.89 | 113.34 | 213.99 | 12.56 | 195.15 | 130.87 | 166.28 | 146.56 | 210.58 | 274.72 | 82.67 | 277.21 | 341.51 | 150.18 | 287.22 | 129.34 | 447.89 | 166.17 | 330.55 |
| 2001 | 42.49 | 274.53 | 157.24 | 185.43 | 176.58 | 69.41 | 132.36 | 189.09 | 76.38 | 121.15 | 207.36 | 104.20 | 23.01 | 208.09 | 42.64 | 147.42 | 216.87 | 232.70 | 74.36 | 260.97 | 111.51 | 168.82 | 144.07 | 81.75 |
| 2002 | 51.13 | 280.26 | 121.55 | 233.94 | 77.33 | 267.01 | 115.74 | 248.12 | 256.26 | 131.51 | 165.04 | 44.78 | 155.11 | 97.17 | 140.25 | 113.64 | 184.38 | 270.26 | 243.32 | 270.57 | 308.85 | 272.14 | 143.64 | 279.50 |
| 2003 | 115.70 | 222.71 | 142.94 | 117.37 | 88.42 | 207.47 | 216.18 | 256.32 | 172.43 | 7.01 | 24.19 | 209.46 | 197.90 | 25.07 | 411.75 | 155.66 | 253.49 | 172.06 | 316.46 | 181.00 | 343.40 | 280.70 | 333.51 | 95.77 |
| 2004 | 126.82 | 279.24 | 42.11 | 179.29 | 170.39 | 97.96 | 261.67 | 244.77 | 75.75 | 144.63 | 76.69 | 68.89 | 156.66 | 122.08 | 91.76 | 100.23 | 102.41 | 272.40 | 144.42 | 320.95 | 230.14 | 269.57 | 128.78 | 231.05 |
| 2005 | 177.12 | 197.83 | 76.99 | 94.00 | 86.93 | 232.83 | 59.20 | 123.12 | 149.02 | 48.64 | 154.93 | 102.32 | 178.18 | 190.63 | 77.54 | 423.90 | 163.98 | 277.79 | 368.28 | 337.13 | 193.45 | 310.00 | 282.66 | 124.40 |
| 2006 | 237.57 | 175.64 | 128.04 | 307.70 | 40.71 | 549.24 | 114.35 | 207.16 | 36.86 | 60.96 | 104.88 | 147.97 | 123.70 | 123.90 | 86.34 | 220.49 | 104.45 | 127.26 | 32.36 | 69.87 | 157.30 | 151.06 | 201.33 | 337.25 |
| 2007 | 340.23 | 255.38 | 55.72 | 242.81 | 163.82 | 161.78 | 153.12 | 181.77 | 80.16 | 108.38 | 252.38 | 121.42 | 69.58 | 266.52 | 65.70 | 162.55 | 301.72 | 96.91 | 269.13 | 272.47 | 209.17 | 66.38 | 358.58 | 178.90 |
| 2008 | 41.12 | 195.16 | 105.86 | 217.83 | 208.45 | 243.45 | 88.20 | 311.69 | 63.13 | 383.20 | 113.04 | 452.10 | 349.51 | 129.74 | 69.95 | 282.84 | 279.45 | 180.13 | 186.97 | 359.12 | 260.14 | 147.29 | 390.76 | 191.21 |
| 2009 | 138.27 | 277.83 | 111.10 | 149.48 | 115.72 | 80.88 | 326.54 | 52.39 | 135.87 | 26.18 | 94.40 | 132.95 | 124.18 | 158.34 | 241.29 | 294.22 | 240.91 | 245.98 | 70.68 | 316.68 | 436.12 | 208.41 | 276.97 | 236.62 |
| 2010 | 140.73 | 222.78 | 228.15 | 278.10 | 316.06 | 321.37 | 222.19 | 214.04 | 292.98 | 39.15 | 224.32 | 120.84 | 317.13 | 175.78 | 202.64 | 276.45 | 207.30 | 296.22 | 252.14 | 254.70 | 363.16 | 354.77 | 183.47 | 119.33 |
| 2011 | 152.00 | 139.89 | 134.87 | 159.44 | 125.31 | 193.31 | 78.24 | 304.60 | 25.14 | 121.15 | 174.48 | 181.69 | 103.37 | 24.25 | 127.88 | 141.08 | 255.20 | 223.54 | 136.98 | 420.69 | 326.94 | 401.19 | 209.24 | 245.84 |
| 2012 | 169.59 | 63.91 | 90.88 | 279.39 | 282.77 | 157.16 | 96.04 | 87.25 | 126.26 | 177.16 | 161.55 | 75.42 | 182.25 | 125.93 | 114.83 | 203.30 | 124.01 | 202.13 | 156.44 | 252.54 | 398.24 | 398.53 | 233.13 | 299.71 |
| 2013 | 154.39 | 111.96 | 363.73 | 174.71 | 65.74 | 140.36 | 395.82 | 120.95 | 116.77 | 83.68 | 144.51 | 103.68 | 118.35 | 104.48 | 176.99 | 331.91 | 321.82 | 112.17 | 173.36 | 450.90 | 289.00 | 207.79 | 355.14 | 164.14 |
| 2014 | 264.21 | 113.49 | 69.24 | 64.38 | 102.73 | 153.15 | 250.03 | 137.01 | 131.97 | 180.75 | 195.93 | 87.27 | 164.27 | 41.85 | 195.34 | 178.42 | 217.95 | 273.74 | 240.99 | 318.13 | 331.39 | 441.55 | 105.01 | 311.44 |
| 2015 | 103.51 | 182.24 | 223.16 | 190.36 | 128.68 | 183.24 | 195.30 | 214.90 | 89.72 | 95.69 | 328.29 | 11.91 | 65.27 | 140.40 | 268.74 | 219.00 | 161.41 | 308.30 | 121.31 | 139.90 | 390.76 | 263.69 | 430.82 | 114.89 |
| 2016 | 213.54 | 224.90 | 294.70 | 162.15 | 414.52 | 231.31 | 192.80 | 133.66 | 296.37 | 189.55 | 225.58 | 289.31 | 68.90 | 249.02 | 154.85 | 344.26 | 170.28 | 325.79 | 295.47 | 366.16 | 249.56 | 317.33 | 260.61 | 230.47 |
| 2017 | 280.41 | 195.29 | 72.60 | 298.53 | 162.37 | 113.83 | 295.34 | 178.86 | 189.92 | 242.10 | 62.82 | 110.84 | 185.00 | 97.96 | 220.23 | 231.55 | 330.10 | 197.62 | 293.33 | 90.65 | 362.25 | 342.74 | 131.62 | 315.93 |
| 2018 | 102.67 | 89.77 | 68.51 | 314.09 | 245.56 | 239.50 | 192.37 | 242.96 | 200.69 | 268.95 | 46.02 | 180.21 | 169.83 | 127.23 | 125.81 | 231.03 | 150.06 | 173.79 | 445.05 | 189.28 | 345.57 | 141.05 | 310.17 | 46.38 |
| 2019 | 201.96 | 159.55 | 163.97 | 191.31 | 275.10 | 191.05 | 100.89 | 182.08 | 137.31 | 164.30 | 201.36 | 174.85 | 77.92 | 83.70 | 78.10 | 134.23 | 51.02 | 22.51 | 24.33 | 46.23 | 33.71 | 127.73 | 286.95 | 188.27 |
| 2020 | 211.12 | 272.94 | 159.27 | 124.70 | 162.07 | 236.17 | 163.32 | 290.62 | 292.30 | 115.87 | 92.88 | 142.83 | 207.78 | 370.34 | 72.45 | 192.25 | 252.76 | 182.85 | 210.52 | 178.58 | 326.26 | 364.65 | 161.21 | 179.08 |
| 2021 | 186.40 | 170.08 | 53.37 | 137.95 | 170.05 | 481.68 | 154.07 | 122.47 | 238.06 | 228.23 | 131.92 | 86.68 | 150.70 | 96.25 | 268.39 | 257.09 | 182.64 | 423.75 | 148.92 | 240.94 | 271.59 | 52.34 | 246.91 | 372.23 |
| 2022 | 113.50 | 137.50 | 103.75 | 101.50 | 190.94 | 109.32 | 59.21 | 188.48 | 268.34 | 102.76 | 292.76 | 197.23 | 74.14 | 282.17 | 96.56 | 358.11 | 333.37 | 280.38 | 334.19 | 276.22 | 466.52 | 267.03 | 401.52 | 157.70 |
| 2023 | 131.59 | 316.56 | 161.90 | 99.67 | 107.15 | 368.43 | 97.83 | 198.43 | 173.88 | 87.28 | 111.91 | 151.91 | 324.78 | 179.45 | 416.99 | 431.61 | 171.72 | 61.74 | 16.70 | 123.69 | 109.10 | 65.95 | 115.95 | 151.08 |
| 2024 | 354.35 | 204.13 | 151.08 | 239.10 | 291.24 | 193.01 | 236.26 | 326.58 | 339.91 | 279.53 | 261.10 | 247.01 | 166.55 | 16.05 | 320.61 | 327.66 | 266.77 | 279.31 | 405.09 | 72.59 | 271.80 | 253.10 | 342.01 | 262.20 |
| 2025 | 194.78 | 428.39 | 127.54 | 234.59 | 203.13 | 250.92 | 172.03 | 152.54 | 182.18 | 34.50 | 152.65 | 127.13 | 313.42 | 64.02 | 168.69 | 91.32 | 198.69 | 185.95 | – | – | – | – | – | – |
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 | 111.50 | 116.12 | 69.09 | 101.13 | 88.12 | 113.24 | 97.47 | 122.99 | 76.25 | 58.50 | 94.09 | 87.15 | 77.16 | 59.58 | 76.52 | 133.43 | 148.99 | 163.10 | 102.53 | 133.41 | 178.99 | 144.79 | 143.90 | 122.37 |
| R80mm/hari | 7.43 | 7.26 | 4.94 | 7.22 | 5.87 | 7.08 | 6.50 | 8.20 | 5.08 | 3.66 | 6.27 | 5.81 | 5.14 | 3.72 | 5.10 | 8.34 | 9.93 | 10.87 | 6.84 | 8.34 | 11.93 | 9.65 | 9.59 | 7.65 |
| Reff Padimm/hari | 5.20 | 5.08 | 3.45 | 5.06 | 4.11 | 4.95 | 4.55 | 5.74 | 3.56 | 2.56 | 4.39 | 4.07 | 3.60 | 2.61 | 3.57 | 5.84 | 6.95 | 7.61 | 4.78 | 5.84 | 8.35 | 6.76 | 6.72 | 5.35 |
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.