Research Article
Relationships between Rainy Days, Mean Daily Intensity, and Seasonal Rainfall over the Koyna Catchment during 1961–2005
Table 3
Statistical parameters of rainfall series of eight stations in the Koyna catchment.
| | | Jun | Jul | Aug | Sept | Oct | Jun–Sept | Jun–Oct |
| Pratapgad | | 21.45 | 29.74 | 29.58 | 22.84 | 8.37 | 103.61 | 111.97 | | 42.16 | 71.86 | 58.5 | 24.83 | 18.8 | 51.53 | 49.09 | | 50.87 | 70.8 | 58.89 | 30.51 | 26.4 | 58.95 | 57.81 | CV | 120.65 | 98.52 | 100.65 | 122.84 | 140.47 | 114.4 | 117.76 |
| Mahabaleshwar | | 23.47 | 30.6 | 29.49 | 23.04 | 9.87 | 106.6 | 116.47 | | 38.74 | 71.17 | 58.17 | 22.98 | 13.32 | 50.02 | 46.91 | | 53.29 | 70.28 | 57.29 | 30.56 | 23.20 | 59.03 | 57.78 | CV | 137.58 | 98.76 | 98.49 | 132.94 | 174.10 | 118.01 | 123.18 |
| Valvan | | 22.26 | 30.44 | 30.24 | 21.00 | 7.00 | 103.94 | 110.94 | | 53.49 | 82.99 | 66.46 | 25.43 | 16.40 | 60.23 | 57.46 | | 60.33 | 79.13 | 66.45 | 31.95 | 23.26 | 67.22 | 66.19 | CV | 112.80 | 95.35 | 99.99 | 125.64 | 141.81 | 111.60 | 115.18 |
| Bamnoli | | 18.45 | 29.16 | 28.47 | 18.74 | 7.16 | 94.82 | 101.97 | | 28.45 | 40.91 | 29.19 | 13.85 | 14.04 | 29.62 | 28.52 | | 36.77 | 43.92 | 36.50 | 17.99 | 18.17 | 37.52 | 36.71 | CV | 129.24 | 107.36 | 125.04 | 129.89 | 129.39 | 126.68 | 128.71 |
| Kargaon | | 21.00 | 30.17 | 28.75 | 19.83 | 9.33 | 99.75 | 109.08 | | 38.20 | 49.81 | 36.89 | 17.67 | 14.57 | 37.25 | 35.31 | | 48.19 | 53.29 | 42.47 | 31.29 | 24.57 | 46.71 | 45.68 | CV | 126.16 | 106.97 | 115.13 | 177.11 | 168.67 | 125.38 | 129.36 |
| Sonat | | 19.51 | 29.17 | 28.63 | 17.6 | 6.31 | 94.91 | 101.23 | | 34.06 | 55.80 | 38.21 | 14.57 | 13.58 | 38.38 | 36.83 | | 44.20 | 59.70 | 44.09 | 20.19 | 19.52 | 48.58 | 47.67 | CV | 129.78 | 107.00 | 115.40 | 138.60 | 143.80 | 126.58 | 129.42 |
| Navaja | | 20.94 | 30.15 | 29.88 | 20.91 | 7.56 | 101.88 | 109.44 | | 46.71 | 74.51 | 62.16 | 25.93 | 17.89 | 55.20 | 52.62 | | 56.23 | 72.24 | 58.15 | 32.87 | 25.02 | 60.99 | 59.96 | CV | 120.36 | 96.96 | 93.55 | 126.80 | 139.91 | 110.49 | 113.95 |
| Koyna | | 21.96 | 29.89 | 29.67 | 20.78 | 8.33 | 102.29 | 110.62 | | 39.93 | 67.97 | 48.15 | 18.91 | 14.19 | 46.24 | 43.82 | | 48.01 | 66.19 | 48.50 | 24.55 | 22.74 | 53.64 | 52.64 | CV | 120.22 | 97.39 | 100.72 | 129.82 | 160.19 | 116.01 | 120.12 |
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: the mean number of rain days, : the mean rain amount per rain day (mm), : standard deviation (σ), and CV: 100 * (s.d./r).
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