Rivers Hydro-meteorological characteristics Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Astor River
  Min temp -6.63 -6.14 -1.5 4.1 7.4 11.12 13.42 14.3* 9.94 4.71 -1.1 -4.6
  Max temp 2.53 4.25 8.5 15.2 19.7 24.4 27.21* 27.05 23.44 17.7 11.3 5.67
  Rainfall 46.02 44.12 88.93* 78.93 66.02 27.76 26.13 33.34 28.05 23.6 27.54 35.18
  Discharge 31.53 28.78 29.9 56.71 183.92 372 408.72* 261.48 130.26 65 46.71 36.76
Gilgit River
  Min temp -1.98 -0.06 5.48 8.81 11.67 14.62 17.41* 17.2 12.44 6.28 0.24 -1.63
  Max temp 10.06 12.44 17.7 24.45 28.91 33.96 36.43* 35.33 32.09 25.5 18.52 12.18
  Rainfall 4.57 7.16 13.1 26.29* 31.9 9.96 15.59 19.63 11.84 9.53 5.68 8.75
  Discharge 115.9 102.06 95.3 124.85 422.81 1222 2029.36* 1791 821.46 310 181.43 138.02
Indus River/Skardu
  Min temp -7.76 -4.42 1.6 6.62 9.93 13.12 16.46* 15.74 11.44 4.19 -1.51 -5.14
  Max temp 2.99 5.93 12 19.23 23.75 28.83 32.07* 31.35 27.75 20.6 13.64 6.94
  Rainfall 34.3 27.1 37.35* 28.22 25.24 11.15 11.38 15.75 11.89 16.4 14.53 21.06
  Discharge 200.82 186.25 184 260.9 821.58 2123 3460.96* 3234.8 1532.32 520 325.52 244.27
Indus River/Chilas
  Min temp 1.66 4.29 8.42 14.26 18.8 24.03 27.49* 26.48 22.64 14.8 7.7 2.38
  Max temp 11.1 14.44 19.2 26.05 31.15 36.98 39.48* 38.43 35.08 28.2 20.88 13.9
  Rainfall 14.53 15.3 27.1 40.5* 26.3 14.49 14.42 11.08 7.31 15.3 17.31 16.27
  Discharge 344.94 312.72 307 413.71 1249.1 3660 5675.64* 5230.4 2424.24 875 532.5 409.61
* Indicates significant value (p<0.05).
Table 3: Mean monthly analysis of Northern area Rivers.