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Table 4 Site-specific wind speed, standard deviation, and Weibull k and c parameters for a period of a year from January–December 2009

From: Technical and economic assessment of wind power potential of Nooriabad, Pakistan

PM Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean
Height 30 m
W S 4.38 4.607 4.392 5.47 6.455 9.62 5.98 4.644 5.589 3.626 3.54 4.498 5.233
σ 2.246 2.241 1.789 2.406 2.729 3.038 2.646 2.37 2.438 1.506 2.032 2.11 2.295
k 2.057 2.71 2.66 2.432 2.537 2.92 2.394 2.055 2.497 2.588 1.757 2.246 2.4
c 4.942 5.198 4.955 6.172 7.283 10.85 6.747 5.24 6.307 4.0916 3.994 5.076 5.9
Height 50 m
W S 4.92 4.84 5.18 7.1 9.05 9.5 9.1 8.89 7.28 4.55 3.98 4.22 6.55
σ 2.349 2.67 2.369 2.145 2.255 2.282 2.256 2.051 2.157 1.965 1.57 2.049 2.176
k 2.217 1.926 2.254 3.884 4.299 4.32 4.296 4.56 3.957 2.461 2.643 2.177 3.25
c 5.551 5.4615 5.845 8.011 10.22 10.72 10.268 10.032 8.2148 5.134 4.491 4.761 7.392