THE FOLLOWING TABLES GIVE A MONTH BY MONTH BREAKDOWN OF WEATHER IN 2011 AT THE SIOUX CITY AIRPORT...
AVERAGE AVERAGE DEPARTURE EXTREMES
MONTH MAX MIN MONTHLY FROM NORM HIGH LOW
JANUARY 22.7 4.4 13.5 MINUS 5.1 43 16B
FEBRUARY 32.0 11.3 21.7 MINUS 3.4 63 16B
MARCH 45.3 25.1 35.2 MINUS 1.3 68 5
APRIL 59.3 36.1 47.7 MINUS 1.8 82 23
MAY 72.0 48.2 60.1 MINUS 1.1 96 26
JUNE 81.4 60.3 70.9 PLUS 0.4 100 49
JULY 90.1 70.5 80.3 PLUS 6.0 99 61
AUGUST 84.8 62.3 73.5 PLUS 1.4 100 50
SEPTEMBER 74.4 45.9 60.2 MINUS 3.2 91 29
OCTOBER 69.3 38.5 53.9 PLUS 3.2 90 18
NOVEMBER 50.4 24.6 37.5 PLUS 1.7 67 10
DECEMBER 38.2 14.9 26.5 PLUS 3.9 57 9B
...YEARLY AVERAGES...
2011 60.0 36.8 48.4 100 16B
NORMAL YEAR 59.7 37.1 48.4
DEPARTURE DEPARTURE MAX WIND GUST
MONTH FROM NORM SNOWFALL FROM NORM DIRECTION/MPH/DATE
JANUARY 1.83 PLUS 1.21 21.1 PLUS 14.4 NW 48 ON 7TH
FEBRUARY 0.73 PLUS 0.06 3.8 MINUS 2.8 NW 45 ON 14TH
MARCH 0.90 MINUS 1.10 6.0 MINUS 0.5 NW 45 ON 12TH
APRIL 4.29 PLUS 1.34 T MINUS 1.8 S 49 ON 29TH
MAY 6.67 PLUS 2.93 SW 49 ON 11TH
JUNE 5.03 PLUS 1.14 NW 67 ON 26TH
JULY 0.78 MINUS 2.66 SW 48 ON 11TH
AUGUST 2.53 MINUS 0.70 W 53 ON 7TH
SEPTEMBER 0.31 MINUS 2.65 NW 44 ON 29TH
OCTOBER 0.23 MINUS 1.90 0.0 MINUS 1.0 S 44 ON 6TH
NOVEMBER 0.05 MINUS 1.26 T MINUS 4.4 NW 53 ON 26TH
DECEMBER 0.58 MINUS 0.22 2.8 MINUS 5.0 NW 44 ON 31ST
...YEARLY AVERAGES...
2011 23.93 MINUS 3.54 NW 67 ON JUNE 26TH
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