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Climatological Report (Monthly)
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Issued by NWS
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000 CXUS53 KLOT 012153 CCA CLMORD CLIMATE REPORT...CORRECTED NATIONAL WEATHER SERVICE CHICAGO IL 848 AM CDT MON APR 1 2013 ................................... ...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF MARCH 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2013 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 88 03/29/1986 LOW -12 03/04/1873 HIGHEST 59 03/31 87 03/21 03/30 LOWEST 14 03/21 21 03/05 03/20 AVG. MAXIMUM 39.6 46.6 -7.0 63.3 AVG. MINIMUM 25.6 29.2 -3.6 43.6 MEAN 32.6 37.9 -5.3 53.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 4 2.9 1.1 1 DAYS MIN <= 32 28 19.6 8.4 6 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.58 1922 MINIMUM 0.29 1910 TOTALS 2.00 2.50 -0.50 2.68 DAILY AVG. 0.06 0.08 -0.02 0.09 DAYS >= .01 9 11.1 -2.1 7 DAYS >= .10 3 5.5 -2.5 6 DAYS >= .50 2 1.5 0.5 2 DAYS >= 1.00 0 0.4 -0.4 1 GREATEST 24 HR. TOTAL 0.87 03/10 TO 03/10 SNOWFALL (INCHES) RECORDS TOTAL 23.1 1926 TOTALS 10.4 5.6 4.8 0.3 SINCE 7/1 30.0 35.1 -5.1 19.8 SNOWDEPTH AVG. 1 MM MM 0 DAYS >= 1.0 1 1.7 -0.7 0 GREATEST SNOW DEPTH 10 03/06 0 MM 24 HR TOTAL 9.2 03/05 DEGREE_DAYS HEATING TOTAL 994 841 153 390 SINCE 7/1 5396 5575 -179 4363 COOLING TOTAL 0 1 -1 39 SINCE 1/1 0 1 -1 39 ................................................................. WIND (MPH) AVERAGE WIND SPEED 10.3 HIGHEST WIND SPEED/DIRECTION 31/280 DATE 03/18 HIGHEST GUST SPEED/DIRECTION 43/010 DATE 03/24 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 17 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 1 SNOW 2 LIGHT SNOW 13 SLEET 2 FOG 11 FOG W/VIS <= 1/4 MILE 3 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$
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