967 CXUS55 KRIW 020011 CLMCPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 930 AM MST SUN NOV 01 2020 ...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF OCTOBER 2020... ...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2020 WILL BE AVAILABLE APPROXIMATELY IN 60 DAYS FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO- WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW ...CASPER SAW AVERAGE TEMPERATURE AND PRECIPITATION IN OCTOBER... THE AVERAGE TEMPERATURE FOR CASPER IN OCTOBER WAS 42.6 DEGREES. THIS WAS -2.6 DEGREES BELOW NORMAL. THE WARMEST READING OF THE MONTH WAS 82 DEGREES ON THE 6TH. THE COLDEST READING OF THE MONTH WAS -8 DEGREES ON THE 25TH WHICH SET A NEW DAILY RECORD LOW AS THE -8 BROKE A 13 DEGREE RECORD SET IN 1997. THERE WERE SEVERAL DAILY RECORDS BROKEN DURING THE MONTH OF OCTOBER. ON THE 8TH AN 81 BROKE A 78 RECORD FROM 2003. A LOW OF 9 ON THE 22ND BROKE A RECORD OF 10 SET BACK IN 1984. ON THE 23RD A -5 BROKE AN 11 DEGREE RECORD SET IN 1984. THE 24TH SAW A 10 BREAK A 13 DEGREE RECORD SET IN 2001. THE 25TH SAW A COLD HIGH OF 10 BREAK A 23 SET IN 1997. FINALLY ON THE 26TH A -6 BROKE A 12 SET IN 2002. TOTAL PRECIPITATION FOR THE MONTH WAS 0.32 INCHES...WHICH IS 29 PERCENT OF NORMAL. THIS WAS 13TH DIREST OCTOBER. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON THE 22ND WHEN 0.13 INCHES FELL. THE MONTHLY SNOWFALL TOTAL FOR CASPER WAS 3.7 INCHES. THE SNOWIEST DAY WAS 22ND WHEN 2.3 INCHES FELL. THE HIGHEST WIND GUST WAS 57 MPH ON THE 11TH. ...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1939 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 87 10/05/1993 10/01/1992 LOW -9 10/30/2019 10/29/2019 11/24/2010 HIGHEST 82 10/06 LOWEST -8 10/25 AVG. MAXIMUM 59.3 59.4 -0.1 AVG. MINIMUM 26.0 31.0 -5.0 MEAN 42.7 45.2 -2.5 DAYS MAX >= 90 0 DAYS MAX <= 32 2 DAYS MIN <= 32 18 DAYS MIN <= 0 3 PRECIPITATION (INCHES) RECORD MAXIMUM 4.62 1998 MINIMUM T 1956 TOTALS 0.32 1.11 -0.79 1.30 DAILY AVG. 0.01 0.04 -0.03 DAYS >= .01 7 DAYS >= .10 1 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.14 10/21 TO 10/22 STORM TOTAL 0.13 SNOWFALL (INCHES) TOTALS 3.7 7.4 -3.7 SINCE 7/1 11.2 9.2 2.0 SNOWDEPTH AVG. T DAYS >= 1.0 2 DEGREE DAYS HEATING TOTAL 688 614 74 SINCE 7/1 943 900 43 COOLING TOTAL 0 0 0 SINCE 1/1 542 422 120 .............................................................. WIND (MPH) AVERAGE WIND SPEED 12.4 RESULTANT WIND SPEED/DIRECTION 6/240 HIGHEST WIND SPEED/DIRECTION 43/310 DATE 10/11 HIGHEST GUST SPEED/DIRECTION 57/310 DATE 10/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.28 NUMBER OF DAYS FAIR 21 NUMBER OF DAYS PC 5 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 53 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 5 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 5 SLEET 0 FOG 9 FOG W/VIS <= 1/4 MILE 0 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. LOOKING AHEAD TO NOVEMBER 2020...THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE MONTH IS 53 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 27 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 37 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 16. THE AVERAGE MONTHLY PRECIPITATION IS 0.76 INCHES. THE AVERAGE MONTHLY SNOWFALL IS 10.3 INCHES. $$