Climatological Report (Seasonal)
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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000 CXUS53 KJAX 011517 CLSSSI CLIMATE REPORT NATIONAL WEATHER SERVICE JACKSONVILLE FL 1017 AM EST TUE DEC 01 2020 ................................... ...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2020 TO 11/30/2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1948 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 97 09/16/1972 LOW 21 11/25/1950 HIGHEST 96 09/04 92 4 MM 09/05 LOWEST 54 10/30 37 17 MM AVG. MAXIMUM 83.1 77.6 5.5 MM AVG. MINIMUM 70.4 62.4 8.0 MM MEAN 76.8 70.0 6.8 MM DAYS MAX >= 90 6 4.0 2.0 MM DAYS MIN <= 32 0 0.0 0.0 MM PRECIPITATION (INCHES) RECORD MAXIMUM 29.26 1950 MINIMUM 2.60 2010 TOTALS 11.43 12.25 -0.82 MM DAILY AVG. 0.19 0.13 0.06 MM DAYS >= .01 24 24.0 0.0 MM DAYS >= .10 17 15.0 2.0 MM DAYS >= .50 7 7.0 0.0 MM DAYS >= 1.00 3 4.0 -1.0 MM GREATEST 24 HR. TOTAL 2.81 09/15 TO 09/16 SNOWFALL (INCHES) RECORDS TOTAL 0.0 MM TOTALS 0.0 0.0 0.0 MM DEGREE DAYS HEATING TOTAL 1 181 -180 MM SINCE 7/1 1 181 -180 MM COOLING TOTAL 730 639 91 MM SINCE 1/1 3086 2615 471 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.8 HIGHEST WIND SPEED/DIRECTION 26/060 DATE 09/15 HIGHEST GUST SPEED/DIRECTION 37/310 DATE 09/29 37/310 09/29 SKY COVER AVERAGE SKY COVER 0.44 AVERAGE RH (PERCENT) 84 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 18 RAIN 21 LIGHT RAIN 33 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 26 FOG W/VIS <= 1/4 MILE 3 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$