Climatological Report (Annual)
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
000 CXUS53 KJAX 011621 CLASSI CLIMATE REPORT NATIONAL WEATHER SERVICE JACKSONVILLE FL 1121 AM EST FRI JAN 01 2021 ................................... ...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE YEAR OF 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 104 07/20/1986 LOW 6 01/21/1985 HIGHEST 97 06/30 98 -1 99 07/15 07/11 07/01 08/10 LOWEST 27 12/26 25 2 32 01/31 AVG. MAXIMUM 78.4 76.1 2.3 79.0 AVG. MINIMUM 63.2 60.1 3.1 63.7 MEAN 70.8 68.1 2.7 71.3 DAYS MAX >= 90 67 46.0 21.0 76 DAYS MAX >= 97 2 0 DAYS MAX <= 50 5 0 DAYS MIN <= 32 2 8.0 -6.0 1 DAYS MIN >= 70 151 0 DAYS MIN <= 26 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 73.46 1953 MINIMUM 24.27 2010 TOTALS 49.16 45.00 4.16 44.35 DAILY AVG. 0.14 0.12 0.02 0.12 DAYS >= .01 133 103.0 30.0 108 DAYS >= .10 82 65.0 17.0 66 DAYS >= .50 37 28.0 9.0 28 DAYS >= 1.00 13 13.0 0.0 14 DAYS >= %-5.2F 58 6 GREATEST 24 HR. TOTAL 2.81 06/06 TO 06/07 09/15 TO 09/16 SNOWFALL (INCHES) RECORDS TOTAL 4.0 1989 TOTALS 0.0 0.0 0.0 0.0 DEGREE DAYS HEATING TOTAL 998 1489 -491 978 SINCE 7/1 436 530 -94 MM COOLING TOTAL 3226 2628 598 3391 SINCE 1/1 3226 2628 598 MM FREEZE DATES RECORD EARLIEST 11/03/1954 LATEST 03/31/1964 EARLIEST 01/01 LATEST 01/30 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.0 HIGHEST WIND SPEED/DIRECTION 37/360 DATE 08/09 HIGHEST GUST SPEED/DIRECTION 47/360 DATE 08/09 SKY COVER AVERAGE SKY COVER 0.32 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 69 MIXED PRECIP 0 HEAVY RAIN 83 RAIN 113 LIGHT RAIN 163 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 153 FOG W/VIS <= 1/4 MILE 12 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$