728 CXAK58 PAFC 011028 CLMANC CLIMATE REPORT NATIONAL WEATHER SERVICE ANCHORAGE, AK 228 AM AKDT FRI OCT 01 2021 ................................... ...THE ANCHORAGE AK CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1952 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 73 09/05/1957 LOW 19 09/24/1992 HIGHEST 62 MM MM 62 LOWEST 25 MM MM 35 AVG. MAXIMUM 53.7 55.7 -2.0 56.9 AVG. MINIMUM 41.3 42.9 -1.6 44.4 MEAN 47.5 49.3 -1.8 50.7 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 6 2.5 3.5 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.71 2015 MINIMUM 0.00 TOTALS 1.95 3.10 -1.15 1.88 DAILY AVG. 0.07 0.10 -0.03 0.06 DAYS >= .01 18 14.9 3.1 17 DAYS >= .10 5 8.0 -3.0 6 DAYS >= .50 1 1.8 -0.8 0 DAYS >= 1.00 0 0.3 -0.3 0 GREATEST 24 HR. TOTAL 0.74 09/23 TO 09/24 0.52 STORM TOTAL 0.57 0.52 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 6.3 2004 24 HR TOTAL 3.5 09/29/1965 TO 09/30/1965 SNOW DEPTH 5 09/25/2004 TOTALS T 0.4 -0.4 0.0 SINCE 7/1 T 0.4 -0.4 MM SNOWDEPTH AVG. 0 MM DAYS >= TRACE 1 0.3 0.7 0 DAYS >= 1.0 0 0.1 -0.1 0 GREATEST SNOW DEPTH 0 MM 24 HR TOTAL MM MM STORM TOTAL 0.0 0.0 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 516 471 45 424 SINCE 7/1 934 880 54 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 11 8 3 MM FREEZE DATES RECORD EARLIEST 08/28/1984 LATEST 05/22/1964 EARLIEST 09/22 MM LATEST 05/05 .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.2 RESULTANT WIND SPEED/DIRECTION 1/050 HIGHEST WIND SPEED/DIRECTION 31/360 DATE 09/21 HIGHEST GUST SPEED/DIRECTION 43/330 DATE 09/21 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.66 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 16 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 1 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$