Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS53 KAPX 010534 CLMAPN CLIMATE REPORT NATIONAL WEATHER SERVICE 134 AM EDT SUN OCT 01 2023 ................................... ...THE ALPENA MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1916 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) HIGHEST 94 09/04 MM MM LOWEST 40 09/15 MM MM 09/19 AVG. MAXIMUM 73.3 71.0 2.3 AVG. MINIMUM 50.4 47.0 3.4 MEAN 61.9 59.0 2.9 DAYS MAX >= 90 2 0.5 1.5 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 1.0 -1.0 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) TOTALS 0.82 2.84 -2.02 DAYS >= .01 6 11.2 -5.2 DAYS >= .10 3 6.2 -3.2 DAYS >= .50 0 1.8 -1.8 DAYS >= 1.00 0 0.5 -0.5 GREATEST 24 HR. TOTAL 0.38 09/11 TO 09/12 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 DAYS >= TRACE 0 0.0 DAYS >= 1.0 0 0.0 GREATEST SNOW DEPTH 0 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 142 212 -70 SINCE 7/1 214 300 -86 COOLING TOTAL 53 32 21 SINCE 1/1 301 348 -47 .............................................................. WIND (MPH) AVERAGE WIND SPEED 4.9 HIGHEST WIND SPEED/DIRECTION 21/360 DATE 09/17 HIGHEST GUST SPEED/DIRECTION 30/100 DATE 09/26 SKY COVER AVERAGE SKY COVER 0.40 AVERAGE RH (PERCENT) 77 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$