888
CDUS43 KAPX 210557
CLIAPN
CLIMATE REPORT
NATIONAL WEATHER SERVICE
157 AM EDT SUN SEP 21 2025
...............................
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 20 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1916 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 12:21 PM 87 1940 69 -3 79
1998
MINIMUM 46 12:08 AM 24 1929 46 0 52
AVERAGE 56 58 -2 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.96 1931 0.09 -0.09 0.16
2018
MONTH TO DATE 0.42 1.89 -1.47 0.29
SINCE SEP 1 0.42 1.89 -1.47 0.29
SINCE JAN 1 20.69 21.77 -1.08 26.64
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 8 0
MONTH TO DATE 120 112 47
SINCE SEP 1 120 112 47
SINCE JUL 1 207 198 79
COOLING
YESTERDAY 0 1 1
MONTH TO DATE 5 29 12
SINCE SEP 1 5 29 12
SINCE JAN 1 378 345 403
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.8
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89
LOWEST 68
AVERAGE 79
......................................................
THE ALPENA MI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1931
MINIMUM TEMPERATURE (F) 45 28 1929
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 7:20 AM EDT SUNSET 7:33 PM EDT
SEPTEMBER 22 2025.....SUNRISE 7:22 AM EDT SUNSET 7:31 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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