390
CDUS43 KAPX 160545
CLIAPN
CLIMATE REPORT
NATIONAL WEATHER SERVICE
145 AM EDT TUE SEP 16 2025
...............................
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 15 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 73 12:38 PM 95 1939 72 1 81
MINIMUM 48 6:44 AM 26 1964 47 1 50
AVERAGE 61 59 2 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.17 1954 0.09 -0.09 0.00
MONTH TO DATE 0.42 1.43 -1.01 0.13
SINCE SEP 1 0.42 1.43 -1.01 0.13
SINCE JAN 1 20.69 21.31 -0.62 26.48
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 4 7 0
MONTH TO DATE 97 74 46
SINCE SEP 1 97 74 46
SINCE JUL 1 184 160 78
COOLING
YESTERDAY 0 1 1
MONTH TO DATE 3 24 7
SINCE SEP 1 3 24 7
SINCE JAN 1 376 340 398
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 3.5
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100
LOWEST 57
AVERAGE 79
......................................................
THE ALPENA MI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 1955
MINIMUM TEMPERATURE (F) 47 26 1923
1964
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 7:14 AM EDT SUNSET 7:43 PM EDT
SEPTEMBER 17 2025.....SUNRISE 7:16 AM EDT SUNSET 7:41 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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