Climatological Report (Annual)
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864
CXUS53 KAPX 010545
CLAAPN

CLIMATE REPORT
NATIONAL WEATHER SERVICE
1245 AM EST WED JAN 01 2025

...................................

...THE ALPENA MI CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1916 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   07/13/1936
 LOW             -37   02/17/1979
HIGHEST           96   06/19         MM      MM       94  09/04
LOWEST            -5   12/22         MM      MM       -9  01/31
AVG. MAXIMUM    58.4               54.8     3.6     56.4
AVG. MINIMUM    38.3               33.9     4.4     36.8
MEAN            48.4               44.3     4.1     46.6
DAYS MAX >= 90     7                7.2    -0.2        8
DAYS MAX <= 32    40
DAYS MIN <= 32   144              168.9   -24.9      149
DAYS MIN <= 0      1               17.2   -16.2        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       30.02   2023
 MINIMUM       23.33   2020
TOTALS         32.92              29.67    3.25    30.02
DAILY AVG.      0.09               0.08    0.01     0.08
DAYS >= .01      146              145.4     0.6      145
DAYS >= .10       74               68.8     5.2       70
DAYS >= .50       21               17.6     3.4       16
DAYS >= 1.00       6                3.7     2.3        3
DAYS >= %-5.2F     0                                   1
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   2.42    MM                          3.49
 STORM TOTAL    1.60                                3.49
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL   6398               7844   -1446     6885
 SINCE 7/1      2333               2888    -555       MM
COOLING TOTAL    419                352      67      315
 SINCE 1/1       419                351      68       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/10
LATEST                          04/26
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   1/260
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  04/12
HIGHEST GUST SPEED/DIRECTION    57/100    DATE  04/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR          150
NUMBER OF DAYS PC             97
NUMBER OF DAYS CLOUDY        119

AVERAGE RH (PERCENT)     73


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$