Climatological Report (Monthly)
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000
CXUS53 KAPX 010532
CLMAPN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
1232 AM EST MON JAN 1 2018

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

...THE ALPENA MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1916 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              65   12/05/2001
                        12/25/1982
 LOW              -27   12/29/1933
HIGHEST            56   12/05        MM      MM       49  12/26
LOWEST            -19   12/28        MM      MM        1  12/19
AVG. MAXIMUM     27.9              31.7    -3.8     32.4
AVG. MINIMUM     12.9              18.4    -5.5     21.8
MEAN             20.4              25.0    -4.6     27.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              15.7     8.3       14
DAYS MIN <= 32     31              28.3     2.7       28
DAYS MIN <= 0       8               1.8     6.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.24              1.75   -0.51     2.04
DAILY AVG.       0.04              0.06   -0.02     0.07
DAYS >= .01        17              14.2     2.8       22
DAYS >= .10         4               4.5    -0.5        7
DAYS >= .50         0               0.9    -0.9        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.30   12/22 TO 12/22
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 SNOW DEPTH        MM   MM
TOTALS           13.7              19.2    -5.5     24.5
SINCE 7/1        14.2              27.3   -13.1     26.3
SNOWDEPTH AVG.      3                 6      -3        3
DAYS >= TRACE      26              13.6    12.4       27
DAYS >= 1.0         5               6.2    -1.2        9
GREATEST
 SNOW DEPTH         6   12/31                          6  12/31
                        12/30                             12/24
                        12/29                             12/19
 24 HR TOTAL      3.3   12/22 TO 12/22               4.2

DEGREE_DAYS
HEATING TOTAL    1375              1238     137     1166
 SINCE 7/1       2879              3061    -182     2375
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        358               291      67      549

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    30/220    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    50/240    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         20

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       7
LIGHT SNOW               27     SLEET                      0
FOG                      26     FOG W/VIS <= 1/4 MILE      5
HAZE                      5

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

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