Climatological Report (Monthly)
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CXUS53 KAPX 010749
CLMAPN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
344 AM EDT SUN OCT 1 2017

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

...THE ALPENA MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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              99   09/01/1953
 LOW               23   09/28/1957
                        09/23/1942
HIGHEST            93   09/23        MM      MM       92  09/06
LOWEST             33   09/02        MM      MM       39  09/25
                                                          09/24
AVG. MAXIMUM     74.8              68.9     5.9     74.6
AVG. MINIMUM     48.8              46.5     2.3     51.9
MEAN             61.8              57.7     4.1     63.2
DAYS MAX >= 90      3               0.1     2.9        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               1.1    -1.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           3.00              2.92    0.08     2.83
DAILY AVG.       0.10              0.10    0.00     0.09
DAYS >= .01        10              12.0    -2.0       10
DAYS >= .10         8               6.4     1.6        8
DAYS >= .50         2               1.9     0.1        2
DAYS >= 1.00        0               0.6    -0.6        0
GREATEST
 24 HR. TOTAL    0.83   09/17 TO 09/17
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30               0.0

DEGREE_DAYS
HEATING TOTAL     172               242     -70      100
 SINCE 7/1        230               357    -127      123
COOLING TOTAL      82                23      59       56
 SINCE 1/1        352               289      63      547

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

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    28/320    DATE  09/22
HIGHEST GUST SPEED/DIRECTION    39/330    DATE  09/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       7
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      6
HAZE                      3

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

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