Climatological Report (Monthly)
Issued by NWS Flagstaff, AZ

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CXUS55 KFGZ 090230
CLMFLG

CLIMATE REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
730 PM MST MON JAN 08 2024

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

...THE FLAGSTAFF AZ AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             68   12/11/1950
 LOW             -23   12/23/1990
                       12/08/1978
HIGHEST           59   12/06                          54  12/26
LOWEST             9   12/26                           1  12/17
AVG. MAXIMUM    48.7               43.0     5.7     43.5
AVG. MINIMUM    20.1               16.9     3.2     20.4
MEAN            34.4               30.0     4.4     31.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                4.3    -4.3        2
DAYS MIN <= 32    31               30.1     0.9       27
DAYS MIN <= 0      0                1.3    -1.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.45   2017
 MINIMUM        0.00   1917
TOTALS          0.54               1.90   -1.36     2.33
DAILY AVG.      0.02               0.06   -0.04     0.08
DAYS >= .01        3                6.7    -3.7       12
DAYS >= .10        1                3.9    -2.9        5
DAYS >= .50        0                1.0    -1.0        1
DAYS >= 1.00       0                0.4    -0.4        0
GREATEST
 24 HR. TOTAL   0.45   12/22 TO 12/22               0.93

SNOWFALL (INCHES)
RECORDS
 TOTAL          86.0   1967
TOTALS           0.7               18.5             20.6
SINCE 7/1        4.8               28.2   -23.4     24.1
SNOWDEPTH AVG.     0                                  MM
GREATEST
 SNOW DEPTH        1   12/01                           9  12/28
 24 HR TOTAL     0.7   12/01 TO 12/01               11.4

DEGREE DAYS
HEATING TOTAL    943               1086    -143     1016
 SINCE 7/1      2312               2726    -414       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       276                146     130       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.3
HIGHEST WIND SPEED/DIRECTION    24/210    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    35/250    DATE  12/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.17
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

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