581
CXUS55 KFGZ 041236
CLMFLG

CLIMATE REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
536 AM MST SAT OCT 04 2025

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...THE FLAGSTAFF AZ AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             91   09/06/2020
 LOW              20   09/22/1912
HIGHEST           82   09/01                          86  09/05
                                                          09/06
                                                          09/28
LOWEST            35   09/14                          34  09/18
                       09/15
                                                          09/19
AVG. MAXIMUM    73.3               74.1    -0.8     78.7
AVG. MINIMUM    44.3               42.5     1.8     43.1
MEAN            58.8               58.3     0.5     60.9
DAYS MAX >= 90     0                0.1    -0.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                2.2    -2.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.75   1983
 MINIMUM           T   1992
TOTALS          1.90               1.84    0.06     0.29
DAILY AVG.      0.07               0.06    0.01     0.01
DAYS >= .01       10                7.5     2.5        4
DAYS >= .10        5                4.0     1.0        1
DAYS >= .50        0                1.0    -1.0        0
DAYS >= 1.00       0                0.5    -0.5        0
GREATEST
 24 HR. TOTAL   0.60   09/25 TO 09/26               0.19

SNOWFALL (INCHES)
RECORDS
 TOTAL           2.0   1965
TOTALS           0.0                0.0              0.0
SINCE 7/1        0.0                0.0              0.0
SNOWDEPTH AVG.    MM                                   0
GREATEST
 SNOW DEPTH       MM                                   0  MM
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL    174                204     -30      128
 SINCE 7/1       210                272     -62       MM
COOLING TOTAL      0                  4      -4       11
 SINCE 1/1       229                146      83       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
HIGHEST WIND SPEED/DIRECTION    35/220    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    50/200    DATE  09/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$