Climatological Report (Monthly)
Issued by NWS Grand Junction, CO

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192
CXUS55 KGJT 011041
CLMGJT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
441 AM MDT WED OCT 01 2025

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

...THE GRAND JUNCTION CO CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   09/06/2022
 LOW              28   09/27/1908
HIGHEST           94   09/03         86       8       93  09/03
LOWEST            44   09/14         45      -1       49  09/18
                       09/24
AVG. MAXIMUM    82.3               81.7     0.6     87.8
AVG. MINIMUM    54.7               52.5     2.2     59.1
MEAN            68.5               67.1     1.4     73.4
DAYS MAX >= 90     4                4.2    -0.2       14
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.78   1896
 MINIMUM           T   2018
TOTALS          0.97               1.19   -0.22     0.27
DAILY AVG.      0.03               0.04   -0.01     0.01
DAYS >= .01        5                6.5    -1.5        4
DAYS >= .10        4                3.7     0.3        2
DAYS >= .50        0                0.5    -0.5        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.36   09/12 TO 09/12               0.13

SNOWFALL (INCHES)
RECORDS
 TOTAL           3.1   1965
TOTALS             T                0.0     0.0      0.0
SINCE 7/1          T                0.0     0.0      0.0
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  9/30
 24 HR TOTAL       T   09/09 TO 09/09                0.0
                       09/11 TO 09/11
                       09/12 TO 09/12

DEGREE DAYS
HEATING TOTAL     25                 59     -34        2
 SINCE 7/1        25                 58     -33        2
COOLING TOTAL    138                122      16      263
 SINCE 1/1      1516               1228     288     1745
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    48/240    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    68/240    DATE  09/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     41

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       3
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      9

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

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