263
CXUS55 KRIW 020129
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
608 PM MST SAT FEB 01 2025

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF
JANUARY 2025...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2025 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...GREYBULL IN JANUARY WAS WETTER THAN NORMAL....

THE AVERAGE TEMPERATURE FOR GREYBULL IN JANUARY WAS 17.5 DEGREES
WHICH IS NORMAL. THE WARMEST TEMPERATURE FOR THE MONTH WAS 43
DEGREES ON THE 29TH. THE COLDEST TEMPERATURE WAS 14 DEGREES BELOW
ZERO ON THE 20TH. THIS BROKE THE 2022 RECORD OF 14 BELOW.

PRECIPITATION FOR THE MONTH WAS 0.16 INCHES...WHICH IS 107 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 8TH WITH 0.09
INCHES. THE 4TH HAD 0.06 INCHES AND BROKE THE 2007 RECORD OF 0.03.
THE 8TH HAD 0.09 INCHES AND BROKE 0.01 FROM 2016. THE HIGHEST WIND
GUST WAS 51 MPH FROM THE NORTHWEST ON THE 17TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             56   01/31/2024
 LOW             -37   01/27/2009
HIGHEST           43   01/29
LOWEST           -14   01/20
AVG. MAXIMUM    29.3               28.9     0.4
AVG. MINIMUM     5.8                6.0    -0.2
MEAN            17.5               17.5     0.0
DAYS MAX >= 90     0
DAYS MAX <= 32    20
DAYS MIN <= 32    31
DAYS MIN <= 0      9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.42   2008
 MINIMUM        0.00   2006
TOTALS          0.16               0.15    0.01        T
DAILY AVG.      0.01               0.00    0.01
DAYS >= .01        3
DAYS >= .10        0
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.09   01/08 TO 01/08
 STORM TOTAL    0.09


DEGREE DAYS
HEATING TOTAL   1464               1474     -10
 SINCE 7/1      3968               4670    -702
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
RESULTANT WIND SPEED/DIRECTION   2/320
HIGHEST WIND SPEED/DIRECTION    39/330    DATE  01/17
HIGHEST GUST SPEED/DIRECTION    51/320    DATE  01/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.38
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               13     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

LOOKING AHEAD TO FEBRUARY 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 8 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 43 DEGREES
AND THE AVERAGE LOW TEMPERATURE IS 18 DEGREES. THE AVERAGE MONTHLY
PRECIPITATION IS 0.12 INCHES.
$$