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000
CXUS55 KRIW 111852
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1252 PM MDT SUN JUN 11 2023

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

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/29/2003
 LOW              20   05/09/2002
HIGHEST           89   05/22
LOWEST            35   05/07
AVG. MAXIMUM    77.5               70.4     7.1
AVG. MINIMUM    47.3               43.6     3.7
MEAN            62.4               57.0     5.4
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.32   2010
 MINIMUM        0.19   2001
TOTALS          0.53               1.33   -0.80     0.95
DAILY AVG.      0.02               0.04   -0.02
DAYS >= .01        7
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.31   05/26 TO 05/26
 STORM TOTAL    0.31

DEGREE DAYS
HEATING TOTAL    104                271    -167
 SINCE 7/1      7692               7486     206
COOLING TOTAL     33                 23      10
 SINCE 1/1        33                 24       9
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   3/330
HIGHEST WIND SPEED/DIRECTION    39/320    DATE  05/26
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  05/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.25
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     50

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$