Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011132
CLMCPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
524 AM MDT MON JUN 1 2020

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

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              95   05/29/2003
 LOW               16   05/12/1953
HIGHEST            91   05/31
LOWEST             22   05/08
AVG. MAXIMUM     69.8              67.1     2.7
AVG. MINIMUM     36.3              37.2    -0.9
MEAN             53.0              52.2     0.8
DAYS MAX >= 90      1
DAYS MAX <= 32      0
DAYS MIN <= 32     10
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.46   1978
 MINIMUM         0.30   1966
TOTALS           0.30R             2.02   -1.72
DAILY AVG.       0.01              0.07   -0.06
DAYS >= .01         6
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.15   05/04 TO 05/04

SNOWFALL (INCHES)
TOTALS              T               2.9    -2.9
SINCE 7/1       107.2              74.8    32.4
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL     378               402     -24
 SINCE 7/1       7679              7444     235
COOLING TOTAL      13                 4       9
 SINCE 1/1         13                 4       9
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.0
RESULTANT WIND SPEED/DIRECTION   1/254
HIGHEST WIND SPEED/DIRECTION    44/220    DATE  05/21
HIGHEST GUST SPEED/DIRECTION    59/230    DATE  05/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  2
  0
  1
  0
  0
  3
HAZE                      1

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

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