750
CXUS55 KRIW 011519
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
919 AM MDT WED JUL 01 2026

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

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            102   06/30/1990
                       06/24/1988
 LOW              25   06/10/2019
HIGHEST           96   06/06
LOWEST            30   06/15
AVG. MAXIMUM    81.0               79.6     1.4
AVG. MINIMUM    44.7               45.4    -0.7
MEAN            62.8               62.5     0.3
DAYS MAX >= 90     5
DAYS MAX <= 32     0
DAYS MIN <= 32     1
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.71   2003
 MINIMUM        0.03   1956
TOTALS          0.55               1.34   -0.79     0.53
DAILY AVG.      0.02               0.04   -0.02
DAYS >= .01        4
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.48   06/25 TO 06/25
 STORM TOTAL    0.48

SNOWFALL (INCHES)
TOTALS           0.0                0.1    -0.1
SINCE 7/1       30.1               71.8   -41.7
SNOWDEPTH AVG.     0
DAYS >= 1.0        0

DEGREE DAYS
HEATING TOTAL     92                126     -34
 SINCE 7/1      5840               7487   -1647
COOLING TOTAL     35                 51     -16
 SINCE 1/1        36                 55     -19
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
RESULTANT WIND SPEED/DIRECTION   3/260
HIGHEST WIND SPEED/DIRECTION    54/240    DATE  06/20
HIGHEST GUST SPEED/DIRECTION    81/240    DATE  06/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     47

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$