624
CDUS45 KRIW 150728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON JUN 15 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 14 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 4:11 PM 99 2021 79 -12 92
MINIMUM 39 11:57 PM 30 1969 45 -6 54
AVERAGE 53 62 -9
PRECIPITATION (IN)
YESTERDAY 0.00 2.14 1982 0.04 -0.04 T
MONTH TO DATE T 0.70 -0.70 0.50
SINCE JUN 1 T 0.70 -0.70 0.50
SINCE JAN 1 3.65 6.21 -2.56 5.42
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2021 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 29.6 71.8 -42.2 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 4 8 0
MONTH TO DATE 59 84 -25 69
SINCE JUN 1 59 84 -25 69
SINCE JUL 1 5807 7444 -1637 7000
COOLING
YESTERDAY 0 1 -1 8
MONTH TO DATE 14 13 1 19
SINCE JUN 1 14 13 1 19
SINCE JAN 1 15 17 -2 19
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 3:00 AM
LOWEST 30 5:00 PM
AVERAGE 58
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 101 2021
MINIMUM TEMPERATURE (F) 45 35 1945
SUNRISE AND SUNSET
JUNE 15 2026..........SUNRISE 5:26 AM MDT SUNSET 8:47 PM MDT
JUNE 16 2026..........SUNRISE 5:26 AM MDT SUNSET 8:47 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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