449
CDUS45 KRIW 170727
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN MAY 17 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR MAY 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 1:35 PM 86 1988 66 9 62
2012
MINIMUM 40 5:45 AM 21 1896 40 0 32
AVERAGE 58 53 5
PRECIPITATION (IN)
YESTERDAY 0.00 1.58 1952 0.10 -0.10 0.00
MONTH TO DATE 0.35 1.43 -1.08 1.34
SINCE MAR 1 2.74 4.79 -2.05 6.94
SINCE JAN 1 3.15 6.00 -2.85 8.02
SNOWFALL (IN)
YESTERDAY 0.0 3.2 1968 0.1 -0.1 0.0
MONTH TO DATE 3.7 3.6 0.1 3.4
SINCE MAR 1 21.1 34.4 -13.3 48.7
SINCE JUL 1 29.3 86.6 -57.3 79.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 12 -5 18
MONTH TO DATE 153 241 -88 189
SINCE MAR 1 1275 1792 -517 1648
SINCE JUL 1 5358 7443 -2085 6677
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 4
SINCE MAR 1 3 0 3 4
SINCE JAN 1 3 0 3 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 37 7:00 AM
LOWEST 10 2:00 PM
AVERAGE 24
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 86 1948
MINIMUM TEMPERATURE (F) 40 23 1910
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:50 AM MDT SUNSET 8:33 PM MDT
MAY 18 2026...........SUNRISE 5:49 AM MDT SUNSET 8:34 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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