469
CDUS45 KRIW 130727
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED MAY 13 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR MAY 12 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 78 5:27 PM 86 1960 65 13 82
MINIMUM 47 3:05 AM 19 1953 38 9 52
AVERAGE 63 51 12
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 1935 0.10 -0.10 0.00
MONTH TO DATE 0.35 1.06 -0.71 1.24
SINCE MAR 1 2.74 4.42 -1.68 6.84
SINCE JAN 1 3.15 5.63 -2.48 7.92
SNOWFALL (IN)
YESTERDAY 0.0 4.7 1980 0.1 -0.1 0.0
MONTH TO DATE 3.7 3.0 0.7 3.4
SINCE MAR 1 21.1 33.8 -12.7 48.7
SINCE JUL 1 29.3 86.0 -56.7 79.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 14 -12 0
MONTH TO DATE 138 190 -52 130
SINCE MAR 1 1260 1741 -481 1589
SINCE JUL 1 5343 7392 -2049 6618
COOLING
YESTERDAY 0 0 0 2
MONTH TO DATE 0 0 0 4
SINCE MAR 1 1 0 1 4
SINCE JAN 1 1 0 1 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.5
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 54 6:00 AM
LOWEST 22 5:00 PM
AVERAGE 38
......................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 86 1988
2001
2013
MINIMUM TEMPERATURE (F) 39 25 1933
SUNRISE AND SUNSET
MAY 13 2026...........SUNRISE 5:54 AM MDT SUNSET 8:29 PM MDT
MAY 14 2026...........SUNRISE 5:53 AM MDT SUNSET 8:30 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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