Climatological Report (Monthly)
Issued by NWS
Issued by NWS
950
CXUS55 KRIW 031846
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 PM MDT MON AUG 03 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER FOR THE MONTH OF
JULY 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 2026 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
...LANDER WAS WARMER AND WETTER THAN NORMAL IN JULY....
THE AVERAGE TEMPERATURE FOR LANDER IN JULY WAS 76.5 DEGREES WHICH
WAS 5 DEGREES ABOVE NORMAL. IT WAS THE WARMEST JULY ON RECORD. THE
WARMEST READING FOR THE MONTH WAS 102 DEGREES ON THE 12TH. THIS
BROKE THE 1999 DAILY RECORD OF 99. IT ALSO TIED THE ALL-TIME RECORD
HIGH FOR JULY AND FOR THE YEAR PREVIOUSLY SET IN 1935. THE 20TH HIT
98 DEGREES AND TIED 1960 AND 2005. THE 25TH HIGH OF 99 BROKE 97 FROM
1933, 1945 AND 2011. THE 26TH HIT 99 DEGREES AND BROKE 98 FROM 2021.
THE COLDEST TEMPERATURE WAS 47 DEGREES ON THE 3RD.
PRECIPITATION FOR THE MONTH WAS 0.62 INCHES...WHICH IS 105 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 21ST-22ND...WITH 0.51
INCHES OF PRECIPITATION. NO PRECIPITATION RECORDS WERE BROKEN THIS
MONTH. THE HIGHEST WIND GUST WAS 54 MPH AND OCCURRED ON THE 7TH FROM
THE WEST.
...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 102 07/27/1935
LOW 32 07/03/1931
HIGHEST 102R 07/12
LOWEST 47 07/03
AVG. MAXIMUM 92.1 87.7 4.4
AVG. MINIMUM 61.0R 55.2 5.8
MEAN 76.5R 71.5 5.0
DAYS MAX >= 90 22
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.00 1896
MINIMUM T 2016
TOTALS 0.62 0.59 0.03 0.28
DAILY AVG. 0.02 0.02 0.00
DAYS >= .01 3
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.51 07/21 TO 07/22
STORM TOTAL 0.39
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 0 14 -14
SINCE 7/1 0 9 -9
COOLING TOTAL 365 214 151
SINCE 1/1 425 278 147
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.7
RESULTANT WIND SPEED/DIRECTION 2/270
HIGHEST WIND SPEED/DIRECTION 38/270 DATE 07/07
HIGHEST GUST SPEED/DIRECTION 54/270 DATE 07/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.08
NUMBER OF DAYS FAIR 29
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 38
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 11 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 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO AUGUST 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 89 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 57 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 82
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 50. THE AVERAGE MONTHLY
PRECIPITATION IS 0.52 INCHES.
$$