Climatological Report (Monthly)
Issued by NWS
Issued by NWS
716
CXUS55 KRIW 031756 CCA
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1045 AM MST MON NOV 03 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER FOR THE MONTH OF
OCTOBER 2025...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2025 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 OCTOBER....
THE AVERAGE TEMPERATURE FOR LANDER IN OCTOBER WAS 47.4 DEGREES WHICH
WAS 2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 83
DEGREES ON THE 3RD. THE COLDEST TEMPERATURE WAS 19 DEGREES ON THE
28TH. NO TEMPERATURE RECORDS WERE BROKEN THIS MONTH.
PRECIPITATION FOR THE MONTH WAS 1.49 INCHES...WHICH IS 106 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 4TH-5TH WHEN 0.65
INCHES OF PRECIPITATION FELL. NO PRECIPITATION OR SNOWFALL RECORDS
WERE BROKEN THIS MONTH.
THE SNOWFALL FOR THE MONTH WAS JUST A TRACE. NORMAL SNOWFALL FOR
OCTOBER IS 10.5 INCHES. THE 5TH AND THE 18TH BOTH RECEIVED A TRACE.
THE HIGHEST WIND GUST WAS 49 MPH AND OCCURRED ON THE 26TH FROM THE
WEST.
...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 86 10/03/2010
LOW -14 10/29/1917
HIGHEST 83 10/03
LOWEST 19 10/28
AVG. MAXIMUM 60.5 58.9 1.6
AVG. MINIMUM 34.2 32.0 2.2
MEAN 47.4 45.4 2.0
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 12
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.90 1994
MINIMUM 0.00 1988
TOTALS 1.49 1.40 0.09 1.45
DAILY AVG. 0.05 0.05 0.00
DAYS >= .01 8
DAYS >= .10 3
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.65 10/04 TO 10/05
STORM TOTAL 0.52
SNOWFALL (INCHES)
TOTALS T 10.5 -10.5
SINCE 7/1 T 12.0 -12.0
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 538 607 -69
SINCE 7/1 642 842 -200
COOLING TOTAL 0 1 -1
SINCE 1/1 569 485 84
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.1
RESULTANT WIND SPEED/DIRECTION 2/260
HIGHEST WIND SPEED/DIRECTION 36/170 DATE 10/11
HIGHEST GUST SPEED/DIRECTION 49/260 DATE 10/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.17
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 4
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO NOVEMBER 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 52 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 26 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 37
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 14. THE AVERAGE MONTHLY
PRECIPITATION IS 0.78 INCHES. THE AVERAGE SNOWFALL IS 10.6 INCHES.
$$