Climatological Report (Monthly)
Issued by NWS
Issued by NWS
317
CXUS55 KRIW 021905
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1149 AM MST MON NOV 02 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER FOR THE MONTH OF
OCTOBER 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 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 DRIER THAN NORMAL IN OCTOBER....
THE AVERAGE TEMPERATURE FOR LANDER IN OCTOBER WAS 51.7 DEGREES WHICH
WAS 6.3 DEGREES ABOVE NORMAL. IT WAS THE SEVENTH WARMEST OCTOBER ON
RECORD. THE WARMEST READING FOR THE MONTH WAS 85 DEGREES ON THE 5TH
AND BROKE THE 1958 RECORD OF 82. THE 6TH HIGH OF 83 TIED 1975. THE
9TH HIGH OF 81 TIED 2003. THE COLDEST TEMPERATURE WAS 29 DEGREES ON
THE 25TH AND 29TH.
PRECIPITATION FOR THE MONTH WAS 0.86 INCHES...WHICH IS 61 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 13TH -14THWITH 0.41
INCHES OF PRECIPITATION. NO PRECIPITATION RECORDS WERE BROKEN THIS
MONTH. THE HIGHEST WIND GUST WAS 63 MPH AND OCCURRED ON THE 23RD
FROM THE SOUTHWEST.
...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 86 10/03/2010
LOW -14 10/29/1917
HIGHEST 85 10/05
LOWEST 29 10/25
10/29
AVG. MAXIMUM 63.8 58.9 4.9
AVG. MINIMUM 39.6 32.0 7.6
MEAN 51.7 45.4 6.3
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 6
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.90 1994
MINIMUM 0.00 1988
TOTALS 0.86 1.40 -0.54 1.49
DAILY AVG. 0.03 0.05 -0.02
DAYS >= .01 5
DAYS >= .10 5
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.41 10/13 TO 10/14
STORM TOTAL 0.26
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 407 607 -200
SINCE 7/1 499 842 -343
COOLING TOTAL 4 1 3
SINCE 1/1 718 485 233
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 5.4
RESULTANT WIND SPEED/DIRECTION 1/260
HIGHEST WIND SPEED/DIRECTION 46/220 DATE 10/23
HIGHEST GUST SPEED/DIRECTION 63/230 DATE 10/23
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO NOVEMBER 2026. 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 MONTHLY SNOWFALL IS 10.6
INCHES.
$$