Climatological Report (Monthly)
Issued by NWS
Issued by NWS
508
CXUS55 KRIW 011749
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1116 AM MDT FRI NOV 01 2024
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF OCTOBER 2024...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2024 WILL BE
AVAILABLE APPROXIMATELY IN 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
...LAKE YELLOWSTONE WAS WARMER AND DRIER THAN NORMAL IN OCTOBER
AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN OCTOBER WAS 40 DEGREES
WHICH IS 6.4 DEGREES ABOVE NORMAL. IT WAS THE 2ND WARMEST OCTOBER
SINCE RECORDS BEGAN IN 1998. THE WARMEST READING OF THE MONTH WAS 69
DEGREES ON THE 4TH. THIS BROKE THE 2020 RECORD OF 65 DEGREES.
ADDITIONAL RECORD HIGHS ARE LISTED BELOW. COLDEST READING OF THE
MONTH WAS 11 DEGREES ON THE 31ST. THE LOW ON THE 1ST OF 22 DEGREES
TIED THE 2002 AND 2021 RECORDS.
DATE NEWOLD YEAR
8TH 65 (TIE)65 2020
9TH 66 65 2015
11TH 64 61 2012
12TH 63 62 2015
13TH 65 62 2015
14TH 67 63 2015
19TH 65 60 2005
27TH 57 (TIE)57 2016
TOTAL PRECIPITATION AT LAKE YELLOWSTONE WAS 0.60 INCHES...WHICH WAS
24 PERCENT OF NORMAL. IT WAS THE 3RD DRIEST OCTOBER SINCE RECORDS
BEGAN IN 1998. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS THE
17TH-18TH WHEN 0.24 INCHES OF PRECIPITATION FELL. NO PRECIPITATION
RECORDS WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 32 MPH
FROM THE SOUTHWEST ON THE 4TH.
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER
2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 74 10/02/2010
LOW -16 10/26/2020
HIGHEST 69 10/04
LOWEST 11 10/31
AVG. MAXIMUM 55.1 45.5 9.6
AVG. MINIMUM 24.8 21.8 3.0
MEAN 40.0 33.6 6.4
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 30
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.78 2016
MINIMUM 0.36 1998
TOTALS 0.60 1.85 -1.25 2.62
DAILY AVG. 0.02 0.06 -0.04
DAYS >= .01 6
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.24 10/17 TO 10/18
STORM TOTAL 0.21
DEGREE DAYS
HEATING TOTAL 742 972 -230
SINCE 7/1 1798 2201 -403
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 2.5
RESULTANT WIND SPEED/DIRECTION 1/090
HIGHEST WIND SPEED/DIRECTION 16/260 DATE 10/04
HIGHEST GUST SPEED/DIRECTION 32/250 DATE 10/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 31
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 0 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 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 38 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 16 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 26
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 6 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 2.06 INCHES.
$$