Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 011820
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1103 AM MST WED FEB 01 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF JANUARY 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2023 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 COLDER AND DRIER THAN NORMAL IN JANUARY...
AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN JANUARY WAS 10.1 DEGREES
WHICH WAS 1.9 DEGREES BELOW NORMAL. THE WARMEST READING OF THE MONTH
WAS 32 DEGREES ON THE 14TH. THE 10TH HIGH OF 31 DEGREES TIED 2015.
THE COLDEST READING WAS 42 DEGREES BELOW ZERO ON THE 30TH...WHICH
BROKE THE 2002 RECORD OF 29 BELOW. IT ALSO SET A NEW ALL-TIME
MONTHLY LOW FOR JANUARY. THE 29TH HIT 34 BELOW AND BROKE THE 2019
RECORD OF 23 BELOW. THE 31ST HIT 29 BELOW AND BROKE THE 2000 RECORD
OF 22 BELOW ZERO.
TOTAL PRECIPITATION AT LAKE YELLOWSTONE WAS 1.53 INCHES... WHICH WAS
85 PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH
WAS THE 11TH WHEN 0.32 INCHES OF PRECIPITATION FELL. THE 27TH HAD
0.28 INCHES WHICH BROKE THE 2003 RECORD OF 0.23. THE HIGHEST WIND
GUST WAS 24 MPH FROM THE SOUTHWEST ON THE 8TH.
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY
2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 42 01/27/2015
01/20/2005
01/16/1974
LOW -42 01/30/2023
HIGHEST 32 01/14
LOWEST -42R 01/30
AVG. MAXIMUM 20.1 23.0 -2.9
AVG. MINIMUM 0.2 1.0 -0.8
MEAN 10.1 12.0 -1.9
DAYS MAX >= 90 0
DAYS MAX <= 32 30
DAYS MIN <= 32 30
DAYS MIN <= 0 15
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.81 2020
MINIMUM 0.14 2009
TOTALS 1.53 1.80 -0.27 1.15
DAILY AVG. 0.05 0.06 -0.01
DAYS >= .01 15
DAYS >= .10 5
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.32 01/11 TO 01/11
STORM TOTAL 0.32
DEGREE DAYS
HEATING TOTAL 1640 1643 -3
SINCE 7/1 6460 6762 -302
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 0.7
RESULTANT WIND SPEED/DIRECTION 0/100
HIGHEST WIND SPEED/DIRECTION 13/270 DATE 01/08
HIGHEST GUST SPEED/DIRECTION 24/240 DATE 01/08
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 83
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 0 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 9 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 FEBRUARY 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 23 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 0 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 30 DEGREES
AND THE AVERAGE LOW TEMPERATURE IS 3 DEGREES. THE AVERAGE MONTHLY
PRECIPITATION IS 1.70 INCHES.
$$