National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KRIW 020125
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
527 PM MST THU FEB 01 2024

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF JANUARY 2024...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 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 JANUARY...

AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN JANUARY WAS 13.3 DEGREES
WHICH IS 1.3 DEGREE ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 41 DEGREES ON THE 29TH. THE COLDEST READING OF THE MONTH WAS ON
THE 13TH  WITH 33 DEGREES BELOW ZERO. THERE WERE SEVERAL TEMPERATURE
RECORDS BROKEN:

      DATE   NEW      OLD   YEAR
LOW   13TH   -33      -20   2013

HIGH  22ND   34 TIE    34   2005
      28TH   35 TIE    35   2016
      29TH   41        35   2018
      30TH   34 TIE    34   2018
      31ST   37 TIE    37   2003

TOTAL PRECIPITATION AT LAKE YELLOWSTONE WAS 1.18 INCHES... WHICH WAS
66 PERCENT OF NORMAL.THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS
THE 10TH WHEN 0.30 INCHES OF PRECIPITATION FELL. NO PRECIPITATION
RECORDS WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 35 MPH
FROM THE NORTHWEST ON THE 12TH.

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY
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             42   01/27/2015
                       01/20/2005
                       01/16/1974
 LOW             -42   01/30/2023
HIGHEST           41   01/29
LOWEST           -33   01/13
AVG. MAXIMUM    23.8               23.0     0.8
AVG. MINIMUM     2.8                1.0     1.8
MEAN            13.3               12.0     1.3
DAYS MAX >= 90     0
DAYS MAX <= 32    24
DAYS MIN <= 32    31
DAYS MIN <= 0     13

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.81   2020
 MINIMUM        0.14   2009
TOTALS          1.18               1.80   -0.62     1.53
DAILY AVG.      0.04               0.06   -0.02
DAYS >= .01       18
DAYS >= .10        4
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.30   01/10 TO 01/10
 STORM TOTAL    0.30


DEGREE DAYS
HEATING TOTAL   1596               1643     -47
 SINCE 7/1      6113               6762    -649
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              1.4
RESULTANT WIND SPEED/DIRECTION   0/100
HIGHEST WIND SPEED/DIRECTION    17/280    DATE  01/12
                                17/300          01/09
HIGHEST GUST SPEED/DIRECTION    35/310    DATE  01/12

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)     79

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                       0
LIGHT SNOW               18     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 2024. 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.

$$