Climatological Report (Monthly)
Issued by NWS Riverton, WY

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CXUS55 KRIW 020130
CLMRIW

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

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON FOR THE MONTH OF
JANUARY 2024...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2024 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

...RIVERTON WAS COLDER AND WETTER THAN NORMAL IN JANUARY....

THE AVERAGE TEMPERATURE FOR RIVERTON IN JANUARY WAS 15.1 DEGREES
WHICH WAS 4.1 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE
MONTH WAS 45 DEGREES ON THE 29TH. THE COLDEST READING WAS 27 DEGREES
BELOW ZERO ON THE 13TH. THIS BROKE THE 2013 RECORD OF -13. THE 12TH
LOW OF 14 BELOW BROKE 13 BELOW FROM 2007…AND THE LOW OF 19 BELOW ON
THE 14TH BROKE THE 2007 RECORD OF 15 BELOW ZERO.

PRECIPITATION FOR THE MONTH WAS 0.36 INCHES...WHICH IS 124 PERCENT
OF NORMAL. THE WETTEST 24-HOURS WAS THE 11TH-12TH WHEN 0.16 INCHES
FELL. THE 12TH HAD 0.15 AND BROKE THE 2009 RECORD OF 0.02 INCHES.

SNOWFALL FOR THE MONTH WAS 3.2 INCHES. THE SNOWIEST 24-HOUR PERIOD
WAS THE 11-12TH WITH 1.5 INCHES OF SNOW. THE 12TH HAD 0.8 INCHES AND
BROKE THE 1997 RECORD OF 0.7. THE HIGHEST WIND GUST WAS 34 MPH AND
OCCURRED ON THE 10TH FROM THE WEST.

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             63   01/01/1997
                       01/01/1997
 LOW             -31   01/31/2023
HIGHEST           45   01/29
LOWEST           -27   01/13
AVG. MAXIMUM    25.5               30.6    -5.1
AVG. MINIMUM     4.6                7.9    -3.3
MEAN            15.1               19.2    -4.1
DAYS MAX >= 90     0
DAYS MAX <= 32    21
DAYS MIN <= 32    31
DAYS MIN <= 0      8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.46   2023
 MINIMUM        0.01   1999
TOTALS          0.36               0.29    0.07     1.46
DAILY AVG.      0.01               0.01    0.00
DAYS >= .01        6
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.16   01/12 TO 01/13
 STORM TOTAL    0.15

SNOWFALL (INCHES)
TOTALS           3.2                 MM      MM
SINCE 7/1       22.8                 MM      MM
SNOWDEPTH AVG.     1
DAYS >= 1.0        0

DEGREE DAYS
HEATING TOTAL   1540               1418     122
 SINCE 7/1      4503               4723    -220
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
RESULTANT WIND SPEED/DIRECTION   1/290
HIGHEST WIND SPEED/DIRECTION    29/280    DATE  01/10
HIGHEST GUST SPEED/DIRECTION    34/280    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.23
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     74

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                1     SNOW                       2
LIGHT SNOW                8     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      3
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

LOOKING AHEAD TO JANUARY 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 7 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 32 DEGREES
AND THE AVERAGE LOW TEMPERATURE IS 9. THE AVERAGE MONTHLY
PRECIPITATION IS 0.29 INCHES.

$$


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