153
CXUS55 KRIW 041914
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
103 PM MDT TUE JUN 04 2024

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 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 COLDER THAN NORMAL IN MAY...

AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN MAY WAS 36.1 DEGREES
WHICH IS 2.3 DEGREES BELOW NORMAL. THE WARMEST READING OF THE MONTH
WAS 63 DEGREES ON THE 28TH. THE COLDEST READING OF THE MONTH WAS 10
DEGREES ON THE 2ND. THE LOW ON THE 4TH  WAS 12 DEGREESAND BROKE THE
2001 RECORD OF 14 DEGREES.

TOTAL PRECIPITATION AT LAKE YELLOWSTONE WAS 2.40 INCHES...WHICH WAS
102 PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH
WAS THE 25TH-26TH WHEN 0.55 INCHES OF PRECIPITATION FELL. NO
PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND GUST WAS 46 MPH
FROM THE NORTHWEST ON THE 17TH.

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF MAY
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             78   05/28/2003
 LOW               0   05/07/2010
HIGHEST           63   05/28
LOWEST            10   05/02
AVG. MAXIMUM    46.6               50.6    -4.0
AVG. MINIMUM    25.6               26.3    -0.7
MEAN            36.1               38.4    -2.3
DAYS MAX >= 90     0
DAYS MAX <= 32     1
DAYS MIN <= 32    26
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.53   2022
 MINIMUM        0.42   2019
TOTALS          2.40               2.35    0.05     1.20
DAILY AVG.      0.09               0.08    0.01
DAYS >= .01       13
DAYS >= .10        9
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.55   05/25 TO 05/26
 STORM TOTAL    0.35

DEGREE DAYS
HEATING TOTAL    776                823     -47
 SINCE 7/1     10402              11473   -1071
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              2.9
RESULTANT WIND SPEED/DIRECTION   0/140
HIGHEST WIND SPEED/DIRECTION    17/280    DATE  05/07
HIGHEST GUST SPEED/DIRECTION    46/290    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     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 JUNE 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 56 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 31 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 68
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 36 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 2.38 INCHES.

$$