Climatological Report (Monthly)
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
000
CXUS55 KRIW 010939
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
201 AM MDT MON JUN 1 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS-SWEETWATER
COUNTY AIRPORT FOR THE MONTH OF MAY 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2015 WILL BE
AVAILABLE APPROXIMATELY IN JULY 2015 FROM THE NATIONAL CLIMATIC
DATA CENTER (WWW.NCDC.NOAA.GOV). UNOFFICIAL ASOS DAILY SUMMARIES ARE
ONLINE AT WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW..

...ROCK SPRINGS WAS COOLER AND MUCH WETTER THAN NORMAL IN MAY...

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN MAY WAS 48.5
DEGREES...WHICH WAS 2.3 DEGREES BELOW NORMAL. THE WARMEST READING FOR
THE MONTH WAS 80 DEGREES ON THE 31ST. THE COLDEST READING OF THE
MONTH WAS 29 DEGREES ON THE 10TH AND 11TH. ON THE 2ND A DAILY RECORD
WARMEST LOW OF 44 DEGREES OCCURRED. THERE WERE NO OTHER TEMPERATURE
RECORDS DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 3.10 INCHES...WHICH WAS 256
PERCENT OF NORMAL. THIS MAKES IT THE 5TH WETTEST MAY ON
RECORD...WITH THE WETTEST OCCURRING IN 1995...WHEN 3.67 INCHES OF
PRECIPITATION FELL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON
THE 18TH AND 19TH WHEN 0.87 OF AN INCH OF PRECIPITATION FELL. A NEW
DAILY RECORD PRECIPITATION OF 0.48 INCHES OCCURRED ON THE 18TH. THE
HIGHEST WIND GUST WAS 56 MPH ON THE 15TH.


...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              90   05/31/2002
 LOW               18   05/07/2010
                        05/05/2010
                        05/02/1954
HIGHEST            80   05/31
LOWEST             29   05/11
                        05/10
AVG. MAXIMUM     58.9              63.8    -4.9
AVG. MINIMUM     38.1              37.7     0.4
MEAN             48.5              50.8    -2.3
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      5
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.67   1995
 MINIMUM         0.00   1974
                        1969
TOTALS           3.10              1.21    1.89
DAILY AVG.       0.10              0.04    0.06
DAYS >= .01        17
DAYS >= .10        10
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.87   05/18 TO 05/19

DEGREE_DAYS
HEATING TOTAL     507               443      64
 SINCE 7/1       7065              7975    -910
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   2/130
HIGHEST WIND SPEED/DIRECTION    44/280    DATE  05/03
HIGHEST GUST SPEED/DIRECTION    56/240    DATE  05/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             15     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      11
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                6     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
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 2015...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 69 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 41 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 81
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 50 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.79 INCHES.

$$







USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.