Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 010856
CLMLND


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
254 AM MDT SUN OCT 1 2017

...................................

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              95   09/05/2013
 LOW                7   09/22/1895
HIGHEST            MM
LOWEST             MM
AVG. MAXIMUM       MM              72.8      MM
AVG. MINIMUM       MM              44.4      MM
MEAN               MM              58.6      MM
DAYS MAX >= 90     MM
DAYS MAX <= 32     MM
DAYS MIN <= 32     MM
DAYS MIN <= 0      MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.64   1923
 MINIMUM            T   2010
                        1932
                        1914
TOTALS             MM              1.05      MM
DAILY AVG.         MM              0.04      MM
DAYS >= .01        MM
DAYS >= .10        MM
DAYS >= .50        MM
DAYS >= 1.00       MM
GREATEST
 24 HR. TOTAL      MM

SNOWFALL (INCHES)
TOTALS             MM               2.7      MM
SINCE 7/1         0.0               2.7    -2.7
SNOWDEPTH AVG.     MM
DAYS >= 1.0        MM

DEGREE_DAYS
HEATING TOTAL      MM               219      MM
 SINCE 7/1         MM               259      MM
COOLING TOTAL      MM                27      MM
 SINCE 1/1      10291               472    9819
.................................................

WIND (MPH)
AVERAGE WIND SPEED              MM
RESULTANT WIND SPEED/DIRECTION  MM
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    MM        DATE   MM

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

AVERAGE RH (PERCENT)    MM

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             MM     MIXED PRECIP              MM
HEAVY RAIN               MM     RAIN                      MM
LIGHT RAIN               MM     FREEZING RAIN             MM
LT FREEZING RAIN         MM     HAIL                      MM
HEAVY SNOW               MM     SNOW                      MM
LIGHT SNOW               MM     SLEET                     MM
FOG                      MM     FOG W/VIS <= 1/4 MILE     MM
HAZE                     MM

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

$$



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