Climatological Report (Monthly)
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CXUS55 KRIW 161801
CLMBYG


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1101 AM MST WED JAN 16 2019

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

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/12/2017
 LOW              -24   12/21/1998
HIGHEST            59   12/17
LOWEST             -7   12/31
AVG. MAXIMUM     39.4              36.5     2.9
AVG. MINIMUM     20.0              15.2     4.8
MEAN             29.7              25.9     3.8
DAYS MAX >= 90      0
DAYS MAX <= 32     10
DAYS MIN <= 32     29
DAYS MIN <= 0       1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.54   1999
 MINIMUM         0.00   2009
TOTALS           0.10              0.40   -0.30
DAILY AVG.       0.00
DAYS >= .01         3
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.05   12/30 TO 12/30

DEGREE_DAYS
HEATING TOTAL    1086              1213    -127
 SINCE 7/1       2836              3047    -211
COOLING TOTAL       0                 0       0
 SINCE 1/1        491               492      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    45/360    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    58/320    DATE  12/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  0
  0
  0
  2
  0
  4
HAZE                      1

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

$$


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