Climatological Report (Daily)
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720
CDUS45 KRIW 180726
CLIBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT FRI SEP 18 2026

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

...THE BUFFALO WY CLIMATE SUMMARY FOR SEPTEMBER 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76   1:19 PM  88    2013  72      4       63
  MINIMUM         52   1:55 AM  32    2003  47      5       46
  AVERAGE         64                        59      5       55

PRECIPITATION (IN)
  YESTERDAY        T             0.50 2002   0.04  -0.04     0.05
  MONTH TO DATE    0.04                      0.59  -0.55     0.67
  SINCE SEP 1      0.04                      0.59  -0.55     0.67
  SINCE JAN 1      3.58                     10.43  -6.85     9.02

DEGREE DAYS
 HEATING
  YESTERDAY        1                         7     -6       10
  MONTH TO DATE   38                        84    -46       56
  SINCE SEP 1     38                        84    -46       56
  SINCE JUL 1     56                       141    -85       97

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   53                        47      6       31
  SINCE SEP 1     53                        47      6       31
  SINCE JAN 1    675                       515    160      476
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          10:00 PM
 LOWEST     30          11:00 AM
 AVERAGE    60

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


THE BUFFALO WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        90      2021
 MINIMUM TEMPERATURE (F)   46        28      2003


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   6:49 AM MDT   SUNSET   7:11 PM MDT
SEPTEMBER 19 2026.....SUNRISE   6:51 AM MDT   SUNSET   7:10 PM MDT


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




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