Climatological Report (Daily)
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374
CDUS45 KRIW 150735
CLIBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT TUE SEP 15 2026

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

...THE BUFFALO WY CLIMATE SUMMARY FOR SEPTEMBER 14 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         68   2:29 PM  91    2020  73     -5       75
  MINIMUM         48  11:59 PM  33    2007  48      0       48
  AVERAGE         58                        61     -3       62

PRECIPITATION (IN)
  YESTERDAY        T             0.68 2013   0.03  -0.03     0.00
  MONTH TO DATE    0.04                      0.47  -0.43     0.24
  SINCE SEP 1      0.04                      0.47  -0.43     0.24
  SINCE JAN 1      3.58                     10.31  -6.73     8.59

DEGREE DAYS
 HEATING
  YESTERDAY        7                         6      1        3
  MONTH TO DATE   21                        64    -43       32
  SINCE SEP 1     21                        64    -43       32
  SINCE JUL 1     39                       121    -82       73

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   53                        42     11       31
  SINCE SEP 1     53                        42     11       31
  SINCE JAN 1    675                       510    165      476
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    15.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           6:00 AM
 LOWEST     22           5:00 PM
 AVERAGE    58

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


THE BUFFALO WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      2018
 MINIMUM TEMPERATURE (F)   48        36      2004


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   6:46 AM MDT   SUNSET   7:17 PM MDT
SEPTEMBER 16 2026.....SUNRISE   6:47 AM MDT   SUNSET   7:15 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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