Climatological Report (Daily)
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177
CDUS45 KRIW 200729
CLIBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU AUG 20 2026

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

...THE BUFFALO WY CLIMATE SUMMARY FOR AUGUST 19 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         86   3:22 PM  97    2025  83      3       97
  MINIMUM         53  12:09 AM  41    2015  56     -3       65
  AVERAGE         70                        70      0       81

PRECIPITATION (IN)
  YESTERDAY        0.00          0.18 2023   0.02  -0.02     0.00
  MONTH TO DATE    0.02                      0.48  -0.46     0.04
  SINCE JUN 1      2.23                      4.18  -1.95     3.73
  SINCE JAN 1      3.51                      9.57  -6.06     8.07

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   16                        11      5       10
  SINCE JUN 1    140                       181    -41      157
  SINCE JUL 1     16                        31    -15       29

 COOLING
  YESTERDAY        5                         6     -1       16
  MONTH TO DATE  121                       133    -12      121
  SINCE JUN 1    514                       404    110      398
  SINCE JAN 1    542                       411    131      409
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67          12:00 AM
 LOWEST     15           5:00 PM
 AVERAGE    41

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


THE BUFFALO WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        99      2025
 MINIMUM TEMPERATURE (F)   56        44      2016


SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE   6:16 AM MDT   SUNSET   8:04 PM MDT
AUGUST 21 2026........SUNRISE   6:17 AM MDT   SUNSET   8:02 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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