380
CXUS55 KRIW 082203 RRA
CLAP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
208 PM MST WED JAN 08 2025

...PRELIMINARY ANNUAL CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR
2024...

ANNUAL: PERIOD OF RECORD IS 26 YEARS (1998-PRESENT)

...3RD WARMEST YEAR AT 34.2 DEGREES (TIED WITH 2016)
...8TH DRIEST YEAR WITH 19.71 INCHES

...MONTHLY TEMPERATURES: 4TH WARMEST FEBRUARY, 7TH WARMEST APRIL,
6TH COLDEST MAY, 4TH WARMEST JUNE, 10TH WARMEST AUGUST, 4TH WARMEST
SEPTEMBER, 2ND WARMEST OCTOBER, 10TH COLDEST NOVEMBER AND 1ST
WARMEST DECEMBER.

...MONTHLY PRECIPITATION: 5TH DRIEST JANUARY, 3RD WETTEST FEBRUARY,
2ND WETTEST MARCH, 6TH DRIEST APRIL, 9TH DRIEST JUNE, 7TH DRIEST
JULY, 3RD DRIEST OCTOBER, 5TH DRIEST NOVEMBER AND 9TH DRIEST
DECEMBER.


...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             86   07/14/2002
                       08/01/2000
                       07/31/2000
 LOW             -42   01/30/2023
HIGHEST           84                 MM
LOWEST           -33                 MM
AVG. MAXIMUM    47.3                        2.2
AVG. MINIMUM    21.1                        2.2
MEAN            34.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       33.75   2017
 MINIMUM        4.26   1998
TOTALS         19.71              23.09   -3.38


DEGREE DAYS
HEATING TOTAL  10792
COOLING TOTAL      0
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    24/290    DATE  06/14
HIGHEST GUST SPEED/DIRECTION    46/290    DATE  05/17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               47     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW              103     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$