National Weather Service Weather Forecast Office

...UNSEASONABLY COOL JULY TEMPERATURES ACROSS MUCH OF WYOMING EAST
OF THE CONTINENTAL DIVIDE ON WEDNESDAY...

ON WEDNESDAY JULY 29TH...CASPER TIED THE 5TH COLDEST MAXIMUM HIGH
TEMPERATURE EVER RECORDED FOR A DAY IN JULY AS THE HIGH TEMPERATURE
WAS ONLY 60 AT THE CASPER AIRPORT. THE LAST TIME THIS HAPPENED WAS
IN 1992. THIS ALSO TIED THE SECOND COLDEST HIGH TEMPERATURE EVER
RECORDED FOR THE SECOND HALF OF JULY...JULY 15TH THROUGH THE
31ST...WHICH IS CLIMATOLOGICALLY ONE OF THE HOTTEST TIMES OF THE
SUMMER SEASON. THE LAST TIME THIS OCCURRED WAS IN 1978.

CPR LOWEST MAX JULY TEMP (F)   DATE (1934-2009)
1)     54 DEGREES                    7-13-1952
         54 DEGREES                    7-11-1951
3)     55 DEGREES                    7-02-1972
4)     58 DEGREES                    7-20-1973
5)     60 DEGREES                    7-29-2009
         60 DEGREES                    7-12-1992
         60 DEGREES                    7-21-1978
         60 DEGREES                    7-25-1971
9)     61 DEGREES                    7-19-1973
         61 DEGREES                    7-03-1972


ALSO ON WEDNESDAY JULY 29TH...RIVERTON TIED THE 5TH COLDEST HIGH
TEMPERATURE EVER RECORDED FOR ANY DAY IN JULY AS THE HIGH
TEMPERATURE WAS ONLY 62. THE LAST TIME THIS OCCURRED WAS BACK
IN 1936. THIS WAS ALSO THE SECOND COLDEST HIGH TEMPERATURE EVER
RECORDED FOR THE SECOND HALF OF JULY.

RIW LOWEST MX JULY TEMP (F)    DATE  (1907-2009)
1)     53 DEGREES                     7-03-1992
2)     57 DEGREES                     7-11-1951
3)     59 DEGREES                     7-21-1973
4)     61 DEGREES                     7-12-1951
5)     62 DEGREES                     7-29-2009
         62 DEGREES                     7-12-1936
         62 DEGREES                     7-09-1922
8)     63 DEGREES                     7-04-1972
         63 DEGREES                     7-14-1952
10)   64 DEGREES                     7-13-1992
         64 DEGREES                     7-22-1978

THE HIGH TEMPERATURE OF 58 RECORDED AT THE LANDER AIRPORT TIED FOR
5TH COLDEST EVER IN JULY WHICH LAST OCCURRED IN 1978. THIS TIED THE
COLDEST HIGH EVER FOR THE SECOND HALF OF JULY WHICH LAST OCCURRED IN
1978.

LND LOWEST MX JULY TEMP (F)    DATE  (1946-2009)
1)     52 DEGREES                     7-11-1951
2)     55 DEGREES                     7-13-1952
         55 DEGREES                     7-10-1951
4)     57 DEGREES                     7-02-1972
5)     58 DEGREES                     7-29-2009
         58 DEGREES                     7-21-1978
7)     59 DEGREES                     7-23-2009
8)     60 DEGREES                     7-12-1992
         60 DEGREES                     7-20-1973
10)    61 DEGREES                     7-03-1972