Jun 032009
 
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There are three(3) things below that bear reading. First is the NWS May summary for Flagstaff. It was quite warm…until the end. In the end we had record breaking rain and cold.   Quite an interesting month… a quandry!

Below are temperature graphs for the month. They are self-explanatory.

It appears the trend will continue into June. Maybe not as wet, but probably more clouds than usual. Phantom Ranch had a record low temperature, yesterday.

NOUS45 KFGZ 011742
PNSFGZ

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1042 AM MST MON JUN 1 2009

…A MAY THAT STARTED AS ONE OF THE WARMEST MAYS ON RECORD ALSO
TURNED INTO ONE OF THE WETTEST…

THE FIRST 15 DAYS OF MAY SET A PACE FOR THE MONTH TO BE ONE OF THE
WARMEST ON RECORD WITH AN AVERAGE TEMPERATURE OF 56.8 DEGREES. A
LARGE PLUME OF MOISTURE THEN MOVED OVER THE AREA AND THE RECORD
SETTING PACE WAS SLOWED DUE TO THE PASSAGE OF SEVERAL WEAK LOW
PRESSURE SYSTEMS AND INCREASED CLOUD COVER. STARTING ON THE
18TH…THE FLAGSTAFF AIRPORT RECORDED PRECIPITATION ON 12 OF THE 15
REMAINING DAYS OF THE MONTH. AT LEAST A TRACE OF RAIN FELL AT THE
FLAGSTAFF AIRPORT FROM THE 20TH THROUGH 30TH. THIS 11 DAY RUN RANKS
2ND IN MOST CONSECUTIVE DAYS OF PRECIPITATION IN THE MONTH OF
MAY…AND 40TH FOR MOST CONSECUTIVE DAYS OF PRECIPITATION OVERALL.
THE RESULT WAS AN UNUSUALLY WET MAY…WITH 2.08 INCHES OF
PRECIPITATION BEING RECORDED. MAY 2009 ENDED AS THE 5TH WETTEST ON
RECORD…1.28 INCHES ABOVE THE NORMAL 0.80 INCHES OF PRECIPITATION
FLAGSTAFF NORMALLY RECEIVES IN MAY.

THE ABNORMAL PRECIPITATION STILL WAS NOT THE ONLY STORY OF
MONTH…ABNORMALLY HIGH TEMPERATURES ALSO WORKED THEIR WAY INTO THE
MIX. MAY 2009 WAS THE FIRST MAY EVER…TO NOT RECORD A LOW
TEMPERATURE OF 32 DEGREES OR BELOW. THE MONTH ENDED AS THE 2ND
WARMEST MAY ON RECORD WITH A MONTHLY AVERAGE TEMPERATURE OF 56.0
DEGREES. BREAKING THAT DOWN INTO THE HIGHS AND LOWS…THE AVERAGE
MINIMUM TEMPERATURE WAS 39.6 DEGREES…THE WARMEST AVERAGE MAY
MINIMUM TEMPERATURE EVER RECORDED. THE AVERAGE MAY MAXIMUM
TEMPERATURE CAME IN AS THE 8TH WARMEST MAY MAXIMUM WITH A VALUE OF
72.3 DEGREES.

CLARK

May Temperatures

May Temperatures

may-2009-ave-temp

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