Public Information Statement
Issued by NWS Los Angeles, CA

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NOUS46 KLOX 020339 CCA
PNSLOX

PUBLIC INFORMATION STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
830 PM PDT MON JUN 1 2015

...A "REVERSE" METEOROLOGICAL SPRING OF SORTS IN DOWNTOWN LOS
ANGELES...

METEOROLOGICAL SPRING...DEFINED AS THE MONTHS OF MARCH...APRIL AND
MAY...WAS WARMER AND DRIER THAN NORMAL IN DOWNTOWN LOS ANGELES...AND
ACROSS SOUTHWESTERN CALIFORNIA IN GENERAL.

WHAT WAS UNUSUAL ABOUT METEOROLOGICAL SPRING 2015 IN DOWNTOWN
LOS ANGELES IS THAT THE WARMEST MONTH WAS MARCH AND THE COOLEST
MONTH WAS MAY...A REVERSE OF THE CLIMATOLOGICAL NORM. THIS HAS
NOT OCCURRED IN NEARLY 100 YEARS...SINCE 1921...AND IS ONLY THE 3RD
TIME IT HAS HAPPENED SINCE RECORDS BEGAN IN 1877. THE OTHER TWO
YEARS IN WHICH THIS OCCURRED WERE 1914 AND 1921.

THE AVERAGE MONTHLY TEMPERATURES IN DOWNTOWN LOS ANGELES
FOR MARCH...APRIL AND MAY 2015 WERE 68.2 DEGREES...65.8 DEGREES...
AND 64.1 DEGREES RESPECTIVELY. NORMAL AVERAGE MONTHLY TEMPERATURES
IN DOWNTOWN LOS ANGELES FOR THE 1981-2010 30-YEAR PERIOD ARE
60.6 DEGREES...63.1 DEGREES AND 65.8 DEGREES RESPECTIVELY.

INTERESTINGLY ENOUGH...SO FAR IN 2015 ONLY JANUARY HAS HAD A LOWER
AVERAGE MONTHLY TEMPERATURE...BY JUST 2.1 DEGREES. THE AVERAGE
TEMPERATURE FOR MAY 2015 WAS EXACTLY THE SAME AS THAT OF FEBRUARY.

AT MANY OTHER LOCATIONS IN SOUTHWESTERN CALIFORNIA...MARCH WAS THE
WARMEST MONTH OF METEOROLOGICAL SPRING AND MAY WAS THE COOLEST.

THE CLIMATE SUMMARY FOR MAY AND FOR METEOROLOGICAL SPRING WILL BE
ISSUED ON JUNE 2ND.

$$

BRUNO/SIRARD


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