Public Information Statement
Issued by NWS Austin/San Antonio, TX

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NOUS44 KEWX 292134
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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
434 PM CDT WED APR 29 2015


...UPDATE FOR AUSTIN-BERGSTROM (AUS) 30-YEAR MONTHLY RAINFALL
CLIMATE NORMALS...

A FIRST-ORDER CLIMATOLOGICAL STATION HAS BEEN IN OPERATION AT AUSTIN-
BERGSTROM INTERNATIONAL AIRPORT (AUS) SINCE OCTOBER 17, 1942 WHEN
BERGSTROM AIR FORCE BASE PERSONNEL BEGAN TAKING OBSERVATIONS.
OBSERVATIONAL GAPS AND INCOMPLETE RECORDS OCCURRED DURING A
TRANSITIONAL PERIOD FOR THE STATION IN THE MID-1990S WHEN THE BASE
WAS CLOSED DOWN AND USED AS A CARGO AIRFIELD PRIOR TO BECOMING AN
INTERNATIONAL AIRPORT. THE NATIONAL CENTERS FOR ENVIRONMENTAL
INFORMATION (NCEI), FORMERLY KNOWN AS THE NATIONAL CLIMATIC DATA
CENTER (NCDC), UTILIZED SURROUNDING STATIONS TO FILL IN THESE
OBSERVATIONAL GAPS PRIOR TO OCTOBER 1997 WHEN THE CURRENT AUTOMATED
SURFACE OBSERVING SYSTEM (ASOS) ARRAY WAS COMMISSIONED. HOWEVER, THE
30-YEAR MONTHLY CLIMATE NORMALS FOR 1981 TO 2010 ORIGINALLY
GENERATED BY NCEI FOR AUS DIFFERED DRAMATICALLY FROM SURROUNDING
SITES INCLUDING AUSTIN CAMP MABRY (ATT). THEREFORE, NCEI RERAN THEIR
ANALYSIS AT THE REQUEST OF THE AUSTIN-SAN ANTONIO NATIONAL WEATHER
SERVICE FORECAST OFFICE, WHICH HAS RESULTED IN THE FOLLOWING
UPDATED MONTHLY RAINFALL CLIMATE NORMALS FOR AUS:

JANUARY         2.20 INCHES
FEBRUARY        2.31 INCHES
MARCH           2.78 INCHES
APRIL           2.27 INCHES
MAY             4.05 INCHES
JUNE            4.63 INCHES
JULY            2.44 INCHES
AUGUST          2.03 INCHES
SEPTEMBER       2.54 INCHES
OCTOBER         4.24 INCHES
NOVEMBER        2.94 INCHES
DECEMBER        2.21 INCHES
ANNUAL TOTAL   34.64 INCHES

THESE UPDATED MONTHLY CLIMATE NORMALS WILL BE REFLECTED IN CLIMATE
REPORTS AND OTHER PUBLIC PRODUCTS ON OR BEFORE JUNE 1. PLEASE DIRECT
ANY ADDITIONAL QUESTIONS YOU MAY HAVE ABOUT THIS STATEMENT TO LARRY
HOPPER AT LARRY.HOPPER@NOAA.GOV OR PAUL YURA AT PAUL.YURA@NOAA.GOV.

$$


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