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| June 2001
climate report for Tucson |
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...JUNE HIGHLIGHTS...
...12TH WARMEST AND 15TH WETTEST JUNE ON RECORD...
ABOVE NORMAL TEMPERATURES AND RAINFALL ALONG WITH A TEASE FROM MOTHER
NATURE WERE THE STORIES DURING JUNE.
THE FIRST HALF OF THE MONTH WAS WARM TO VERY WARM AT TIMES AND DRY WITH
HIGH TEMPERATURES GENERALLY BETWEEN 100 AND 108 DEGREES. HOWEVER THERE
WERE FIVE DAYS IN WHICH WEATHER SYSTEMS MOVED THROUGH THAT KEPT THE HIGH
TEMPERATURES IN THE 90S.
THE SECOND HALF OF THE MONTH WAS ALSO WARM TO VERY WARM AT TIMES BUT
WETTER AS MOTHER NATURE TEASED THE AREA WITH MONSOONAL TYPE MOISTURE.
MOST OF THE MONTHS RAINFALL FELL ON THE 20TH AND 21ST WHEN SCATTERED
THUNDERSTORMS...SOME OF WHICH WERE SEVERE...MOVED THROUGH THE AREA.
AVERAGE DAILY DEWPOINT VALUES WERE ABOVE THE 54 DEGREE THRESHOLD ON
THE 2OTH AND 21ST BUT BY THE 22ND...DRIER AIR MOVED IN AND KEPT THE
DAILY DEWPOINT BELOW 54 DEGREES. THUS MOTHER NATURE TEASED THE AREA
WITH THE START OF THE ANNUAL MONSOON SEASON. THE REMAINDER OF THE
MONTH WAS DRY EXCEPT FOR THE 25TH WHEN A SUBTROPICAL WEATHER SYSTEM
MOVED IN FROM BAJA AND BROUGHT SCATTERED THUNDERSTORMS TO THE AREA.
THE MONTH ENDED HOT WITH TEMPERATURES BETWEEN 105 AND 108 DEGREES.
THE AVERAGE MONTHLY TEMPERATURE OF 85.6 DEGREES WAS 1.8 DEGREES ABOVE
NORMAL AND RANKS AS THE 12TH WARMEST JUNE (TIED WITH 1946) ON RECORD.
TEMPERATURE EXTREMES FOR THE MONTH RANGED FROM A HIGH OF 108 DEGREES
ON THE 8TH TO A LOW OF 62 DEGREES ON THE 15TH.
RAINFALL ACROSS THE METRO AREA WERE HIGHLY VARIABLE WITH TOTALS
RANGING FROM A TENTH OF AN INCH TO A FEW LOCAL SPOTS RECORDING ONE
INCH. OFFICIALLY THE INTERNATIONAL AIRPORT RECORDED JUST OVER A HALF
AN INCH /0.54"/ WHICH IS A THIRD OF A INCH /0.34"/ ABOVE NORMAL. THIS
RANKS AS THE 15TH WETTEST JUNE (TIED WITH 1909) ON RECORD.
...JUNE 2001 STATS... MONTH NORMAL DEPARTURE
AVERAGE HIGH TEMPERATURE 101.2 99.6 + 1.6
AVERAGE LOW TEMPERATURE 69.9 67.9 + 2.0
AVERAGE TEMPERATURE 85.6 83.8 + 1.8
RAINFALL 0.54" 0.20" + 0.34"
NUMBER OF 100+ DEGREE HIGHS 21 19 + 2
...2001 STATS THRU JUNE... YEAR NORMAL DEPARTURE
AVERAGE HIGH TEMPERATURE 80.1 79.3 + 0.8
AVERAGE LOW TEMPERATURE 51.4 50.1 + 1.3
AVERAGE TEMPERATURE 65.8 64.7 + 1.1
RAINFALL 4.20" 2.97" + 1.23"
WATER YEAR RAINFALL (OCT-JUN) 10.55" 5.77" + 4.78"
NUMBER OF 100+ DEGREE HIGHS 31 19 + 12
...LOOKING AHEAD INTO JULY...
THE CLIMATE PREDICTION CENTER FORECASTS THAT THE MONTH OF JULY WILL
HAVE MUCH ABOVE NORMAL TEMPERATURES AND NEAR NORMAL RAINFALL.
AVERAGE HIGH TEMPERATURE ......... 99.4 DEGREES
AVERAGE LOW TEMPERATURE........... 73.6 DEGREES
AVERAGE MONTHLY TEMPERATURE ...... 86.6 DEGREES
RECORD HIGH TEMPERATURE .......... 114 DEGREES ON JULY 25 1995 AND
ON JULY 4 1989
RECORD LOW TEMPERATURE ........... 49 DEGREES ON JULY 3 1911
WARMEST JULY (AVG) ............... 90.4 DEGREES IN 1994
COLDEST JULY (AVG) ............... 81.4 DEGREES IN 1912
NORMAL RAINFALL .................. 2.37 INCHES
WETTEST JULY DAY ................. 3.93 INCHES ON JULY 29 1958
WETTEST JULY ..................... 6.24 INCHES IN 1921
DRIEST JULY ...................... 0.04 INCHES IN 1995
THE NUMBER OF DAYLIGHT HOURS WILL DECREASE FROM 14 HOURS 13 MINUTES
ON THE FIRST TO 13 HOURS 44 MINUTES ON THE 31ST...FOR A LOSS OF
29 MINUTES.
GLUECK
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Webmaster
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tucson Weather Forecast Office
520 North Park Ave, Suite 304
Tucson, AZ 85719
Tel: (520) 670-6526
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