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Monthly climate reports
[Back to monthly climate reports page] [Daily date F-6] [Temperature graph]
June 2003 climate report for Tucson


...JUNE HIGHLIGHTS...
...WILDFIRE SCORCHES AROUND 40000 ACRES IN THE CATALINAS...
...LIGHTNING SPARKED WILDFIRE BURNS 3500 ACRES IN THE RINCONS...
...13TH WARMEST ON RECORD WITH LITTLE TO NO RAINFALL...

HIGH PRESSURE ALOFT KEPT CONDITIONS WARM AND DRY FOR JUNE. HOWEVER
THERE WERE TWO PERIODS DURING THE MONTH (9TH-13TH AND 20TH-24TH) WHERE
AFTERNOON HIGH TEMPERATURES WERE IN THE MID TO UPPER 90S. THIS WAS DUE
TO STORM SYSTEMS MOVING THROUGH THE WESTERN UNITED STATES. THESE 
SYSTEMS BROUGHT GUSTY WINDS TO THE AREA. THE MAIN STORIES OF THE MONTH
WERE THE WILDFIRES IN THE CATALINAS AND RINCONS...WHICH BURNED ALMOST
44000 ACRES COMBINED.
				
THE AVERAGE MONTHLY TEMPERATURE OF 85.7 DEGREES WAS 1.6 DEGREES ABOVE
NORMAL AND RANKS AS THE 13TH WARMEST JUNE ON RECORD. TEMPERATURE 
EXTREMES FOR THE MONTH RANGED FROM A HIGH OF 107 DEGREES ON THE 16TH
AND 28TH TO A LOW OF 62 DEGREES ON THE 21ST. LITTLE TO NO RAIN FELL 
ACROSS THE METRO AREA IN JUNE. 

...JUNE 2003 STATS...          MONTH     NORMAL     DEPARTURE
AVERAGE HIGH TEMPERATURE       101.0     100.2        + 0.8
AVERAGE LOW  TEMPERATURE        70.4      68.0        + 2.4
AVERAGE TEMPERATURE             85.7      84.1        + 1.6
RAINFALL                       Trace      0.24"      - 0.24"
NUMBER OF 100+ DEGREE HIGHS      20        18         +  2
		
THE 2002-2003 WATER YEAR (OCTOBER THROUGH JUNE) CONTINUES TO BE ON
THE DRY SIDE WITH JUST OVER THREE INCHES /3.15"/ BEING RECORDED AT
THE INTERNATIONAL AIRPORT. THIS RANKS AS THE 21ST DRIEST WATER YEAR
TO DATE ON RECORD.
		
WATER YEAR (OCT-JUNE) RAINFALL TOTALS SINCE 1991 (NORMAL IS 6.35")...
2002-2003 .....  3.15"     1996-1997 .....  4.48"
2001-2002 .....  2.02"     1995-1996 .....  2.58"
2000-2001 ..... 10.55"     1994-1995 ..... 10.00"
1999-2000 .....  2.78"     1993-1994 .....  4.94"
1998-1999 .....  2.87"     1992-1993 ..... 10.91"
1997-1998 .....  9.15"     1991-1992 .....  9.47"

...2003 STATS THRU JUNE...      YEAR     NORMAL     DEPARTURE
AVERAGE HIGH TEMPERATURE        81.5      79.7        + 1.8
AVERAGE LOW  TEMPERATURE        52.7      50.4        + 2.3
AVERAGE TEMPERATURE             67.1      65.1        + 2.0
RAINFALL                        1.78"     3.44"      - 1.66"
WATER YEAR RAINFALL (OCT-JUN)   3.15"     6.35"      - 3.20"
NUMBER OF 100+ DEGREE HIGHS      29        21         +  8

THE AVERAGE YEARLY TEMPERATURE THROUGH JUNE 30TH OF 67.1 DEGREES RANKS
AS THE 10TH WARMEST START TO A CALENDAR YEAR.

...LOOKING AHEAD INTO JULY...
THE CLIMATE PREDICTION CENTER FORECASTS THAT THE MONTH OF JULY WILL
HAVE ABOVE NORMAL TEMPERATURES AND NEAR NORMAL RAINFALL. THE CLIMATE
PREDICTION CENTER FORECAST FOR THE MONSOON CALLS FOR MUCH ABOVE NORMAL
TEMPERATURES AND SLIGHTLY ABOVE NORMAL RAINFALL. THE NORMAL START TO
THE MONSOON SEASON OCCURS AROUND JULY 3RD.
		
JULY NORMALS AND RECORDS...
AVERAGE HIGH TEMPERATURE ......... 99.6 DEGREES
AVERAGE LOW TEMPERATURE........... 73.4 DEGREES
AVERAGE MONTHLY TEMPERATURE ...... 86.5 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 .................. 2.07 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

MONSOON SEASON RAINFALL NORMALS AND RECORDS...
NORMAL RAINFALL ..................  6.06 INCHES
WETTEST MONSOON SEASON ........... 13.85 INCHES IN 1964
DRIEST MONSOON SEASON ............  1.59 INCHES IN 1924

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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