June 2007 climate report for Tucson

...JUNE HIGHLIGHTS...
...12TH WARMEST ON RECORD...
...BAJA STORM SYSTEM BRINGS RAINFALL TO THE AREA ON THE 11TH...
...MODERATE DROUGHT CONDITIONS CONTINUE...

THE MONTH STARTED OFF WARM WITH ABOVE NORMAL TEMPERATURES THROUGH THE
5TH. A PACIFIC STORM SYSTEM MOVED THROUGH THE AREA ON THE 6TH AND 7TH
BRINGING COOLER TEMPERATURES AND GUSTY WINDS. THE AIRPORT RECORDED A
WIND GUST OF 43 MPH ON THE 7TH. A FEW DAYS PASSED BEFORE ANOTHER
PACIFIC SYSTEM STARTED TO AFFECT THE AREA. THIS FEATURE MOVED DOWN THE
BAJA COAST ON THE 10TH AND MOVED ACROSS SOUTHERN ARIZONA AND NORTHERN
MEXICO ON THE 11TH. THIS SYSTEM TAPPED INTO MOISTURE OVER NORTHERN
MEXICO AND PRODUCED ISOLATED SHOWER AND THUNDERSTORM ACTIVITY ACROSS
THE METRO AREA. RAINFALL AMOUNTS ACROSS THE METRO AREA WERE GENERALLY
LESS THAN A QUARTER OF AN INCH...BUT A FEW LOCATIONS RECORDED BETWEEN
A HALF TO JUST UNDER ONE INCH OF RAIN. AN URBAN AND SMALL STREAM
FLOOD ADVISORY WAS ISSUED FOR THE LATE AFTERNOON HOURS ON THE 11TH.
THE SECOND HALF OF THE MONTH WAS JUNE LIKE WITH HOT DAYTIME
TEMPERATURES...WARM OVERNIGHT LOWS AND NO RAIN. EVERY DAY STARTING
WITH THE 13TH TO THE 30TH HAD HIGH TEMPERATURE IN TRIPLE DIGITS.

THE AVERAGE MONTHLY TEMPERATURE OF 86.0 DEGREES RANKS AS THE TWELFTH
WARMEST JUNE ON RECORD. TEMPERATURE EXTREMES FOR THE MONTH RANGE FROM
A HIGH OF 108 DEGREES 21ST AND 26TH TO A LOW OF 60 DEGREES ON THE 8TH.

AVERAGE JUNE TEMPERATURES SINCE 1998...
2007 ..... 86.0          2002 ..... 88.0
2006 ..... 88.4          2001 ..... 85.5
2005 ..... 85.7          2000 ..... 84.6
2004 ..... 84.8          1999 ..... 83.8
2003 ..... 85.7          1998 ..... 81.8
TEN YEAR AVERAGE ... 85.4"
1971-2000 NORMAL ... 84.1"

RAINFALL OCCURRED ON ONLY ONE DAY DURING JUNE...THE 11TH. AMOUNTS
ACROSS THE METRO AREA DURING JUNE WERE GENERALLY LESS THAN A QUARTER
OF AN INCH...WITH A FEW LOCATIONS RECORDING BETWEEN ONE HALF INCH TO
JUST UNDER AN INCH. OFFICIALLY AT THE INTERNATIONAL AIRPORT...ONLY A
TRACE WAS RECORDED ON THE 11TH AND THUS FOR THE MONTH. THIS MARKED
THE 28TH JUNE THAT NO MEASURABLE RAIN (13 @ 0.00" AND 15 @ TRACE) WAS
OFFICIALLY RECORDED.

JUNE RAINFALL SINCE 1998...
2007 ..... TRACE         2002 ..... 0.00"
2006 ..... 0.50"         2001 ..... 0.54"
2005 ..... 0.01"         2000 ..... 1.56"
2004 ..... TRACE         1999 ..... 0.16"
2003 ..... TRACE         1998 ..... 0.00"
TEN YEAR AVERAGE ... 0.28"
1971-2000 NORMAL ... 0.24"

...JUNE 2007 STATS...          MONTH     NORMAL     DEPARTURE
AVERAGE HIGH TEMPERATURE       101.5     100.2        + 1.3
AVERAGE LOW  TEMPERATURE        70.5      68.0        + 2.5
AVERAGE TEMPERATURE             86.0      84.1        + 1.9
RAINFALL                       TRACE      0.24"      - 0.24"
NUMBER OF 100+ DEGREE HIGHS      20        18         +  2
		
THE 2006-2007 WATER YEAR (OCTOBER THROUGH JUNE) CONTINUES TO BE VERY
DRY WITH ONLY 2.52 INCHES BEING RECORDED AT THE TUCSON AIRPORT. THIS
CURRENTLY RANKS AS THE 12TH DRIEST WATER YEAR TO DATE.
		
WATER YEAR (OCT-JUNE) RAINFALL TOTALS SINCE 1997...
2006-2007 .....  2.52"     2001-2002 .....  2.02"
2005-2006 .....  1.23"     2000-2001 ..... 10.55"
2004-2005 .....  5.73"     1999-2000 .....  2.78"
2003-2004 .....  4.99"     1998-1999 .....  2.87"
2002-2003 .....  3.15"     1997-1998 .....  9.15"
TEN YEAR AVERAGE ... 4.50"
1971-2000 NORMAL ... 6.35"

...2007 STATS THRU JUNE...      YEAR     NORMAL     DEPARTURE
AVERAGE HIGH TEMPERATURE        81.2      79.7        + 1.5
AVERAGE LOW  TEMPERATURE        52.1      50.4        + 1.7
AVERAGE TEMPERATURE             66.7      65.1        + 1.6
RAINFALL                        1.63"     3.44"      - 1.81"
WATER YEAR RAINFALL (OCT-JUN)   2.52"     6.35"      - 3.83"
NUMBER OF 100+ DEGREE HIGHS      23        21         +  2

2007 CURRENTLY RANKS AS THE 15TH WARMEST (TIED WITH 1997 AND 1990)
AND 22ND DRIEST (TIED WITH 1961) YEAR ON RECORD.

AVERAGE YEARLY TEMPERATURE AND RAINFALL THROUGH JUNE 30 SINCE 1998...
TEMPERATURE                     RAINFALL
2007 ..... 66.7                 2007 ..... 1.63"
2006 ..... 67.9                 2006 ..... 0.91"
2005 ..... 66.8                 2005 ..... 3.96"
2004 ..... 66.6                 2004 ..... 3.42"
2003 ..... 67.1                 2003 ..... 1.79"
2002 ..... 67.2                 2002 ..... 0.68"
2001 ..... 65.8                 2001 ..... 4.20"
2000 ..... 67.7                 2000 ..... 2.78"
1999 ..... 65.5                 1999 ..... 1.51"
1998 ..... 63.1                 1998 ..... 5.40"
TEN YEAR AVERAGE ... 66.4       TEN YEAR AVERAGE ... 2.63"
1971-2000 NORMAL ... 65.1       1971-2000 NORMAL ... 3.44"

...LOOKING AHEAD INTO JULY...
THE CLIMATE PREDICTION CENTER FORECASTS THAT THE MONTH OF JULY WILL
HAVE ENHANCED PROBABILITIES FOR ABOVE NORMAL TEMPERATURES AND EQUAL
CHANCES FOR EITHER ABOVE NORMAL...NORMAL...AND BELOW NORMAL RAINFALL.
		
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...
AVERAGE START DATE ...............  JULY 3RD
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