July 2009 Overview
Updated: 11:30 AM August 1, 2009
|
| Phoenix, AZ
| Yuma, AZ
|
|
| 2009
| Normal
| 2009
| Normal
|
Average High Temperature
| 109.5 °F Tied 2nd Warmest
| 106.6 °F
| 110.0 °F 5th Warmest
| 106.8 °F
|
Average Temperature
| 98.3 °F Warmest
| 94.7 °F
| 97.5 °F Warmest
| 93.7 °F
|
Average Low Temperature
| 87.1 °F Warmest
| 82.9 °F
| 85.0 °F 2nd Warmest
| 80.6 °F
|
| Precipitation
| 0.40" Tied 43rd Driest
| 0.99"
| 0.11" Tied 48th Wettest
| 0.23"
|
Daily Records
|
115 °F on July 12 Tied Record High
91 °F on July 12 Tied Record High Low
91 °F on July 17 Tied Record High Low
91 °F on July 19 Tied Record High Low
92 °F on July 27 Set Record High Low
92 °F on July 28 Set Record High Low
|
86 °F on July 4 Tied Record High Low
90 °F on July 19 Set Record High Low
89 °F on July 23 Set Record High Low
88 °F on July 27 Tied Record High Low
0.10" on July 18 Set Record Precipitation
|
Period of Record
| 1896-2009
| 1879-2009
|
Miscellaneous Phoenix Information...
- July 2009 was the hottest month in observed history /since 1896/.
- There were 15 days with a high temperature of 110 °F or greater, tied for second most on record (most was 16 in 1989; 1979-2008 average is 8).
- There were 12 days with an average temperature of 100 °F or higher, the most ever recorded (previous record was 11 in 2006; 1979-2008 average is 3).
There were 10 days with a low temperature of 90 °F or higher, tied for second most on record (most was 11 in 2003; 1979-2008 average is 2).
- This was only the second time there failed to be a high of less than 101 °F (other was in 2005).
- July 12-18 2009 was the 9th hottest week on record by average temperature (101.6 °F; hottest was 102.9 °F June 25-July 1 1990).
- July 28 2009 tied for the 10th hottest day on record by average temperature (103.5 °F; hottest was 106.5 °F on June 26 1990).
- The temperature failed to fall below 88 °F from July 10-19, the second longest streak of such on record (longest was 11 days July 2-15 2007).
Miscellaneous Yuma Information...
- July 2009 was the hottest month in observed history (since 1878).
- There were 13 days with an average temperature of 98 °F or higher, the second most on record (most was 14 in 2006; 1979-2008 average is 5).
- There were 21 days with a low of 85 °F or higher, the most on record (previous was 20 in 2006; 1979-2008 average is 7).
- This was only the third time that the temperature failed to fall below 80 °F in July (others were 2006 and 1996).
- From July 15-29 the temperature failed to fall below 85 °F, the second longest such streak on record (longest was July 29-August 14 1995)