Heat in Arizona, July 1 to 31, 2010

Name: Heat in Arizona, July 1 to 31, 2010
Start: 2010-07-01T00:00
End: 2010-07-31T00:00
Location: Arizona

July 1 to 31, 2010 · NWS PSR · 1 event in 1 county or zone

Hot daytime temperatures and unusually warm nights resulted in heat indices over 110 degrees. 0 degrees) than normal.

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PSR wrote it up.

Hot daytime temperatures and unusually warm nights resulted in heat indices over 110 degrees. While the average monthly temperature for July was slightly higher than normal in Phoenix, the average low temperature was much higher(4.0 degrees) than normal.

Event by event

1 heat. Local standard time, as filed.

Heat, Greater Phoenix Area

When: July 1, 12:00 AM MST to July 31, 12:00 AM MST
Where: Greater Phoenix Area forecast zone
Reported by: County Official

The heat wave from late June continued into July. The last 3 days of June saw high temperatures over 110 degrees in Phoenix, and lows in the 80s. The average daily temperature was 101F on the last day of June, and remained over 100 through July 2nd. For the first two days of July the high temperature was 114. Excessive heat continued in Phoenix through the middle of the month, when the average daily temperature was 104 degrees on the 15th and the 16th. In Maricopa County alone, there were 44 heat caused or heat related deaths from late May through the end of the month of July. Hospitals across the Valley treated many patients with varying symptoms.

What these are

Heat: Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Arizona in 2010 Every state in 2010 This day in weather history Warnings in Arizona, July 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 239843.