Saturday, July 4, 2020

June 2020 Climate Data for Memphis, TN

June Climate Recap

For the third consecutive month, cooler than normal temperatures prevailed into June, though by less than a degree for the month. Only 11 of the 30 days in June were above average and only four of those were after the 9th. Drier than average conditions also continued into June but not by much. There were only two days on which more than 1/2" of rain fell.

Severe weather occurred on a couple of days in the first week of the month. Sub-severe hail fell in eastern Shelby County on the late afternoon of the 4th. A more widespread severe weather event, a mesoscale convective system featuring straight line wind that measured 58 mph at Memphis International Airport, struck during the early afternoon on the 5th. Scattered reports of trees down on power lines and small hail were received with power outages scattered across the metro as well. Finally, a slow-moving storms produced flash flooding in southeast Shelby County into Olive Branch on the 9th.

Memphis International Airport, Memphis, TN

Average temperature: 78.9 degrees (0.7 degrees below average) 
Average high temperature: 88.1 degrees (0.8 degrees below average) 
Average low temperature: 69.6 degrees (0.7 degrees below average) 
Warmest temperature: 95 degrees (7th) 
Coolest temperature: 61 degrees (11th) 
Heating Degrees Days: 0
Cooling Degree Days: 423 (15 below average) 
Records set or tied: None 
Comments: The month of June featured 11 days that rose to 90 degrees or higher, or about three days less than average. 

Monthly total: 3.33" (0.30" below average) 
Days with measurable precipitation: 10 (1.0 day above average) 
Wettest 24-hour period: 1.02" (23rd) 
Snowfall: None 
Records set or tied: None 
Comments: None

Peak wind: North/58 mph (5th) 
Average wind: 7.8 mph 
Average relative humidity: 67% 
Average sky cover: 50% 

 Click here for a daily statistical recap for Memphis International Airport.

Cirrus Weather Solutions /, Bartlett, TN

Average temperature: 77.2 degrees 
Average high temperature: 88.6 degrees 
Average low temperature: 67.2 degrees 
Warmest temperature: 94.4 degrees (30th) 
Coolest temperature: 57.3 degrees (1st) 
Comments: None 

Monthly total: 3.07" (automated rain gauge), 3.15" (manual CoCoRaHS rain gauge) 
Days with measurable precipitation: 12 
Wettest date: 1.03" (21st) (via automated gauge) 
Snowfall: None 
Comments: None 

Peak wind: South/29 mph (9th)
Average relative humidity: 77% 
Average barometric pressure: 29.95 in. Hg
Comments: None

Click here for a daily statistical recap for Bartlett, TN.

MWN Forecast Accuracy

MWN average temperature error: 1.80 degrees 
MWN forecast temperatures within 2 degrees of actual: 74% 
MWN average dewpoint error: 2.20 degrees 
MWN forecast dewpoints within 2 degrees of actual: 66% 

MWN's forecasts extend out five periods (2.5 days, or roughly 60 hours). Historical accuracy statistics can be found here.

Climate Outlook - July 2020

The July climate outlook for the United States from the Climate Prediction Center is shown below. Above average temperatures are forecast for the vast majority of the nation, except the interior northwestern U.S. Odds favor above average temperatures for Memphis (49%) versus only a 18% chance of below average temperatures. Memphis' average temperatures for July is 82.7 degrees.

Wetter than normal weather is expected in the southeastern U.S., as well as in the northern Plains. Drier than average weather is forecast for the southern Rockies into the Front Range and western High Plains, as well as portions of the Great Lakes. For Memphis, odds favor average rainfall, which historically is 4.59 inches in July. 

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