Tuesday, May 10, 2016

April 2016 Memphis Climate Data and Forecast Accuracy

April Recap

A record wet March was followed by another month with sufficient precipitation, as April ended about 1/2" above normal. Most precipitation occurred on a few select days. Flash Flood Watches and Warnings were issued on the 14th-15th and last couple days of the month. Temperatures continued the above normal trend as well, about 2° above average, based mainly on warm overnight lows. Overall, there were only 7 days that averaged below normal for the month, but most days were within a few degrees of average.

Very little severe weather occurred in April with the only reports being trees downed by a wake low that produced 50-60 mph wind on the 30th and injuries at the FedEx SuperHub at Memphis International Airport due to lightning on the 6th. No tornadoes occurred in the entire state of TN in April, a fairly rare occurrence for the peak month of the Mid-South severe weather season.

Memphis International Airport, Memphis, TN

Average temperature: 64.8 degrees (1.9 degrees above average)
Average high temperature: 74.2 degrees (1.2 degrees above average)
Average low temperature: 55.5 degrees (2.6 degrees above average)
Warmest temperature: 85 degrees (26th, 28th)
Coolest temperature: 43 degrees (2nd)
Records set or tied: None
Comments: None

Monthly total: 5.97" (0.47" above average)
Days with measurable precipitation: 10 (0.4 days above normal)
Wettest 24-hour period: 2.16" (29th-30th)
Total Snowfall: None
Records set or tied: None
Comments: Six days recorded more than 0.50" of rain and 2 of those received over 1" of rain.

Peak wind: Southwest/54 mph (30th)
Average wind: 8.3 mph
Average relative humidity: 61%
Average sky cover: 50%

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

Cirrus Weather Solutions / MemphisWeather.net, Bartlett, TN

Average temperature: 63.2 degrees
Average high temperature: 74.4 degrees
Average low temperature: 52.1 degrees
Warmest temperature: 84.7 degrees (28th)
Coolest temperature: 39.9 degrees (3rd)
Comments: None.

Monthly total: 5.60" (automated rain gauge), 5.95" (manual CoCoRaHS rain gauge)
Days with measurable precipitation: 12
Wettest date: 1.91" (29th) (via automated gauge)
Total Snowfall: None
Comments: None

Peak wind: 27 mph (10th)
Average relative humidity: 71%

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

MWN Forecast Accuracy

MWN average temperature error: 2.52 degrees
MWN forecast temperatures within 2 degrees of actual: 61%
MWN average dewpoint error: 3.00 degrees
MWN forecast dewpoints within 2 degrees of actual: 57%

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

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