June 2018 Climate Data for Memphis, TN

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June Climate Recap

Continuing the trend from May (but not quite the anomaly that May was), June temperatures averaged well above normal, to the tune of over 2 degrees, placing the month twelfth warmest on record. Twenty-four of the thirty days in June were above normal (although four of those six that were below normal were within a degree of the normal temperature). No daily records were set during the month. Also as in May, precipitation for the month of June was below average by over one and a half inches at the official observing site at Memphis International Airport, however scattered thunderstorms with heavy downpours on several days resulted in a wide range of precipitation. For example, MWN in Bartlett recorded 6″ more rain than the airport in June.

Severe weather reports received during the month were primarily from downed trees due to high wind associated with powerful scattered storms. These include in Marshall County overnight on the 2nd/3rd, in the immediate metro on the afternoons of the 13th and 21st and the morning of the 23rd (when a 65 mph wind gust was measured at a secondary sensor at Memphis International Airport). Hail was recorded in DeSoto County on the 12th and flash flooding occurred in north Bartlett near MWN HQ on the morning of the 24th.  There were multiple Severe Thunderstorm and Flash Flood Warnings during the month in the metro, but no Tornado Warnings. Most Flash Flood Warnings were in Shelby County for urban flooding from localized heavy downpours.

Memphis International Airport, Memphis, TN

Temperature
Average temperature: 81.9 degrees (2.3 degrees above average)
Average high temperature: 91.6 degrees (2.7 degrees above  average)
Average low temperature: 72.1 degrees (1.8 degrees above average)
Warmest temperature: 96 degrees (15th, 16th)
Coolest temperature: 64 degrees (4th)
Heating Degrees Days: 0 (0 below average)
Cooling Degree Days: 513 (75 above average)
Records set or tied: The month ranked 12th warmest on record.
Comments: Twenty days recorded high temperatures at or above 90 degrees, which is 6 days above average. Only six daily temperatures were below average.

Precipitation
Monthly total: 2.06″ (1.57″ below average)
Days with measurable precipitation: 9
Wettest 24-hour period: 0.66″ (23rd)
Snowfall: 0.0″
Records set or tied: None
Comments: Only a single day recorded more than 0.5″.

Miscellaneous
Peak wind: Southwest/50 mph (23rd)
Average wind: 7.3 mph
Average relative humidity: 69%
Average sky cover: 40%

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

Cirrus Weather Solutions / MemphisWeather.net, Bartlett, TN

Temperature
Average temperature: 80.9 degrees
Average high temperature: 91.2 degrees
Average low temperature: 70.0 degrees
Warmest temperature: 97.2 degrees (28th)
Coolest temperature: 60.0 degrees (4th)
Comments: None

Precipitation
Monthly total: 8.08″ (automated rain gauge), 8.62″ (manual CoCoRaHS rain gauge)
Days with measurable precipitation: 12
Wettest date: 2.56″ (21st) (via automated gauge)
Snowfall: None
Comments: In stark contrast to Memphis International Airport, four days recorded precipitation of 0.99″ or higher (zero at the airport).

Miscellaneous
Peak wind: South/33 mph (1st)
Average relative humidity: 76%
Average barometric pressure: 29.94 in. Hg

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

MWN Forecast Accuracy

MWN average temperature error: 1.48 degrees
MWN forecast temperatures within 2 degrees of actual: 84%
MWN average dewpoint error: 1.88 degrees
MWN forecast dewpoints within 2 degrees of actual: 74%

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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