Wednesday, October 14, 2015

Weather Stats for August/September

Some interesting statistics over the last couple of months.

Weather stats for August and September.
We've had .98" of rain in the last 34 days at Glen Echo's weather station.
5th wettest August on record.
8th warmest September on record with 75.1 degrees.
Tied for 5th longest streak of days (8) with the maximum temperature at or above 90 degrees between 9/1-9/8.
For the period May-September, avg days over 90 is 38.4, we've had 49 days over 90 so far this season.
2nd wettest summer June-Aug on record of 23.94". Wettest was 27.22" in 1915.
34th warmest summer June-Aug on record at 78.7 degrees. Warmest all time was in 1901 at 82.7

Temperature
                               Observed Value    Normal Value   Depart From Normal   Last Years Value
                 Aug
Avg Max.                        86.7                       87.9                        -1.2                             89.0
Avg Min                          68.8                       69.4                        -0.6                            71.6
Mean                               77.8                       78.6                        -0.8                             80.3

13 days over 90 degrees

                 Sept
Avg Max.                       84.9                      80.2                          4.7                             80.3
Avg Min.                       65.3                      60.6                           4.7                             59.8
Mean                             75.1                      70.4                           4.7                             70.0

10 days over 90 degrees

Precipitation

                 Aug               6.67"                      2.99"                      3.68"                            5.06"
                 Sept              3.11"                      3,13"                     -0.02                              4.20"|


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