1939 - A thunderstorm deluged Washington D.C. with 4.4 inches of rain in two hours. September of that year was very dry across much of the nation, and Washington D.C. received more rain in that two hour period than most other places in the country that entire month.
More on this and other weather history
Night: Partly cloudy, with a low around 72. South wind 5 to 10 mph.
Day: Mostly cloudy, with a high near 94. Southwest wind around 10 mph, with gusts as high as 20 mph.
Night: A chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind around 5 mph. Chance of precipitation is 40%.
Day: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North wind 5 to 10 mph. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 30%.
Day: A chance of rain showers before 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Night: Partly cloudy, with a low around 62.
Day: Mostly sunny, with a high near 84.
Night: Mostly clear, with a low around 61.
Day: Sunny, with a high near 85.
Night: Mostly clear, with a low around 61.
Day: Sunny, with a high near 88.
Night: Mostly clear, with a low around 63.
Day: Sunny, with a high near 89.
Thu's High Temperature
112 at Death Valley, CA and 16 Miles Southwest If Tecopa, CA
Thu's Low Temperature
28 at Peter Sinks, UT