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: Rain showers. Cloudy, with a low around 42. North northwest wind 9 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Day: A chance of rain showers after 1pm. Cloudy, with a high near 52. West northwest wind 13 to 17 mph. Chance of precipitation is 30%.
Night: A slight chance of rain showers before 7pm. Mostly cloudy. Low around 39, with temperatures rising to around 41 overnight. West northwest wind 6 to 14 mph. Chance of precipitation is 20%.
Day: Partly sunny, with a high near 59. Northwest wind 6 to 10 mph.
Night: Mostly clear, with a low around 38. Northwest wind 3 to 8 mph.
Day: Sunny, with a high near 63. Northwest wind 2 to 6 mph.
Night: Mostly clear, with a low around 41. Southwest wind around 5 mph.
Day: Mostly sunny, with a high near 70. South wind 5 to 10 mph.
Night: Partly cloudy, with a low around 51. South southeast wind 5 to 8 mph.
Day: Partly sunny, with a high near 73. Southeast wind around 6 mph.
Night: Partly cloudy, with a low around 52. East wind around 6 mph.
Day: Partly sunny, with a high near 71. East wind 3 to 7 mph.
Night: Partly cloudy, with a low around 51. East southeast wind around 6 mph.
Day: A slight chance of rain showers after 7am. Partly sunny, with a high near 72. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.
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