3.79 inches of rainfall was recorded at Seatac in November. That’s well below the 30-year normal of 6.57 inches. Aside from a few Cascade peaks, all of Western Washington experienced below normal precipitation, with parts of Seattle dipping below 50% (see AHPS image linked below). November is supposed to be our wettest month, but 2013 has seen three wetter months thus far (January, April, and September).

The greatest 24-hour rainfall total of the month occurred on the 7th when 1.30 inches was recorded. There were two days with greater than an inch of precipitation, which is above the normal of 1.2 days; however days with greater than 0.50″, 0.10″, and 0.01″ were each below normal for the month. “Heavy rain” was reported on 1 day, “rain” on 5 days, and “light rain” on 18 days.

References:
AHPS montly precipitation image
SPU Climate Change program
Email SPU’s Climate Change team