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May 2014
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April 2014 Precipitation Summary

Posted: May 1st, 2014

ahps_apr_2014

 

For the third straight month, Seattle was wetter-than-normal. While not as extreme as the previous month, April’s 4.18 inches cracked Seatac’s top 10 at number 9. But the past three months combined still remain the wettest Feb-Apr ever recorded.

 

The AHPS image above tells in interesting story: the wet side of the Cascade crest was mostly wetter than normal while the dry side was mostly drier than normal. (It also looks like the lower Entiat Range was very dry.) Seattle ranged from about 105% to 130%, south to north.

 

The greatest 24-hour rainfall total of the month occurred on the 30th when 0.79 inches fell. There were 3 days with with greater than 0.50″, 12 days above 0.10″, and 13 above 0.01″. “Heavy rain” was reported twice, “rain” 8 times, and “light rain” 14 times.

 

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