Will first of the season rain come to Menlo?

by Bill Russ on October 2, 2011

Editor’s note: This is the third rainfall season that Menlo Park resident Bill Russ has been sending rainfall updates to InMenlo. He sent in this “advance scouting” report on Sunday afternoon; the rain began in Menlo around 2:30 pm on Monday.

This is an alert to Menlo Park rain watchers. The weather report indicates umbrellas in the forecast for the next three days. Wouldn’t it be grand to get a nice jump on the season! Our first rain in Fall 2010 was the three days of October 22, 24, and 25, when a total of .4 fell. As a reminder the full year total for 2010-2011 was 20.8″. The previous year was 21.39″. I have now collected 16 years of rainfall data. My average for the 16 years is 19.64″. If I throw out the high of 38.6″ for 1998 and the low of 8.2″ for 2007 my average drops a bit to 19.10″. Above 19″ has become my normal. There is so much variation over the October through March season that I have established no normal for the portions of the season. How about a season with 24.35″ such as was 2005?

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