November 2013 - Belmont, CA Weather

By: BelmontJeff , 5:13 PM GMT on December 01, 2013

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NOVEMBER brought the first cloudy days since way back in July, occurring during the only measurable precipitation event of the month. 8 days of AM Fog were observed, all occurring 8th-21st (2 of these were Heavy).

TEMPERATURE:

Avg Max: 69.3°F
Avg Min: 50.0°F
Mean: 59.7°F

Though the month's Max. Temp. of 79.5° occurred on the 1st, many days in the 70's occurred throughout the month (a total of 14 days were ≥70°). The coolest period occurred mid-month as Max. Temps. ranged only from 60.5°-60.9° from the 17th-20th. Min. Temps. differed only 9.0° from warmest to coldest readings, showing just a slight general decline through the month. November's Avg. Min. Temp of 50.0° was only 2.1° cooler than October 2013; the Avg. Max. was 5.8° cooler. The disparity between the Average Max. and Min. Temps. was 19.3°. The sharpest day-to-day Max. Temp. change was from the 13th-14th - from 78.5° to 63.0°, a 15.5° decliine.

PRECIPITATION: November brought another well-below-normal month; only 3 days of measurable rain occurred as 0.68" (4" Lake Region (LR) gauge)/0.53" (Davis Vantage Pro2 (VP2) gauge) was recorded. The average monthly rainfall is 2.95". The current Calendar-Year Total Rainfall also continues well below normal: LR = 4.01", VP2 = 3.59" (Normal for the period January-November is 21.59"). This is probably the driest Calendar Year ever at this point in the year. Current Water-Year Totals: LR = 1.50", VP2 = 1.26" (July 1 - Nov. 30, 2013 Normal is 4.56").

WIND: Very little wind this month. Just 5 days recorded an average wind speed of ≥2.0 MPH. Only 13 of the 30 days recorded peak gusts of ≥10 MPH, with 3 of these being ≥15 MPH, and just 1 at 20 MPH.

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About BelmontJeff

I live in the San Francisco Bay Area and have always had a fascination with weather, its extremes, and stats. I'm also in CoCoRaHS: Belmont 0.7 WSW.

Personal Weather Stations

Belmont - Arroyo View
Belmont, CA
Elevation: 482 ft
Temperature: 71.1 °F
Dew Point: 49.3 °F
Humidity: 46%
Wind: Calm
Wind Gust: 8.0 mph
Updated: 2:47 PM PST on February 24, 2014

About Personal Weather Stations