Cloudy, rainy, foggy, mild update for West Rockville, Maryland on Friday December 28, 2018

Cloudy, rainy, foggy, mild update for West Rockville, Maryland on Friday December 28, 2018

Friday was cloudy, mild, rainy (1.01″ approx 0100-1500) with dense fog at times (see featured image), esp early. The rain was never really heavy, just a steady fall during the time it was raining. The temperatures ranged from the low 40s early to the low 50s by afternoon, and held around 50° till midnight under cloudy but generally dry skies. 

The maximum temperature was 51.1° at 1627.

The minimum temperature was 41.6° at 0002.

Dew point temperatures ranged from a low of 40° @ 0000 up to a high of 50° @ 1535.

Relative humidity values ranged from a low of 93% @ 0000 up to a high of 97% @ 1054.

Barometric pressure ranged from a high of 30.35″ @ 0010 down to a low of 29.86″ @ 1542.

1.01″ of rain fell on Friday evening. December 2018 now has a total of 6.70″ of precipitation (liquid water equivalent). The year-to-date precipitation is now 65.42″.

My current online data (except for rainfall/snowfall – use the cocorahs link shown below for that dataset) is showing regularly on Weather Underground. My data is posted there every 5 minutes. My ID is KMDROCKV200 and my station is called “Gardens of Traville.” Data is online, normally just about in
real-time now as it is being updated on a 5 minute interval. The web address for my data on weather underground is: https://www.wunderground.com/personal-weather-station/dashboard?ID=KMDROCKV200

I contribute my precipitation data daily to CoCoRaHS as Rockville 2.8 WNW, Station ID MD-MG-115 on https://www.cocorahs.org/

Please remember that Weather Underground precipitation data reflects what is recorded automatically through the tipping bucket VP2 gauge, just as it does on WxLink 2.0. The tipping bucket is producing erratic values so should not be used save for general precipitation timing. For example recently the
bucket recorded 5.62? for the day, clearly a significantly higher amount when compared to my 4 inch gauge total that day (3.24?). I actually use the data I post to CoCoRaHS from my 4 inch CoCoRaHS gauge I read manually as my “official” precipitation total each day.

Saturday was mostly sunny and mild with highs in the low 50s and lows in the upper 30s (late).

Sunday looks to cool off a bit with partly cloudy skies and highs in the mid 40s and lows in the low- mid 30s.

New Year’s Eve Monday looks cloudy/rainy with temps in the mid-upper 40s to close out the year in typical wet style we have had much of 2018.

New Year’s Day Tuesday looks to start 2019 on a mild note with highs near 60° and lows in the upper 30s under partly cloudy skies.

Wednesday looks cloudy with highs in the mid 40s and lows in the mid 30s.

Thursday looks cloudy/rainy, with highs in the low-mid 40s and lows in the mid 30s. 

Friday’s midnight observations included a temperature of 49.5°, relative humidity 97%, barometric pressure 29.93″ and steady, with a dew point of 48.9° under cloudy skies.

Currently at 2307 the temperature is 38.1°, dew point temperature 31°, relative humidity 76%, and the barometric pressure at 30.25″ and steady under partly cloudy skies.

Good evening from the Walrus on this clear Saturday night. 

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