Gaithersburg Maryland VP2 backyard report for Friday, September 7, 2012

Friday was mostly sunny, very warm and was quite muggy at times. The high temperature for the day of 87.7 was the warmest of September so far, just surpassing the 87.6 high temp of September 1. Partly cloudy and muggy overnight tonight, with lows of about 70. Saturday may have a bit of sun under partly cloudy skies early with highs in the mid 80s but clouds should overspread the area quickly by midday and widespread showers and thundershowers should develop in the afternoon and continue into the evening. An 80 POP for showers/storms as a strong cold front passes through the area. Currently the line of showers/storms in in Eastern Ohio and central Kentucky, marching east towards the coast and our area. Showers are just about to enter western PA and western WV. Clearing should be late Saturday night, with cooler temps that may reach the upper 50s by Sunday morning. High temps under beautiful sunny, dry skies on Sunday and Monday should be in the mid-upper 70s with lows in the comfortable mid 50s. The rest of the week looks sunny and dry, with a slow warmup into the low 80s by Thursday and Friday. Lows will creep up a bit, into the upper 50s and/or lower 60s.

Friday's precipitation: 0
September total precipitation: 0.04"                                                                                      Annual YTD precipitation total: 25.64" 

VP2 data for Friday as follows:
High temp 87.7° (1545) (88.2° RS)
(RS stands for my Radio Shack wireless thermometer being used as a backup)
Low temp 67.4° (0645) (67.5° RS)
Obs temp tonight 75.5° (VP2) 75.2° (RS)
Peak Wind Gust 9 MPH from the E (1737) 
Relative Humidity ranged from a max of 97% (0800) to a low of 57% (1845)
Dew point temperatures ranged from 74° to 66°.
Pressures ranged from 29.96"(1049) to 29.83"(2304).

At midnight obs, temp was 75.5°(VP2)/75.2°(RS), PCldy, Winds Calm, Pressure 29.87" and steady, Humidity 82% with a dew point of 70°.

Currently at 0434 EDT, the temp is 72.8°(VP2)/72.9°(RS), Cloudy, Winds 2 MPH from the ENE, Pressure at 29.79" and falling, humidity 93% with the dew point at 71°.

Current radar shows a solid mass of showers and imbedded thunderstorms in a N-S line through eastern OH and central KY at this time, about to enter western PA and western WV. Kevin the Walrus of Gaithersburg signing off early on this Saturday morning.