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My apologies for a few blatant errors in my Thursday report. First, I entitled it on the subject line as being from Thursday, May 24, 2013 and it should have been Thursday, October 24, 2013. And in stating the dew point values, I erred and gave you the wind chill temp. I didn't catch that till I was just about done last nigh. My VP2 system for some reason reset to the wind chill reading, which shares the same button and display as the dew point. If I could permanently disable that wind chill option and just display the dew point all the time I would. Perhaps there is a way, no time to figure that out now. I noticed that I had 82% rel humidity but was getting a 37.5 air temp and a 37 dew point reading- not possible. This reset to the wind chill just happened again tonight, and I have reset it now. It is holding true right now.
Friday was a mostly sunny and a bit milder with the sun in the afternoon after a frosty morning- my cartop was frosty but luckily my windshield was clear when I left for work this morning. The 33.7 min on the VP2 was the coldest min temp I have had since the 33.3° min I had back on April 6 of this year. My average long-term (34 year period - 1979 through 2012) first 32 reading in the fall is October 20. The sun warmed us a bit more than yesterday, up into the mid 50s. Tonight the clear skies are radiating well with no wind - temps are dropping through the 30s, and should reach around 30° by sunrise. Officially NOAA has issued a freeze warning for our area till 9 AM Saturday. Sunny with highs in the mid-upper 50s on Saturday, then some clouds Saturday night should bring our low temps only into the upper 30s by Sunday sunrise. Sunday should be sunny with highs around 60. Monday and Tuesday should see highs in the low 60s and lows around 40. A 30 POP for showers are forecast for mid-week with mostly cloudy skies and 60s and 40s for temps, then mid-upper 60s for the end of the week with lows in the 40s under continued sunny/clear skies.
Friday's precipitation: 0
October precipitation: 5.75"
Annual YTD precipitation total: 40.53"
Other data for Friday is as follows:
High temp 52.9° VP2 (1557)(RS 53.2°)
Low temp 33.7° VP2 (0732)(RS 33.3°)
Obs temp 36.6° VP2 (RS 36.3°) MS"">
Peak wind gust 15 N (1229)
Relative Humidity ranged from a max of 89% (0817) to a low of 47% (1607)
Dew point temperatures ranged from 51° to 34°
Barometric pressure values ranged from 30.35"(2224) to 30.15"(0020)
At midnight EDT obs the temp was 36.6°(VP2), Clear, Winds Calm, Pressure at 30.33" and steady, humidity 80%, dew pt of 33°.
Currently at 0354 EDT I have a temp of 31.9°(VP2), (31.6° RS), Clear, Winds Calm, Pressure at 30.30" and falling, humidity MS=89%, dew point of 29°.
Radar is showing an area of light rain over northern parts of lower Michigan, along with light snow showers up in parts of upstate New York..
Kevin the "cool Walrus of Gaithersburg" signing off for early Saturday morning.