WEST ROCKVILLE MARYLAND WEATHER UPDATE – WEDNESDAY SEPTEMBER 1, 2021

WEST ROCKVILLE MARYLAND WEATHER UPDATE – WEDNESDAY SEPTEMBER 1, 2021

Wednesday was a heck of a start to the month of September! We started in the overnight around 0300-0400 with a strong thunderstorm that gave us most of today’s rain from the remnants of Ida. The day was cloudy, cooler with intermittent rain showers of varying intensities till the evening when slow improvement was noted with the rain ending. We reached the upper mid 70s for highs with dew points high, ranging up to the mid 70s midday but dropping into the 60s by late afternoon along with the
temperatures experiencing a similar drop. We peaked with our cooler max temperature (77.2) of the day in the early afternoon. The low temperature for the day (in the
mid 60s) was reached through much of the mid-late evening hours.

The peak wind gust for the day (26 MPH) was only moderately strong, peaking in the mid afternoon during one of the stronger rain squalls, veering over to a southerly
direction, the basic direction the storm was moving in. Barometric pressures were highest in the very early morning while the lowest was reached in the early evening.

Thursday and Friday should improve on conditions greatly with sunny skies and highs in the mid 70s and lows in the mid 50s and dry. Saturday and Sunday should be
partly to mostly sunny and continued dry, with high temps around 80 and lows in the mid 60s.

Statistics for Wednesday:

High temp 77.2 at 1316

Low temp 65.0 at 2226

Max humidity 96% at 0522

Min humidity 86% at 2346

Max dew point 76 at 1208

Min dew point 62 at 2354

Max barometric pressure 29.80″ at 0007

Low barometric pressure 29.49″ at 1755

Peak Wind Gust (PWG) 26 MPH from the S at 1442

Wednesday’s average daily wind speed 8.2 (BWI) 10.7 (IAD)

Wednesday’s average sky cover 1.0 (BWI) 1.0 (IAD)

Daily total precipitation 1.40″ (BWI 4.13″ Record IAD 1.93″)

September total precipitation 1.40″

August total precipitation 6.06″ (BWI 4.36″ IAD 4.93″)

Year-to-date total precipitation 26.48″

Sunrise 0639 (EDT)

Sunset 1939 (EDT)

Moon Waning Crescent

Currently at 0217 AM EDT Thursday we have mostly cloudy skies, a temperature of 65.3, barometer 29.76″ and rising, relative humidity 85%, dew point 61, winds E-N   0-10 MPH. No rain has fallen since midnight into the tipping bucket VP2 gauge at the USG site across the street from me.

The attached image for today shows the look out my screened bedroom window to the east on Friday at about 1430 on 8/27 before the severe thunderstorm hit with
menacing clouds building quickly.

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