Wednesday was a beautifully sunny, cool, dry day. It was the coolest day of the fall so far as it was the first day with a maximum temperature below 70°. I only reached the upper 60s for highs with dew points mostly in the 40s and 50s all day. We peaked with our max temperature (68.4) of the day in the later afternoon down to the mid 50s just at midnight at the very end of the day.

The peak wind gust for the day (16 MPH) lessened quite a bit today, peaking in the mid afternoon, veering over to a NW direction. Barometric pressures were highest very late in the day while the lowest was reached in the very early morning hours.

Thursday and Friday, to usher out September and bring in October, should be mostly sunny and dry with highs around 70, with lows in the upper 40s. The Saturday Sunday weekend period should be partly cloudy and a bit milder, with highs in the upper 70s Saturday and low 80s on Sunday with lows in the mid 50s Saturday to mid 60s on Sunday. It should remain dry during this entire time period, but on Monday our rain chances look to be increasing with warm temperatures.

Statistics for Wednesday:

High temp 68.4 at 1654

Low temp 54.9 at 2359

Max humidity 89% at 0412

Min humidity 45% at 1427

Max dew point 62 at 0000

Min dew point 45 at 1427

Max barometric pressure 30.10″ at 2347

Low barometric pressure 29.95″ at 0023

Peak Wind Gust (PWG) 16 MPH from the NW at 1540

Wednesday’s average daily wind speed 5.3 (BWI) 6.9 (IAD)

Wednesday’s average sky cover 0.4 (BWI) 0.2 (IAD)

Daily total precipitation 0 (BWI T IAD T)

September total precipitation 5.39″

Year-to-date total precipitation 30.47″

Sunrise 0704 (EDT)

Sunset 1854 (EDT)

Moon Last Quarter

Currently at 0158 AM EDT Thursday we have clear skies, a temperature of 53.9, barometer 30.11″ and steady, relative humidity 90%, dew point 51, winds W-NW 0-5 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 a calm sky of late afternoon scattered altocumulus out my sliding glass door looking to the NE (9/28).