Monday was a cooler and cloudy day, with early morning rain (0.50″) falling, at times quite heavy (5.88″/hour max rain rate @ 0225) temperatures starting out in the upper 50s in the early AM but only rising into the mid 60s by mid-afternoon. Clouds dominated the skies all day, but they did very gradually lift in the afternoon and evening, with late clearing. Overnight into Tuesday the cloudy skies cleared out and by sunrise was totally clear with the low temps falling into the mid 50s. The Monday maximum temperature was 64.8° @ 1441, while the Monday minimum temperature dropped to 57.7° @ 0604. The dew point temperatures continued to lower along with the temps, ranging from a high of 61° @ 0000 down to a low of 56° @ 0456. The barometric pressure rose from Saturday – the lowest value being 29.89″ @ 0339 up to a high of 30.20″ @ 2337. The relative humidity values remained high all day, ranging from a high of 95% at 0244 down to a low of 84% at 1842.

Remember now you can get the VP2 data on Weatherlink. You can access the data through http://www.weatherlink.com/user/walrusman444 I am posting daily to weather underground. My ID is KMDROCKV200 and my station is called “Gardens of Traville.” Data is online, normally just about in real-time. The web address for my data on weather underground is: https://www.wunderground.com/personal-weather-station/dashboard?ID=KMDrockv200#history/ I contribute 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. I actually use the data I post to cocorahs from my 4″ cocorahs gauge I read manually as my “official” precipitation total each day.

Monday I arose early and actually took a shower and had a cereal and banana breakfast before 11:00 ! I worked on a variety of stuff in the afternoon, along with listening to the Weather Buff show at the noon hour. While showering I listened to the audio podcast of a recent (Episode 3 of May 12) WX Geek show through the TuneIn app on my phone featuring Dr Greg Forbes, severe weather expert on TWC and former long-term Meteorology professor at Penn State. This episode (and several others – just change the episode number and date on the URL) can be listened to directly on the web at: https://weloveweather.tv/episode-3/?utm_source=facebook.com&utm_medium=referral&utm_campaign=episode3wlw051218 . It was a great 45 minute show that is worth checking out!  I took a GLOBE CLOUD observation about 1415 to coordinate with the Suomi Satellite Flyover (one of these pictures is today’s featured image). I watched some wrestling and baseball in the evening, and also spoke with Ray at some length, and to Stan R on Tuesday morning at great length, catching up on his life of weather observations and his various struggles he has been experiencing (and continues to have). 

Monday stayed nice and cool, with clouds all day and rain from about 0145 to 0925. Overnight the skies cleared with lows in the mid 50s by sunrise Tuesday. Tuesday should be mostly sunny (with some fair weather cumulus at times) and warmer for the big Stanley Cup Celebration parade for the Caps in downtown Washington D.C., with highs in the upper 70s and lows in the mid 60s. Wednesday should be mostly cloudy and still warmer, highs in the upper-mid 80s and lows in the mid 60s with only a 20 POP for rain, then mostly sunny on Thursday with highs in the upper-low 80s and lows in the upper 50s. Friday should be sunny with highs around 80° and lows around 60°. Saturday should be partly cloudy and seasonable, highs in the upper-low 80s and lows in the mid 60s.

At 1011, Channel 4 radar is clear in most of the 4-state region. Closest widely scattered showers can be found in SW WV and KY, and also down in the coastal and offshore section of the Carolinas.

As of 1011, the data from the VP2 (coming from the ground radiation shield about 4 feet off the ground just under and out from the balcony) and the Lakewood WX Bug station are as follows:

A partly cloudy sky, dotted with fair-weather cumulus, and warming through the 60s currently (1011)..

Station Relative Location Temp  RH   DP     BP     Wind High/Low temp on Monday
VP2             Ground           65.8° 77% 58° 30.24″S NA    64.8°/57.7°

The total precipitation in the cocorahs gauge was 0.50″ through midnight Monday. The VP2 tipping bucket recorded 0.77″. I think the greater amount in the VP2 tipping bucket rain gauge is at least partially due to its proximity to a dense evergreen tree that frequently drips down and then blows the “catch” into the gauge. I mostly use this gauge to tell me when and how hard it rained.

Monday’s precipitation was 0.50″
June precipitation now 2.27″
Year-to-date precipitation total 20.69″

WX Bug Lakewood 4500 ft, 66° 72% 56° 30.23″R SSE 4 G SSE 11
                             140° from station                            64°/56°
The Lakewood rain gauge recorded 0.55″ of rain on Monday. June total precip is amazingly now at 6.55″ with the 2018 year-to-date (YTD) amount at 32.58″. I definitely continue to believe that at times the great disparity between the Lakewood WX Bug station precipitation amount total for the month and year and my cocorahs gauge based data is that the Lakewood precip values are estimated/adjusted from radar.

At 2400 obs Monday night the temperature from the VP2 was 60.4° RH 89% BP 30.19″R DP 57.1°
Partly cloudy, cooler and drier at 2400 Monday

Good morning from the partly cloudy, drying out home of the walrus on this Tuesday.