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Author: Kevin Shaw

A snowy morning, colder PM update for West Rockville Maryland on Wednesday, January 17 2018

A snowy morning, colder PM update for West Rockville Maryland on Wednesday, January 17 2018

Wednesday featured a small snow occurrence (0.7″) during most of the early AM hours, then cold and slow clearing during the PM hours. The Wednesday maximum temperature from the VP2 (32.3°) was recorded at 0000 while the minimum temperature (17.0°) was recorded nearly 24 hours later at 2340. The PM Max temperature was only 23.8° at 1455, with the AM min was 22.5° at 0720. My dew point temperatures rose early then dropped with the colder, drier PM air, ranging…

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Archive of U.S. Daily Weather Maps from 1871 to the present time.

Archive of U.S. Daily Weather Maps from 1871 to the present time.

I posted about this great website in a very recent daily weather post of mine, earlier this week, but Nathan encouraged me to make a separate blog about it. There is endless possibilities and fun that can be had by viewing and studying daily weather maps from the past. Looking up the weather map for the day you were born, verifying storm data/dates of memorable occasions in the past, settling disagreements about when a big snowstorm occurred, and what the…

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A mostly cloudy, milder update for West Rockville Maryland on Tuesday, January 16 2018

A mostly cloudy, milder update for West Rockville Maryland on Tuesday, January 16 2018

Tuesday was a mostly cloudy, milder day, with snow approaching and starting right around obs time at the end of the day. The Tuesday maximum temperature from the VP2 (38.0°) was recorded at 1517 while the minimum temperature (28.3°) was recorded at 0734. My dew point temperatures rose a bit more today, ranging from 25° at 1238 up to 29° at 2340. Relative humidity values remained fairly high alll day, similar to yesterday (91% – 61%). Barometric values lowered some…

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A partly sunny, milder, dry update for West Rockville Maryland on MLK Day Monday, January 15 2018

A partly sunny, milder, dry update for West Rockville Maryland on MLK Day Monday, January 15 2018

Monday was a partly sunny, milder day but still staying below freezing all day. The Monday maximum temperature from the VP2 (30.1°) was recorded at 1636 while the minimum temperature (15.0°) was recorded at 0657. My dew point temperatures started to rise later in the day, ranging from 7° at 0000 up to 26° at 2308. Relative humidity values rose significantly (89% – 63%). Barometric values lowered some (but still quite high) from a very early AM high of 30.67″…

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A sunny, colder update for West Rockville Maryland on Sunday, January 14 2018

A sunny, colder update for West Rockville Maryland on Sunday, January 14 2018

Sunday was a sunny, much colder day as we headed down into the deep freeze once again. The Sunday maximum temperature from the VP2 (24.2°) was recorded at 1544 while the minimum temperature (14.4°) was recorded at 0738. My dew point temperatures stayed very low all day, ranging from 7° at 0351 down to 1° at 1045. Relative humidity values dropped significantly (69% – 36%). Barometric values rose a lot more on Sunday from a very early AM low of…

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A cloudy, very mild, wet early AM then colder, partly cloudy, drying-out PM update for West Rockville Maryland on Saturday, January 13 2018

A cloudy, very mild, wet early AM then colder, partly cloudy, drying-out PM update for West Rockville Maryland on Saturday, January 13 2018

Saturday was cloudy, very mild, breezy and wet (0.45″) through most of the early AM, then it started turning colder as the cold front pulled on through with partial clearing and strong winds at times. The very warm Saturday maximum temperature from the VP2 (60.6°) was recorded early at 0044 while the much colder minimum temperature (19.1°) was recorded at 2359. My dew point temperatures were high early but really fell a lot all day, ranging from 60° at 0020…

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A cloudy, very mild, wet update for West Rockville Maryland on Friday, January 12 2018

A cloudy, very mild, wet update for West Rockville Maryland on Friday, January 12 2018

Friday was cloudy, breezy and wet (0.90″), mostly from evening rains (3.24″/hour max rain rate (MRR) at 2003), with a very mild, humid southerly flow driving high temps into the mid 60s and dew points well above 60° for a good part of the day and especially evening. The very warm Friday minimum temperature from the VP2 (56.2°) was recorded early at 0000 while the maximum temperature (66.5°) was recorded at 1519. My dew point temperatures really rose more today,…

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A cloudy, very mild, slightly wet update for West Rockville Maryland on Thursday, January 11 2018

A cloudy, very mild, slightly wet update for West Rockville Maryland on Thursday, January 11 2018

Thursday was mostly cloudy, but with some sunny intervals, and much warmer, with high temps approaching the 60° mark after lows in the upper 30s in the early AM. Towards evening we had a bit of light rain, and with the air becoming humid the damp ground stayed that way despite the very light amount of rain (0.01″). The Thursday minimum temperature from the VP2 (37.8°) was recorded early at 0300 while the maximum temperature (58.9°) was recorded at 1557….

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A cloudy, mild, but dry update for West Rockville Maryland on Wednesday, January 10 2018

A cloudy, mild, but dry update for West Rockville Maryland on Wednesday, January 10 2018

Wednesday started out partly cloudy, but clouded over by mid-morning and stayed that way the rest of the day. Still mild but slightly cooler with the clouds than yesterday, with highs in the low 40s after an overnight into the upper 20s. The Wednesday minimum temperature from the VP2 (28.5°) was recorded at 0529 while the maximum temperature (42.5°) was recorded at 1433. The ground was dry all day, so there was no real icing problem in the early AM….

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A sunny, milder, melting update for West Rockville Maryland on Tuesday, January 9 2018

A sunny, milder, melting update for West Rockville Maryland on Tuesday, January 9 2018

Tuesday warmed up under full sun up into the mid 40s, melting all the ice and snow left from previous storms. The Tuesday minimum temperature from the VP2 (29.8°) was recorded at 0456 while the maximum temperature (46.1°) was recorded at 1634. The ground remained very cold into the morning hours, and yesterday’s light rain (corrected to a .06″ total) was hazardous afoot and for cars during the morning rush. My dew point temperatures ranged from 35° at 1007 down…

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