West Rockville MD Weather

Our wetter patterns during the beginning of June resumed from the 17th-20th after a five day stretch of cool, cloudy, dry, rather pleasant weather conditions from the 13th-16th. 70s max temps prevailed on most days, with only 2 days reaching the 80s. Thunderstorms marked the afternoons of the 19th-20th. We had four measurable rainfall days (total of 1.56″) during the 9 day period along with at least partially cloudy skies on 7 of the 8 days.   We have already…

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Our generally cooler and drier patterns of May transitioned into warmer and wetter conditions for the first third of June. 70s max temps began the month comfortably but abruptly changed to hot 90s on the third with big storms on the 4th and 5th, then a few comfortable low 80s days then heating up again into the upper 80s towards the end of the period with occasional rain showers. We had only four measurable rainfall days during the 11 day…

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Our generally cooler than normal pattern persisted over the last third of the month, with a few notable warm 80s max interludes. We continued to also be drier than normal though we did have 5 measurable rainfall days for the 11 day period along with at least partially cloudy skies on 10 of the 11 days during the period. We had a total of 2.22 inches of rain in May (including 0.87″ during this particular period) and 16.76 inches for…

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MONTHLY SUMMARY April 2020 was cooler and wetter than normal. My maximum temperature average (61.9°) was 3.4° below normal but my minimum temperature average (43.6°) was still a bit above normal (+0.7°), resulting in the mean temperature average of 52.8° to be 1.3° below normal. My total precipitation of 6.79″ was 3.50” above the normal March value for my station of 3.29”. There were 17 days with measurable precipitation, distributed fairly evenly throughout the month but with the maximum amounts…

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Our continued cool pattern persisted over this second middle May period, but the rain stopped. We were totally dry for the 10 day period despite persistent cloudiness on most days. So we still have a total of 1.35 inches of rain in May and 15.89 inches for the year through May 20. Minimum temperatures at or below the freezing mark have headed elsewhere till the fall, though we did have one day with mins in the 30s (13th – 38.9°)….

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Our continued cool pattern continued through several of the first 10 days of May, highlighted by max temps remaining in the 40s on May 9, and near freezing mins around that time. We had a total of 1.35 inches total of rainfall during this period, with 15.89 inches for the year through May 10. Once again we had no days with minimum temperatures at or below the freezing mark (But coming close with the extreme low of 33.5 degrees on…

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Our wet, cool pattern continued through the last 10 days of April, highlighted by the rainstorm on the last day of the month. We had a total of 1.91 inches total of rainfall during this period, with 14.54 inches for the year through April 30. Once again we had no days with minimum temperatures at or below the freezing mark (Extreme low 36.6 degrees on the 22nd – but 7 additional days with minimums in the 40s).  During this latest…

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March 2020 was significantly drier and warmer than normal. My maximum temperature average (60.6°) was 7.1° above normal but my minimum temperature average (41.9°) was even more significantly above normal (+8.5°), resulting in the mean temperature average of 51.2° to be 7.8° above normal. My total precipitation of 2.46″ was 1.28” below the normal March value for my station of 3.74”. There were 13 days with measurable precipitation, distributed fairly evenly throughout the month. All daily values were less than…

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More dynamic forces were at work during this latest period, as the strong, significant cold frontal passage on the 13th with accompanying severe weather and a pattern change to cooler temperatures carried through the rest of this period. We had a total of 3.46 inches total of rainfall during this period, with 12.63 inches for the year through April 20. Once again we had no days with minimum temperatures at or below the freezing mark (extreme low 33.7 degrees on…

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Changing up on my usual once every 10 days reporting pace, I thought the very active, stormy pattern for a good part of the day on Monday was quite interesting and warranted a special post off-schedule. Light rain began late Sunday evening, continuing overnight into Monday morning and slowly increasing in intensity as the rumble of thunder became more frequent. A very active warm front advanced north into the area along a vigorous LOW pressure system. Tornadoes from this system…

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