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ChescoWx
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Everything posted by ChescoWx
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Happy Red October Phillies Day to those who celebrate!!! Go Phillies! A beautiful stretch of autumnal weather on the way with both today and tomorrow reaching above normal high temps in the low 70's before we chill down to well below average highs starting on Monday and thru the rest of the week. Nigh time lows starting tonight will be in the 40's and maybe some 30's by Wednesday morning. Some shower chances increase by Sunday night with a cold frontal passage - otherwise a dry week.
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Happy Red October Phillies Day to those who celebrate!!! Go Phillies! A beautiful stretch of autumnal weather on the way with both today and tomorrow reaching above normal high temps in the low 70's before we chill down to well below average highs starting on Monday and thru the rest of the week. Nigh time lows starting tonight will be in the 40's and maybe some 30's by Wednesday morning. Some shower chances increase by Sunday night with a cold frontal passage - otherwise a dry week.
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With autumn upon us I thought I would look at the average first freeze along with earliest and latest occurrence across Chester County PA at all 31 available stations. As you might expect the relative lower elevations experience freezes and the end of the growing season about 6 days earlier compared to the somewhat higher spots. There is great variability across the years with the earliest recorded freeze being at Phoenixville on September 17, 1986 and the latest being over 2 months later at Devault 1W on December 2nd 1985. The average date of the first freeze is October 23 at elevations below 407 ft ASL and October 29 above 440 ft ASL.
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With autumn upon us I thought I would look at the average first freeze along with earliest and latest occurrence across Chester County PA at all 31 available stations. As you might expect the relative lower elevations experience freezes and the end of the growing season about 6 days earlier compared to the somewhat higher spots. There is great variability across the years with the earliest recorded freeze being at Phoenixville on September 17, 1986 and the latest being over 2 months later at Devault 1W on December 2nd 1985. The average date of the first freeze is October 23 at elevations below 407 ft ASL and October 29 above 440 ft ASL.
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A great stretch of weather albeit dry....with the only chance of rain being late Sunday night with the passage of a cold front. Behind the front temps will fall to below normal levels for early October with even some lows in the 30's possible by the middle of next week.
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A great stretch of weather albeit dry....with the only chance of rain being late Sunday night with the passage of a cold front. Behind the front temps will fall to below normal levels for early October with even some lows in the 30's possible by the middle of next week.
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We should see at least some sun today with temps nearing 70 degrees for the first time since last Friday. We warm to well above normal this weekend with highs in the mid 70's before we fall back to well below normal temps as we move through next week.
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We should see at least some sun today with temps nearing 70 degrees for the first time since last Friday. We warm to well above normal this weekend with highs in the mid 70's before we fall back to well below normal temps as we move through next week.
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While mighty rare (only 6 times since 1893) the first measurable snow can occur in October here in Chester County PA. The last occurrence was in 2011 and was also the largest October snowstorm in county history. It was elevation driven with between 5" to 9" of snow falling across the stations over 550 ft ASL. Of note the October snow in 1972 in some areas of the county would for the most part be the only snow of the winter season. In fact at Coatesville that was the only winter that no measurable snow was recorded.
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While mighty rare (only 6 times since 1893) the first measurable snow can occur in October here in Chester County PA. The last occurrence was in 2011 and was also the largest October snowstorm in county history. It was elevation driven with between 5" to 9" of snow falling across the stations over 550 ft ASL. Of note the October snow in 1972 in some areas of the county would for the most part be the only snow of the winter season. In fact at Coatesville that was the only winter that no measurable snow was recorded.
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Here in Chester County we finished September as the 65th coolest first month of autumn across 132 years of records - so pretty average. Below is the climate summary for the month across all 18 reporting stations. It was however the 14th driest September with an average rainfall of only 1.40"
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Here in Chester County we finished September as the 65th coolest first month of autumn across 132 years of records - so pretty average. Below is the climate summary for the month across all 18 reporting stations. It was however the 14th driest September with an average rainfall of only 1.40"
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We finally break out of the gloom starting tomorrow and we warm to above normal temps through Saturday before we start a chill down to below normal levels by early next week.
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We finally break out of the gloom starting tomorrow and we warm to above normal temps through Saturday before we start a chill down to below normal levels by early next week.
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Below are the all-time October Monthly records for Chester County. The Phoenixville 2007 temp looks about 3 degrees higher than all other stations....will look into that. So who remembers our Record October Snowstorm back in 2011? With 4" to 9" of snow across the County...with the most falling in the higher elevations?
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Below are the all-time October Monthly records for Chester County. The Phoenixville 2007 temp looks about 3 degrees higher than all other stations....will look into that. So who remembers our Record October Snowstorm back in 2011? With 4" to 9" of snow across the County...with the most falling in the higher elevations?
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Happy Red October to those who celebrate - Go Phillies!! We finished with our 2nd straight below normal month here in Chesco. Another cloudy cool day today before we finally break out of the gloom starting later tomorrow. Sun and slightly above normal temps through the weekend.
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Happy Red October to those who celebrate - Go Phillies!! We finished with our 2nd straight below normal month here in Chesco. Another cloudy cool day today before we finally break out of the gloom starting later tomorrow. Sun and slightly above normal temps through the weekend.
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Our gloomy weather continues as we close out September and roll into October. Small chances of some showers today with small chances tonight and tomorrow before sun finally returns by Thursday.
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Our gloomy weather continues as we close out September and roll into October. Small chances of some showers today with small chances tonight and tomorrow before sun finally returns by Thursday.
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Today is our 5th straight day with measurable rain with .03" since midnight. Some additional shower chances this morning but mainly a cloudy damp and cool few more days ahead before we dry out by Wednesday. Of note we will finish September with our 2nd straight below average temperature month. This is our first back to back below average months since May and June in 2023.
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Today is our 5th straight day with measurable rain with .03" since midnight. Some additional shower chances this morning but mainly a cloudy damp and cool few more days ahead before we dry out by Wednesday. Of note we will finish September with our 2nd straight below average temperature month. This is our first back to back below average months since May and June in 2023.
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Our gloomy weather continues another 0.09" fell here in East Nantmeal since midnight. We have picked up 1.45" of rain so far this week. Rain chances continue though no wash out days through Tuesday. Today will be the relative warmest day of the week with temps reaching the low 70's. We fall back into the 60's for highs for most of the upcoming week.
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Our gloomy weather continues another 0.09" fell here in East Nantmeal since midnight. We have picked up 1.45" of rain so far this week. Rain chances continue though no wash out days through Tuesday. Today will be the relative warmest day of the week with temps reaching the low 70's. We fall back into the 60's for highs for most of the upcoming week.
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We have 0.80" in the bucket here in East Nantmeal - and 1.00" exactly since yesterday.
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