ChescoWx
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Today looks to be the warmest day of the week across Chester County with temps warming into the low 80's. There is a chance of some showers especially across NW Chesco and Berks Counties. A little cooler tomorrow and then near 80 again on Wednesday. Looking at some longer range models that may be the last day we top 80 degrees this year in the County. Much chillier air more typical of mid-October arrives by Thursday. Temperatures on Friday will struggle to get into the low 60's with low to mid 40's for lows by Saturday morning. The record high for today is 92 degrees set in 1983. The record low is 36 degrees set in 1943. The daily rainfall record is the 3.27" that fell way back in 1894.
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The next few days will continue to average above average temperature wise before a sharp cold front and switch to autumnal chilly weather arrives by Thursday. We should see high temps remaining in the low to mid-60's by Friday. Those kind of temperatures are typical for mid-October than late September. The record Chester County high for today is 93 degrees set way back in 1898. Our record low reading was the 35 degrees set in 1990. The daily rainfall record is 3.90" from 1945.
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Our warming trend gets well under way today as we rise to the above normal upper 70's to near 80 across much of the County. Above normal temps should continue through Thursday before much cooler air again arrives on Friday with highs on Friday again failing to escape the 60's in many locations. Our record high today is 93 degrees set back in 1915. The record low is 36 degrees set back in 1959. The daily rainfall record is the 3.01" that fell in 1995.
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If GFS is to be believed....some 30's within next 2 weeks as we close out September
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This morning's low of 48.6 was our coldest reading since the 47.8 back on May 11th. A near normal day today across the County before a warming trend kicks in starting over the weekend and lasting through most of next week. We should see temps rise to well above normal with highs in the low to mid 80's for most of next week. That is a good 8 to 10 degrees above normal. There is a slight chance of showers on Monday but otherwise dry through the period. The record high for today is 91 degrees set in 1991. Our record low is 36 degrees in 1913. The record rain was the 7.85" at Coatesville from 1999. That rain was the result of Hurricane Floyd and is the greatest 1 day rain total since "official" record keeping began back in 1888 for Chester County PA. I was actually in Thorndale PA for that storm and we received 8.38" of rain.
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Today we may struggle to get out of the upper 60's across some of the higher terrain in Chester County. Lows tonight could see the 40's especially in the lower spots and valleys. This would be the first reading in the 40's since our low of 49.5 on June 20th. Our record high for today is 93 degrees from 1927. The record low is 35 degrees from 1895. The daily rainfall mark is the 1.85" that fell back in 1904.
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Our record high for today here in Chester County PA is 92 degrees set back in 1915. The record low for today is 36 degrees from 1975. The daily rainfall record is the 3.53" that fell in 1966.
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Many sections of Chester County PA are now well above normal regarding both monthly and YTD rainfall. With the passage of the cold front last night we are beginning a stretch of almost perfect late summer weather. Wall to wall sunshine every day with temperatures averaging near to a little below normal over the next 5 days before temps rise to a bit above normal by Sunday. Many of the lower spots in the county may actually see their 1st reading in the 40's by Friday morning! Our record high for today is 96 degrees set in 1952. The record low is 37 degrees set in 1953. The daily rainfall record is 2.33" set back in 1930.
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My Tempest is down for the 3rd time down the shore since it's install last December! They are sending me another replacement #4 - really disappointing and way too many $$ spent as each time I need to install on the roof it is a $150 charge as you need a 40ft plus ladder to get to the roof and I don't have one. -
We have picked up 1.78" of rain so far since yesterday. We should see some additional showers developing across Chester County by this afternoon. The record high for today is 97 degrees set back in 1931. Our record low is 38 degrees set in 1917. On this date back in 1960 we received a record 2.37" of rain which followed the 3.35" that was recorded on the 11th - that rain was all from Hurricane Donna. The 2 day total rain was 5.72"
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Now up to 1.74" of rain so far today. Picked up 0.97" just in the last 45 minutes here in East Nantmeal with the heavy storm that passed over NW Chester County.
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Some off and on showers today with temps remaining in the 60's across most of Chester County today. We have already received 0.39" of rain here in East Nantmeal Township and some areas may pick up around an inch of rain before we start to dry out tomorrow night. Our record high today is 99 degrees set way back in 1897. The record low is 34 degrees set in 1924. The daily rainfall record is the 3.35" that fell today in 1960.
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Our morning low here in East Nantmeal was 56.6 degrees this is about 3 degrees below average. Yesterday was our 3rd straight below average temperature day here in Chester County. Today looks to be again just a little below normal but with sunny skies. Clouds will be on the increase tonight with showers likely by tomorrow afternoon, Looks like shower chances will continue till Tuesday morning. Our record high today is the 99 degrees set back in 1897. The record low is 38 degrees from 1975. The daily rain record occurred back in 2015 when 1.75" of rain was recorded.
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An almost perfect Friday across the County. The weekend starts out nice but showers chances increase by Sunday PM. The start of next week looks like some showers are likely before we clear out again by Tuesday PM. Longer term temps looks to average above normal through most of the month of September before a turn to cooler by the final week of September. Our record high for today is 94 degrees set back in 1959. The record low is 38 degrees from 1984. The daily rainfall record is the 2.15" that fell today in 1902.
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It looks like a great stretch of late summer weather with temps over the next week running within a couple degrees of normal. Our next shot at some rain looks to be toward Tuesday here in Chester County.
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Here in East Nantmeal I ended with 2.73" of rain. We are now back up to 1.13" above normal precipitation so far here in 2022. Today will be a bit gloomy with some light showers that are backing in off the ocean from the northeast. The on shore flow will keep most spots in the upper 60's today - our normal high for today is 79.0.
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We have certainly received that much needed rainfall with 2.55" so far in East Nantmeal with 0.11" falling before midnight. Some other Chester County rainfall amounts so far include Elverson 2.00" / Marsh Creek at 2.64" / Downingtown (Hawk Hill) 2.66" and KMQS airport 1.95". We have a chance to set a new daily rainfall record which is 2.96" set back in 2008.
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Another nice day in Sea Isle with a Phillies banner flying....now if they would only mix in a win today!!
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Interesting data review below from Chris Martz. "There has been NO measurable increase in the average per year number of days ≥90°, ≥95° and ≥100° across all 69 long-term, open northeastern GHCN stations I analyzed for this data"
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Our record high for today is 101 degrees set back in 1953. The record low was 45 degrees from 1994. The daily rainfall record is 2.40" from 1963.
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Wow!! The reaction and response to this post which I also placed on my Chester County Facebook site with my now ~4,000 followers is beyond ridiculous!!! I have received 61 emails in the last 3 hours to my chescowx.com email asking me why Cecily Tynan (from Channel 6 in philly) who retweeted the above 50 year change in the US yesterday failed to go back further in the NWS data set to illustrate. I clarified that the data I presented is strictly based on the NWS COOP sites in Chester County (without any assumption around worldwide or national views) and I assume it may be because she gets her data feed from their contract with AccuWeather and to expect she may be forthcoming with data from PHL that focuses on KPHL and the longer term Philadelphia climate set....which might slightly tweak the US National view that she posted yesterday. I love how many folks in addition to the weather weenies on this site love the weather!! We are all so lucky!!
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Below is an analysis of the long term changes in temperature for Summer (June-August) for all available NWS Chester County Coop sites for the last 11 decades. There is a clear cyclical flow. I saw Cecily Tynan posted a chart last night that only showed since 1970...which she usually does. When we post the longer term data it becomes clearer the ebb and flow of temps since we had reliable thermometers in the 1880's/1890's. The 1930's represent the warmest departure by far.
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A nice but unfortunately dry Labor Day weekend on tap with temps running in the low to mid 80's - which is several degrees above normal for the first week of September here in Chester County PA. Rain chances will be on the increase by Labor Day evening with showers likely by Monday night into Tuesday. Our record high for today is a searing 101 degrees set back in 1953. The record low today is the 45 degrees today in 1994. The daily rainfall record was the 2.40" from 1963.
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This may change later as the NWS is aware of the sensor problem at PHL...
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Just a perfect day out there today! Of note today back in 2017 we recorded the earliest high temperature that stayed below 60 degrees in Chester County with history back to 1894.