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Old 10-01-2019, 10:45 AM
 
Location: Lexington, KY
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First month since records began in 1872 with no measurable precipitation.



Also the warmest September on record, surpassing 1925 by 1.3F.

Average high: 90.8F (+12.0F) / 32.7C (+6.7C)
Average low: 64.1F (+6.6F) / 17.8C (+3.6C)
Mean temp: 77.5F (+9.4F) / 25.3C (+5.2C)

Max dew point: 72F (22C)
Avg dew point: 59.6F (15.3C)
Min dew point: 40F (4C)




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Old 10-01-2019, 11:30 AM
 
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As recorded from Hyslop Field, Corvallis, Oregon's official NWS weather station:

Average Max 73.4 (23.0); 3.1 (1.8) below average
Average Min 51.2 (10.7); 3.4 (1.95) above average
Warmest was 93 (33.9) and coolest was 38 (3.3)

Rainfall was 3.23 inches or 1.90 inches above average. In metric that would be 82 mm and 48.3mm above long term averages.

September is when we in the Pacific Northwest start seeing signs that fall is approaching and we begin our rainy season. This year we more than doubled our long term norms. Going back to 1893 there have been only eight Septembers wetter than this one and the last time was that freak September of 2013 when we had over seven inches dump on us.
Warmer than average but only just, really no more than noise and the last half was singularly unpleasant. We were caught up in a very deep and persistent trough which brought the northern jet stream well into California instead of central B.C. where it belongs. This wild jet stream swing also set up persistent high pressure in the southeast, lower Midwest and Alaska's North Slope. All three have has an extension of summer that shows little sign of going away (posts subsequent to mine will very likely touch on their deviant weather).
So, what of October? The NWS Climatic Prediction Center has called for a better than even chance for near to above normal temperatures and near average rainfall for the Northern tier of the country clear to the Great Lakes. The Weather Channel (which is surprisingly accurate on these things) tells us to expect a much greater than average chance of near or below normal temperatures with above average rainfall.
For what it's worth, I think the first half of the month will be a continuation of the same chill, gloom and slop we've been seeing during the second half of September and beyond that I won't hazard a guess.
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Old 10-01-2019, 04:39 PM
 
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Bone dry in a lot of places. Not one drop of rain last month.
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Old 10-01-2019, 04:57 PM
 
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Quote:
Originally Posted by Digger 68 View Post
Bone dry in a lot of places. Not one drop of rain last month.
Same for most of FL. I was lucky and got around 2". 2006 was only .80". 2nd hottest Sept ever for our area.
This a insane rapid warm up since 2011 and no end coming.
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Old 10-01-2019, 07:09 PM
 
Location: Norman, OK
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This September was pretty crazy. It was the seventh warmest on record, but that was mostly in the lows. The average low was the fourth warmest on record, while the average high was only eighteenth warmest. The monthly highest temp of 95F/35C was below normal, as was the warmest low of 72F/22C. Yet the lowest low of 66F was 9F warmer than the previous record, and the greatest positive or negative deviation for highs or lows from second place for any month. The lowest high of 82F/28C was 4F warmer than the previous record, which is unusual but less extreme. Also, there was only 29F (16C) of variation between the warmest and coldest temperatures of the month, 9F less than the previous record. In fact, the monthly record high and low were set on the same day! The month was drier than normal without many thunderstorms, but we had a wet end to August, so we aren't at risk of drought yet.





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Old 10-01-2019, 07:42 PM
 
Location: Alexandria, Louisiana
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Tied for 9th hottest September on record. Warmest highs of the year. Nearly all the rain came from Tropical Storm Imelda Sept 17-20 (while I was on vacation).

Lowest max: 80F
Highest min: 73F

Highest dewpoint: 78F
Average dewpoint: 70F
Lowest dewpoint: 61F

Thunder days: 2

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Old 10-03-2019, 04:51 PM
 
23,526 posts, read 13,170,600 times
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Quote:
Originally Posted by Wildcat15 View Post
First month since records began in 1872 with no measurable precipitation.



Also the warmest September on record, surpassing 1925 by 1.3F.

Average high: 90.8F (+12.0F) / 32.7C (+6.7C)
Average low: 64.1F (+6.6F) / 17.8C (+3.6C)
Mean temp: 77.5F (+9.4F) / 25.3C (+5.2C)

Max dew point: 72F (22C)
Avg dew point: 59.6F (15.3C)
Min dew point: 40F (4C)





Wow
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Old 10-04-2019, 10:17 PM
 
Location: Wisconsin
598 posts, read 471,203 times
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Quote:
Originally Posted by srfoskey View Post
This September was pretty crazy. It was the seventh warmest on record, but that was mostly in the lows. The average low was the fourth warmest on record, while the average high was only eighteenth warmest. The monthly highest temp of 95F/35C was below normal, as was the warmest low of 72F/22C. Yet the lowest low of 66F was 9F warmer than the previous record, and the greatest positive or negative deviation for highs or lows from second place for any month. The lowest high of 82F/28C was 4F warmer than the previous record, which is unusual but less extreme. Also, there was only 29F (16C) of variation between the warmest and coldest temperatures of the month, 9F less than the previous record. In fact, the monthly record high and low were set on the same day! The month was drier than normal without many thunderstorms, but we had a wet end to August, so we aren't at risk of drought yet.

Those nights are incredibly consistent! It looks like a tropical climate, but you are not close to the tropics. Very unusual.


Wildcat too, wow, zero rain in a full month? It was wet by me further north.
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Old 10-05-2019, 11:18 AM
 
Location: SE Estonia
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Temperature wise the different parts of September had a different look in my area: a warm start, a cold middle part that became more normal at the end of the month. All in all, the daily mean was +0.6c from averages, precipitation above average, sunshine above average.
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Old 10-05-2019, 12:02 PM
 
Location: Austin, TX
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It was hot as hades in Austin.
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