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Post by sari on Apr 23, 2019 19:06:16 GMT -5
I encountered this rather exceptionally intense month today. 19 days with measurable snow, 24 if you count traces. Only 7 out of 31 days recorded 0.0".  |
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Post by Crunch41 on Aug 30, 2019 23:45:31 GMT -5
July 1936 was the hottest ever in North Dakota, as most of this forum knows already. The temperatures are impressive for the northern US, a 95F average high is impossible for me even though I'm much further south. But this station has really odd precipitation data. A trace of snow, every day.
Edit: after checking a few other months, this station was doing this for years, it appears to stop in the late 1940s.
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Post by Babu on Dec 20, 2019 3:16:34 GMT -5
July and August 2017 at Kish Island, Iran  |
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Post by irlinit on Dec 21, 2019 4:13:04 GMT -5
July and August 2017 at Kish Island, Iran Incredible, absolutely no respite from the heat |
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Post by Ariete on Dec 21, 2019 8:10:42 GMT -5
Jan 2010, last "ice month" in Turdku.
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Post by Babu on Dec 21, 2019 8:45:48 GMT -5
I'm so fucking fascinated by the Persian gulf. Here are some more examples of that summer (which I don't know if it was recordbreaking, but it seems to at least have been both the warmest July and August in at least a decade) Pure heat, but not that humid  Slightly cooler, but higher average humidity  One day had some pretty impressive humidity for the high temperatures: 47.2'C @25.3'C DP and 44.2'C @ 27.1'C DP, both of which are "only" 60'C heat index though.  This place had some wicked humidity just like Kish Island  Managed to find a 33'C reading with 100% humidity! 60'C heat index in the middle of the night.  This is the highest heat index I could find just opening up days at random for a few minutes: The hottest tri-hourly reading was 37.7'C/32.4'C temp/dp, and probably sometime around that time, a 40.3'C was recorded. 37.7/32.4 is already a 65'C heat index, but if we assume the DP was 32.4'C when the high of 40.3'C was recorded, then the heat index would've been 69'C!  |
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Post by Crunch41 on Mar 5, 2020 21:36:28 GMT -5
February 1899 in Roseau, Minnesota. The 8th is probably the coldest high temperature recorded in the US outside of Alaska. Almost -40.  Note: Some stations only recorded two or three times a day back then. It's possible this was one of those stations and the true high was slightly warmer.
Roseau averaged 9/-11F (-13/-24C) in January for 1971-2000, and 18/-3F (-8/-20C) in February (from wikipedia) |
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Post by omegaraptor on Mar 5, 2020 23:00:17 GMT -5
 Elko, Nevada January 1949. Who knew somewhere in Nevada could have a winter month with a similar average temp to Winnipeg with average lows similar to parts of interior Alaska? |
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Post by Crunch41 on Apr 8, 2020 12:29:57 GMT -5
Forks, Washington this past January. Do you like rain? It rained every single day, with 14 days getting over an inch.
A normal January in Forks sees 23.3 days with rain and 1.5 days with snow. Average sunshine at a nearby station is 20% (55 hours). Wikipedia link. |
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Post by Nidaros on Apr 9, 2020 7:17:15 GMT -5
Still can punch some real cold in the latest decades even without going into the Arctic....imagine yourself having to endure 30 days like this...  
Jan 6th data missing here should be: high -32.9c, low -41.5c
25 days with low < -20c / -4F
15 days with low < -30c / -22F 3 days with low < -40c / -40F
23 days with high < 10c / 14F
11 days with high < -20c /-4F
3 days with high < -30c / -22F
For comparison, Trondheim-Voll in what was the coldest 30-day period in recent decades (airport had low of -23.9c)
Sula island down to -7C same period
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Post by Crunch41 on Apr 9, 2020 9:56:57 GMT -5
Still can punch some real cold in the latest decades even without going into the Arctic....imagine yourself having to endure 30 days like this...
Jan 6th data missing here should be: high -32.9c, low -41.5c
25 days with low < -20c / -4F
15 days with low < -30c / -22F 3 days with low < -40c / -40F
23 days with high < 10c / 14F
11 days with high < -20c /-4F
3 days with high < -30c / -22F
For comparison, Trondheim-Voll in what was the coldest 30-day period in recent decades (airport had low of -23.9c)
Sula island down to -7C same period
The Trondheim month could be a month in my climate. I like that kind of weather. But the month in Roros is colder than I've ever experienced. Extremely cold except for a few milder days. Spending any amount of time out in a -32/-42 day takes special clothing and preparations. Also many cars won't start without an engine block heater. Most people don't have one around here. |
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Post by Nidaros on Apr 9, 2020 14:22:44 GMT -5
April/start May last year, 50 km east of Oslo Up to 25.2C diurnal
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Post by Morningrise on Apr 9, 2020 15:50:02 GMT -5
Still can punch some real cold in the latest decades even without going into the Arctic....imagine yourself having to endure 30 days like this... Ha! I don't need to imagine, I've actually experienced it Behold... late winter 2019 in Saskatoon:  (the dates are off by one for some reason - the data shown on Feb. 2nd actually happened on Feb. 1st, the date listed as March 1st is actually Feb. 28th and so on) That February was the 4th coldest February on record, the 2nd coldest month in my lifetime (right after Jan 1996) and the most anomalously cold month in my lifetime. It featured 13 nights below -30C, our first nights below -40 in just over a decade, 12 highs below -20C, 3 highs below -25C, and only one high above -10C. |
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Post by boombo on Apr 9, 2020 16:45:42 GMT -5
Still can punch some real cold in the latest decades even without going into the Arctic....imagine yourself having to endure 30 days like this... Ha! I don't need to imagine, I've actually experienced it Behold... late winter 2019 in Saskatoon: (the dates are off by one for some reason - the data shown on Feb. 2nd actually happened on Feb. 1st, the date listed as March 1st is actually Feb. 28th and so on) That February was the 4th coldest February on record, the 2nd coldest month in my lifetime (right after Jan 1996) and the most anomalously cold month in my lifetime. It featured 13 nights below -30C, our first nights below -40 in just over a decade, 12 highs below -20C, 3 highs below -25C, and only one high above -10C. That is just beyond comprehension, I can't even get my head around those kind of lows in particular going on for week after week... This was the only time in my lifetime we've had snow on the ground for 30 consecutive days, same 2009/10 cold spell as the Trondheim example further up.  |
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Post by Nidaros on Apr 9, 2020 16:51:07 GMT -5
Still can punch some real cold in the latest decades even without going into the Arctic....imagine yourself having to endure 30 days like this... Ha! I don't need to imagine, I've actually experienced it Behold... late winter 2019 in Saskatoon: That February was the 4th coldest February on record, the 2nd coldest month in my lifetime (right after Jan 1996) and the most anomalously cold month in my lifetime. It featured 13 nights below -30C, our first nights below -40 in just over a decade, 12 highs below -20C, 3 highs below -25C, and only one high above -10C. Very consistent cold lows! At least you avoided highs < -30c. Btw, here is the continuation of the same winter at Røros, from mid-Jan to the end of Feb - still no day reaching 0c (!) and 7 more lows below -30c, four of those below -35c. Didn't reach 0C untill March 7th with 3.3c, last time was Dec 12th with 1.2c, so almost 3 months with continous icedays. Also got one more <-30C low in March. Røros was not the coldest station in this area during that winter.
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Post by Morningrise on Apr 9, 2020 21:56:47 GMT -5
Ha! I don't need to imagine, I've actually experienced it Behold... late winter 2019 in Saskatoon: (the dates are off by one for some reason - the data shown on Feb. 2nd actually happened on Feb. 1st, the date listed as March 1st is actually Feb. 28th and so on) That February was the 4th coldest February on record, the 2nd coldest month in my lifetime (right after Jan 1996) and the most anomalously cold month in my lifetime. It featured 13 nights below -30C, our first nights below -40 in just over a decade, 12 highs below -20C, 3 highs below -25C, and only one high above -10C. That is just beyond comprehension, I can't even get my head around those kind of lows in particular going on for week after week... It was definitely the "week after week" part that was unusual for us that time around. It's perfectly normal to get temperatures like that a few times each winter, but it's usually a week to 10 days or so (or even just a few individual days here and there), never for a whole month straight. Even by our standards that was a cold one. |
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Post by Crunch41 on Apr 19, 2020 16:21:19 GMT -5
Rochester (Minnesota, not New York) for May 2013.
Snow storm on the 2nd, 97F/36C on the 14th, and very wet overall. A wild month.
Edit: ignore the metric snow numbers. 14 inches is 36 cm.
The highest total was in extreme northern Wisconsin, which was probably a record there, but not as extreme compared to average. The very northern tip of the state is sparsely populated.
Records broken:
Snowiest May: previous record was 2" Wettest May: second place was May 2019 with 9.42" Lowest May max temp: Previous record 35F/2C
Almost broken: Latest ice day on record - latest is April 18th. An ice day in May at 44N would be impressive. Snowiest day: Tied for 4th place, the highest was 19.8" in March 2005. Most days with 0.01" precipitation: Tied the record, 20 days has happened 10 times, but never 21.
Monthly high temperature. 97F is second place. The first is an untouchable 106F/41C in 1934. Only July 1936 was hotter. Since 1936, the hottest temperature has been 102F/39C, not just for May, for any month. |
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Post by Crunch41 on Aug 31, 2020 0:04:22 GMT -5
June 1934 in Melbourne Milwaukee. Large temperature swings for a summer month. The 1st reached 104F/40C, the second hottest day ever and a full 9F/5C above anything recorded in May. The 2nd had a high of 63F/17C. That was the largest change, but there are smaller ones the whole month. The 6th-7th-8th went 80, 60, 80. The 20th-23rd 95, 75, 71, 95. June is the most variable summer month because the lake is not warmed up yet and an east wind can bring temperatures crashing to the 50s especially in early June. However, this month was way more extreme than normal. 1934 was a very hot summer so the contrast between inland and lake temperatures was much larger than usual. I really want to see hourly data for the end of May and start of June. If there are hourly records for 1934 online I have not found them. Anyone?
Daily data (including the end of May, since the extreme day was on the 1st).
Madison reached their May record high of 101 from this heatwave.  I'm going to cheat and put two months in this post. July 1934 saw the all time record high of 105F/41C during another short heatwave. Madison had a longer heatwave this month, but Milwaukee only got 1 hot day. Still looks fake. This would be a great summer month to me. Mild with record heat (this month) is more exciting than constant above-average stability. |
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Post by segfault1361 on Sept 3, 2020 21:36:19 GMT -5
The March 2012 heat wave was hands down the craziest month I've experienced in Toronto... I'm comparing it side-by-side with March 2014 just for prosperity to show how ridiculously warm that month was.  |
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Post by nei on Nov 21, 2020 10:56:50 GMT -5
AJ1013 and ilmc90 were discussing how cold Dec 2010 was; wasn't in New England  southeast meanwhile Feb 2015; departure of 15°F
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