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Old 01-03-2021, 04:31 AM
 
Location: Syrmia, Northern Serbia, near 45 N
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Numbers of days with snow cover by seasons in Belgrade in 21st century. Average for 2000/01-2019/20 is 33.2 days.

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Old 01-09-2021, 05:38 AM
 
Location: Syrmia, Northern Serbia, near 45 N
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Meteorological data for locality Viline Vode (1810 m above sea level) near Kolašin in Montenegro for 2019 and 2020.



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Old 01-22-2021, 03:04 AM
 
Location: White House, TN
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It seems that extreme temperatures - heat and cold, but especially cold - are becoming rarer where I live (near Nashville, TN). I decided to look at the difference between the lowest low and highest high for each year since 1875.
The average for the entire period of record, 1875-present, was 93.5 F / 51.9 C (4.7 F / -15.2 C low - 98.2 F / 36.8 C high). Since the average value was approximately 93 F, I used this as the mid-point of the "C" grade. Here is the grading scale and number of years for each value:

A - 104+ F / 57.8 C - 20 years
B - 97-103 F / 53.9-57.8 C - 25 years
C - 90-96 F / 50.0-53.9 C - 53 years
D - 83-89 F / 46.1-50.0 C - 39 years
F - <82 F / 46.1 C - 9 years

If we take the current climate normal, 1991-2020, the average amplitude was 89.4 F / 49.7 C, putting this period in the high-end D range on average. There were no A's, 1 B, 14 C's, 13 D's, and 2 F's. (The B was 1996 and the F's, 2013 and 2020). The last F-range year before 2013 was 1938. Also, this is the only climate normal period in which no A-grade years were recorded, the most recent being 1989.

If we take the 30 years preceding that, 1961-1990, the average amplitude was 98.1 F / 54.5 C, putting this period in the low-end B range on average. There were 8 A's, 7 B's, 12 C's, 3 D's, and no F's.

The best year in regards to temperature range was 1985, with 115 F / 63.9 C separating its yearly low of -17 F / -27 C and its yearly high of 98 F / 37 C.
The worst year was 1921, with just a 76 F / 42.2 C span between its yearly low of 22 F / -6 C and its yearly high of 98 F / 36 C. That 22 was the warmest temperature ever recorded for a yearly low.

Here are the trends among climatological normal periods:
1881-1910: 93.1 F (4.2 - 97.4 F)
1891-1920: 93.3 F (4.2 - 97.6 F)
1901-1930: 91.9 F (5.6 - 97.6 F)
1911-1940: 92.1 F (6.2 - 98.3 F)
1921-1950: 92.0 F (6.9 - 98.9 F)
1931-1960: 93.2 F (6.3 - 99.5 F)
1941-1970: 95.7 F (3.5 - 99.2 F)
1951-1980: 95.8 F (2.6 - 98.4 F)
1961-1990: 98.1 F (-0.1 to 98.0 F)
1971-2000: 95.2 F (2.8 - 98.0 F)
1981-2010: 93.5 F (4.7 - 98.3 F)
1991-2020: 89.4 F (9.0 - 98.5 F)

It's a golden age for bland, inoffensive weather, but I like my climates seasoned with Tabasco sauce instead of vanilla.
Attached Thumbnails
Interesting Weather Stats Any Season, Anywhere-temperature-amplitude-nashville.png  
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Old 02-02-2021, 09:00 AM
 
Location: Syrmia, Northern Serbia, near 45 N
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This January in Montenegro had a large amount of precipitation.

Amount of precipitation in Montenegro in January 2021 and comparison with average for some places in parenthesis.

Cetinje - 916 mm (average is 429 mm https://en.wikipedia.org/wiki/Cetinje#Climate)
Njeguši - 847 mm
Studeno - 640 mm
Kolašin - 568 mm (average is 234.7 mm https://en.wikipedia.org/wiki/Kolašin#Climate)
Virpazar - 567 mm
Ubli - 523 mm
Šavnik - 497 mm
Nikšić - 480 mm (average is 208.4 mm https://en.wikipedia.org/wiki/Nikšić#Climate)
Golubovci - 477 mm
Dragovića polje - 466 mm
Rvaši - 460 mm
Podgorica - 434 mm (average is 191.6 mm https://en.wikipedia.org/wiki/Podgorica#Climate)
Gornji Bandići - 406 mm
Gusinje - 389 mm
Budva - 374 mm
Viline Vode - 331 mm
Ulcinj - 313 mm
Herceg Novi - 306 mm (average is 231.3 mm https://en.wikipedia.org/wiki/Herceg_Novi#Climate)
Berane - 294 mm (average is 82.7 mm https://en.wikipedia.org/wiki/Berane#Climate)
Andrijevica - 292 mm
Tivat - 289 mm
Plav 280 mm
Žabljak - 278 mm (average is 118.4 mm https://en.wikipedia.org/wiki/Žabljak#Climate)
Bar - 275 mm (average is 155.6 mm https://en.wikipedia.org/wiki/Bar,_Montenegro#Climate)
Bijelo Polje - 216 mm (average is 79.6 mm https://en.wikipedia.org/wiki/Bijelo_Polje#Climate)
Rožaje - 213 mm
Pljevlja - 139 mm (average is 58.3 mm https://en.wikipedia.org/wiki/Pljevlja#Climate)

Last edited by Nino Bellov; 02-02-2021 at 09:08 AM..
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Old 02-19-2021, 01:27 AM
 
Location: Syrmia, Northern Serbia, near 45 N
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Minimum temperatures recorded in some places in Montenegro during the cold wave 11-17th February 2021.

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Old 03-07-2021, 04:09 AM
 
Location: White House, TN
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So, there's a place called Ascension Island where the record high is 90 F / 32 C and the record low is 63 F / 17 C. Only a 27 F / 15 C span, both among the record lowest in the world and a span that it's quite easy for us to exceed on both ends at certain times of the year.

So I decided to look for days that both exceeded 90 and dropped below 63 in my climate (Nashville, TN). I would guess that these dates are most common around late August or early September, with a secondary peak in early to mid June, and less likely at the height of summer due to much fewer days with lows below 63 than on the fringes of summer.

Records are 1940-present because that's when the Nashville weather station moved to its current site, and that should give a large enough data set.

There were 167 of these dates, for an average of 2.06 per year.

The earliest in the year was April 26, 1989.
The latest in the year was October 19, 2016, which is also the latest 91-degree day in Nashville history.

April: 1
May: 23
June: 39
July: 14
Aug: 26
Sept: 59
Oct: 5

The number of dates reached a sharp peak in early September, with September 3-18 alone having 41 of these dates, which alone would put this 16-day period as the number one month. The week with the most of these dates was September 13-19, with 23.

The date distribution was almost exactly as I predicted, with a June peak, an early July-mid August trough, and an early-mid September main peak, with the only caveat being that the fall peak was a week or two later than I predicted.

Since July 26-July 31 was the longest summer gap with none of these dates (and the only consecutive period between the peaks with more than three days), days from April 26 - July 25 (of which there are 77) are the "early summer group", and days from August 1 - October 19 (of which there are 90) are the "late summer group".
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Old 03-08-2021, 03:33 PM
 
Location: Syrmia, Northern Serbia, near 45 N
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Average lows in some places in Montenegro for the first 8 days of March 2021 (in Celsius).

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Old 03-24-2021, 02:46 AM
 
Location: Syrmia, Northern Serbia, near 45 N
6,100 posts, read 1,921,361 times
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Record depth of snow for every months in Žabljak, Cetinje, Berane, Bijelo Polje and Nikšić. Official measurements of precipitation in Žabljak started in 1958, in Cetinje 1946, in Berane 1954, in Bijelo Polje 1950, and in Nikšić 1951 (source: Hydrometeorological Institute of Montenegro).

Žabljak https://en.wikipedia.org/wiki/Žabljak#Climate
Jan 209 cm
Feb 230 cm
Mar 229 cm
Apr 128 cm
May 43 cm
Jun 13 cm
Jul 0
Aug 0
Sep 15 cm
Oct 51 cm
Nov 114 cm
Dec 149 cm

Cetinje https://en.wikipedia.org/wiki/Cetinje#Climate
Jan 150 cm
Feb 205 cm
Mar 143 cm
Apr 53 cm
May 0
Jun 0
Jul 0
Aug 0
Sep 0
Oct 0
Nov 36 cm
Dec 80 cm

Berane https://en.wikipedia.org/wiki/Berane#Climate
Jan 102 cm
Feb 96 cm
Mar 67 cm
Apr 65 cm
May 21 cm
Jun 4 cm
Jul 0
Aug 0
Sep 2 cm
Oct 8 cm
Nov 61 cm
Dec 55 cm

Bijelo Polje https://en.wikipedia.org/wiki/Bijelo_Polje#Climate
Jan 87 cm
Feb 115 cm
Mar 76 cm
Apr 37 cm
May 30 cm
Jun 0
Jul 0
Aug 0
Sep 0
Oct 25 cm
Nov 35 cm
Dec 60 cm

Nikšić https://en.wikipedia.org/wiki/Nikšić#Climate
Jan 110 cm
Feb 135 cm
Mar 80 cm
Apr 14 cm
May 0
Jun 0
Jul 0
Aug 0
Sep 0
Oct 6 cm
Nov 33 cm
Dec 60 cm

Last edited by Nino Bellov; 03-24-2021 at 02:58 AM..
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Old 03-26-2021, 04:45 AM
 
Location: Near the Coast SWCT
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Years the CT Coast(BDR Bridgeport) had more snow than the north in Hartford (BDL)
Still time left but note the last 20 yrs.

1948-49
1953-54
1973-74
2000-01
2009-10
2012-13
2013-14
2015-16
2020-21

(BDL missing data from 1996-97 to 1998-99)

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Old 03-29-2021, 10:49 AM
 
Location: Syrmia, Northern Serbia, near 45 N
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April 1997 together with April 1912 was the coldest April in Serbia in 20th century.

Here are mean temperatures in April 1997 in some places in Serbia and comparison with 1981-2010 average.

Sjenica 1.2c (colder for 5.3c / average is 6.5c)

Novi Sad 7.5c (colder for 4.3c / average is 11.8c)

Belgrade 8.2c (colder for 4.7c / average is 12.9c)

Zaječar 7.3c (colder for 4.1c / average is 11.4c)

Zlatibor 1.5c (colder for 5.7c / average is 7.2)

Leskovac 5.8c (colder for 5.6c / average is 11.4c)

Niš 6.4c (colder for 5.8c / average is 12.2c)

Požega 5.6c (colder for 4.6c / average is 10.2c)

Sremska Mitrovica 7.3c (colder for 4.5c / average is 11.8c)

Ćuprija 6.5c (colder for 5c / average is 11.5c)

Vranje 5.6c (colder for 5.6 / average is 11.2)
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