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Greatest end of month snow depths ever recorded in BC (and Canada):
1) N VANC GROUSE MTN RESORT (1103m elevation) = 950cm on March 31st, 1999 (that would be over 31 feet of snow some 15 minutes from downtown Vancouver)
2) MT WASHINGTON UPPER (1450m) = 917cm on March 31st, 1999
3) N VANC GROUSE MTN RESORT = 860cm on April 30th, 1999
4) N VANC GROUSE MTN RESORT = 815cm on February 28th, 1999
5) CYPRESS BOWL UPPER (1210m) = 808cm on February 28th, 1999
6) MT WASHINGTON UPPER = 695cm on February 28th, 1999
7) MT WASHINGTON RESORT (1197m) = 618cm on March 31st, 1999
8) MT WASHINGTON UPPER = 609cm on March 31st, 1995
9) MT WASHINGTON (1474m) = 588cm on February 28th, 2010
10) MT WASHINGTON UPPER = 571cm on February 28th, 1998
11) CYPRESS BOWL 1425 (1425m) = 570cm on March 31st, 2000
12) UNUK RIVER ESKAY CREEK (887m) = 555cm on January 31st, 1992
13) MT WASHINGTON RESORT = 555cm on February 28th, 1999
14) CYPRESS BOWL UPPER = 555cm on March 31st, 2000
15) CYPRESS BOWL 1425 = 550cm on March 31st, 2002
For the Okanagan (my area):
BIG WHITE (elevation 1841m) = 349cm on February 28th, 1999
For Kelowna:
KELOWNA A (430m) = 46 cm on February 28th, 1975
For Penticton:
PENTICTON A (344m) = 48 cm on December 31st, 1971
For Vernon:
VERNON BELLA VISTA (427m) = 54 cm on December 31st, 1996
TOP 10 Wettest Years (Since 1875)
1. 2229.6 mm (1938)
2. 2193.7 mm (1920)
3. 2155.2 mm (1941)
4. 2042.0 mm (1991)
5. 2025.2 mm (1921)
6. 1958.2 mm (1890)
7. 1951.7 mm (1950)
8. 1937.5 mm (1989)
9. 1930.8 mm (1916)
10. 1926.7 mm (1915)
TOP 10 Driest Years (Since 1875)
1. 879.5 mm (1984)
2. 1011.3 mm (1933)
3. 1023.3 mm (1967)
4. 1030.0 mm (1978)
5. 1037.8 mm (1947)
6. 1089.0 mm (1987)
7. 1094.4 mm (1940)
8. 1122.0 mm (1970)
9. 1131.5 mm (1994)
10. 1140.2 mm (1964)
TOP 10 Wettest Years (Since 1877)
1. 1671.5 mm (1981)
2. 1559.0 mm (1972)
3. 1444.5 mm (2000)
4. 1432.0 mm (1975)
5. 1403.0 mm (1879)
6. 1362.7 mm (1932)
7. 1359.1 mm (1926)
8. 1352.1 mm (1955)
9. 1347.0 mm (2013)
10. 1343.6 mm (1965)
TOP 10 Driest Years (Since 1877)
1. 724.6 mm (1897)
2. 725.0 mm (1984)
3. 840.7 mm (1910)
4. 841.5 mm (1906)
5. 843.0 mm (2008)
6. 843.5 mm (1895)
7. 854.5 mm (1900)
8. 881.7 mm (1921)
9. 883.1 mm (1885)
10. 883.9 mm (1905)
Greatest end of month snow depths ever recorded in BC (and Canada):
1) N VANC GROUSE MTN RESORT (1103m elevation) = 950cm on March 31st, 1999 (that would be over 31 feet of snow some 15 minutes from downtown Vancouver)
All I can say to that is ! I didn't even know Vancouver had mountains that close, how ironic for the Canadian city that supposedly doesn't get much snow. Does snow typically/ever stick around there all summer? If they still had 860 cm at the end of April that year I can't see that melting any time soon.
All I can say to that is ! I didn't even know Vancouver had mountains that close, how ironic for the Canadian city that supposedly doesn't get much snow. Does snow typically/ever stick around there all summer? If they still had 860 cm at the end of April that year I can't see that melting any time soon.
All I can say to that is ! I didn't even know Vancouver had mountains that close, how ironic for the Canadian city that supposedly doesn't get much snow. Does snow typically/ever stick around there all summer? If they still had 860 cm at the end of April that year I can't see that melting any time soon.
1999 was an amazing winter like no other. The snow depth was 250% of normal, and the snow-water-equivalent on the ground was close to 3,000 mm. Even that year did not have any snow by August. Higher elevation places like those shown in the pictures above have snow year-round on occasion.
I've decided to try a little experiment. Where I live, it feels like summer when temperatures average >22 C / 72 F and winter when they average <8 C / 46 F. This also gives us (roughly) a 3.5 month summer and 3 month winter, which makes sense because we do tend to get a bit of seasonal lag in September.
I've used a 21-day running average (the day, 10 days prior, and 10 days after) to determine when each season began and ended. For instance, the temperature for November 5, 2014 was 49.8, taking the means of all days from October 26 - November 15.
If the temperature dropped below 46 and stayed there, or fell below 46 and stayed there longer than any late fall >46 spells, I called it winter. For instance, in 2014, it was below 46 from Nov. 8 - 28 and above 46 from Nov. 29 - Dec. 2 before falling below 46 for the rest of the winter. Therefore, I called anything from November 8 winter. Ditto for summer, but with 72. For spring, replace "fell below" with "rose above" and "late fall >46" with "late winter <46"
On average:
Winter: November 26 - March 1
Spring: March 2 - May 31
Summer: June 1 - September 15
Fall: September 16 - November 25
Update to my original Sept. 20, 2016 post. I've decided to do every season from 1959-present in Nashville. I will also probably make a blog in the near future detailing all of my weather musings and interesting statistics.
This is the first release, Dec. 4, 1958 - Nov. 28, 1963.
Winter 1958-59: ? - March 13 (Peak: December 16, 31.9 F)
Spring 1959: March 14 - May 27
Summer 1959: May 28 - October 2 (Peak: August 23, 80.4 F)
Fall 1959: October 3 - November 14
Winter 1959-60: November 15 - March 24 (Peak: February 28, 27.8 F)
Spring 1960: March 25 - May 24
Summer 1960: May 25 - September 16 (Peak: July 30, 81.1 F)
Fall 1960: September 17 - November 27
Winter 1960-61: November 28 - February 11 (Peak: January 29, 28.9 F)
Spring 1961: February 12 - June 26
Summer 1961: June 27 - September 17 (Peak: July 24, 79.9 F)
Fall 1961: September 18 - December 3
Winter 1961-62: December 4 - March 17 (Peak: January 7, 29.9 F)
Spring 1962: March 18 - May 6
Summer 1962: May 7 - September 12 (Peak: August 14, 80.2 F)
Fall 1962: September 13 - November 27
Winter 1962-63: November 28 - March 4 (Peak: January 22, 25.6 F)
Spring 1963: March 5 - June 1
Summer 1963: June 2 - September 13 (Peak: July 29, 79.5 F)
Fall 1963: September 14 - November 28
The hottest day of the year where I live can vary by more than three months.
Since 1948, it's been as early as June 1 (in 1951) and as late as September 23 (in 1961).
June 1-15: 6 times
June 16-30: 7 times
July 1-15: 14 times
July 16-31: 16 times
Aug. 1-15: 12 times
Aug. 16-31: 9 times
Sept. 1-15: 5 times
Sept. 16-30: 1 time
The average date is July 24, though it's been shifting later. The record period is 69 years, so I divided it up into three 23-year intervals.
1948-1970: July 23
1971-1993: July 22
1994-2016: July 29
The average temperature is a toasty 97.52 F / 36.40 C on the hottest day of the year, but the hottest day of 2012 (June 29) was an amazing 109 F / 43 C! 2004's hottest day, on the other hand, was just 91 F / 33 C.
91-93 F: 10 times
94-96 F: 16 times
97-99 F: 28 times
100-102 F: 7 times
103-105 F: 4 times (all 103)
106-109 F: 4 times
There is no real trend of it getting hotter or colder over time.
1948-1970: 97.65 F
1971-1993: 97.17 F
1994-2016: 97.74 F
The hottest day of the year where I live can vary by more than three months.
Our earliest was 14 May 1992, only 26C but still our warmest May day on record, which oddly enough came six days after a high of 6C, the coldest May day for decades. Considering that 26C was the best we got all year, needless to say it was a crap summer.
I actually haven't found a later one than 31 August, but it almost happened on 1 October in 2011 when we got up to 26.6C, our warmest October day on record and the second-warmest day of that year (another pretty mediocre summer). Certain parts of the country did manage to have their warmest day of the year on 1 October that year though.
2011 also had a record-warm April - I remember reading that somewhere that had their warmest day in October also had their second-warmest day that year in April as well, but couldn't find anywhere.
These were the warmest days of each month in 2012 in Aboyne, a place in north-east Scotland known for being susceptible to foehn effects. A day in March warmer than any day in summer!
May - 26.8C
September - 23.7C
March - 23.6C
August - 23.5C
July - 22.1C
June - 18.4C
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! I didn't even know Vancouver had mountains that close, how ironic for the Canadian city that supposedly doesn't get much snow. Does snow typically/ever stick around there all summer? If they still had 860 cm at the end of April that year I can't see that melting any time soon.
