Snow-Free Season Duration (< 0.2 cm) - WINNIPEG (since 1872)
Rank |
Shortest season (in days) |
Longest season (in days) |
Rank |
||
1 |
116 |
1947 |
232 |
1998 |
1 |
2 |
123 |
1875 C |
228 |
1900 |
2 |
3 |
124 |
1969 |
225 |
2016 D |
3 |
4 |
125 |
1926 |
224 |
1977 |
4 |
5 |
135 |
1945 D |
222 |
1903 |
5 |
6 |
142 |
1877 |
220 |
1914 |
6 |
7 |
143 |
1972 |
218 |
1899 |
7 |
8 |
145 |
1930 |
217 |
1994 |
8 |
9 |
145 |
1942 |
216 |
1879 |
9 |
10 |
145 |
1950 |
216 |
1940 |
10 |
11 |
146 |
1974 |
215 |
1920 |
11 |
12 |
147 |
1872 |
213 |
1964 |
12 |
13 |
148 |
1956 |
212 |
2006 |
13 |
14 |
148 |
1959 |
212 |
2007 |
14 |
15 |
148 |
1984 |
211 |
1898 |
15 |
16 |
148 |
2002 |
211 |
1948 |
16 |
17 |
149 |
1949 |
210 |
1999 |
17 |
18 |
149 |
1991 |
209 |
2012 |
18 |
19 |
150 |
1893 |
208 |
2010 |
19 |
20 |
151 |
1928 |
206 |
1976 |
20 |
21 |
151 |
1970 |
205 |
1941 |
21 |
22 |
151 |
1997 |
203 |
1880 |
22 |
23 |
152 |
1968 |
203 |
1889 |
23 |
24 |
152 |
2009 |
203 |
1902 |
24 |
25 |
153 |
1883 |
203 |
2021 |
25 |
26 |
154 |
1908 |
202 |
1927 |
26 |
27 |
154 |
2004 |
199 |
1932 |
27 |
28 |
155 |
1876 |
199 |
2014 |
28 |
29 |
155 |
1905 |
198 |
1925 |
29 |
30 |
155 |
1954 |
198 |
1939 |
30 |
Data Notes:
1875 - See June daily precip records notes.
1894 - I have determined that there is enough evidence to change the first measurable snowfall from November 7 to October 2. The observer at St John's College reported snow most of the day on October 2nd (ECCC has 0 cm for the day which is clearly erroneous). One page of the observer notes mentioned ''1/10th inch of half melted snow'' which would indicate a slushy accumulation of 0.3 cm (this was at 6am when the rain had only recently changed to snow). Another page showed 1.5 inches of snow (3.8 cm). It is unclear which amount is correct. Newspapers also mentioned the first snowfall of the season on this date, such as the Winnipeg Free Press which said ''the snowfall was by no means a light one, and has had the effect of making very disagreeable walking''. This would imply some amount of accumulation.
1910 - 4.8 cm snowfall on May 28 was erroneous and eliminated, resulting in a significantly longer snow-free season, enough to eliminate it from this table. Observer notes from St John's College revealed that the rain amounts were mistakenly entered in the snow column for the date. Further evidenced by the fact that the snow amounts were entered when temperatures were 14-15c, far too warm for snow to fall. The observer, in their notes, also reported that rain was falling, not snow. The monthly summary from the observer showed no snow, and instead rain (4.8 mm) on the date. In addition, newspapers (note that this paper's 2.2 inches of rain is an error for 0.22 inches) had no mention of snowfall. They instead talked about rains that fell. The 4.8 cm for the date is changed to 4.8 mm of rain as a result.
1875 - See June daily precip records notes.
1894 - I have determined that there is enough evidence to change the first measurable snowfall from November 7 to October 2. The observer at St John's College reported snow most of the day on October 2nd (ECCC has 0 cm for the day which is clearly erroneous). One page of the observer notes mentioned ''1/10th inch of half melted snow'' which would indicate a slushy accumulation of 0.3 cm (this was at 6am when the rain had only recently changed to snow). Another page showed 1.5 inches of snow (3.8 cm). It is unclear which amount is correct. Newspapers also mentioned the first snowfall of the season on this date, such as the Winnipeg Free Press which said ''the snowfall was by no means a light one, and has had the effect of making very disagreeable walking''. This would imply some amount of accumulation.
1910 - 4.8 cm snowfall on May 28 was erroneous and eliminated, resulting in a significantly longer snow-free season, enough to eliminate it from this table. Observer notes from St John's College revealed that the rain amounts were mistakenly entered in the snow column for the date. Further evidenced by the fact that the snow amounts were entered when temperatures were 14-15c, far too warm for snow to fall. The observer, in their notes, also reported that rain was falling, not snow. The monthly summary from the observer showed no snow, and instead rain (4.8 mm) on the date. In addition, newspapers (note that this paper's 2.2 inches of rain is an error for 0.22 inches) had no mention of snowfall. They instead talked about rains that fell. The 4.8 cm for the date is changed to 4.8 mm of rain as a result.
Graphs: