DECEMBER Daily Precipitation Records - WINNIPEG (since 1872)

Day	High rainfall		High snowfall		High Precip		Day
1	2.0	1970	27.9	1914	27.9	1914	1
2	21.8	1982	13.2	1909	21.8	1982	2
3	5.6	1941	16.5	1891	16.5	1891	3
4	0.6	1979	15.2	1903	15.2	1903	4
5	0.5	1948*	18.8	1909	18.8	1909	5
6	0.5	1951	16.0	2016	13.0	1909	6
7	1.0	1925	14.7	1963	13.2	1963	7
8	5.8	1973	7.6	1940	10.2	1973	8
9	1.7	2020	11.4	1882	11.4	1882	9
10	2.3	2020	13.7	1956	13.7	1956	10
11	0.5	2004 E	12.2	1949	12.2	1949	11
12	0.2	2017	12.7	1882*	12.7	1882*	12
13	0.5	2005 C	14.8	1992	12.2	1992	13
14	0.7	2014 E	24.9	1933	24.9	1933	14
15	0.5	1928*	21.6	1948	21.6	1948	15
16	3.3	1939	18.0	2015	10.2	2015 U	16
17	2.5	1967	12.0	1998	10.1	1977	17
18	1.1	1977	8.2	1998	5.8	1887	18
19	2.5	1877	10.2	1949	10.2	1949	19
20	1.5	1894 D	15.7	1909	15.7	1909	20
21	T	11 years	8.0	2007	6.4	1874*	21
22	15.2	1877	14.0	2018	15.2	1877	22
23	3.8	1877	15.5	1945	15.5	1945	23
24	1.7	2023	15.2	1929	15.2	1929	24
25	0.5	1942	9.4	1938	9.4	1938	25
26	3.0	1959	30.5	1916	30.5	1916	26
27	3.0	2003 E	12.0	2021	11.0	2003 Z	27
28	0.5	1922	19.8	1873	19.8	1873	28
29	0.6	1999	14.0	1947	14.0	1947	29
30	T	6 years	29.0	2006	16.5	2004	30
31	2.0	1896	18.0	1965	20.5	2006	31

Data Notes: 
Dec 20-21, 1894 - The 1.5 mm of rain entered on the 21st actually fell on the 20th in the evening hours. This is confirmed by the observer notes from St John's College, as well as the newspapers. I have moved the rainfall to the 20th as a result. 
Dec 5, 1948 - 0.8 mm rain fell 130am-130am 5th-6th. Originally had 0.5 mm but from 730am-730am. 
Dec 27, 2003 - Although I have chosen to maintain the 11.0 mm of precip (mainly because CXWG was missing), I suspect a nipher shield issue in rain and wet snow caused precip to be too high. Also, all precip was erroneously assumed to be snow when there was in fact several hours of rain and drizzle. It is difficult to say exactly how much rain fell, especially with CXWG being missing. I have used Charleswood's 3.0 mm of rain as a guesstimate. 
Dec 11, 2004 - There were issues this month with rain being entered in as snow. This date appears to be one of the issues. I am assuming 0.5 mm worth (exact amount uncertain). Charleswood reported 0.6 mm, so 0.5 mm seems to make sense. 
Dec 13, 2005 - Only freezing drizzle was reported this date, therefore, the 0.5 mm should have been entered in the rain column not snow. 
Dec 14, 2014 - Unsure why the Airport did not record any precip accumulation. It drizzled the entire 24 hours. Both The Forks and Charleswood recorded accumulations of 0.6 mm and 0.7 mm respectively. The Forks used as replacement to the zero the Airport recorded.
Dec 16, 2015 - The Forks precip used due to severe undercatch of snowfall at the Airport (only 4.1 mm precip at XWG).

Back to Winnipeg Weather Records

Graph form: