Record envelope, standing records and threshold days for Rossland City Yard (CA001146870), British Columbia, Canada, with 101 years of record.
Key Facts for Rossland City Yard
Rossland City Yard (CA001146870) is a weather station in British Columbia, Canada at 49.08 latitude and -117.80 longitude, 1,039 m (3,409 ft) above sea level.
The station reports from 1900 to 2000, 101 years of record.
1,464 records set at Rossland City Yard still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
Rossland City Yard set a daily record precipitation of 21.6 mm (0.9 in) on 9 October 1962.
About the Station
Location: British Columbia, Canada, 49.08 latitude, -117.80 longitude.
Elevation: 1,039 m (3,409 ft).
Period of record: 1900 to 2000, 101 years.
Eligible elements: tmax, tmin, prcp, snow.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Rossland City Yard. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Rossland City Yard, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
8.9 C (48.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Feb
11.1 C (52.0 F)
-27.8 C (-18.0 F)
n/a
n/a
Mar
19.4 C (66.9 F)
-25.0 C (-13.0 F)
n/a
n/a
Apr
29.4 C (84.9 F)
-16.7 C (1.9 F)
n/a
n/a
May
33.3 C (91.9 F)
-5.6 C (21.9 F)
n/a
n/a
Jun
33.9 C (93.0 F)
-1.1 C (30.0 F)
n/a
n/a
Jul
37.8 C (100.0 F)
1.1 C (34.0 F)
n/a
n/a
Aug
37.2 C (99.0 F)
0.6 C (33.1 F)
n/a
n/a
Sep
33.9 C (93.0 F)
-10.6 C (12.9 F)
n/a
n/a
Oct
26.1 C (79.0 F)
-17.2 C (1.0 F)
n/a
n/a
Nov
14.4 C (57.9 F)
-21.1 C (-6.0 F)
n/a
n/a
Dec
12.2 C (54.0 F)
-26.1 C (-15.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Rossland City Yard still stand. 1900 holds the most, with 56.
Standing records at Rossland City Yard by the year they were set
Year set
Standing records
1900
56
1901
7
1904
1
1905
22
1906
31
1907
20
1908
27
1909
28
1910
26
1911
11
1912
24
1913
15
1914
19
1915
19
1916
33
1917
26
1918
32
1919
42
1920
16
1921
18
1922
32
1923
12
1924
53
1925
24
1926
21
1927
39
1928
22
1930
15
1931
26
1932
19
1933
34
1934
16
1935
31
1936
54
1937
20
1938
28
1939
24
1940
30
1941
35
1942
22
1943
34
1944
24
1945
32
1946
18
1947
16
1948
8
1949
36
1950
31
1951
15
1952
20
1953
17
1954
24
1955
40
1956
16
1957
10
1958
22
1959
16
1960
27
1961
18
1962
10
All-Time Record Progression
2 new records
2 all-time records were set at Rossland City Yard between 20 January 1935 and 25 January 1950. Each dot is a new record.
When Rossland City Yard set new all-time records
Date
Kind
Detail
1935-01-20
Record low minimum temperature
Record low minimum temperature -28.9 C (-20.0 F)
1950-01-25
Record low minimum temperature
Record low minimum temperature -30.0 C (-22.0 F)
Wettest Day of Each Month
Sep: 63.5 mm (2.5 in)
The wettest day on record for each calendar month at Rossland City Yard. The most was 63.5 mm (2.5 in) on 11 September 1927.
Record daily precipitation for each month at Rossland City Yard
Month
Record daily precipitation (mm)
Date
Jan
41.9 mm (1.6 in)
22 January 1935
Feb
45.7 mm (1.8 in)
1 February 1937
Mar
31.8 mm (1.3 in)
15 March 1920
Apr
49.5 mm (1.9 in)
30 April 1915
May
48.5 mm (1.9 in)
10 May 1910
Jun
45.5 mm (1.8 in)
24 June 1917
Jul
40.6 mm (1.6 in)
1 July 1955
Aug
62.7 mm (2.5 in)
23 August 1954
Sep
63.5 mm (2.5 in)
11 September 1927
Oct
45.7 mm (1.8 in)
3 October 1910
Nov
49.3 mm (1.9 in)
16 November 1918
Dec
45.7 mm (1.8 in)
24 December 1919
Period of Record Coverage
1900 to 1962
Complete yearUnder 90 percent of days
60 years of record at Rossland City Yard, 1900 to 1962. 8 years have data for under 90 percent of days and are left out of rankings: 1900, 1901, 1904, 1924, 1949, 1953, 1961, 1962.
Cooler than the station meanWarmer than the station mean
One stripe for each of 46 complete years at Rossland City Yard, 1900 to 1960. Blue stripes are years cooler than the station's own mean of 5.9 C (42.7 F); red stripes are warmer. The coolest year was 1916, at 3.9 C (39.1 F), and the warmest was 1940, at 8.3 C (46.9 F). The strongest colour marks a difference of 2.4 C (4.3 F).
Annual mean temperature at Rossland City Yard as warming stripes, 1900 to 1960
Year
Annual mean temperature
Difference from the station mean
1900
7.0 C
+1.03 C
1905
5.9 C
-0.02 C
1906
6.6 C
+0.63 C
1907
5.4 C
-0.57 C
1908
5.9 C
-0.07 C
1909
4.9 C
-0.99 C
1910
6.6 C
+0.68 C
1911
5.4 C
-0.53 C
1912
5.7 C
-0.25 C
1913
5.2 C
-0.77 C
1914
6.5 C
+0.60 C
1915
6.8 C
+0.89 C
1916
3.9 C
-1.98 C
1918
6.3 C
+0.39 C
1919
5.4 C
-0.48 C
1920
5.8 C
-0.16 C
1921
6.1 C
+0.21 C
1922
5.7 C
-0.19 C
1923
6.5 C
+0.62 C
1925
5.7 C
-0.22 C
1926
5.6 C
-0.35 C
1928
5.3 C
-0.67 C
1931
5.8 C
-0.16 C
1933
4.9 C
-1.06 C
1935
4.9 C
-1.07 C
1936
5.4 C
-0.53 C
1938
7.2 C
+1.26 C
1939
7.4 C
+1.50 C
1940
8.3 C
+2.34 C
1941
8.0 C
+2.03 C
1942
6.3 C
+0.38 C
1943
5.6 C
-0.37 C
1944
6.4 C
+0.44 C
1945
6.5 C
+0.54 C
1946
5.7 C
-0.27 C
1947
5.8 C
-0.12 C
1948
5.6 C
-0.29 C
1950
5.0 C
-0.89 C
1951
5.2 C
-0.69 C
1952
6.5 C
+0.60 C
1954
5.3 C
-0.59 C
1955
4.1 C
-1.80 C
1956
5.6 C
-0.28 C
1957
5.5 C
-0.45 C
1958
7.6 C
+1.69 C
1960
6.0 C
+0.04 C
The fitted trend in annual mean temperature here over 1900 to 1960 is 0.02 C (-0.14 to 0.17) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.03 F (-0.25 to 0.31) per decade. The slope is a straight line fitted to 46 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Rossland City Yard
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.02 C (-0.14 to 0.17) per decade
0.03 F (-0.25 to 0.31) per decade
1900 to 1960
46
Not clearly different from zero
Mean daily maximum
0.15 C (-0.04 to 0.35) per decade
0.3 F (-0.1 to 0.6) per decade
1900 to 1960
46
Not clearly different from zero
Mean daily minimum
-0.12 C (-0.27 to 0.02) per decade
-0.22 F (-0.48 to 0.04) per decade
1900 to 1960
46
Not clearly different from zero
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1900 to 1962
Yearly extremes at Rossland City Yard: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
37.8 C (100.0 F)
1924
32.2 C (90.0 F)
60
Coldest night (TNn)
-30.0 C (-22.0 F)
1950
-21.1 C (-6.0 F)
60
Wettest day (Rx1day)
63.5 mm (2.5 in)
1927
31.9 mm (1.3 in)
60
Wettest five days (Rx5day)
118.9 mm (4.7 in)
1927
64.6 mm (2.5 in)
60
Longest dry spell (CDD)
88 days
1928
28 days
60
Hottest day (TXx)
The hottest day of the year at Rossland City Yard, 1900 to 1962. The record is 37.8 C (100.0 F) in 1924, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Rossland City Yard by year
Year
Hottest day (TXx)
1900
36.1 C (97.0 F)
1901
7.8 C (46.0 F)
1904
3.3 C (37.9 F)
1905
32.8 C (91.0 F)
1906
31.1 C (88.0 F)
1907
28.9 C (84.0 F)
1908
29.4 C (84.9 F)
1909
28.9 C (84.0 F)
1910
32.2 C (90.0 F)
1911
31.7 C (89.1 F)
1912
32.2 C (90.0 F)
1913
29.4 C (84.9 F)
1914
33.3 C (91.9 F)
1915
30.6 C (87.1 F)
1916
28.3 C (82.9 F)
1917
31.1 C (88.0 F)
1918
32.8 C (91.0 F)
1919
32.2 C (90.0 F)
1920
30.0 C (86.0 F)
1921
28.9 C (84.0 F)
1922
34.4 C (93.9 F)
1923
32.8 C (91.0 F)
1924
37.8 C (100.0 F)
1925
32.8 C (91.0 F)
1926
33.3 C (91.9 F)
1927
32.8 C (91.0 F)
1928
33.9 C (93.0 F)
1930
32.8 C (91.0 F)
1931
31.7 C (89.1 F)
1932
31.1 C (88.0 F)
1933
33.9 C (93.0 F)
1934
32.2 C (90.0 F)
1935
29.4 C (84.9 F)
1936
33.3 C (91.9 F)
1937
29.4 C (84.9 F)
1938
33.9 C (93.0 F)
1939
36.1 C (97.0 F)
1940
35.0 C (95.0 F)
1941
35.6 C (96.1 F)
1942
33.9 C (93.0 F)
1943
35.0 C (95.0 F)
1944
34.4 C (93.9 F)
1945
36.7 C (98.1 F)
1946
34.4 C (93.9 F)
1947
30.0 C (86.0 F)
1948
30.0 C (86.0 F)
1949
30.0 C (86.0 F)
1950
30.6 C (87.1 F)
1951
31.7 C (89.1 F)
1952
32.8 C (91.0 F)
1953
31.1 C (88.0 F)
1954
28.3 C (82.9 F)
1955
31.7 C (89.1 F)
1956
32.2 C (90.0 F)
1957
28.3 C (82.9 F)
1958
32.8 C (91.0 F)
1959
32.2 C (90.0 F)
1960
35.6 C (96.1 F)
1961
37.2 C (99.0 F)
1962
32.2 C (90.0 F)
Coldest night (TNn)
The coldest night of the year at Rossland City Yard, 1900 to 1962. The record is -30.0 C (-22.0 F) in 1950, marked on the chart; the median year is -21.1 C (-6.0 F).
Coldest night (TNn) at Rossland City Yard by year
Year
Coldest night (TNn)
1900
-22.8 C (-9.0 F)
1901
-17.8 C (0.0 F)
1904
-11.7 C (10.9 F)
1905
-23.9 C (-11.0 F)
1906
-18.9 C (-2.0 F)
1907
-22.8 C (-9.0 F)
1908
-18.9 C (-2.0 F)
1909
-26.7 C (-16.1 F)
1910
-20.6 C (-5.1 F)
1911
-20.6 C (-5.1 F)
1912
-21.1 C (-6.0 F)
1913
-18.9 C (-2.0 F)
1914
-17.8 C (0.0 F)
1915
-17.2 C (1.0 F)
1916
-24.4 C (-11.9 F)
1917
-24.4 C (-11.9 F)
1918
-20.6 C (-5.1 F)
1919
-23.9 C (-11.0 F)
1920
-17.2 C (1.0 F)
1921
-20.6 C (-5.1 F)
1922
-22.2 C (-8.0 F)
1923
-25.6 C (-14.1 F)
1924
-25.0 C (-13.0 F)
1925
-15.0 C (5.0 F)
1926
-21.1 C (-6.0 F)
1927
-26.1 C (-15.0 F)
1928
-23.3 C (-9.9 F)
1930
-23.9 C (-11.0 F)
1931
-13.3 C (8.1 F)
1932
-24.4 C (-11.9 F)
1933
-27.8 C (-18.0 F)
1934
-13.9 C (7.0 F)
1935
-28.9 C (-20.0 F)
1936
-27.2 C (-17.0 F)
1937
-26.1 C (-15.0 F)
1938
-15.6 C (3.9 F)
1939
-20.6 C (-5.1 F)
1940
-13.9 C (7.0 F)
1941
-12.2 C (10.0 F)
1942
-20.6 C (-5.1 F)
1943
-27.8 C (-18.0 F)
1944
-17.8 C (0.0 F)
1945
-17.8 C (0.0 F)
1946
-18.9 C (-2.0 F)
1947
-22.2 C (-8.0 F)
1948
-17.8 C (0.0 F)
1949
-20.6 C (-5.1 F)
1950
-30.0 C (-22.0 F)
1951
-22.8 C (-9.0 F)
1952
-26.1 C (-15.0 F)
1953
-10.0 C (14.0 F)
1954
-25.0 C (-13.0 F)
1955
-25.0 C (-13.0 F)
1956
-26.1 C (-15.0 F)
1957
-24.4 C (-11.9 F)
1958
-14.4 C (6.1 F)
1959
-26.1 C (-15.0 F)
1960
-20.6 C (-5.1 F)
1961
-18.9 C (-2.0 F)
1962
-23.3 C (-9.9 F)
Wettest day (Rx1day)
The wettest day of the year at Rossland City Yard, 1900 to 1962. The record is 63.5 mm (2.5 in) in 1927, marked on the chart; the median year is 31.9 mm (1.3 in).
Wettest day (Rx1day) at Rossland City Yard by year
Year
Wettest day (Rx1day)
1900
45.5 mm (1.8 in)
1901
31.2 mm (1.2 in)
1904
18.3 mm (0.7 in)
1905
29.5 mm (1.2 in)
1906
27.9 mm (1.1 in)
1907
42.2 mm (1.7 in)
1908
26.4 mm (1.0 in)
1909
38.6 mm (1.5 in)
1910
48.5 mm (1.9 in)
1911
35.6 mm (1.4 in)
1912
27.4 mm (1.1 in)
1913
23.6 mm (0.9 in)
1914
32.0 mm (1.3 in)
1915
49.5 mm (1.9 in)
1916
45.7 mm (1.8 in)
1917
45.5 mm (1.8 in)
1918
49.3 mm (1.9 in)
1919
45.7 mm (1.8 in)
1920
51.3 mm (2.0 in)
1921
32.8 mm (1.3 in)
1922
24.9 mm (1.0 in)
1923
29.2 mm (1.1 in)
1924
34.3 mm (1.4 in)
1925
23.4 mm (0.9 in)
1926
25.4 mm (1.0 in)
1927
63.5 mm (2.5 in)
1928
20.3 mm (0.8 in)
1930
25.9 mm (1.0 in)
1931
28.7 mm (1.1 in)
1932
26.7 mm (1.1 in)
1933
24.1 mm (0.9 in)
1934
21.1 mm (0.8 in)
1935
41.9 mm (1.6 in)
1936
29.2 mm (1.1 in)
1937
45.7 mm (1.8 in)
1938
34.5 mm (1.4 in)
1939
26.9 mm (1.1 in)
1940
37.6 mm (1.5 in)
1941
31.5 mm (1.2 in)
1942
38.1 mm (1.5 in)
1943
28.7 mm (1.1 in)
1944
30.7 mm (1.2 in)
1945
33.0 mm (1.3 in)
1946
25.4 mm (1.0 in)
1947
34.3 mm (1.4 in)
1948
28.7 mm (1.1 in)
1949
22.1 mm (0.9 in)
1950
25.7 mm (1.0 in)
1951
34.3 mm (1.4 in)
1952
24.9 mm (1.0 in)
1953
33.0 mm (1.3 in)
1954
62.7 mm (2.5 in)
1955
40.6 mm (1.6 in)
1956
31.8 mm (1.3 in)
1957
30.7 mm (1.2 in)
1958
38.9 mm (1.5 in)
1959
36.6 mm (1.4 in)
1960
39.4 mm (1.6 in)
1961
33.8 mm (1.3 in)
1962
22.9 mm (0.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Rossland City Yard, 1900 to 1962. The record is 118.9 mm (4.7 in) in 1927, marked on the chart; the median year is 64.6 mm (2.5 in).
Wettest five days (Rx5day) at Rossland City Yard by year
Year
Wettest five days (Rx5day)
1900
69.3 mm (2.7 in)
1901
67.8 mm (2.7 in)
1904
32.8 mm (1.3 in)
1905
81.4 mm (3.2 in)
1906
50.6 mm (2.0 in)
1907
79.3 mm (3.1 in)
1908
41.4 mm (1.6 in)
1909
47.7 mm (1.9 in)
1910
66.1 mm (2.6 in)
1911
79.9 mm (3.1 in)
1912
63.5 mm (2.5 in)
1913
40.4 mm (1.6 in)
1914
67.1 mm (2.6 in)
1915
58.7 mm (2.3 in)
1916
62.0 mm (2.4 in)
1917
50.1 mm (2.0 in)
1918
49.3 mm (1.9 in)
1919
60.0 mm (2.4 in)
1920
84.6 mm (3.3 in)
1921
49.0 mm (1.9 in)
1922
33.1 mm (1.3 in)
1923
41.8 mm (1.6 in)
1924
66.0 mm (2.6 in)
1925
53.9 mm (2.1 in)
1926
78.5 mm (3.1 in)
1927
118.9 mm (4.7 in)
1928
38.1 mm (1.5 in)
1930
63.5 mm (2.5 in)
1931
69.9 mm (2.8 in)
1932
49.6 mm (2.0 in)
1933
66.1 mm (2.6 in)
1934
61.0 mm (2.4 in)
1935
68.9 mm (2.7 in)
1936
62.9 mm (2.5 in)
1937
106.7 mm (4.2 in)
1938
74.9 mm (2.9 in)
1939
61.4 mm (2.4 in)
1940
48.7 mm (1.9 in)
1941
64.1 mm (2.5 in)
1942
84.6 mm (3.3 in)
1943
60.5 mm (2.4 in)
1944
57.2 mm (2.3 in)
1945
76.2 mm (3.0 in)
1946
45.8 mm (1.8 in)
1947
62.0 mm (2.4 in)
1948
65.0 mm (2.6 in)
1949
62.3 mm (2.5 in)
1950
78.5 mm (3.1 in)
1951
89.2 mm (3.5 in)
1952
86.4 mm (3.4 in)
1953
71.1 mm (2.8 in)
1954
92.2 mm (3.6 in)
1955
73.8 mm (2.9 in)
1956
65.1 mm (2.6 in)
1957
57.1 mm (2.2 in)
1958
71.7 mm (2.8 in)
1959
107.0 mm (4.2 in)
1960
73.6 mm (2.9 in)
1961
76.3 mm (3.0 in)
1962
45.0 mm (1.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Rossland City Yard, 1900 to 1962. The record is 88 days in 1928, marked on the chart; the median year is 28 days.
Longest dry spell (CDD) at Rossland City Yard by year
Year
Longest dry spell (CDD)
1900
17 days
1901
18 days
1904
8 days
1905
22 days
1906
23 days
1907
23 days
1908
28 days
1909
22 days
1910
27 days
1911
22 days
1912
23 days
1913
19 days
1914
31 days
1915
42 days
1916
30 days
1917
28 days
1918
20 days
1919
27 days
1920
32 days
1921
42 days
1922
43 days
1923
39 days
1924
25 days
1925
36 days
1926
34 days
1927
21 days
1928
88 days
1930
37 days
1931
55 days
1932
40 days
1933
28 days
1934
37 days
1935
22 days
1936
34 days
1937
30 days
1938
23 days
1939
47 days
1940
38 days
1941
19 days
1942
29 days
1943
21 days
1944
20 days
1945
39 days
1946
23 days
1947
19 days
1948
27 days
1949
22 days
1950
31 days
1951
32 days
1952
43 days
1953
25 days
1954
27 days
1955
45 days
1956
22 days
1957
37 days
1958
28 days
1959
44 days
1960
32 days
1961
20 days
1962
17 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
46 years with a frost
Across 46 years with a frost, the median last spring frost at Rossland City Yard falls on 11 May and the median first autumn frost on 30 September, which leaves a median of 144 days between them.
Fitted over all years, the growing season changes by -0.9 days per decade at this station.
Frost dates and growing season at Rossland City Yard
Measure
Median, all years
Earliest period
Recent period (1921 to 1960)
Recent against earliest
Fitted trend
Last spring frost
11 May
n/a
13 May
n/a
+0.8 days per decade
First autumn frost
30 September
n/a
28 September
n/a
-0.1 days per decade
Growing days
144 days
n/a
144 days
n/a
-0.9 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
54 years, 1900 to 1960
A day with at least 32.8 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 69.1 mm (2.7 in) of rain is expected about once in 100 years.
Rainfall return levels at Rossland City Yard: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
32.8 mm (1.3 in)
5 years
41.7 mm (1.6 in)
10 years
47.9 mm (1.9 in)
25 years
56.1 mm (2.2 in)
50 years
62.5 mm (2.5 in)
100 years
69.1 mm (2.7 in)
Longer than the 54 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 54 years of values from 1900 to 1960.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 63.5 mm (2.5 in) in 1927; 62.7 mm (2.5 in) in 1954; 51.3 mm (2.0 in) in 1920.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Rossland City Yard standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rossland City Yard threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.