Mission Weather Records (CA001105190)

Record envelope, standing records and threshold days for Mission (CA001105190), British Columbia, Canada, with 40 years of record.

Key Facts for Mission

Mission (CA001105190) is a weather station in British Columbia, Canada at 49.13 latitude and -122.33 longitude, 60 m (197 ft) above sea level.
The station reports from 1953 to 1992, 40 years of record.
1,464 records set at Mission still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
Mission set a daily record low minimum temperature of 7.0 C (44.6 F) on 16 September 1983.

About the Station

Location: British Columbia, Canada, 49.13 latitude, -122.33 longitude.
Elevation: 60 m (197 ft).
Period of record: 1953 to 1992, 40 years.
Eligible elements: tmax, tmin, prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Mission. 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 Mission, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	15.6 C (60.1 F)	-14.4 C (6.1 F)	n/a	n/a
Feb	20.6 C (69.1 F)	-13.9 C (7.0 F)	n/a	n/a
Mar	21.7 C (71.1 F)	-12.2 C (10.0 F)	n/a	n/a
Apr	27.2 C (81.0 F)	-2.8 C (27.0 F)	n/a	n/a
May	36.5 C (97.7 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	36.0 C (96.8 F)	2.2 C (36.0 F)	n/a	n/a
Jul	37.8 C (100.0 F)	4.4 C (39.9 F)	n/a	n/a
Aug	36.5 C (97.7 F)	5.0 C (41.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	0.6 C (33.1 F)	n/a	n/a
Oct	27.0 C (80.6 F)	-2.8 C (27.0 F)	n/a	n/a
Nov	18.9 C (66.0 F)	-13.3 C (8.1 F)	n/a	n/a
Dec	17.5 C (63.5 F)	-19.4 C (-2.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mission still stand. 1954 holds the most, with 87.

Standing records at Mission by the year they were set
Year set	Standing records
1953	41
1954	87
1955	82
1956	63
1957	54
1958	73
1959	33
1960	41
1961	45
1962	59
1963	60
1964	35
1965	53
1966	44
1967	34
1968	51
1969	51
1970	39
1971	60
1972	51
1973	30
1974	37
1975	36
1976	44
1977	36
1978	37
1979	34
1980	47
1981	42
1982	35
1983	30

All-Time Record Progression

1 new records

1 all-time records were set at Mission between 29 May 1983 and 29 May 1983. Each dot is a new record.

Wettest Day of Each Month

Jan: 97.5 mm (3.8 in)

The wettest day on record for each calendar month at Mission. The most was 97.5 mm (3.8 in) on 18 January 1968.

Record daily precipitation for each month at Mission
Month	Record daily precipitation (mm)	Date
Jan	97.5 mm (3.8 in)	18 January 1968
Feb	82.0 mm (3.2 in)	2 February 1974
Mar	77.2 mm (3.0 in)	31 March 1959
Apr	52.3 mm (2.1 in)	29 April 1959
May	68.3 mm (2.7 in)	6 May 1960
Jun	58.8 mm (2.3 in)	5 June 1981
Jul	80.6 mm (3.2 in)	11 July 1983
Aug	38.1 mm (1.5 in)	19 August 1976
Sep	54.9 mm (2.2 in)	20 September 1972
Oct	75.4 mm (3.0 in)	19 October 1956
Nov	95.5 mm (3.8 in)	2 November 1955
Dec	92.0 mm (3.6 in)	25 December 1980

Period of Record Coverage

1953 to 1983

31 years of record at Mission, 1953 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1953, 1981, 1983.

Days with data per year at Mission
Year	Days with data	Share of year	Complete
1953	275	75%	No
1954	365	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	273	75%	No
1982	365	100%	Yes
1983	304	83%	No

Latest Records

Latest records at Mission
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 September 1983	Mission, CA	daily low min	7.0 C (44.6 F)	0.8 C (1.4 F)	20 years	11 of 100 (Routine)
10 September 1983	Mission, CA	daily low max	13.0 C (55.4 F)	1.4 C (2.5 F)	20 years	12 of 100 (Routine)
1 September 1983	Mission, CA	daily rain	45.2 mm (1.8 in)	2.8 mm (0.11 in)	2 years	5 of 100 (Routine)
1 September 1983	Mission, CA	daily high min (Tie)	15.0 C (59.0 F)	tie	20 years	2 of 100 (Routine)
28 August 1983	Mission, CA	daily high min	15.5 C (59.9 F)	0.5 C (0.9 F)	4 years	6 of 100 (Routine)
9 August 1983	Mission, CA	daily rain (Tie)	4.0 mm (0.16 in)	tie	0 years	0 of 100 (Routine)
2 August 1983	Mission, CA	daily rain	3.0 mm (0.12 in)	1.0 mm (0.04 in)	8 years	6 of 100 (Routine)
13 July 1983	Mission, CA	daily rain	22.2 mm (0.9 in)	9.8 mm (0.39 in)	14 years	19 of 100 (Routine)
11 July 1983	Mission, CA	monthly rain	80.6 mm (3.2 in)	31.6 mm (1.2 in)	19 years	57 of 100 (Notable)
1 July 1983	Mission, CA	daily rain (Tie)	10.4 mm (0.4 in)	tie	20 years	2 of 100 (Routine)
22 June 1983	Mission, CA	daily rain	15.6 mm (0.6 in)	0.8 mm (0.03 in)	1 year	3 of 100 (Routine)
8 June 1983	Mission, CA	daily high min	13.0 C (55.4 F)	0.2 C (0.4 F)	25 years	10 of 100 (Routine)
7 June 1983	Mission, CA	daily high max	27.0 C (80.6 F)	0.3 C (0.5 F)	17 years	8 of 100 (Routine)
30 May 1983	Mission, CA	daily high min	15.0 C (59.0 F)	2.8 C (5.0 F)	24 years	19 of 100 (Routine)
29 May 1983	Mission, CA	all-time high min	24.0 C (75.2 F)	0.1 C (0.2 F)	21 years	29 of 100 (Routine)
29 May 1983	Mission, CA	monthly high max	36.5 C (97.7 F)	2.0 C (3.6 F)	0 years	17 of 100 (Routine)
28 May 1983	Mission, CA	monthly high max	34.5 C (94.1 F)	2.3 C (4.1 F)	26 years	25 of 100 (Routine)
28 May 1983	Mission, CA	monthly high min	19.0 C (66.2 F)	1.2 C (2.2 F)	10 years	20 of 100 (Routine)
27 May 1983	Mission, CA	daily high max	29.5 C (85.1 F)	1.2 C (2.2 F)	10 years	8 of 100 (Routine)
24 May 1983	Mission, CA	daily high max	29.5 C (85.1 F)	2.8 C (5.0 F)	24 years	15 of 100 (Routine)

Climate Trend

28 complete years, 1954 to 1982

One stripe for each of 28 complete years at Mission, 1954 to 1982. Blue stripes are years cooler than the station's own mean of 10.0 C (50.0 F); red stripes are warmer. The coolest year was 1955, at 8.2 C (46.8 F), and the warmest was 1958, at 11.9 C (53.5 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Mission as warming stripes, 1954 to 1982
Year	Annual mean temperature	Difference from the station mean
1954	9.4 C	-0.66 C
1955	8.2 C	-1.78 C
1956	9.3 C	-0.70 C
1957	9.7 C	-0.30 C
1958	11.9 C	+1.90 C
1959	9.8 C	-0.24 C
1960	10.0 C	+0.02 C
1961	10.7 C	+0.64 C
1962	10.3 C	+0.23 C
1963	10.6 C	+0.57 C
1964	9.4 C	-0.67 C
1965	10.3 C	+0.26 C
1966	10.3 C	+0.23 C
1967	11.0 C	+0.97 C
1968	10.2 C	+0.16 C
1969	9.9 C	-0.09 C
1970	10.1 C	+0.04 C
1971	9.3 C	-0.72 C
1972	9.5 C	-0.53 C
1973	10.0 C	-0.07 C
1974	10.3 C	+0.30 C
1975	9.5 C	-0.51 C
1976	10.1 C	+0.05 C
1977	10.1 C	+0.10 C
1978	10.1 C	+0.10 C
1979	10.3 C	+0.29 C
1980	10.0 C	-0.04 C
1982	10.4 C	+0.33 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1953 to 1983

Yearly extremes at Mission: 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)	1958	32.8 C (91.0 F)	31
Coldest night (TNn)	-19.4 C (-2.9 F)	1968	-11.1 C (12.0 F)	31
Wettest day (Rx1day)	97.5 mm (3.8 in)	1968	65.5 mm (2.6 in)	31
Wettest five days (Rx5day)	206.4 mm (8.1 in)	1982	125.4 mm (4.9 in)	31
Longest dry spell (CDD)	48 days	1960	20 days	31

Hottest day (TXx)

The hottest day of the year at Mission, 1953 to 1983. The record is 37.8 C (100.0 F) in 1958, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Mission by year
Year	Hottest day (TXx)
1953	32.2 C (90.0 F)
1954	27.2 C (81.0 F)
1955	33.9 C (93.0 F)
1956	33.3 C (91.9 F)
1957	30.6 C (87.1 F)
1958	37.8 C (100.0 F)
1959	33.3 C (91.9 F)
1960	35.6 C (96.1 F)
1961	37.2 C (99.0 F)
1962	29.4 C (84.9 F)
1963	32.2 C (90.0 F)
1964	29.4 C (84.9 F)
1965	35.6 C (96.1 F)
1966	30.6 C (87.1 F)
1967	34.4 C (93.9 F)
1968	32.2 C (90.0 F)
1969	31.7 C (89.1 F)
1970	33.9 C (93.0 F)
1971	33.9 C (93.0 F)
1972	31.1 C (88.0 F)
1973	32.8 C (91.0 F)
1974	32.8 C (91.0 F)
1975	31.7 C (89.1 F)
1976	28.9 C (84.0 F)
1977	35.0 C (95.0 F)
1978	36.5 C (97.7 F)
1979	33.5 C (92.3 F)
1980	31.0 C (87.8 F)
1981	29.5 C (85.1 F)
1982	36.0 C (96.8 F)
1983	36.5 C (97.7 F)

Coldest night (TNn)

The coldest night of the year at Mission, 1953 to 1983. The record is -19.4 C (-2.9 F) in 1968, marked on the chart; the median year is -11.1 C (12.0 F).

Coldest night (TNn) at Mission by year
Year	Coldest night (TNn)
1953	-1.7 C (28.9 F)
1954	-11.1 C (12.0 F)
1955	-13.3 C (8.1 F)
1956	-13.9 C (7.0 F)
1957	-14.4 C (6.1 F)
1958	-5.6 C (21.9 F)
1959	-12.2 C (10.0 F)
1960	-7.8 C (18.0 F)
1961	-5.6 C (21.9 F)
1962	-11.7 C (10.9 F)
1963	-11.7 C (10.9 F)
1964	-18.9 C (-2.0 F)
1965	-8.9 C (16.0 F)
1966	-10.0 C (14.0 F)
1967	-8.9 C (16.0 F)
1968	-19.4 C (-2.9 F)
1969	-13.3 C (8.1 F)
1970	-7.2 C (19.0 F)
1971	-12.2 C (10.0 F)
1972	-11.7 C (10.9 F)
1973	-9.4 C (15.1 F)
1974	-8.3 C (17.1 F)
1975	-10.0 C (14.0 F)
1976	-8.9 C (16.0 F)
1977	-10.0 C (14.0 F)
1978	-14.0 C (6.8 F)
1979	-12.0 C (10.4 F)
1980	-12.0 C (10.4 F)
1981	-6.0 C (21.2 F)
1982	-13.0 C (8.6 F)
1983	-2.5 C (27.5 F)

Wettest day (Rx1day)

The wettest day of the year at Mission, 1953 to 1983. The record is 97.5 mm (3.8 in) in 1968, marked on the chart; the median year is 65.5 mm (2.6 in).

Wettest day (Rx1day) at Mission by year
Year	Wettest day (Rx1day)
1953	45.0 mm (1.8 in)
1954	67.6 mm (2.7 in)
1955	95.5 mm (3.8 in)
1956	75.4 mm (3.0 in)
1957	35.3 mm (1.4 in)
1958	64.0 mm (2.5 in)
1959	77.2 mm (3.0 in)
1960	68.3 mm (2.7 in)
1961	65.5 mm (2.6 in)
1962	51.3 mm (2.0 in)
1963	49.0 mm (1.9 in)
1964	55.9 mm (2.2 in)
1965	66.8 mm (2.6 in)
1966	50.5 mm (2.0 in)
1967	51.1 mm (2.0 in)
1968	97.5 mm (3.8 in)
1969	47.2 mm (1.9 in)
1970	49.0 mm (1.9 in)
1971	65.8 mm (2.6 in)
1972	82.3 mm (3.2 in)
1973	50.8 mm (2.0 in)
1974	82.0 mm (3.2 in)
1975	54.9 mm (2.2 in)
1976	48.3 mm (1.9 in)
1977	57.7 mm (2.3 in)
1978	46.6 mm (1.8 in)
1979	69.8 mm (2.7 in)
1980	92.0 mm (3.6 in)
1981	75.2 mm (3.0 in)
1982	82.0 mm (3.2 in)
1983	80.6 mm (3.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mission, 1953 to 1983. The record is 206.4 mm (8.1 in) in 1982, marked on the chart; the median year is 125.4 mm (4.9 in).

Wettest five days (Rx5day) at Mission by year
Year	Wettest five days (Rx5day)
1953	98.9 mm (3.9 in)
1954	176.3 mm (6.9 in)
1955	125.4 mm (4.9 in)
1956	135.1 mm (5.3 in)
1957	87.2 mm (3.4 in)
1958	122.7 mm (4.8 in)
1959	140.7 mm (5.5 in)
1960	131.8 mm (5.2 in)
1961	114.1 mm (4.5 in)
1962	110.7 mm (4.4 in)
1963	110.4 mm (4.3 in)
1964	101.0 mm (4.0 in)
1965	125.4 mm (4.9 in)
1966	158.4 mm (6.2 in)
1967	115.5 mm (4.5 in)
1968	163.0 mm (6.4 in)
1969	120.4 mm (4.7 in)
1970	99.1 mm (3.9 in)
1971	136.1 mm (5.4 in)
1972	204.0 mm (8.0 in)
1973	86.8 mm (3.4 in)
1974	155.6 mm (6.1 in)
1975	155.7 mm (6.1 in)
1976	98.1 mm (3.9 in)
1977	109.5 mm (4.3 in)
1978	106.2 mm (4.2 in)
1979	206.0 mm (8.1 in)
1980	136.2 mm (5.4 in)
1981	143.2 mm (5.6 in)
1982	206.4 mm (8.1 in)
1983	155.0 mm (6.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mission, 1953 to 1983. The record is 48 days in 1960, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Mission by year
Year	Longest dry spell (CDD)
1953	20 days
1954	16 days
1955	24 days
1956	26 days
1957	19 days
1958	26 days
1959	21 days
1960	48 days
1961	38 days
1962	16 days
1963	17 days
1964	10 days
1965	21 days
1966	17 days
1967	17 days
1968	23 days
1969	24 days
1970	24 days
1971	41 days
1972	33 days
1973	15 days
1974	35 days
1975	17 days
1976	16 days
1977	24 days
1978	14 days
1979	33 days
1980	12 days
1981	12 days
1982	16 days
1983	16 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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Mission falls on 10 April and the median first autumn frost on 9 November, which leaves a median of 220 days between them.

Fitted over all years, the growing season changes by +6.4 days per decade at this station.

Frost dates and growing season at Mission
Measure	Median, all years	Earliest period	Recent period (1954 to 1982)	Recent against earliest	Fitted trend
Last spring frost	10 April	n/a	10 April	n/a	-4.1 days per decade
First autumn frost	9 November	n/a	9 November	n/a	+2.4 days per decade
Growing days	220 days	n/a	220 days	n/a	+6.4 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.

Download the Data

Data for Mission standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mission 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).