Spring Island Weather Records (CA001037650)

Record envelope, standing records and threshold days for Spring Island (CA001037650), British Columbia, Canada, with 31 years of record.

Key Facts for Spring Island

Spring Island (CA001037650) is a weather station in British Columbia, Canada at 50.00 latitude and -127.42 longitude, 11 m (36 ft) above sea level.
The station reports from 1949 to 1979, 31 years of record.
1,464 records set at Spring Island still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.

About the Station

Location: British Columbia, Canada, 50.00 latitude, -127.42 longitude.
Elevation: 11 m (36 ft).
Period of record: 1949 to 1979, 31 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 Spring Island. 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 Spring Island, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-11.1 C (12.0 F)	n/a	n/a
Feb	16.1 C (61.0 F)	-6.7 C (19.9 F)	n/a	n/a
Mar	18.3 C (64.9 F)	-7.2 C (19.0 F)	n/a	n/a
Apr	19.4 C (66.9 F)	-1.7 C (28.9 F)	n/a	n/a
May	25.0 C (77.0 F)	0.0 C (32.0 F)	n/a	n/a
Jun	27.9 C (82.2 F)	3.9 C (39.0 F)	n/a	n/a
Jul	30.6 C (87.1 F)	5.6 C (42.1 F)	n/a	n/a
Aug	30.4 C (86.7 F)	4.4 C (39.9 F)	n/a	n/a
Sep	29.4 C (84.9 F)	3.3 C (37.9 F)	n/a	n/a
Oct	22.2 C (72.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	19.4 C (66.9 F)	-6.7 C (19.9 F)	n/a	n/a
Dec	15.6 C (60.1 F)	-10.6 C (12.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Spring Island still stand. 1958 holds the most, with 117.

Standing records at Spring Island by the year they were set
Year set	Standing records
1949	10
1950	73
1951	48
1952	59
1953	21
1954	45
1955	68
1956	62
1957	52
1958	117
1959	51
1960	45
1961	53
1962	47
1963	50
1964	42
1965	53
1966	33
1967	38
1968	36
1969	47
1970	55
1971	39
1972	65
1973	46
1974	31
1975	35
1976	38
1977	40
1978	37
1979	28

Wettest Day of Each Month

Nov: 175.5 mm (6.9 in)

The wettest day on record for each calendar month at Spring Island. The most was 175.5 mm (6.9 in) on 12 November 1975.

Record daily precipitation for each month at Spring Island
Month	Record daily precipitation (mm)	Date
Jan	143.0 mm (5.6 in)	27 January 1971
Feb	98.0 mm (3.9 in)	13 February 1974
Mar	106.7 mm (4.2 in)	29 March 1966
Apr	80.5 mm (3.2 in)	12 April 1977
May	68.1 mm (2.7 in)	14 May 1970
Jun	83.3 mm (3.3 in)	27 June 1972
Jul	66.3 mm (2.6 in)	11 July 1979
Aug	76.2 mm (3.0 in)	21 August 1953
Sep	141.2 mm (5.6 in)	7 September 1971
Oct	126.0 mm (5.0 in)	2 October 1971
Nov	175.5 mm (6.9 in)	12 November 1975
Dec	124.0 mm (4.9 in)	24 December 1963

Period of Record Coverage

1949 to 1979

31 years of record at Spring Island, 1949 to 1979. 3 years have data for under 90 percent of days and are left out of rankings: 1949, 1953, 1979.

Days with data per year at Spring Island
Year	Days with data	Share of year	Complete
1949	55	15%	No
1950	365	100%	Yes
1951	365	100%	Yes
1952	364	99%	Yes
1953	280	77%	No
1954	365	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	364	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	364	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	364	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	364	100%	Yes
1976	366	100%	Yes
1977	358	98%	Yes
1978	365	100%	Yes
1979	321	88%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

28 complete years, 1950 to 1978

One stripe for each of 28 complete years at Spring Island, 1950 to 1978. Blue stripes are years cooler than the station's own mean of 9.0 C (48.2 F); red stripes are warmer. The coolest year was 1950, at 7.9 C (46.2 F), and the warmest was 1958, at 10.8 C (51.4 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Spring Island as warming stripes, 1950 to 1978
Year	Annual mean temperature	Difference from the station mean
1950	7.9 C	-1.12 C
1951	8.7 C	-0.32 C
1952	8.9 C	-0.05 C
1954	8.9 C	-0.06 C
1955	8.0 C	-0.96 C
1956	8.6 C	-0.35 C
1957	9.6 C	+0.56 C
1958	10.8 C	+1.78 C
1959	9.3 C	+0.27 C
1960	9.0 C	+0.02 C
1961	9.3 C	+0.34 C
1962	9.2 C	+0.22 C
1963	9.8 C	+0.84 C
1964	8.4 C	-0.55 C
1965	8.9 C	-0.08 C
1966	9.2 C	+0.17 C
1967	9.6 C	+0.56 C
1968	9.0 C	+0.02 C
1969	9.0 C	+0.05 C
1970	9.0 C	+0.02 C
1971	8.4 C	-0.57 C
1972	8.6 C	-0.44 C
1973	8.6 C	-0.41 C
1974	9.1 C	+0.11 C
1975	8.3 C	-0.66 C
1976	8.9 C	-0.14 C
1977	8.9 C	-0.06 C
1978	9.7 C	+0.73 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

1949 to 1979

Yearly extremes at Spring Island: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.6 C (87.1 F)	1958	25.6 C (78.1 F)	31
Coldest night (TNn)	-11.1 C (12.0 F)	1950	-4.0 C (24.8 F)	31
Wettest day (Rx1day)	175.5 mm (6.9 in)	1975	97.8 mm (3.9 in)	31
Wettest five days (Rx5day)	552.7 mm (21.8 in)	1971	213.1 mm (8.4 in)	31
Longest dry spell (CDD)	31 days	1958	20 days	31

Hottest day (TXx)

The hottest day of the year at Spring Island, 1949 to 1979. The record is 30.6 C (87.1 F) in 1958, marked on the chart; the median year is 25.6 C (78.1 F).

Hottest day (TXx) at Spring Island by year
Year	Hottest day (TXx)
1949	18.3 C (64.9 F)
1950	21.7 C (71.1 F)
1951	26.1 C (79.0 F)
1952	28.9 C (84.0 F)
1953	27.8 C (82.0 F)
1954	20.6 C (69.1 F)
1955	29.4 C (84.9 F)
1956	25.0 C (77.0 F)
1957	23.9 C (75.0 F)
1958	30.6 C (87.1 F)
1959	27.8 C (82.0 F)
1960	25.6 C (78.1 F)
1961	28.9 C (84.0 F)
1962	22.8 C (73.0 F)
1963	22.2 C (72.0 F)
1964	26.7 C (80.1 F)
1965	23.9 C (75.0 F)
1966	22.8 C (73.0 F)
1967	28.3 C (82.9 F)
1968	23.3 C (73.9 F)
1969	25.6 C (78.1 F)
1970	25.6 C (78.1 F)
1971	24.4 C (75.9 F)
1972	29.4 C (84.9 F)
1973	27.8 C (82.0 F)
1974	26.1 C (79.0 F)
1975	25.0 C (77.0 F)
1976	23.9 C (75.0 F)
1977	30.4 C (86.7 F)
1978	27.9 C (82.2 F)
1979	24.6 C (76.3 F)

Coldest night (TNn)

The coldest night of the year at Spring Island, 1949 to 1979. The record is -11.1 C (12.0 F) in 1950, marked on the chart; the median year is -4.0 C (24.8 F).

Coldest night (TNn) at Spring Island by year
Year	Coldest night (TNn)
1949	-5.0 C (23.0 F)
1950	-11.1 C (12.0 F)
1951	-7.2 C (19.0 F)
1952	-3.3 C (26.1 F)
1953	-3.3 C (26.1 F)
1954	-6.1 C (21.0 F)
1955	-6.7 C (19.9 F)
1956	-6.7 C (19.9 F)
1957	-5.0 C (23.0 F)
1958	-0.6 C (30.9 F)
1959	-3.9 C (25.0 F)
1960	-3.3 C (26.1 F)
1961	-1.7 C (28.9 F)
1962	-4.4 C (24.1 F)
1963	-3.3 C (26.1 F)
1964	-7.8 C (18.0 F)
1965	-3.3 C (26.1 F)
1966	-2.8 C (27.0 F)
1967	-1.7 C (28.9 F)
1968	-10.6 C (12.9 F)
1969	-7.8 C (18.0 F)
1970	-3.9 C (25.0 F)
1971	-4.4 C (24.1 F)
1972	-6.1 C (21.0 F)
1973	-3.3 C (26.1 F)
1974	-2.8 C (27.0 F)
1975	-2.8 C (27.0 F)
1976	-2.2 C (28.0 F)
1977	-4.5 C (23.9 F)
1978	-4.0 C (24.8 F)
1979	-4.0 C (24.8 F)

Wettest day (Rx1day)

The wettest day of the year at Spring Island, 1949 to 1979. The record is 175.5 mm (6.9 in) in 1975, marked on the chart; the median year is 97.8 mm (3.9 in).

Wettest day (Rx1day) at Spring Island by year
Year	Wettest day (Rx1day)
1949	37.8 mm (1.5 in)
1950	141.0 mm (5.6 in)
1951	72.6 mm (2.9 in)
1952	93.2 mm (3.7 in)
1953	86.1 mm (3.4 in)
1954	115.1 mm (4.5 in)
1955	77.2 mm (3.0 in)
1956	73.4 mm (2.9 in)
1957	85.1 mm (3.4 in)
1958	77.0 mm (3.0 in)
1959	100.1 mm (3.9 in)
1960	80.0 mm (3.1 in)
1961	81.8 mm (3.2 in)
1962	126.0 mm (5.0 in)
1963	124.0 mm (4.9 in)
1964	81.8 mm (3.2 in)
1965	97.8 mm (3.9 in)
1966	106.7 mm (4.2 in)
1967	115.1 mm (4.5 in)
1968	101.6 mm (4.0 in)
1969	119.4 mm (4.7 in)
1970	87.6 mm (3.4 in)
1971	143.0 mm (5.6 in)
1972	83.3 mm (3.3 in)
1973	92.2 mm (3.6 in)
1974	98.0 mm (3.9 in)
1975	175.5 mm (6.9 in)
1976	104.9 mm (4.1 in)
1977	112.4 mm (4.4 in)
1978	166.9 mm (6.6 in)
1979	78.6 mm (3.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Spring Island, 1949 to 1979. The record is 552.7 mm (21.8 in) in 1971, marked on the chart; the median year is 213.1 mm (8.4 in).

Wettest five days (Rx5day) at Spring Island by year
Year	Wettest five days (Rx5day)
1949	115.4 mm (4.5 in)
1950	238.6 mm (9.4 in)
1951	179.7 mm (7.1 in)
1952	213.1 mm (8.4 in)
1953	209.0 mm (8.2 in)
1954	211.8 mm (8.3 in)
1955	147.3 mm (5.8 in)
1956	162.9 mm (6.4 in)
1957	160.3 mm (6.3 in)
1958	193.7 mm (7.6 in)
1959	172.0 mm (6.8 in)
1960	219.3 mm (8.6 in)
1961	184.1 mm (7.2 in)
1962	309.1 mm (12.2 in)
1963	286.6 mm (11.3 in)
1964	166.9 mm (6.6 in)
1965	250.4 mm (9.9 in)
1966	244.2 mm (9.6 in)
1967	229.5 mm (9.0 in)
1968	235.9 mm (9.3 in)
1969	311.9 mm (12.3 in)
1970	180.6 mm (7.1 in)
1971	552.7 mm (21.8 in)
1972	241.8 mm (9.5 in)
1973	266.4 mm (10.5 in)
1974	210.4 mm (8.3 in)
1975	314.7 mm (12.4 in)
1976	190.7 mm (7.5 in)
1977	223.5 mm (8.8 in)
1978	266.5 mm (10.5 in)
1979	207.5 mm (8.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Spring Island, 1949 to 1979. The record is 31 days in 1958, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Spring Island by year
Year	Longest dry spell (CDD)
1949	2 days
1950	21 days
1951	26 days
1952	28 days
1953	9 days
1954	24 days
1955	13 days
1956	25 days
1957	22 days
1958	31 days
1959	20 days
1960	26 days
1961	28 days
1962	19 days
1963	22 days
1964	14 days
1965	18 days
1966	16 days
1967	27 days
1968	20 days
1969	21 days
1970	20 days
1971	20 days
1972	18 days
1973	20 days
1974	28 days
1975	12 days
1976	10 days
1977	22 days
1978	24 days
1979	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

25 years with a frost

Across 25 years with a frost, the median last spring frost at Spring Island falls on 1 April and the median first autumn frost on 20 November, which leaves a median of 232 days between them.

Fitted over all years, the growing season changes by -3.1 days per decade at this station.

Frost dates and growing season at Spring Island
Measure	Median, all years	Earliest period	Recent period (1950 to 1978)	Recent against earliest	Fitted trend
Last spring frost	1 April	n/a	1 April	n/a	-3.2 days per decade
First autumn frost	20 November	n/a	20 November	n/a	-6.3 days per decade
Growing days	232 days	n/a	232 days	n/a	-3.1 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

30 years, 1950 to 1979

A day with at least 96.5 mm (3.8 in) of rain is expected about once in 2 years. A day with at least 209.0 mm (8.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Spring Island: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	96.5 mm (3.8 in)
5 years	119.9 mm (4.7 in)
10 years	137.8 mm (5.4 in)
25 years	163.5 mm (6.4 in)
50 years	185.1 mm (7.3 in)	Longer than the 30 years of record
100 years	209.0 mm (8.2 in)	Longer than the 30 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, 30 years of values from 1950 to 1979.

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: 175.5 mm (6.9 in) in 1975; 166.9 mm (6.6 in) in 1978; 143.0 mm (5.6 in) in 1971.

Download the Data

Data for Spring Island standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Spring Island 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).