Grasmere Weather Records (CA001153282)

Record envelope, standing records and threshold days for Grasmere (CA001153282), British Columbia, Canada, with 32 years of record.

Key Facts for Grasmere

Grasmere (CA001153282) is a weather station in British Columbia, Canada at 49.08 latitude and -115.07 longitude, 869 m (2,851 ft) above sea level.
The station reports from 1962 to 1993, 32 years of record.
1,464 records set at Grasmere still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: British Columbia, Canada, 49.08 latitude, -115.07 longitude.
Elevation: 869 m (2,851 ft).
Period of record: 1962 to 1993, 32 years.
Eligible elements: none yet.

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 Grasmere. 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 Grasmere, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.8 C (55.0 F)	-36.0 C (-32.8 F)	n/a	n/a
Feb	18.9 C (66.0 F)	-29.0 C (-20.2 F)	n/a	n/a
Mar	22.2 C (72.0 F)	-23.9 C (-11.0 F)	n/a	n/a
Apr	30.0 C (86.0 F)	-10.6 C (12.9 F)	n/a	n/a
May	34.5 C (94.1 F)	-6.1 C (21.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-2.0 C (28.4 F)	n/a	n/a
Jul	38.9 C (102.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	39.4 C (102.9 F)	0.0 C (32.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	27.2 C (81.0 F)	-15.6 C (3.9 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-25.6 C (-14.1 F)	n/a	n/a
Dec	13.3 C (55.9 F)	-42.8 C (-45.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Grasmere still stand. 1972 holds the most, with 122.

Standing records at Grasmere by the year they were set
Year set	Standing records
1962	91
1963	67
1964	65
1965	61
1966	66
1967	88
1968	65
1969	69
1970	66
1971	66
1972	122
1973	67
1974	57
1975	78
1976	41
1977	78
1978	50
1979	71
1980	41
1981	57
1982	41
1983	57

Wettest Day of Each Month

Jun: 45.2 mm (1.8 in)

The wettest day on record for each calendar month at Grasmere. The most was 45.2 mm (1.8 in) on 17 June 1965.

Record daily precipitation for each month at Grasmere
Month	Record daily precipitation (mm)	Date
Jan	26.7 mm (1.1 in)	3 January 1978
Feb	26.9 mm (1.1 in)	27 February 1972
Mar	18.3 mm (0.7 in)	17 March 1964
Apr	43.2 mm (1.7 in)	16 April 1964
May	33.3 mm (1.3 in)	22 May 1968
Jun	45.2 mm (1.8 in)	17 June 1965
Jul	37.1 mm (1.5 in)	29 July 1975
Aug	43.9 mm (1.7 in)	23 August 1975
Sep	40.6 mm (1.6 in)	9 September 1974
Oct	18.8 mm (0.7 in)	11 October 1967
Nov	34.3 mm (1.4 in)	28 November 1973
Dec	27.9 mm (1.1 in)	21 December 1964

Period of Record Coverage

1962 to 1983

22 years of record at Grasmere, 1962 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1972.

Days with data per year at Grasmere
Year	Days with data	Share of year	Complete
1962	360	99%	Yes
1963	351	96%	Yes
1964	366	100%	Yes
1965	364	100%	Yes
1966	363	99%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	364	100%	Yes
1970	352	96%	Yes
1971	343	94%	Yes
1972	296	81%	No
1973	362	99%	Yes
1974	365	100%	Yes
1975	364	100%	Yes
1976	335	92%	Yes
1977	364	100%	Yes
1978	365	100%	Yes
1979	334	92%	Yes
1980	335	92%	Yes
1981	354	97%	Yes
1982	365	100%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

15 complete years, 1962 to 1983

One stripe for each of 15 complete years at Grasmere, 1962 to 1983. Blue stripes are years cooler than the station's own mean of 6.9 C (44.4 F); red stripes are warmer. The coolest year was 1982, at 5.7 C (42.2 F), and the warmest was 1974, at 8.3 C (46.9 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Grasmere as warming stripes, 1962 to 1983
Year	Annual mean temperature	Difference from the station mean
1962	6.8 C	-0.14 C
1963	7.0 C	+0.11 C
1964	6.1 C	-0.76 C
1965	6.7 C	-0.16 C
1966	7.3 C	+0.42 C
1967	7.7 C	+0.77 C
1968	6.5 C	-0.43 C
1969	6.4 C	-0.53 C
1973	7.5 C	+0.59 C
1974	8.3 C	+1.38 C
1975	6.8 C	-0.10 C
1977	7.2 C	+0.30 C
1978	6.4 C	-0.49 C
1982	5.7 C	-1.22 C
1983	7.1 C	+0.24 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

1962 to 1983

Yearly extremes at Grasmere: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1972	36.1 C (97.0 F)	22
Coldest night (TNn)	-42.8 C (-45.0 F)	1968	-31.1 C (-24.0 F)	22
Wettest day (Rx1day)	45.2 mm (1.8 in)	1965	32.8 mm (1.3 in)	22
Wettest five days (Rx5day)	120.6 mm (4.7 in)	1969	59.6 mm (2.3 in)	22
Longest dry spell (CDD)	75 days	1967	28 days	22

Hottest day (TXx)

The hottest day of the year at Grasmere, 1962 to 1983. The record is 39.4 C (102.9 F) in 1972, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Grasmere by year
Year	Hottest day (TXx)
1962	35.6 C (96.1 F)
1963	36.1 C (97.0 F)
1964	34.4 C (93.9 F)
1965	37.2 C (99.0 F)
1966	35.0 C (95.0 F)
1967	37.8 C (100.0 F)
1968	35.6 C (96.1 F)
1969	36.7 C (98.1 F)
1970	36.1 C (97.0 F)
1971	36.7 C (98.1 F)
1972	39.4 C (102.9 F)
1973	36.7 C (98.1 F)
1974	35.6 C (96.1 F)
1975	38.9 C (102.0 F)
1976	36.7 C (98.1 F)
1977	35.6 C (96.1 F)
1978	36.0 C (96.8 F)
1979	38.0 C (100.4 F)
1980	35.5 C (95.9 F)
1981	36.5 C (97.7 F)
1982	34.0 C (93.2 F)
1983	35.5 C (95.9 F)

Coldest night (TNn)

The coldest night of the year at Grasmere, 1962 to 1983. The record is -42.8 C (-45.0 F) in 1968, marked on the chart; the median year is -31.1 C (-24.0 F).

Coldest night (TNn) at Grasmere by year
Year	Coldest night (TNn)
1962	-33.9 C (-29.0 F)
1963	-33.3 C (-27.9 F)
1964	-33.3 C (-27.9 F)
1965	-21.7 C (-7.1 F)
1966	-26.7 C (-16.1 F)
1967	-20.0 C (-4.0 F)
1968	-42.8 C (-45.0 F)
1969	-32.8 C (-27.0 F)
1970	-26.1 C (-15.0 F)
1971	-26.1 C (-15.0 F)
1972	-31.1 C (-24.0 F)
1973	-31.1 C (-24.0 F)
1974	-28.9 C (-20.0 F)
1975	-28.9 C (-20.0 F)
1976	-23.9 C (-11.0 F)
1977	-23.9 C (-11.0 F)
1978	-35.5 C (-31.9 F)
1979	-36.0 C (-32.8 F)
1980	-32.0 C (-25.6 F)
1981	-29.0 C (-20.2 F)
1982	-32.0 C (-25.6 F)
1983	-33.0 C (-27.4 F)

Wettest day (Rx1day)

The wettest day of the year at Grasmere, 1962 to 1983. The record is 45.2 mm (1.8 in) in 1965, marked on the chart; the median year is 32.8 mm (1.3 in).

Wettest day (Rx1day) at Grasmere by year
Year	Wettest day (Rx1day)
1962	18.5 mm (0.7 in)
1963	34.3 mm (1.4 in)
1964	43.2 mm (1.7 in)
1965	45.2 mm (1.8 in)
1966	29.7 mm (1.2 in)
1967	18.8 mm (0.7 in)
1968	42.4 mm (1.7 in)
1969	40.9 mm (1.6 in)
1970	24.4 mm (1.0 in)
1971	33.5 mm (1.3 in)
1972	27.4 mm (1.1 in)
1973	34.3 mm (1.4 in)
1974	40.6 mm (1.6 in)
1975	43.9 mm (1.7 in)
1976	32.0 mm (1.3 in)
1977	19.3 mm (0.8 in)
1978	26.7 mm (1.1 in)
1979	30.6 mm (1.2 in)
1980	28.6 mm (1.1 in)
1981	43.6 mm (1.7 in)
1982	26.8 mm (1.1 in)
1983	37.8 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Grasmere, 1962 to 1983. The record is 120.6 mm (4.7 in) in 1969, marked on the chart; the median year is 59.6 mm (2.3 in).

Wettest five days (Rx5day) at Grasmere by year
Year	Wettest five days (Rx5day)
1962	25.9 mm (1.0 in)
1963	68.4 mm (2.7 in)
1964	52.4 mm (2.1 in)
1965	57.4 mm (2.3 in)
1966	78.8 mm (3.1 in)
1967	33.5 mm (1.3 in)
1968	68.9 mm (2.7 in)
1969	120.6 mm (4.7 in)
1970	48.8 mm (1.9 in)
1971	38.9 mm (1.5 in)
1972	57.1 mm (2.2 in)
1973	71.4 mm (2.8 in)
1974	72.4 mm (2.9 in)
1975	94.2 mm (3.7 in)
1976	61.0 mm (2.4 in)
1977	30.5 mm (1.2 in)
1978	58.2 mm (2.3 in)
1979	34.8 mm (1.4 in)
1980	63.8 mm (2.5 in)
1981	88.4 mm (3.5 in)
1982	67.6 mm (2.7 in)
1983	52.0 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Grasmere, 1962 to 1983. The record is 75 days in 1967, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at Grasmere by year
Year	Longest dry spell (CDD)
1962	26 days
1963	28 days
1964	28 days
1965	20 days
1966	27 days
1967	75 days
1968	21 days
1969	44 days
1970	26 days
1971	23 days
1972	37 days
1973	28 days
1974	43 days
1975	28 days
1976	34 days
1977	32 days
1978	21 days
1979	43 days
1980	18 days
1981	24 days
1982	19 days
1983	19 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.

Download the Data

Data for Grasmere standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grasmere 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).