Telegraph Creek Weather Records (CA001208040)

Record envelope, standing records and threshold days for Telegraph Creek (CA001208040), British Columbia, Canada, with 38 years of record.

Key Facts for Telegraph Creek

Telegraph Creek (CA001208040) is a weather station in British Columbia, Canada at 57.90 latitude and -131.17 longitude, 183 m (600 ft) above sea level.
The station reports from 1942 to 1979, 38 years of record.
1,464 records set at Telegraph Creek 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, 57.90 latitude, -131.17 longitude.
Elevation: 183 m (600 ft).
Period of record: 1942 to 1979, 38 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 Telegraph Creek. 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 Telegraph Creek, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.8 C (46.0 F)	-41.7 C (-43.1 F)	n/a	n/a
Feb	9.4 C (48.9 F)	-38.9 C (-38.0 F)	n/a	n/a
Mar	15.0 C (59.0 F)	-34.4 C (-29.9 F)	n/a	n/a
Apr	24.4 C (75.9 F)	-18.9 C (-2.0 F)	n/a	n/a
May	30.0 C (86.0 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	35.0 C (95.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	33.3 C (91.9 F)	1.1 C (34.0 F)	n/a	n/a
Aug	36.0 C (96.8 F)	0.0 C (32.0 F)	n/a	n/a
Sep	29.4 C (84.9 F)	-7.2 C (19.0 F)	n/a	n/a
Oct	21.7 C (71.1 F)	-16.7 C (1.9 F)	n/a	n/a
Nov	11.1 C (52.0 F)	-30.6 C (-23.1 F)	n/a	n/a
Dec	8.3 C (46.9 F)	-40.0 C (-40.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Telegraph Creek still stand. 1947 holds the most, with 100.

Standing records at Telegraph Creek by the year they were set
Year set	Standing records
1942	28
1943	66
1944	57
1945	72
1946	63
1947	100
1948	32
1949	54
1950	62
1951	81
1952	48
1953	37
1954	68
1955	59
1956	12
1957	29
1958	9
1960	11
1961	75
1962	2
1966	9
1967	61
1968	47
1969	55
1973	7
1974	63
1975	56
1976	41
1977	76
1978	48
1979	36

Wettest Day of Each Month

Sep: 39.6 mm (1.6 in)

The wettest day on record for each calendar month at Telegraph Creek. The most was 39.6 mm (1.6 in) on 10 September 1947.

Record daily precipitation for each month at Telegraph Creek
Month	Record daily precipitation (mm)	Date
Jan	31.0 mm (1.2 in)	3 January 1949
Feb	21.1 mm (0.8 in)	4 February 1947
Mar	25.4 mm (1.0 in)	26 March 1952
Apr	19.6 mm (0.8 in)	11 April 1943
May	15.2 mm (0.6 in)	17 May 1950
Jun	26.4 mm (1.0 in)	30 June 1944
Jul	24.9 mm (1.0 in)	16 July 1949
Aug	30.5 mm (1.2 in)	1 August 1955
Sep	39.6 mm (1.6 in)	10 September 1947
Oct	34.8 mm (1.4 in)	30 October 1978
Nov	25.4 mm (1.0 in)	21 November 1957
Dec	20.3 mm (0.8 in)	9 December 1976

Period of Record Coverage

1942 to 1979

31 years of record at Telegraph Creek, 1942 to 1979. 16 years have data for under 90 percent of days and are left out of rankings: 1942, 1943, 1948, 1950, 1954, 1955, 1956, 1957 and others.

Days with data per year at Telegraph Creek
Year	Days with data	Share of year	Complete
1942	180	49%	No
1943	299	82%	No
1944	366	100%	Yes
1945	364	100%	Yes
1946	364	100%	Yes
1947	365	100%	Yes
1948	152	42%	No
1949	336	92%	Yes
1950	302	83%	No
1951	334	92%	Yes
1952	339	93%	Yes
1953	344	94%	Yes
1954	313	86%	No
1955	203	56%	No
1956	51	14%	No
1957	324	89%	No
1958	80	22%	No
1960	128	35%	No
1961	335	92%	Yes
1962	59	16%	No
1966	88	24%	No
1967	355	97%	Yes
1968	283	77%	No
1969	273	75%	No
1973	67	18%	No
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	120	33%	No

Latest Records

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

Climate Trend

15 complete years, 1944 to 1978

One stripe for each of 15 complete years at Telegraph Creek, 1944 to 1978. Blue stripes are years cooler than the station's own mean of 2.5 C (36.5 F); red stripes are warmer. The coolest year was 1950, at -0.2 C (31.6 F), and the warmest was 1944, at 3.9 C (38.9 F). The strongest colour marks a difference of 2.8 C (5.0 F).

Annual mean temperature at Telegraph Creek as warming stripes, 1944 to 1978
Year	Annual mean temperature	Difference from the station mean
1944	3.9 C	+1.39 C
1945	2.5 C	+0.03 C
1946	2.6 C	+0.10 C
1947	3.5 C	+0.99 C
1949	1.9 C	-0.57 C
1950	-0.2 C	-2.70 C
1953	2.9 C	+0.47 C
1954	2.1 C	-0.39 C
1957	1.8 C	-0.67 C
1967	2.8 C	+0.33 C
1974	2.5 C	+0.04 C
1975	1.9 C	-0.56 C
1976	2.8 C	+0.34 C
1977	3.5 C	+0.99 C
1978	2.8 C	+0.28 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

1942 to 1979

Yearly extremes at Telegraph Creek: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.0 C (96.8 F)	1978	30.0 C (86.0 F)	31
Coldest night (TNn)	-41.7 C (-43.1 F)	1947	-36.1 C (-33.0 F)	31
Wettest day (Rx1day)	39.6 mm (1.6 in)	1947	21.3 mm (0.8 in)	31
Wettest five days (Rx5day)	85.6 mm (3.4 in)	1961	35.5 mm (1.4 in)	31
Longest dry spell (CDD)	69 days	1969	32 days	31

Hottest day (TXx)

The hottest day of the year at Telegraph Creek, 1942 to 1979. The record is 36.0 C (96.8 F) in 1978, marked on the chart; the median year is 30.0 C (86.0 F).

Hottest day (TXx) at Telegraph Creek by year
Year	Hottest day (TXx)
1942	31.7 C (89.1 F)
1943	28.3 C (82.9 F)
1944	30.0 C (86.0 F)
1945	28.9 C (84.0 F)
1946	30.6 C (87.1 F)
1947	30.0 C (86.0 F)
1948	17.2 C (63.0 F)
1949	26.7 C (80.1 F)
1950	32.2 C (90.0 F)
1951	32.8 C (91.0 F)
1952	31.1 C (88.0 F)
1953	32.2 C (90.0 F)
1954	27.8 C (82.0 F)
1955	28.3 C (82.9 F)
1956	5.6 C (42.1 F)
1957	30.6 C (87.1 F)
1958	12.2 C (54.0 F)
1960	23.9 C (75.0 F)
1961	33.3 C (91.9 F)
1962	7.2 C (45.0 F)
1966	15.0 C (59.0 F)
1967	30.6 C (87.1 F)
1968	29.4 C (84.9 F)
1969	35.0 C (95.0 F)
1973	6.7 C (44.1 F)
1974	30.6 C (87.1 F)
1975	33.3 C (91.9 F)
1976	32.2 C (90.0 F)
1977	34.4 C (93.9 F)
1978	36.0 C (96.8 F)
1979	24.0 C (75.2 F)

Coldest night (TNn)

The coldest night of the year at Telegraph Creek, 1942 to 1979. The record is -41.7 C (-43.1 F) in 1947, marked on the chart; the median year is -36.1 C (-33.0 F).

Coldest night (TNn) at Telegraph Creek by year
Year	Coldest night (TNn)
1942	-31.7 C (-25.1 F)
1943	-41.1 C (-42.0 F)
1944	-27.8 C (-18.0 F)
1945	-30.6 C (-23.1 F)
1946	-32.2 C (-26.0 F)
1947	-41.7 C (-43.1 F)
1948	-36.7 C (-34.1 F)
1949	-37.2 C (-35.0 F)
1950	-38.9 C (-38.0 F)
1951	-38.9 C (-38.0 F)
1952	-37.2 C (-35.0 F)
1953	-37.8 C (-36.0 F)
1954	-38.9 C (-38.0 F)
1955	-36.1 C (-33.0 F)
1956	-36.7 C (-34.1 F)
1957	-34.4 C (-29.9 F)
1958	-28.9 C (-20.0 F)
1960	-20.6 C (-5.1 F)
1961	-30.6 C (-23.1 F)
1962	-30.0 C (-22.0 F)
1966	-28.9 C (-20.0 F)
1967	-33.9 C (-29.0 F)
1968	-40.0 C (-40.0 F)
1969	-40.0 C (-40.0 F)
1973	-25.0 C (-13.0 F)
1974	-36.7 C (-34.1 F)
1975	-38.9 C (-38.0 F)
1976	-30.6 C (-23.1 F)
1977	-37.2 C (-35.0 F)
1978	-36.0 C (-32.8 F)
1979	-36.0 C (-32.8 F)

Wettest day (Rx1day)

The wettest day of the year at Telegraph Creek, 1942 to 1979. The record is 39.6 mm (1.6 in) in 1947, marked on the chart; the median year is 21.3 mm (0.8 in).

Wettest day (Rx1day) at Telegraph Creek by year
Year	Wettest day (Rx1day)
1942	11.7 mm (0.5 in)
1943	28.7 mm (1.1 in)
1944	26.4 mm (1.0 in)
1945	34.5 mm (1.4 in)
1946	15.0 mm (0.6 in)
1947	39.6 mm (1.6 in)
1948	23.4 mm (0.9 in)
1949	31.0 mm (1.2 in)
1950	15.2 mm (0.6 in)
1951	21.3 mm (0.8 in)
1952	25.4 mm (1.0 in)
1953	20.6 mm (0.8 in)
1954	19.3 mm (0.8 in)
1955	30.5 mm (1.2 in)
1956	7.1 mm (0.28 in)
1957	25.4 mm (1.0 in)
1958	10.2 mm (0.4 in)
1960	18.5 mm (0.7 in)
1961	30.7 mm (1.2 in)
1962	29.2 mm (1.1 in)
1966	19.8 mm (0.8 in)
1967	14.7 mm (0.6 in)
1968	25.4 mm (1.0 in)
1969	9.7 mm (0.38 in)
1973	6.4 mm (0.25 in)
1974	28.2 mm (1.1 in)
1975	16.0 mm (0.6 in)
1976	23.9 mm (0.9 in)
1977	12.2 mm (0.5 in)
1978	34.8 mm (1.4 in)
1979	8.4 mm (0.33 in)

Wettest five days (Rx5day)

The wettest five days of the year at Telegraph Creek, 1942 to 1979. The record is 85.6 mm (3.4 in) in 1961, marked on the chart; the median year is 35.5 mm (1.4 in).

Wettest five days (Rx5day) at Telegraph Creek by year
Year	Wettest five days (Rx5day)
1942	19.1 mm (0.8 in)
1943	35.1 mm (1.4 in)
1944	44.3 mm (1.7 in)
1945	78.2 mm (3.1 in)
1946	29.6 mm (1.2 in)
1947	56.4 mm (2.2 in)
1948	45.8 mm (1.8 in)
1949	50.8 mm (2.0 in)
1950	22.9 mm (0.9 in)
1951	28.1 mm (1.1 in)
1952	51.8 mm (2.0 in)
1953	21.4 mm (0.8 in)
1954	37.7 mm (1.5 in)
1955	43.2 mm (1.7 in)
1956	12.2 mm (0.5 in)
1957	31.8 mm (1.3 in)
1958	10.2 mm (0.4 in)
1960	37.1 mm (1.5 in)
1961	85.6 mm (3.4 in)
1962	72.5 mm (2.9 in)
1966	29.4 mm (1.2 in)
1967	34.1 mm (1.3 in)
1968	36.3 mm (1.4 in)
1969	15.2 mm (0.6 in)
1973	12.8 mm (0.5 in)
1974	51.6 mm (2.0 in)
1975	35.5 mm (1.4 in)
1976	49.9 mm (2.0 in)
1977	32.3 mm (1.3 in)
1978	56.4 mm (2.2 in)
1979	17.2 mm (0.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Telegraph Creek, 1942 to 1979. The record is 69 days in 1969, marked on the chart; the median year is 32 days.

Longest dry spell (CDD) at Telegraph Creek by year
Year	Longest dry spell (CDD)
1942	20 days
1943	34 days
1944	42 days
1945	45 days
1946	65 days
1947	50 days
1948	28 days
1949	55 days
1950	45 days
1951	33 days
1952	23 days
1953	49 days
1954	16 days
1955	13 days
1956	6 days
1957	32 days
1958	15 days
1960	20 days
1961	20 days
1962	29 days
1966	13 days
1967	32 days
1968	44 days
1969	69 days
1973	23 days
1974	21 days
1975	34 days
1976	40 days
1977	25 days
1978	45 days
1979	47 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 Telegraph Creek standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Telegraph Creek 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).