Blind River Weather Records (CA006050801)

Record envelope, standing records and threshold days for Blind River (CA006050801), Ontario, Canada, with 34 years of record.

Key Facts for Blind River

Blind River (CA006050801) is a weather station in Ontario, Canada at 46.20 latitude and -83.00 longitude, 183 m (600 ft) above sea level.
The station reports from 1926 to 1959, 34 years of record.
1,464 records set at Blind River still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Blind River set a daily record precipitation of 42.7 mm (1.7 in) on 24 October 1959.

About the Station

Location: Ontario, Canada, 46.20 latitude, -83.00 longitude.
Elevation: 183 m (600 ft).
Period of record: 1926 to 1959, 34 years.
Eligible elements: 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 Blind River. 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 Blind River, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	6.7 C (44.1 F)	-35.0 C (-31.0 F)	n/a	n/a
Feb	8.3 C (46.9 F)	-37.2 C (-35.0 F)	n/a	n/a
Mar	20.6 C (69.1 F)	-31.1 C (-24.0 F)	n/a	n/a
Apr	26.7 C (80.1 F)	-20.6 C (-5.1 F)	n/a	n/a
May	27.2 C (81.0 F)	-7.2 C (19.0 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-3.9 C (25.0 F)	n/a	n/a
Jul	36.7 C (98.1 F)	-0.6 C (30.9 F)	n/a	n/a
Aug	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a
Sep	32.2 C (90.0 F)	-3.9 C (25.0 F)	n/a	n/a
Oct	23.9 C (75.0 F)	-11.1 C (12.0 F)	n/a	n/a
Nov	15.6 C (60.1 F)	-26.1 C (-15.0 F)	n/a	n/a
Dec	10.6 C (51.1 F)	-35.0 C (-31.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Blind River still stand. 1947 holds the most, with 84.

Standing records at Blind River by the year they were set
Year set	Standing records
1929	41
1930	74
1931	77
1932	74
1933	65
1934	81
1935	32
1936	76
1937	30
1938	44
1939	33
1940	50
1941	62
1942	43
1943	51
1944	50
1945	66
1946	59
1947	84
1948	73
1949	59
1950	61
1951	59
1952	37
1953	32
1954	19
1956	19
1957	13

Wettest Day of Each Month

Sep: 63.5 mm (2.5 in)

The wettest day on record for each calendar month at Blind River. The most was 63.5 mm (2.5 in) on 14 September 1941.

Record daily precipitation for each month at Blind River
Month	Record daily precipitation (mm)	Date
Jan	59.2 mm (2.3 in)	13 January 1932
Feb	38.1 mm (1.5 in)	21 February 1953
Mar	30.5 mm (1.2 in)	15 March 1943
Apr	51.3 mm (2.0 in)	26 April 1954
May	47.8 mm (1.9 in)	3 May 1933
Jun	57.9 mm (2.3 in)	30 June 1946
Jul	58.7 mm (2.3 in)	16 July 1933
Aug	49.5 mm (1.9 in)	18 August 1946
Sep	63.5 mm (2.5 in)	14 September 1941
Oct	54.6 mm (2.1 in)	17 October 1937
Nov	35.3 mm (1.4 in)	20 November 1931
Dec	33.8 mm (1.3 in)	27 December 1936

Period of Record Coverage

1929 to 1957

28 years of record at Blind River, 1929 to 1957. 15 years have data for under 90 percent of days and are left out of rankings: 1929, 1934, 1935, 1938, 1939, 1942, 1943, 1944 and others.

Days with data per year at Blind River
Year	Days with data	Share of year	Complete
1929	210	58%	No
1930	365	100%	Yes
1931	365	100%	Yes
1932	366	100%	Yes
1933	365	100%	Yes
1934	304	83%	No
1935	275	75%	No
1936	338	92%	Yes
1937	365	100%	Yes
1938	273	75%	No
1939	243	67%	No
1940	366	100%	Yes
1941	363	99%	Yes
1942	304	83%	No
1943	300	82%	No
1944	323	88%	No
1945	303	83%	No
1946	245	67%	No
1947	365	100%	Yes
1948	350	96%	Yes
1949	364	100%	Yes
1950	364	100%	Yes
1951	334	92%	Yes
1952	273	75%	No
1953	268	73%	No
1954	180	49%	No
1956	92	25%	No
1957	92	25%	No

Latest Records

Latest records at Blind River
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 October 1959	Blind River, CA	daily rain	42.7 mm (1.7 in)	23.6 mm (0.9 in)	8 years	31 of 100 (Routine)
23 October 1959	Blind River, CA	daily rain	41.9 mm (1.6 in)	5.1 mm (0.20 in)	1 year	8 of 100 (Routine)
2 October 1959	Blind River, CA	daily rain	8.9 mm (0.35 in)	1.3 mm (0.05 in)	13 years	8 of 100 (Routine)
22 September 1959	Blind River, CA	daily rain	39.6 mm (1.6 in)	21.3 mm (0.8 in)	28 years	31 of 100 (Routine)
23 August 1959	Blind River, CA	daily rain	21.1 mm (0.8 in)	1.8 mm (0.07 in)	1 year	4 of 100 (Routine)
16 August 1959	Blind River, CA	daily rain	14.2 mm (0.6 in)	7.1 mm (0.28 in)	17 years	15 of 100 (Routine)
1 July 1959	Blind River, CA	daily rain	29.5 mm (1.2 in)	0.3 mm (0.01 in)	26 years	11 of 100 (Routine)
27 June 1959	Blind River, CA	daily rain	25.1 mm (1.0 in)	6.0 mm (0.24 in)	17 years	14 of 100 (Routine)
26 June 1959	Blind River, CA	daily rain	20.6 mm (0.8 in)	7.9 mm (0.31 in)	24 years	18 of 100 (Routine)
7 May 1959	Blind River, CA	daily rain	27.9 mm (1.1 in)	3.5 mm (0.14 in)	17 years	12 of 100 (Routine)

Climate Trend

10 complete years, 1930 to 1950

One stripe for each of 10 complete years at Blind River, 1930 to 1950. 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 1950, at 3.9 C (39.0 F), and the warmest was 1931, at 7.5 C (45.4 F). The strongest colour marks a difference of 2.1 C (3.8 F).

Annual mean temperature at Blind River as warming stripes, 1930 to 1950
Year	Annual mean temperature	Difference from the station mean
1930	6.0 C	+0.06 C
1931	7.5 C	+1.55 C
1932	6.7 C	+0.77 C
1933	6.1 C	+0.14 C
1937	5.8 C	-0.12 C
1940	5.0 C	-0.90 C
1941	6.4 C	+0.48 C
1947	6.0 C	+0.07 C
1949	5.9 C	-0.01 C
1950	3.9 C	-2.01 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

1926 to 1959

Yearly extremes at Blind River: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	1936	30.9 C (87.5 F)	28
Coldest night (TNn)	-37.2 C (-35.0 F)	1934	-28.8 C (-19.9 F)	28
Wettest day (Rx1day)	63.5 mm (2.5 in)	1941	42.0 mm (1.7 in)	32
Wettest five days (Rx5day)	107.6 mm (4.2 in)	1954	64.3 mm (2.5 in)	32
Longest dry spell (CDD)	26 days	1927	18 days	32

Hottest day (TXx)

The hottest day of the year at Blind River, 1926 to 1959. The record is 36.7 C (98.1 F) in 1936, marked on the chart; the median year is 30.9 C (87.5 F).

Hottest day (TXx) at Blind River by year
Year	Hottest day (TXx)
1926	n/a
1927	n/a
1928	n/a
1929	28.3 C (82.9 F)
1930	30.0 C (86.0 F)
1931	32.2 C (90.0 F)
1932	28.9 C (84.0 F)
1933	33.3 C (91.9 F)
1934	31.1 C (88.0 F)
1935	31.1 C (88.0 F)
1936	36.7 C (98.1 F)
1937	32.8 C (91.0 F)
1938	31.7 C (89.1 F)
1939	30.6 C (87.1 F)
1940	29.4 C (84.9 F)
1941	33.9 C (93.0 F)
1942	29.4 C (84.9 F)
1943	29.4 C (84.9 F)
1944	30.6 C (87.1 F)
1945	31.7 C (89.1 F)
1946	29.4 C (84.9 F)
1947	32.8 C (91.0 F)
1948	32.2 C (90.0 F)
1949	31.1 C (88.0 F)
1950	27.8 C (82.0 F)
1951	25.0 C (77.0 F)
1952	28.9 C (84.0 F)
1953	31.1 C (88.0 F)
1954	28.9 C (84.0 F)
1956	27.2 C (81.0 F)
1957	31.1 C (88.0 F)
1959	n/a

Coldest night (TNn)

The coldest night of the year at Blind River, 1926 to 1959. The record is -37.2 C (-35.0 F) in 1934, marked on the chart; the median year is -28.8 C (-19.9 F).

Coldest night (TNn) at Blind River by year
Year	Coldest night (TNn)
1926	n/a
1927	n/a
1928	n/a
1929	-26.1 C (-15.0 F)
1930	-33.3 C (-27.9 F)
1931	-27.2 C (-17.0 F)
1932	-28.3 C (-18.9 F)
1933	-35.0 C (-31.0 F)
1934	-37.2 C (-35.0 F)
1935	-25.0 C (-13.0 F)
1936	-36.1 C (-33.0 F)
1937	-22.8 C (-9.0 F)
1938	-30.0 C (-22.0 F)
1939	-17.8 C (0.0 F)
1940	-32.2 C (-26.0 F)
1941	-29.4 C (-20.9 F)
1942	-30.0 C (-22.0 F)
1943	-32.8 C (-27.0 F)
1944	-23.9 C (-11.0 F)
1945	-23.3 C (-9.9 F)
1946	-16.7 C (1.9 F)
1947	-30.0 C (-22.0 F)
1948	-32.2 C (-26.0 F)
1949	-26.7 C (-16.1 F)
1950	-33.3 C (-27.9 F)
1951	-36.7 C (-34.1 F)
1952	-34.4 C (-29.9 F)
1953	-27.8 C (-18.0 F)
1954	-20.6 C (-5.1 F)
1956	-2.2 C (28.0 F)
1957	-2.8 C (27.0 F)
1959	n/a

Wettest day (Rx1day)

The wettest day of the year at Blind River, 1926 to 1959. The record is 63.5 mm (2.5 in) in 1941, marked on the chart; the median year is 42.0 mm (1.7 in).

Wettest day (Rx1day) at Blind River by year
Year	Wettest day (Rx1day)
1926	32.3 mm (1.3 in)
1927	31.8 mm (1.3 in)
1928	41.7 mm (1.6 in)
1929	25.7 mm (1.0 in)
1930	30.0 mm (1.2 in)
1931	38.6 mm (1.5 in)
1932	59.2 mm (2.3 in)
1933	58.7 mm (2.3 in)
1934	44.5 mm (1.8 in)
1935	38.1 mm (1.5 in)
1936	62.0 mm (2.4 in)
1937	54.6 mm (2.1 in)
1938	42.2 mm (1.7 in)
1939	31.2 mm (1.2 in)
1940	52.1 mm (2.1 in)
1941	63.5 mm (2.5 in)
1942	47.2 mm (1.9 in)
1943	47.0 mm (1.9 in)
1944	47.2 mm (1.9 in)
1945	34.8 mm (1.4 in)
1946	57.9 mm (2.3 in)
1947	26.7 mm (1.1 in)
1948	33.8 mm (1.3 in)
1949	34.5 mm (1.4 in)
1950	32.5 mm (1.3 in)
1951	33.0 mm (1.3 in)
1952	43.2 mm (1.7 in)
1953	38.1 mm (1.5 in)
1954	51.3 mm (2.0 in)
1956	48.3 mm (1.9 in)
1957	36.8 mm (1.4 in)
1959	42.7 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Blind River, 1926 to 1959. The record is 107.6 mm (4.2 in) in 1954, marked on the chart; the median year is 64.3 mm (2.5 in).

Wettest five days (Rx5day) at Blind River by year
Year	Wettest five days (Rx5day)
1926	43.4 mm (1.7 in)
1927	42.4 mm (1.7 in)
1928	83.4 mm (3.3 in)
1929	46.3 mm (1.8 in)
1930	47.3 mm (1.9 in)
1931	59.7 mm (2.4 in)
1932	82.1 mm (3.2 in)
1933	106.0 mm (4.2 in)
1934	70.8 mm (2.8 in)
1935	49.1 mm (1.9 in)
1936	92.5 mm (3.6 in)
1937	66.8 mm (2.6 in)
1938	59.2 mm (2.3 in)
1939	49.3 mm (1.9 in)
1940	53.4 mm (2.1 in)
1941	98.0 mm (3.9 in)
1942	71.3 mm (2.8 in)
1943	83.8 mm (3.3 in)
1944	56.9 mm (2.2 in)
1945	73.6 mm (2.9 in)
1946	57.9 mm (2.3 in)
1947	49.3 mm (1.9 in)
1948	66.0 mm (2.6 in)
1949	76.2 mm (3.0 in)
1950	66.8 mm (2.6 in)
1951	61.3 mm (2.4 in)
1952	85.4 mm (3.4 in)
1953	62.6 mm (2.5 in)
1954	107.6 mm (4.2 in)
1956	51.4 mm (2.0 in)
1957	50.8 mm (2.0 in)
1959	101.6 mm (4.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Blind River, 1926 to 1959. The record is 26 days in 1927, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Blind River by year
Year	Longest dry spell (CDD)
1926	22 days
1927	26 days
1928	15 days
1929	19 days
1930	13 days
1931	20 days
1932	20 days
1933	18 days
1934	14 days
1935	15 days
1936	17 days
1937	13 days
1938	13 days
1939	22 days
1940	17 days
1941	19 days
1942	18 days
1943	14 days
1944	22 days
1945	26 days
1946	12 days
1947	19 days
1948	15 days
1949	23 days
1950	13 days
1951	20 days
1952	10 days
1953	22 days
1954	19 days
1956	20 days
1957	16 days
1959	15 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 Blind River standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Blind River 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.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).