North Nicomen Weather Records (CA001105630)

Record envelope, standing records and threshold days for North Nicomen (CA001105630), British Columbia, Canada, with 32 years of record.

Key Facts for North Nicomen

North Nicomen (CA001105630) is a weather station in British Columbia, Canada at 49.20 latitude and -122.03 longitude, 18 m (59 ft) above sea level.
The station reports from 1897 to 1928, 32 years of record.
1,464 records set at North Nicomen still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
North Nicomen set a daily record precipitation of 24.1 mm (0.9 in) on 22 October 1928.

About the Station

Location: British Columbia, Canada, 49.20 latitude, -122.03 longitude.
Elevation: 18 m (59 ft).
Period of record: 1897 to 1928, 32 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 North Nicomen. 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 North Nicomen, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	15.0 C (59.0 F)	-20.6 C (-5.1 F)	n/a	n/a
Feb	16.7 C (62.1 F)	-15.0 C (5.0 F)	n/a	n/a
Mar	23.9 C (75.0 F)	-11.1 C (12.0 F)	n/a	n/a
Apr	28.3 C (82.9 F)	-3.9 C (25.0 F)	n/a	n/a
May	33.3 C (91.9 F)	-1.1 C (30.0 F)	n/a	n/a
Jun	33.9 C (93.0 F)	1.7 C (35.1 F)	n/a	n/a
Jul	35.6 C (96.1 F)	4.4 C (39.9 F)	n/a	n/a
Aug	37.2 C (99.0 F)	3.3 C (37.9 F)	n/a	n/a
Sep	32.2 C (90.0 F)	-1.7 C (28.9 F)	n/a	n/a
Oct	25.6 C (78.1 F)	-5.6 C (21.9 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-12.8 C (9.0 F)	n/a	n/a
Dec	15.0 C (59.0 F)	-17.8 C (0.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at North Nicomen still stand. 1899 holds the most, with 77.

Standing records at North Nicomen by the year they were set
Year set	Standing records
1897	69
1898	44
1899	77
1900	68
1901	50
1902	40
1903	44
1904	52
1905	56
1906	60
1907	35
1908	39
1909	49
1910	39
1911	46
1912	40
1913	37
1914	48
1915	27
1916	44
1917	43
1918	41
1919	58
1920	42
1921	25
1922	44
1923	45
1924	68
1925	34
1926	38
1927	41
1928	21

Wettest Day of Each Month

Nov: 119.4 mm (4.7 in)

The wettest day on record for each calendar month at North Nicomen. The most was 119.4 mm (4.7 in) on 15 November 1919.

Record daily precipitation for each month at North Nicomen
Month	Record daily precipitation (mm)	Date
Jan	86.1 mm (3.4 in)	22 January 1910
Feb	106.2 mm (4.2 in)	11 February 1924
Mar	79.2 mm (3.1 in)	9 March 1900
Apr	56.9 mm (2.2 in)	5 April 1910
May	47.8 mm (1.9 in)	25 May 1919
Jun	51.1 mm (2.0 in)	1 June 1901
Jul	45.0 mm (1.8 in)	1 July 1897
Aug	77.7 mm (3.1 in)	31 August 1912
Sep	74.7 mm (2.9 in)	11 September 1920
Oct	90.4 mm (3.6 in)	8 October 1928
Nov	119.4 mm (4.7 in)	15 November 1919
Dec	80.8 mm (3.2 in)	22 December 1899

Period of Record Coverage

1897 to 1928

32 years of record at North Nicomen, 1897 to 1928. Every year has data for at least 90 percent of its days.

Days with data per year at North Nicomen
Year	Days with data	Share of year	Complete
1897	359	98%	Yes
1898	365	100%	Yes
1899	364	100%	Yes
1900	365	100%	Yes
1901	365	100%	Yes
1902	365	100%	Yes
1903	365	100%	Yes
1904	366	100%	Yes
1905	365	100%	Yes
1906	364	100%	Yes
1907	364	100%	Yes
1908	366	100%	Yes
1909	363	99%	Yes
1910	365	100%	Yes
1911	364	100%	Yes
1912	366	100%	Yes
1913	365	100%	Yes
1914	363	99%	Yes
1915	365	100%	Yes
1916	365	100%	Yes
1917	365	100%	Yes
1918	363	99%	Yes
1919	364	100%	Yes
1920	366	100%	Yes
1921	365	100%	Yes
1922	365	100%	Yes
1923	365	100%	Yes
1924	366	100%	Yes
1925	364	100%	Yes
1926	365	100%	Yes
1927	365	100%	Yes
1928	335	92%	Yes

Latest Records

Latest records at North Nicomen
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 October 1928	North Nicomen, CA	daily rain	24.1 mm (0.9 in)	8.9 mm (0.35 in)	28 years	17 of 100 (Routine)
13 October 1928	North Nicomen, CA	daily low min (Tie)	1.1 C (34.0 F)	tie	23 years	2 of 100 (Routine)
12 October 1928	North Nicomen, CA	daily low min	0.6 C (33.1 F)	1.1 C (2.0 F)	3 years	6 of 100 (Routine)
8 October 1928	North Nicomen, CA	monthly rain	90.4 mm (3.6 in)	6.1 mm (0.24 in)	9 years	19 of 100 (Routine)
6 October 1928	North Nicomen, CA	daily rain	36.1 mm (1.4 in)	15.0 mm (0.6 in)	8 years	15 of 100 (Routine)
24 September 1928	North Nicomen, CA	daily high min (Tie)	13.3 C (55.9 F)	tie	25 years	2 of 100 (Routine)
23 September 1928	North Nicomen, CA	daily high max	27.8 C (82.0 F)	1.1 C (2.0 F)	3 years	5 of 100 (Routine)
22 September 1928	North Nicomen, CA	daily high max	31.7 C (89.1 F)	6.7 C (12.1 F)	3 years	19 of 100 (Routine)
10 September 1928	North Nicomen, CA	daily low min	3.3 C (37.9 F)	1.1 C (2.0 F)	4 years	7 of 100 (Routine)
9 September 1928	North Nicomen, CA	daily low min	4.4 C (39.9 F)	1.7 C (3.1 F)	30 years	18 of 100 (Routine)
8 September 1928	North Nicomen, CA	daily low min	3.9 C (39.0 F)	1.1 C (2.0 F)	6 years	7 of 100 (Routine)
7 September 1928	North Nicomen, CA	daily low min (Tie)	5.6 C (42.1 F)	tie	28 years	2 of 100 (Routine)
2 September 1928	North Nicomen, CA	daily high max	29.4 C (84.9 F)	1.1 C (2.0 F)	11 years	8 of 100 (Routine)
1 September 1928	North Nicomen, CA	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	23 years	12 of 100 (Routine)
31 August 1928	North Nicomen, CA	daily high max (Tie)	28.9 C (84.0 F)	tie	10 years	1 of 100 (Routine)
21 August 1928	North Nicomen, CA	daily low min	7.2 C (45.0 F)	0.6 C (1.1 F)	24 years	12 of 100 (Routine)
18 August 1928	North Nicomen, CA	daily low min (Tie)	7.2 C (45.0 F)	tie	22 years	2 of 100 (Routine)
15 August 1928	North Nicomen, CA	daily low min	7.8 C (46.0 F)	1.6 C (2.9 F)	9 years	12 of 100 (Routine)
14 August 1928	North Nicomen, CA	daily low min	7.2 C (45.0 F)	2.2 C (4.0 F)	29 years	20 of 100 (Routine)
13 August 1928	North Nicomen, CA	daily rain	17.8 mm (0.7 in)	9.4 mm (0.37 in)	18 years	17 of 100 (Routine)

Climate Trend

31 complete years, 1897 to 1927

One stripe for each of 31 complete years at North Nicomen, 1897 to 1927. Blue stripes are years cooler than the station's own mean of 9.8 C (49.7 F); red stripes are warmer. The coolest year was 1916, at 8.4 C (47.2 F), and the warmest was 1926, at 11.2 C (52.1 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at North Nicomen as warming stripes, 1897 to 1927
Year	Annual mean temperature	Difference from the station mean
1897	9.7 C	-0.15 C
1898	10.1 C	+0.24 C
1899	9.6 C	-0.26 C
1900	10.3 C	+0.44 C
1901	9.9 C	+0.08 C
1902	9.7 C	-0.09 C
1903	9.5 C	-0.32 C
1904	10.2 C	+0.38 C
1905	10.4 C	+0.53 C
1906	10.7 C	+0.92 C
1907	9.6 C	-0.19 C
1908	9.9 C	+0.07 C
1909	8.9 C	-0.96 C
1910	9.7 C	-0.12 C
1911	8.9 C	-0.88 C
1912	10.0 C	+0.13 C
1913	9.3 C	-0.49 C
1914	10.5 C	+0.63 C
1915	11.0 C	+1.14 C
1916	8.4 C	-1.38 C
1917	9.2 C	-0.61 C
1918	10.2 C	+0.40 C
1919	9.0 C	-0.81 C
1920	9.4 C	-0.39 C
1921	9.3 C	-0.52 C
1922	9.0 C	-0.86 C
1923	10.4 C	+0.54 C
1924	10.1 C	+0.27 C
1925	11.0 C	+1.13 C
1926	11.2 C	+1.36 C
1927	9.6 C	-0.23 C

The fitted trend in annual mean temperature here over 1897 to 1927 is 0.03 C (-0.25 to 0.31) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.1 F (-0.4 to 0.6) per decade. The slope is a straight line fitted to 31 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at North Nicomen
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.03 C (-0.25 to 0.31) per decade	0.1 F (-0.4 to 0.6) per decade	1897 to 1927	31	Not clearly different from zero
Mean daily maximum	0.2 C (-0.1 to 0.5) per decade	0.4 F (-0.2 to 0.9) per decade	1897 to 1927	31	Not clearly different from zero
Mean daily minimum	-0.1 C (-0.4 to 0.1) per decade	-0.3 F (-0.8 to 0.2) per decade	1897 to 1927	31	Not clearly different from zero

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

1897 to 1928

Yearly extremes at North Nicomen: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.2 C (99.0 F)	1908	33.3 C (91.9 F)	32
Coldest night (TNn)	-20.6 C (-5.1 F)	1911	-12.8 C (9.0 F)	32
Wettest day (Rx1day)	119.4 mm (4.7 in)	1919	73.3 mm (2.9 in)	32
Wettest five days (Rx5day)	266.8 mm (10.5 in)	1914	151.6 mm (6.0 in)	32
Longest dry spell (CDD)	47 days	1922	24 days	32

Hottest day (TXx)

The hottest day of the year at North Nicomen, 1897 to 1928. The record is 37.2 C (99.0 F) in 1908, marked on the chart; the median year is 33.3 C (91.9 F).

Hottest day (TXx) at North Nicomen by year
Year	Hottest day (TXx)
1897	33.3 C (91.9 F)
1898	34.4 C (93.9 F)
1899	31.7 C (89.1 F)
1900	28.9 C (84.0 F)
1901	32.2 C (90.0 F)
1902	34.4 C (93.9 F)
1903	33.3 C (91.9 F)
1904	31.7 C (89.1 F)
1905	32.8 C (91.0 F)
1906	33.9 C (93.0 F)
1907	35.0 C (95.0 F)
1908	37.2 C (99.0 F)
1909	28.9 C (84.0 F)
1910	33.3 C (91.9 F)
1911	33.9 C (93.0 F)
1912	32.8 C (91.0 F)
1913	33.3 C (91.9 F)
1914	32.2 C (90.0 F)
1915	35.6 C (96.1 F)
1916	32.2 C (90.0 F)
1917	30.6 C (87.1 F)
1918	33.9 C (93.0 F)
1919	32.2 C (90.0 F)
1920	32.8 C (91.0 F)
1921	30.0 C (86.0 F)
1922	33.3 C (91.9 F)
1923	35.0 C (95.0 F)
1924	33.9 C (93.0 F)
1925	35.0 C (95.0 F)
1926	35.6 C (96.1 F)
1927	35.6 C (96.1 F)
1928	33.3 C (91.9 F)

Coldest night (TNn)

The coldest night of the year at North Nicomen, 1897 to 1928. The record is -20.6 C (-5.1 F) in 1911, marked on the chart; the median year is -12.8 C (9.0 F).

Coldest night (TNn) at North Nicomen by year
Year	Coldest night (TNn)
1897	-11.1 C (12.0 F)
1898	-9.4 C (15.1 F)
1899	-15.0 C (5.0 F)
1900	-12.2 C (10.0 F)
1901	-13.3 C (8.1 F)
1902	-12.8 C (9.0 F)
1903	-7.2 C (19.0 F)
1904	-13.3 C (8.1 F)
1905	-10.6 C (12.9 F)
1906	-8.3 C (17.1 F)
1907	-17.8 C (0.0 F)
1908	-9.4 C (15.1 F)
1909	-18.9 C (-2.0 F)
1910	-11.1 C (12.0 F)
1911	-20.6 C (-5.1 F)
1912	-14.4 C (6.1 F)
1913	-16.1 C (3.0 F)
1914	-8.9 C (16.0 F)
1915	-7.2 C (19.0 F)
1916	-18.9 C (-2.0 F)
1917	-18.3 C (-0.9 F)
1918	-10.6 C (12.9 F)
1919	-15.6 C (3.9 F)
1920	-10.0 C (14.0 F)
1921	-12.2 C (10.0 F)
1922	-17.8 C (0.0 F)
1923	-14.4 C (6.1 F)
1924	-16.1 C (3.0 F)
1925	-3.9 C (25.0 F)
1926	-12.8 C (9.0 F)
1927	-15.0 C (5.0 F)
1928	-6.7 C (19.9 F)

Wettest day (Rx1day)

The wettest day of the year at North Nicomen, 1897 to 1928. The record is 119.4 mm (4.7 in) in 1919, marked on the chart; the median year is 73.3 mm (2.9 in).

Wettest day (Rx1day) at North Nicomen by year
Year	Wettest day (Rx1day)
1897	73.2 mm (2.9 in)
1898	56.9 mm (2.2 in)
1899	80.8 mm (3.2 in)
1900	79.2 mm (3.1 in)
1901	89.7 mm (3.5 in)
1902	80.3 mm (3.2 in)
1903	73.2 mm (2.9 in)
1904	49.5 mm (1.9 in)
1905	67.1 mm (2.6 in)
1906	70.6 mm (2.8 in)
1907	52.6 mm (2.1 in)
1908	59.9 mm (2.4 in)
1909	117.1 mm (4.6 in)
1910	86.1 mm (3.4 in)
1911	62.2 mm (2.4 in)
1912	77.7 mm (3.1 in)
1913	68.6 mm (2.7 in)
1914	84.6 mm (3.3 in)
1915	59.4 mm (2.3 in)
1916	67.8 mm (2.7 in)
1917	73.4 mm (2.9 in)
1918	84.3 mm (3.3 in)
1919	119.4 mm (4.7 in)
1920	79.2 mm (3.1 in)
1921	83.6 mm (3.3 in)
1922	82.0 mm (3.2 in)
1923	65.8 mm (2.6 in)
1924	106.2 mm (4.2 in)
1925	54.1 mm (2.1 in)
1926	65.8 mm (2.6 in)
1927	47.0 mm (1.9 in)
1928	90.4 mm (3.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at North Nicomen, 1897 to 1928. The record is 266.8 mm (10.5 in) in 1914, marked on the chart; the median year is 151.6 mm (6.0 in).

Wettest five days (Rx5day) at North Nicomen by year
Year	Wettest five days (Rx5day)
1897	134.9 mm (5.3 in)
1898	133.3 mm (5.2 in)
1899	144.3 mm (5.7 in)
1900	162.3 mm (6.4 in)
1901	144.4 mm (5.7 in)
1902	148.6 mm (5.9 in)
1903	173.1 mm (6.8 in)
1904	116.2 mm (4.6 in)
1905	95.2 mm (3.7 in)
1906	147.4 mm (5.8 in)
1907	177.6 mm (7.0 in)
1908	145.0 mm (5.7 in)
1909	231.4 mm (9.1 in)
1910	156.7 mm (6.2 in)
1911	131.9 mm (5.2 in)
1912	115.2 mm (4.5 in)
1913	178.7 mm (7.0 in)
1914	266.8 mm (10.5 in)
1915	115.7 mm (4.6 in)
1916	161.6 mm (6.4 in)
1917	175.6 mm (6.9 in)
1918	162.5 mm (6.4 in)
1919	184.2 mm (7.3 in)
1920	179.3 mm (7.1 in)
1921	200.2 mm (7.9 in)
1922	148.3 mm (5.8 in)
1923	118.1 mm (4.6 in)
1924	240.1 mm (9.5 in)
1925	154.5 mm (6.1 in)
1926	113.5 mm (4.5 in)
1927	108.2 mm (4.3 in)
1928	165.2 mm (6.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at North Nicomen, 1897 to 1928. The record is 47 days in 1922, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at North Nicomen by year
Year	Longest dry spell (CDD)
1897	20 days
1898	31 days
1899	16 days
1900	19 days
1901	34 days
1902	21 days
1903	23 days
1904	30 days
1905	28 days
1906	33 days
1907	25 days
1908	26 days
1909	18 days
1910	20 days
1911	26 days
1912	22 days
1913	14 days
1914	22 days
1915	36 days
1916	20 days
1917	22 days
1918	38 days
1919	29 days
1920	23 days
1921	15 days
1922	47 days
1923	43 days
1924	17 days
1925	37 days
1926	17 days
1927	29 days
1928	38 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

31 years with a frost

Across 31 years with a frost, the median last spring frost at North Nicomen falls on 15 April and the median first autumn frost on 29 October, which leaves a median of 192 days between them.

Fitted over all years, the growing season changes by -7.3 days per decade at this station.

Frost dates and growing season at North Nicomen
Measure	Median, all years	Earliest period	Recent period (1898 to 1927)	Recent against earliest	Fitted trend
Last spring frost	15 April	n/a	17 April	n/a	+0.2 days per decade
First autumn frost	29 October	n/a	29 October	n/a	-7.1 days per decade
Growing days	192 days	n/a	192 days	n/a	-7.3 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

32 years, 1897 to 1928

A day with at least 73.2 mm (2.9 in) of rain is expected about once in 2 years. A day with at least 124.8 mm (4.9 in) of rain is expected about once in 100 years.

Rainfall return levels at North Nicomen: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	73.2 mm (2.9 in)
5 years	88.9 mm (3.5 in)
10 years	98.5 mm (3.9 in)
25 years	109.7 mm (4.3 in)
50 years	117.5 mm (4.6 in)	Longer than the 32 years of record
100 years	124.8 mm (4.9 in)	Longer than the 32 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, 32 years of values from 1897 to 1928.

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: 119.4 mm (4.7 in) in 1919; 117.1 mm (4.6 in) in 1909; 106.2 mm (4.2 in) in 1924.

Download the Data

Data for North Nicomen standing records by year: CSV or JSON. Field meanings are on the data page.
Data for North Nicomen 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).