Humboldt Weather Records (USC00203991)

Record envelope, standing records and threshold days for Humboldt (USC00203991), Michigan, United States, with 34 years of record.

Key Facts for Humboldt

Humboldt (USC00203991) is a weather station in Michigan, United States at 46.48 latitude and -87.87 longitude, 468 m (1,536 ft) above sea level.
The station reports from 1896 to 1929, 34 years of record.
1,464 records set at Humboldt still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
Humboldt set a daily record high maximum temperature of 33.3 C (91.9 F) on 25 August 1929.

About the Station

Location: Michigan, United States, 46.48 latitude, -87.87 longitude.
Elevation: 468 m (1,536 ft).
Period of record: 1896 to 1929, 34 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 Humboldt. 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 Humboldt, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.9 C (48.0 F)	-44.4 C (-47.9 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-45.0 C (-49.0 F)	n/a	n/a
Mar	20.0 C (68.0 F)	-40.6 C (-41.1 F)	n/a	n/a
Apr	30.0 C (86.0 F)	-34.4 C (-29.9 F)	n/a	n/a
May	33.9 C (93.0 F)	-11.1 C (12.0 F)	n/a	n/a
Jun	36.7 C (98.1 F)	-7.8 C (18.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	-2.2 C (28.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	-4.4 C (24.1 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-8.9 C (16.0 F)	n/a	n/a
Oct	28.3 C (82.9 F)	-19.4 C (-2.9 F)	n/a	n/a
Nov	21.1 C (70.0 F)	-26.7 C (-16.1 F)	n/a	n/a
Dec	11.7 C (53.1 F)	-38.9 C (-38.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Humboldt still stand. 1899 holds the most, with 72.

Standing records at Humboldt by the year they were set
Year set	Standing records
1896	4
1897	69
1898	41
1899	72
1900	65
1901	53
1902	33
1903	33
1904	39
1905	53
1906	51
1907	45
1908	33
1909	35
1910	24
1911	48
1912	41
1913	63
1914	50
1915	44
1916	33
1917	41
1918	63
1919	28
1920	42
1921	48
1922	39
1923	43
1924	46
1925	44
1926	28
1927	41
1928	48
1929	24

Wettest Day of Each Month

Jul: 120.7 mm (4.8 in)

The wettest day on record for each calendar month at Humboldt. The most was 120.7 mm (4.8 in) on 30 July 1923.

Record daily precipitation for each month at Humboldt
Month	Record daily precipitation (mm)	Date
Jan	42.4 mm (1.7 in)	27 January 1899
Feb	25.4 mm (1.0 in)	14 February 1915
Mar	50.8 mm (2.0 in)	26 March 1911
Apr	50.8 mm (2.0 in)	25 April 1914
May	50.8 mm (2.0 in)	10 May 1911
Jun	101.6 mm (4.0 in)	16 June 1909
Jul	120.7 mm (4.8 in)	30 July 1923
Aug	59.2 mm (2.3 in)	28 August 1899
Sep	84.1 mm (3.3 in)	7 September 1899
Oct	45.7 mm (1.8 in)	27 October 1918
Nov	78.7 mm (3.1 in)	27 November 1896
Dec	25.4 mm (1.0 in)	29 December 1903

Period of Record Coverage

1896 to 1929

34 years of record at Humboldt, 1896 to 1929. 7 years have data for under 90 percent of days and are left out of rankings: 1896, 1903, 1904, 1908, 1909, 1910, 1929.

Days with data per year at Humboldt
Year	Days with data	Share of year	Complete
1896	35	10%	No
1897	351	96%	Yes
1898	355	97%	Yes
1899	356	98%	Yes
1900	357	98%	Yes
1901	361	99%	Yes
1902	350	96%	Yes
1903	320	88%	No
1904	306	84%	No
1905	352	96%	Yes
1906	350	96%	Yes
1907	353	97%	Yes
1908	321	88%	No
1909	299	82%	No
1910	243	67%	No
1911	360	99%	Yes
1912	357	98%	Yes
1913	359	98%	Yes
1914	357	98%	Yes
1915	361	99%	Yes
1916	350	96%	Yes
1917	359	98%	Yes
1918	360	99%	Yes
1919	357	98%	Yes
1920	364	99%	Yes
1921	353	97%	Yes
1922	331	91%	Yes
1923	362	99%	Yes
1924	359	98%	Yes
1925	338	93%	Yes
1926	361	99%	Yes
1927	357	98%	Yes
1928	363	99%	Yes
1929	243	67%	No

Latest Records

Latest records at Humboldt
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1929	Humboldt, US	daily high max	33.3 C (91.9 F)	3.3 C (5.9 F)	20 years	17 of 100 (Routine)
19 August 1929	Humboldt, US	daily low min	-1.1 C (30.0 F)	0.5 C (0.9 F)	30 years	12 of 100 (Routine)
7 August 1929	Humboldt, US	daily low min	-1.7 C (28.9 F)	0.6 C (1.1 F)	29 years	12 of 100 (Routine)
27 July 1929	Humboldt, US	daily high max (Tie)	33.3 C (91.9 F)	tie	12 years	1 of 100 (Routine)
17 July 1929	Humboldt, US	daily rain	25.1 mm (1.0 in)	17.5 mm (0.7 in)	7 years	16 of 100 (Routine)
8 July 1929	Humboldt, US	daily rain	25.4 mm (1.0 in)	10.2 mm (0.4 in)	0 years	9 of 100 (Routine)
7 July 1929	Humboldt, US	daily rain	46.2 mm (1.8 in)	9.4 mm (0.37 in)	7 years	11 of 100 (Routine)
3 July 1929	Humboldt, US	daily low min	-0.6 C (30.9 F)	0.6 C (1.1 F)	4 years	5 of 100 (Routine)
18 June 1929	Humboldt, US	daily high min (Tie)	17.8 C (64.0 F)	tie	8 years	1 of 100 (Routine)
13 June 1929	Humboldt, US	daily low max	11.7 C (53.1 F)	6.1 C (11.0 F)	2 years	14 of 100 (Routine)
12 June 1929	Humboldt, US	daily low max	10.0 C (50.0 F)	5.6 C (10.1 F)	14 years	17 of 100 (Routine)
11 June 1929	Humboldt, US	daily high max (Tie)	29.4 C (84.9 F)	tie	10 years	1 of 100 (Routine)
10 June 1929	Humboldt, US	daily rain	39.6 mm (1.6 in)	12.4 mm (0.5 in)	2 years	11 of 100 (Routine)
30 May 1929	Humboldt, US	daily high min	17.2 C (63.0 F)	4.4 C (7.9 F)	28 years	19 of 100 (Routine)
29 May 1929	Humboldt, US	daily high min	14.4 C (57.9 F)	2.2 C (4.0 F)	10 years	10 of 100 (Routine)
28 May 1929	Humboldt, US	daily rain	11.7 mm (0.5 in)	6.6 mm (0.26 in)	4 years	10 of 100 (Routine)
28 May 1929	Humboldt, US	daily high min	16.7 C (62.1 F)	1.1 C (2.0 F)	16 years	9 of 100 (Routine)
24 May 1929	Humboldt, US	daily low min (Tie)	-5.6 C (21.9 F)	tie	4 years	1 of 100 (Routine)
16 May 1929	Humboldt, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	31 years	22 of 100 (Routine)
16 May 1929	Humboldt, US	daily low min	-6.7 C (19.9 F)	1.1 C (2.0 F)	8 years	7 of 100 (Routine)

Climate Trend

19 complete years, 1897 to 1928

One stripe for each of 19 complete years at Humboldt, 1897 to 1928. Blue stripes are years cooler than the station's own mean of 3.2 C (37.7 F); red stripes are warmer. The coolest year was 1907, at 1.4 C (34.5 F), and the warmest was 1921, at 5.4 C (41.7 F). The strongest colour marks a difference of 2.3 C (4.1 F).

Annual mean temperature at Humboldt as warming stripes, 1897 to 1928
Year	Annual mean temperature	Difference from the station mean
1897	2.5 C	-0.66 C
1899	1.8 C	-1.39 C
1900	2.9 C	-0.33 C
1901	2.3 C	-0.87 C
1905	1.8 C	-1.37 C
1906	3.3 C	+0.13 C
1907	1.4 C	-1.78 C
1911	4.9 C	+1.68 C
1912	2.7 C	-0.52 C
1913	4.6 C	+1.39 C
1918	3.5 C	+0.33 C
1919	4.2 C	+0.97 C
1920	3.4 C	+0.25 C
1921	5.4 C	+2.21 C
1923	3.8 C	+0.65 C
1924	2.5 C	-0.65 C
1926	2.4 C	-0.78 C
1927	3.5 C	+0.35 C
1928	3.5 C	+0.32 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

1896 to 1929

Yearly extremes at Humboldt: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	1917	33.3 C (91.9 F)	34
Coldest night (TNn)	-45.0 C (-49.0 F)	1899	-39.1 C (-38.5 F)	34
Wettest day (Rx1day)	120.7 mm (4.8 in)	1923	50.8 mm (2.0 in)	34
Wettest five days (Rx5day)	153.7 mm (6.1 in)	1923	80.7 mm (3.2 in)	34
Longest dry spell (CDD)	52 days	1908	29 days	34

Hottest day (TXx)

The hottest day of the year at Humboldt, 1896 to 1929. The record is 38.9 C (102.0 F) in 1917, marked on the chart; the median year is 33.3 C (91.9 F).

Hottest day (TXx) at Humboldt by year
Year	Hottest day (TXx)
1896	9.4 C (48.9 F)
1897	34.4 C (93.9 F)
1898	33.3 C (91.9 F)
1899	32.2 C (90.0 F)
1900	33.9 C (93.0 F)
1901	36.7 C (98.1 F)
1902	30.6 C (87.1 F)
1903	32.8 C (91.0 F)
1904	32.2 C (90.0 F)
1905	30.0 C (86.0 F)
1906	32.2 C (90.0 F)
1907	30.0 C (86.0 F)
1908	32.2 C (90.0 F)
1909	32.2 C (90.0 F)
1910	35.6 C (96.1 F)
1911	37.8 C (100.0 F)
1912	33.9 C (93.0 F)
1913	36.1 C (97.0 F)
1914	33.3 C (91.9 F)
1915	30.0 C (86.0 F)
1916	36.7 C (98.1 F)
1917	38.9 C (102.0 F)
1918	33.3 C (91.9 F)
1919	33.9 C (93.0 F)
1920	35.0 C (95.0 F)
1921	37.8 C (100.0 F)
1922	32.8 C (91.0 F)
1923	32.8 C (91.0 F)
1924	30.6 C (87.1 F)
1925	33.9 C (93.0 F)
1926	32.2 C (90.0 F)
1927	36.7 C (98.1 F)
1928	32.8 C (91.0 F)
1929	33.3 C (91.9 F)

Coldest night (TNn)

The coldest night of the year at Humboldt, 1896 to 1929. The record is -45.0 C (-49.0 F) in 1899, marked on the chart; the median year is -39.1 C (-38.5 F).

Coldest night (TNn) at Humboldt by year
Year	Coldest night (TNn)
1896	-25.0 C (-13.0 F)
1897	-41.7 C (-43.1 F)
1898	-37.2 C (-35.0 F)
1899	-45.0 C (-49.0 F)
1900	-38.9 C (-38.0 F)
1901	-33.3 C (-27.9 F)
1902	-35.0 C (-31.0 F)
1903	-35.6 C (-32.1 F)
1904	-40.6 C (-41.1 F)
1905	-38.3 C (-36.9 F)
1906	-37.8 C (-36.0 F)
1907	-41.1 C (-42.0 F)
1908	-40.6 C (-41.1 F)
1909	-30.0 C (-22.0 F)
1910	-33.9 C (-29.0 F)
1911	-38.9 C (-38.0 F)
1912	-42.8 C (-45.0 F)
1913	-39.4 C (-38.9 F)
1914	-42.8 C (-45.0 F)
1915	-44.4 C (-47.9 F)
1916	-38.9 C (-38.0 F)
1917	-40.6 C (-41.1 F)
1918	-42.2 C (-44.0 F)
1919	-34.4 C (-29.9 F)
1920	-40.0 C (-40.0 F)
1921	-34.4 C (-29.9 F)
1922	-40.6 C (-41.1 F)
1923	-43.3 C (-45.9 F)
1924	-37.2 C (-35.0 F)
1925	-33.3 C (-27.9 F)
1926	-37.2 C (-35.0 F)
1927	-40.0 C (-40.0 F)
1928	-44.4 C (-47.9 F)
1929	-40.6 C (-41.1 F)

Wettest day (Rx1day)

The wettest day of the year at Humboldt, 1896 to 1929. The record is 120.7 mm (4.8 in) in 1923, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at Humboldt by year
Year	Wettest day (Rx1day)
1896	78.7 mm (3.1 in)
1897	21.8 mm (0.9 in)
1898	53.3 mm (2.1 in)
1899	84.1 mm (3.3 in)
1900	69.9 mm (2.8 in)
1901	54.6 mm (2.1 in)
1902	52.1 mm (2.1 in)
1903	29.2 mm (1.1 in)
1904	20.3 mm (0.8 in)
1905	31.8 mm (1.3 in)
1906	38.1 mm (1.5 in)
1907	38.1 mm (1.5 in)
1908	38.1 mm (1.5 in)
1909	101.6 mm (4.0 in)
1910	25.4 mm (1.0 in)
1911	50.8 mm (2.0 in)
1912	25.4 mm (1.0 in)
1913	50.8 mm (2.0 in)
1914	50.8 mm (2.0 in)
1915	57.9 mm (2.3 in)
1916	53.1 mm (2.1 in)
1917	30.5 mm (1.2 in)
1918	45.7 mm (1.8 in)
1919	66.0 mm (2.6 in)
1920	57.2 mm (2.3 in)
1921	75.7 mm (3.0 in)
1922	66.0 mm (2.6 in)
1923	120.7 mm (4.8 in)
1924	34.0 mm (1.3 in)
1925	42.7 mm (1.7 in)
1926	42.7 mm (1.7 in)
1927	54.9 mm (2.2 in)
1928	48.8 mm (1.9 in)
1929	46.2 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Humboldt, 1896 to 1929. The record is 153.7 mm (6.1 in) in 1923, marked on the chart; the median year is 80.7 mm (3.2 in).

Wettest five days (Rx5day) at Humboldt by year
Year	Wettest five days (Rx5day)
1896	21.1 mm (0.8 in)
1897	56.9 mm (2.2 in)
1898	79.7 mm (3.1 in)
1899	94.3 mm (3.7 in)
1900	87.6 mm (3.4 in)
1901	101.8 mm (4.0 in)
1902	97.1 mm (3.8 in)
1903	29.2 mm (1.1 in)
1904	27.9 mm (1.1 in)
1905	59.7 mm (2.4 in)
1906	64.8 mm (2.6 in)
1907	50.8 mm (2.0 in)
1908	94.5 mm (3.7 in)
1909	101.6 mm (4.0 in)
1910	38.1 mm (1.5 in)
1911	82.8 mm (3.3 in)
1912	61.0 mm (2.4 in)
1913	76.2 mm (3.0 in)
1914	87.3 mm (3.4 in)
1915	83.8 mm (3.3 in)
1916	105.9 mm (4.2 in)
1917	38.6 mm (1.5 in)
1918	50.8 mm (2.0 in)
1919	66.0 mm (2.6 in)
1920	59.7 mm (2.4 in)
1921	90.2 mm (3.6 in)
1922	111.0 mm (4.4 in)
1923	153.7 mm (6.1 in)
1924	45.7 mm (1.8 in)
1925	56.7 mm (2.2 in)
1926	86.8 mm (3.4 in)
1927	81.6 mm (3.2 in)
1928	87.7 mm (3.5 in)
1929	89.4 mm (3.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Humboldt, 1896 to 1929. The record is 52 days in 1908, marked on the chart; the median year is 29 days.

Longest dry spell (CDD) at Humboldt by year
Year	Longest dry spell (CDD)
1896	11 days
1897	32 days
1898	25 days
1899	29 days
1900	35 days
1901	21 days
1902	46 days
1903	28 days
1904	27 days
1905	41 days
1906	31 days
1907	30 days
1908	52 days
1909	46 days
1910	39 days
1911	22 days
1912	47 days
1913	23 days
1914	22 days
1915	22 days
1916	38 days
1917	25 days
1918	37 days
1919	29 days
1920	27 days
1921	37 days
1922	30 days
1923	18 days
1924	27 days
1925	47 days
1926	17 days
1927	26 days
1928	16 days
1929	31 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 Humboldt standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Humboldt 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).