Blackduck Weather Records (USC00210809)

Record envelope, standing records and threshold days for Blackduck (USC00210809), Minnesota, United States, with 31 years of record.

Key Facts for Blackduck

Blackduck (USC00210809) is a weather station in Minnesota, United States at 47.67 latitude and -94.52 longitude, 408 m (1,340 ft) above sea level.
The station reports from 1989 to 2019, 31 years of record.
1,464 records set at Blackduck still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Minnesota, United States, 47.67 latitude, -94.52 longitude.
Elevation: 408 m (1,340 ft).
Period of record: 1989 to 2019, 31 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 Blackduck. 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 Blackduck, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.1 C (52.0 F)	-42.8 C (-45.0 F)	n/a	n/a
Feb	16.7 C (62.1 F)	-42.2 C (-44.0 F)	n/a	n/a
Mar	21.7 C (71.1 F)	-37.2 C (-35.0 F)	n/a	n/a
Apr	31.1 C (88.0 F)	-28.9 C (-20.0 F)	n/a	n/a
May	32.2 C (90.0 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	35.0 C (95.0 F)	2.8 C (37.0 F)	n/a	n/a
Aug	34.4 C (93.9 F)	-2.8 C (27.0 F)	n/a	n/a
Sep	31.7 C (89.1 F)	-8.9 C (16.0 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-13.9 C (7.0 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-33.3 C (-27.9 F)	n/a	n/a
Dec	10.6 C (51.1 F)	-38.9 C (-38.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Blackduck still stand. 1991 holds the most, with 99.

Standing records at Blackduck by the year they were set
Year set	Standing records
1989	17
1990	64
1991	99
1992	71
1993	44
1994	63
1995	10
2000	60
2001	49
2002	70
2003	46
2004	57
2005	67
2006	61
2007	59
2008	41
2009	53
2010	44
2011	44
2012	47
2013	61
2014	58
2015	54
2016	50
2017	52
2018	64
2019	59

Wettest Day of Each Month

Jun: 127.0 mm (5.0 in)

The wettest day on record for each calendar month at Blackduck. The most was 127.0 mm (5.0 in) on 1 June 2014.

Record daily precipitation for each month at Blackduck
Month	Record daily precipitation (mm)	Date
Jan	12.7 mm (0.5 in)	26 January 2010
Feb	45.7 mm (1.8 in)	18 February 2004
Mar	35.6 mm (1.4 in)	5 March 2004
Apr	45.7 mm (1.8 in)	30 April 1991
May	81.3 mm (3.2 in)	12 May 2004
Jun	127.0 mm (5.0 in)	1 June 2014
Jul	70.9 mm (2.8 in)	20 July 2011
Aug	99.1 mm (3.9 in)	2 August 2010
Sep	82.6 mm (3.3 in)	24 September 2010
Oct	77.5 mm (3.1 in)	27 October 2010
Nov	44.2 mm (1.7 in)	6 November 2008
Dec	25.4 mm (1.0 in)	29 December 2006

Period of Record Coverage

1989 to 2019

27 years of record at Blackduck, 1989 to 2019. 9 years have data for under 90 percent of days and are left out of rankings: 1989, 1990, 1992, 1993, 1995, 2000, 2003, 2013 and others.

Days with data per year at Blackduck
Year	Days with data	Share of year	Complete
1989	58	16%	No
1990	311	85%	No
1991	348	95%	Yes
1992	284	78%	No
1993	260	71%	No
1994	336	92%	Yes
1995	145	40%	No
2000	313	86%	No
2001	339	93%	Yes
2002	333	91%	Yes
2003	325	89%	No
2004	345	94%	Yes
2005	343	94%	Yes
2006	344	94%	Yes
2007	345	95%	Yes
2008	348	95%	Yes
2009	348	95%	Yes
2010	341	93%	Yes
2011	339	93%	Yes
2012	349	95%	Yes
2013	324	89%	No
2014	351	96%	Yes
2015	348	95%	Yes
2016	345	94%	Yes
2017	336	92%	Yes
2018	327	90%	No
2019	335	92%	Yes

Latest Records

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

Climate Trend

16 complete years, 1991 to 2019

One stripe for each of 16 complete years at Blackduck, 1991 to 2019. Blue stripes are years cooler than the station's own mean of 3.7 C (38.7 F); red stripes are warmer. The coolest year was 2019, at 1.3 C (34.3 F), and the warmest was 2006, at 5.6 C (42.0 F). The strongest colour marks a difference of 2.5 C (4.5 F).

Annual mean temperature at Blackduck as warming stripes, 1991 to 2019
Year	Annual mean temperature	Difference from the station mean
1991	4.0 C	+0.25 C
1994	3.9 C	+0.12 C
2001	4.8 C	+1.07 C
2005	5.1 C	+1.32 C
2006	5.6 C	+1.82 C
2007	4.2 C	+0.42 C
2008	2.5 C	-1.24 C
2009	2.7 C	-1.06 C
2011	4.0 C	+0.30 C
2012	5.4 C	+1.67 C
2014	1.5 C	-2.21 C
2015	4.5 C	+0.75 C
2016	5.3 C	+1.51 C
2017	3.1 C	-0.65 C
2018	2.2 C	-1.53 C
2019	1.3 C	-2.49 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

1989 to 2019

Yearly extremes at Blackduck: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	2012	32.2 C (90.0 F)	27
Coldest night (TNn)	-42.8 C (-45.0 F)	2019	-37.2 C (-35.0 F)	27
Wettest day (Rx1day)	127.0 mm (5.0 in)	2014	48.8 mm (1.9 in)	27
Wettest five days (Rx5day)	156.5 mm (6.2 in)	2014	71.2 mm (2.8 in)	26
Longest dry spell (CDD)	37 days	1993	19 days	27

Hottest day (TXx)

The hottest day of the year at Blackduck, 1989 to 2019. The record is 35.0 C (95.0 F) in 2012, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Blackduck by year
Year	Hottest day (TXx)
1989	9.4 C (48.9 F)
1990	33.3 C (91.9 F)
1991	32.2 C (90.0 F)
1992	28.9 C (84.0 F)
1993	30.6 C (87.1 F)
1994	31.7 C (89.1 F)
1995	27.8 C (82.0 F)
2000	30.6 C (87.1 F)
2001	34.4 C (93.9 F)
2002	32.8 C (91.0 F)
2003	33.3 C (91.9 F)
2004	31.7 C (89.1 F)
2005	32.8 C (91.0 F)
2006	33.9 C (93.0 F)
2007	32.8 C (91.0 F)
2008	30.6 C (87.1 F)
2009	32.2 C (90.0 F)
2010	33.3 C (91.9 F)
2011	34.4 C (93.9 F)
2012	35.0 C (95.0 F)
2013	33.9 C (93.0 F)
2014	30.0 C (86.0 F)
2015	33.9 C (93.0 F)
2016	32.2 C (90.0 F)
2017	31.7 C (89.1 F)
2018	31.7 C (89.1 F)
2019	31.1 C (88.0 F)

Coldest night (TNn)

The coldest night of the year at Blackduck, 1989 to 2019. The record is -42.8 C (-45.0 F) in 2019, marked on the chart; the median year is -37.2 C (-35.0 F).

Coldest night (TNn) at Blackduck by year
Year	Coldest night (TNn)
1989	-34.4 C (-29.9 F)
1990	-37.2 C (-35.0 F)
1991	-35.0 C (-31.0 F)
1992	-33.3 C (-27.9 F)
1993	-35.6 C (-32.1 F)
1994	-37.8 C (-36.0 F)
1995	-32.2 C (-26.0 F)
2000	-37.2 C (-35.0 F)
2001	-36.7 C (-34.1 F)
2002	-28.3 C (-18.9 F)
2003	-35.0 C (-31.0 F)
2004	-40.0 C (-40.0 F)
2005	-42.2 C (-44.0 F)
2006	-32.2 C (-26.0 F)
2007	-36.1 C (-33.0 F)
2008	-37.2 C (-35.0 F)
2009	-40.0 C (-40.0 F)
2010	-37.8 C (-36.0 F)
2011	-40.0 C (-40.0 F)
2012	-30.0 C (-22.0 F)
2013	-38.3 C (-36.9 F)
2014	-38.3 C (-36.9 F)
2015	-36.7 C (-34.1 F)
2016	-36.1 C (-33.0 F)
2017	-40.0 C (-40.0 F)
2018	-37.2 C (-35.0 F)
2019	-42.8 C (-45.0 F)

Wettest day (Rx1day)

The wettest day of the year at Blackduck, 1989 to 2019. The record is 127.0 mm (5.0 in) in 2014, marked on the chart; the median year is 48.8 mm (1.9 in).

Wettest day (Rx1day) at Blackduck by year
Year	Wettest day (Rx1day)
1989	5.1 mm (0.20 in)
1990	40.1 mm (1.6 in)
1991	91.7 mm (3.6 in)
1992	45.2 mm (1.8 in)
1993	48.8 mm (1.9 in)
1994	77.2 mm (3.0 in)
1995	14.5 mm (0.6 in)
2000	49.3 mm (1.9 in)
2001	38.9 mm (1.5 in)
2002	72.9 mm (2.9 in)
2003	63.2 mm (2.5 in)
2004	81.3 mm (3.2 in)
2005	58.9 mm (2.3 in)
2006	38.1 mm (1.5 in)
2007	45.7 mm (1.8 in)
2008	55.9 mm (2.2 in)
2009	38.1 mm (1.5 in)
2010	99.1 mm (3.9 in)
2011	70.9 mm (2.8 in)
2012	34.5 mm (1.4 in)
2013	43.4 mm (1.7 in)
2014	127.0 mm (5.0 in)
2015	36.1 mm (1.4 in)
2016	38.9 mm (1.5 in)
2017	22.1 mm (0.9 in)
2018	75.9 mm (3.0 in)
2019	61.0 mm (2.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Blackduck, 1989 to 2019. The record is 156.5 mm (6.2 in) in 2014, marked on the chart; the median year is 71.2 mm (2.8 in).

Wettest five days (Rx5day) at Blackduck by year
Year	Wettest five days (Rx5day)
1989	6.8 mm (0.27 in)
1990	53.2 mm (2.1 in)
1991	138.9 mm (5.5 in)
1992	84.2 mm (3.3 in)
1993	56.4 mm (2.2 in)
1994	92.2 mm (3.6 in)
1995	29.7 mm (1.2 in)
2000	76.5 mm (3.0 in)
2001	81.5 mm (3.2 in)
2002	91.0 mm (3.6 in)
2003	74.1 mm (2.9 in)
2004	85.1 mm (3.4 in)
2005	92.9 mm (3.7 in)
2006	59.3 mm (2.3 in)
2007	69.1 mm (2.7 in)
2008	67.7 mm (2.7 in)
2009	47.8 mm (1.9 in)
2010	99.1 mm (3.9 in)
2011	n/a
2012	33.5 mm (1.3 in)
2013	63.9 mm (2.5 in)
2014	156.5 mm (6.2 in)
2015	73.2 mm (2.9 in)
2016	80.8 mm (3.2 in)
2017	29.9 mm (1.2 in)
2018	0.0 mm (0.00 in)
2019	61.0 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Blackduck, 1989 to 2019. The record is 37 days in 1993, marked on the chart; the median year is 19 days.

Longest dry spell (CDD) at Blackduck by year
Year	Longest dry spell (CDD)
1989	18 days
1990	24 days
1991	21 days
1992	25 days
1993	37 days
1994	23 days
1995	19 days
2000	15 days
2001	16 days
2002	13 days
2003	13 days
2004	19 days
2005	13 days
2006	27 days
2007	28 days
2008	17 days
2009	30 days
2010	32 days
2011	2 days
2012	13 days
2013	13 days
2014	23 days
2015	17 days
2016	35 days
2017	22 days
2018	16 days
2019	14 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 Blackduck standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Blackduck 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).