Deep Portage Weather Records (USC00212050)

Record envelope, standing records and threshold days for Deep Portage (USC00212050), Minnesota, United States, with 30 years of record.

Key Facts for Deep Portage

Deep Portage (USC00212050) is a weather station in Minnesota, United States at 46.90 latitude and -94.39 longitude, 448 m (1,471 ft) above sea level.
The station reports from 1982 to 2011, 30 years of record.
1,464 records set at Deep Portage 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, 46.90 latitude, -94.39 longitude.
Elevation: 448 m (1,471 ft).
Period of record: 1982 to 2011, 30 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 Deep Portage. 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 Deep Portage, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.6 C (51.1 F)	-41.1 C (-42.0 F)	n/a	n/a
Feb	13.3 C (55.9 F)	-43.9 C (-47.0 F)	n/a	n/a
Mar	23.9 C (75.0 F)	-34.4 C (-29.9 F)	n/a	n/a
Apr	31.7 C (89.1 F)	-15.0 C (5.0 F)	n/a	n/a
May	33.9 C (93.0 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	37.8 C (100.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jul	38.9 C (102.0 F)	4.4 C (39.9 F)	n/a	n/a
Aug	36.7 C (98.1 F)	0.0 C (32.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	-2.8 C (27.0 F)	n/a	n/a
Oct	28.9 C (84.0 F)	-11.7 C (10.9 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-30.6 C (-23.1 F)	n/a	n/a
Dec	11.1 C (52.0 F)	-37.2 C (-35.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Deep Portage still stand. 1991 holds the most, with 93.

Standing records at Deep Portage by the year they were set
Year set	Standing records
1982	7
1983	50
1984	39
1985	75
1986	51
1987	57
1988	67
1989	64
1990	61
1991	93
1992	63
1993	64
1994	43
1995	40
1996	59
1997	46
1998	38
1999	22
2000	39
2001	35
2002	36
2003	34
2004	34
2005	44
2006	66
2007	62
2008	34
2009	50
2010	63
2011	28

Wettest Day of Each Month

Jul: 111.8 mm (4.4 in)

The wettest day on record for each calendar month at Deep Portage. The most was 111.8 mm (4.4 in) on 18 July 1985.

Record daily precipitation for each month at Deep Portage
Month	Record daily precipitation (mm)	Date
Jan	35.6 mm (1.4 in)	5 January 1997
Feb	23.9 mm (0.9 in)	25 February 2007
Mar	69.3 mm (2.7 in)	12 March 1990
Apr	68.6 mm (2.7 in)	15 April 1996
May	66.8 mm (2.6 in)	12 May 1985
Jun	81.5 mm (3.2 in)	14 June 1983
Jul	111.8 mm (4.4 in)	18 July 1985
Aug	76.7 mm (3.0 in)	25 August 1995
Sep	66.0 mm (2.6 in)	4 September 1989
Oct	68.6 mm (2.7 in)	1 October 1995
Nov	53.3 mm (2.1 in)	16 November 1987
Dec	23.6 mm (0.9 in)	1 December 2007

Period of Record Coverage

1982 to 2011

30 years of record at Deep Portage, 1982 to 2011. 22 years have data for under 90 percent of days and are left out of rankings: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 and others.

Days with data per year at Deep Portage
Year	Days with data	Share of year	Complete
1982	39	11%	No
1983	303	83%	No
1984	222	61%	No
1985	312	85%	No
1986	299	82%	No
1987	301	82%	No
1988	316	86%	No
1989	256	70%	No
1990	340	93%	Yes
1991	352	96%	Yes
1992	340	93%	Yes
1993	328	90%	No
1994	337	92%	Yes
1995	318	87%	No
1996	311	85%	No
1997	295	81%	No
1998	293	80%	No
1999	240	66%	No
2000	235	64%	No
2001	253	69%	No
2002	204	56%	No
2003	210	58%	No
2004	243	66%	No
2005	225	62%	No
2006	303	83%	No
2007	330	90%	Yes
2008	355	97%	Yes
2009	362	99%	Yes
2010	365	100%	Yes
2011	212	58%	No

Latest Records

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

Climate Trend

12 complete years, 1983 to 2010

One stripe for each of 12 complete years at Deep Portage, 1983 to 2010. Blue stripes are years cooler than the station's own mean of 4.5 C (40.0 F); red stripes are warmer. The coolest year was 1985, at 2.8 C (37.0 F), and the warmest was 1987, at 6.6 C (43.9 F). The strongest colour marks a difference of 2.2 C (4.0 F).

Annual mean temperature at Deep Portage as warming stripes, 1983 to 2010
Year	Annual mean temperature	Difference from the station mean
1983	5.1 C	+0.59 C
1985	2.8 C	-1.69 C
1987	6.6 C	+2.16 C
1988	4.0 C	-0.48 C
1990	4.8 C	+0.28 C
1991	4.6 C	+0.08 C
1992	4.2 C	-0.32 C
1993	2.8 C	-1.68 C
1994	4.1 C	-0.34 C
2008	3.9 C	-0.53 C
2009	4.5 C	+0.04 C
2010	6.3 C	+1.85 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

1982 to 2011

Yearly extremes at Deep Portage: 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)	1988	33.6 C (92.5 F)	30
Coldest night (TNn)	-43.9 C (-47.0 F)	1996	-35.0 C (-31.0 F)	30
Wettest day (Rx1day)	111.8 mm (4.4 in)	1985	46.8 mm (1.8 in)	30
Wettest five days (Rx5day)	155.1 mm (6.1 in)	2002	72.7 mm (2.9 in)	30
Longest dry spell (CDD)	56 days	1999	23 days	30

Hottest day (TXx)

The hottest day of the year at Deep Portage, 1982 to 2011. The record is 38.9 C (102.0 F) in 1988, marked on the chart; the median year is 33.6 C (92.5 F).

Hottest day (TXx) at Deep Portage by year
Year	Hottest day (TXx)
1982	12.2 C (54.0 F)
1983	35.6 C (96.1 F)
1984	33.3 C (91.9 F)
1985	33.9 C (93.0 F)
1986	32.2 C (90.0 F)
1987	37.8 C (100.0 F)
1988	38.9 C (102.0 F)
1989	33.9 C (93.0 F)
1990	35.0 C (95.0 F)
1991	34.4 C (93.9 F)
1992	31.1 C (88.0 F)
1993	31.7 C (89.1 F)
1994	31.7 C (89.1 F)
1995	34.4 C (93.9 F)
1996	33.3 C (91.9 F)
1997	32.2 C (90.0 F)
1998	32.8 C (91.0 F)
1999	33.9 C (93.0 F)
2000	32.2 C (90.0 F)
2001	34.4 C (93.9 F)
2002	35.0 C (95.0 F)
2003	33.3 C (91.9 F)
2004	33.3 C (91.9 F)
2005	35.0 C (95.0 F)
2006	37.8 C (100.0 F)
2007	34.4 C (93.9 F)
2008	31.7 C (89.1 F)
2009	32.2 C (90.0 F)
2010	33.3 C (91.9 F)
2011	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Deep Portage, 1982 to 2011. The record is -43.9 C (-47.0 F) in 1996, marked on the chart; the median year is -35.0 C (-31.0 F).

Coldest night (TNn) at Deep Portage by year
Year	Coldest night (TNn)
1982	-23.3 C (-9.9 F)
1983	-37.2 C (-35.0 F)
1984	-35.0 C (-31.0 F)
1985	-37.2 C (-35.0 F)
1986	-35.0 C (-31.0 F)
1987	-36.1 C (-33.0 F)
1988	-40.0 C (-40.0 F)
1989	-37.8 C (-36.0 F)
1990	-36.1 C (-33.0 F)
1991	-32.2 C (-26.0 F)
1992	-33.9 C (-29.0 F)
1993	-40.0 C (-40.0 F)
1994	-38.3 C (-36.9 F)
1995	-35.6 C (-32.1 F)
1996	-43.9 C (-47.0 F)
1997	-39.4 C (-38.9 F)
1998	-31.1 C (-24.0 F)
1999	-27.8 C (-18.0 F)
2000	-31.1 C (-24.0 F)
2001	-31.7 C (-25.1 F)
2002	-26.1 C (-15.0 F)
2003	-30.6 C (-23.1 F)
2004	-36.7 C (-34.1 F)
2005	-39.4 C (-38.9 F)
2006	-30.0 C (-22.0 F)
2007	-35.0 C (-31.0 F)
2008	-32.2 C (-26.0 F)
2009	-34.4 C (-29.9 F)
2010	-35.0 C (-31.0 F)
2011	-37.2 C (-35.0 F)

Wettest day (Rx1day)

The wettest day of the year at Deep Portage, 1982 to 2011. The record is 111.8 mm (4.4 in) in 1985, marked on the chart; the median year is 46.8 mm (1.8 in).

Wettest day (Rx1day) at Deep Portage by year
Year	Wettest day (Rx1day)
1982	14.7 mm (0.6 in)
1983	81.5 mm (3.2 in)
1984	38.4 mm (1.5 in)
1985	111.8 mm (4.4 in)
1986	46.5 mm (1.8 in)
1987	53.3 mm (2.1 in)
1988	33.5 mm (1.3 in)
1989	66.0 mm (2.6 in)
1990	69.3 mm (2.7 in)
1991	38.1 mm (1.5 in)
1992	47.0 mm (1.9 in)
1993	43.2 mm (1.7 in)
1994	42.7 mm (1.7 in)
1995	76.7 mm (3.0 in)
1996	68.6 mm (2.7 in)
1997	38.1 mm (1.5 in)
1998	68.6 mm (2.7 in)
1999	66.5 mm (2.6 in)
2000	27.7 mm (1.1 in)
2001	63.8 mm (2.5 in)
2002	77.0 mm (3.0 in)
2003	30.5 mm (1.2 in)
2004	43.2 mm (1.7 in)
2005	63.5 mm (2.5 in)
2006	61.7 mm (2.4 in)
2007	40.4 mm (1.6 in)
2008	55.9 mm (2.2 in)
2009	44.5 mm (1.8 in)
2010	43.7 mm (1.7 in)
2011	31.5 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Deep Portage, 1982 to 2011. The record is 155.1 mm (6.1 in) in 2002, marked on the chart; the median year is 72.7 mm (2.9 in).

Wettest five days (Rx5day) at Deep Portage by year
Year	Wettest five days (Rx5day)
1982	24.1 mm (0.9 in)
1983	114.8 mm (4.5 in)
1984	127.3 mm (5.0 in)
1985	143.8 mm (5.7 in)
1986	71.4 mm (2.8 in)
1987	109.5 mm (4.3 in)
1988	55.7 mm (2.2 in)
1989	66.3 mm (2.6 in)
1990	68.6 mm (2.7 in)
1991	59.2 mm (2.3 in)
1992	113.6 mm (4.5 in)
1993	49.8 mm (2.0 in)
1994	91.7 mm (3.6 in)
1995	123.7 mm (4.9 in)
1996	91.5 mm (3.6 in)
1997	74.4 mm (2.9 in)
1998	76.4 mm (3.0 in)
1999	119.1 mm (4.7 in)
2000	45.2 mm (1.8 in)
2001	73.9 mm (2.9 in)
2002	155.1 mm (6.1 in)
2003	50.1 mm (2.0 in)
2004	57.2 mm (2.3 in)
2005	63.5 mm (2.5 in)
2006	81.5 mm (3.2 in)
2007	47.3 mm (1.9 in)
2008	58.4 mm (2.3 in)
2009	45.8 mm (1.8 in)
2010	107.0 mm (4.2 in)
2011	51.9 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Deep Portage, 1982 to 2011. The record is 56 days in 1999, marked on the chart; the median year is 23 days.

Longest dry spell (CDD) at Deep Portage by year
Year	Longest dry spell (CDD)
1982	8 days
1983	21 days
1984	22 days
1985	14 days
1986	28 days
1987	36 days
1988	29 days
1989	26 days
1990	29 days
1991	17 days
1992	19 days
1993	14 days
1994	21 days
1995	18 days
1996	14 days
1997	22 days
1998	32 days
1999	56 days
2000	21 days
2001	23 days
2002	31 days
2003	33 days
2004	19 days
2005	27 days
2006	40 days
2007	55 days
2008	31 days
2009	27 days
2010	22 days
2011	21 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 Deep Portage standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Deep Portage 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).