Bedford Weather Records (USC00190538)

Record envelope, standing records and threshold days for Bedford (USC00190538), Massachusetts, United States, with 31 years of record.

Key Facts for Bedford

Bedford (USC00190538) is a weather station in Massachusetts, United States at 42.47 latitude and -71.25 longitude, 49 m (160 ft) above sea level.
The station reports from 1893 to 1923, 31 years of record.
1,464 records set at Bedford still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Bedford tied a daily record high minimum temperature of 19.4 C (66.9 F) on 29 August 1923.

About the Station

Location: Massachusetts, United States, 42.47 latitude, -71.25 longitude.
Elevation: 49 m (160 ft).
Period of record: 1893 to 1923, 31 years.
Eligible elements: tmax, tmin, prcp.

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 Bedford. 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 Bedford, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	18.9 C (66.0 F)	-27.2 C (-17.0 F)	n/a	n/a
Feb	15.6 C (60.1 F)	-27.8 C (-18.0 F)	n/a	n/a
Mar	27.8 C (82.0 F)	-19.4 C (-2.9 F)	n/a	n/a
Apr	31.7 C (89.1 F)	-12.2 C (10.0 F)	n/a	n/a
May	33.3 C (91.9 F)	-3.9 C (25.0 F)	n/a	n/a
Jun	34.4 C (93.9 F)	1.1 C (34.0 F)	n/a	n/a
Jul	36.7 C (98.1 F)	7.2 C (45.0 F)	n/a	n/a
Aug	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-2.2 C (28.0 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-16.1 C (3.0 F)	n/a	n/a
Dec	18.3 C (64.9 F)	-26.7 C (-16.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Bedford still stand. 1895 holds the most, with 65.

Standing records at Bedford by the year they were set
Year set	Standing records
1893	43
1894	62
1895	65
1896	64
1897	41
1898	53
1899	51
1900	64
1901	30
1902	39
1903	65
1904	48
1905	40
1906	50
1907	42
1908	48
1909	38
1910	30
1911	53
1912	50
1913	47
1914	62
1915	35
1916	58
1917	43
1918	51
1919	39
1920	32
1921	45
1922	34
1923	42

Wettest Day of Each Month

Jul: 128.5 mm (5.1 in)

The wettest day on record for each calendar month at Bedford. The most was 128.5 mm (5.1 in) on 31 July 1906.

Record daily precipitation for each month at Bedford
Month	Record daily precipitation (mm)	Date
Jan	45.0 mm (1.8 in)	9 January 1923
Feb	55.4 mm (2.2 in)	22 February 1900
Mar	66.5 mm (2.6 in)	11 March 1901
Apr	55.1 mm (2.2 in)	14 April 1895
May	57.2 mm (2.3 in)	28 May 1906
Jun	92.5 mm (3.6 in)	19 June 1922
Jul	128.5 mm (5.1 in)	31 July 1906
Aug	80.3 mm (3.2 in)	19 August 1898
Sep	114.8 mm (4.5 in)	3 September 1905
Oct	57.9 mm (2.3 in)	13 October 1895
Nov	47.0 mm (1.9 in)	12 November 1897
Dec	94.7 mm (3.7 in)	31 December 1907

Period of Record Coverage

1893 to 1923

31 years of record at Bedford, 1893 to 1923. 5 years have data for under 90 percent of days and are left out of rankings: 1893, 1898, 1901, 1905, 1923.

Days with data per year at Bedford
Year	Days with data	Share of year	Complete
1893	271	74%	No
1894	360	99%	Yes
1895	362	99%	Yes
1896	365	100%	Yes
1897	359	98%	Yes
1898	326	89%	No
1899	354	97%	Yes
1900	358	98%	Yes
1901	248	68%	No
1902	344	94%	Yes
1903	353	97%	Yes
1904	357	98%	Yes
1905	326	89%	No
1906	359	98%	Yes
1907	361	99%	Yes
1908	359	98%	Yes
1909	364	100%	Yes
1910	364	100%	Yes
1911	364	100%	Yes
1912	363	99%	Yes
1913	353	97%	Yes
1914	362	99%	Yes
1915	365	100%	Yes
1916	363	99%	Yes
1917	361	99%	Yes
1918	364	100%	Yes
1919	363	99%	Yes
1920	362	99%	Yes
1921	364	100%	Yes
1922	331	91%	Yes
1923	269	74%	No

Latest Records

Latest records at Bedford
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 August 1923	Bedford, US	daily high min (Tie)	19.4 C (66.9 F)	tie	29 years	2 of 100 (Routine)
24 August 1923	Bedford, US	daily low min	5.6 C (42.1 F)	2.7 C (4.9 F)	18 years	15 of 100 (Routine)
23 August 1923	Bedford, US	daily low min	7.2 C (45.0 F)	1.1 C (2.0 F)	1 year	6 of 100 (Routine)
18 August 1923	Bedford, US	daily low min	6.7 C (44.1 F)	1.1 C (2.0 F)	4 years	7 of 100 (Routine)
17 August 1923	Bedford, US	monthly low min	0.6 C (33.1 F)	2.7 C (4.9 F)	20 years	26 of 100 (Routine)
6 August 1923	Bedford, US	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	22 years	12 of 100 (Routine)
5 August 1923	Bedford, US	daily high max	32.2 C (90.0 F)	2.8 C (5.0 F)	26 years	19 of 100 (Routine)
5 August 1923	Bedford, US	daily high min (Tie)	20.6 C (69.1 F)	tie	16 years	2 of 100 (Routine)
4 August 1923	Bedford, US	daily high max	33.3 C (91.9 F)	3.3 C (5.9 F)	26 years	20 of 100 (Routine)
3 August 1923	Bedford, US	daily high max	31.1 C (88.0 F)	2.8 C (5.0 F)	29 years	19 of 100 (Routine)
24 July 1923	Bedford, US	monthly low min (Tie)	7.2 C (45.0 F)	tie	21 years	4 of 100 (Routine)
21 July 1923	Bedford, US	daily high max (Tie)	32.2 C (90.0 F)	tie	24 years	2 of 100 (Routine)
26 June 1923	Bedford, US	daily high max	31.1 C (88.0 F)	0.5 C (0.9 F)	28 years	12 of 100 (Routine)
25 June 1923	Bedford, US	daily high max (Tie)	32.2 C (90.0 F)	tie	8 years	1 of 100 (Routine)
21 June 1923	Bedford, US	daily high min	21.7 C (71.1 F)	2.8 C (5.0 F)	26 years	18 of 100 (Routine)
21 June 1923	Bedford, US	daily high max	33.3 C (91.9 F)	1.6 C (2.9 F)	29 years	14 of 100 (Routine)
20 June 1923	Bedford, US	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	29 years	12 of 100 (Routine)
20 June 1923	Bedford, US	daily high min (Tie)	20.0 C (68.0 F)	tie	28 years	2 of 100 (Routine)
19 June 1923	Bedford, US	daily high max	33.3 C (91.9 F)	3.9 C (7.0 F)	28 years	19 of 100 (Routine)
19 June 1923	Bedford, US	daily high min (Tie)	18.3 C (64.9 F)	tie	28 years	2 of 100 (Routine)

Climate Trend

24 complete years, 1894 to 1921

One stripe for each of 24 complete years at Bedford, 1894 to 1921. Blue stripes are years cooler than the station's own mean of 8.5 C (47.3 F); red stripes are warmer. The coolest year was 1904, at 6.8 C (44.2 F), and the warmest was 1921, at 9.9 C (49.8 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Bedford as warming stripes, 1894 to 1921
Year	Annual mean temperature	Difference from the station mean
1894	8.9 C	+0.34 C
1895	8.3 C	-0.19 C
1896	8.3 C	-0.19 C
1897	8.4 C	-0.12 C
1899	8.8 C	+0.25 C
1900	9.1 C	+0.57 C
1902	8.4 C	-0.13 C
1903	8.4 C	-0.12 C
1904	6.8 C	-1.77 C
1906	8.7 C	+0.17 C
1907	7.6 C	-0.89 C
1908	9.0 C	+0.47 C
1909	8.4 C	-0.12 C
1910	8.5 C	-0.02 C
1911	8.8 C	+0.30 C
1912	8.4 C	-0.10 C
1914	8.2 C	-0.28 C
1915	9.2 C	+0.72 C
1916	8.4 C	-0.09 C
1917	7.4 C	-1.12 C
1918	8.6 C	+0.04 C
1919	9.3 C	+0.74 C
1920	8.6 C	+0.06 C
1921	9.9 C	+1.39 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

1893 to 1923

Yearly extremes at Bedford: 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)	1911	32.8 C (91.0 F)	31
Coldest night (TNn)	-27.8 C (-18.0 F)	1907	-22.8 C (-9.0 F)	31
Wettest day (Rx1day)	128.5 mm (5.1 in)	1906	58.4 mm (2.3 in)	31
Wettest five days (Rx5day)	222.0 mm (8.7 in)	1905	76.5 mm (3.0 in)	31
Longest dry spell (CDD)	36 days	1915	16 days	31

Hottest day (TXx)

The hottest day of the year at Bedford, 1893 to 1923. The record is 36.7 C (98.1 F) in 1911, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Bedford by year
Year	Hottest day (TXx)
1893	32.8 C (91.0 F)
1894	35.6 C (96.1 F)
1895	32.8 C (91.0 F)
1896	33.3 C (91.9 F)
1897	32.8 C (91.0 F)
1898	35.0 C (95.0 F)
1899	32.8 C (91.0 F)
1900	34.4 C (93.9 F)
1901	33.3 C (91.9 F)
1902	31.1 C (88.0 F)
1903	31.7 C (89.1 F)
1904	30.0 C (86.0 F)
1905	31.1 C (88.0 F)
1906	30.6 C (87.1 F)
1907	31.7 C (89.1 F)
1908	34.4 C (93.9 F)
1909	31.7 C (89.1 F)
1910	33.3 C (91.9 F)
1911	36.7 C (98.1 F)
1912	34.4 C (93.9 F)
1913	35.0 C (95.0 F)
1914	32.2 C (90.0 F)
1915	31.7 C (89.1 F)
1916	32.2 C (90.0 F)
1917	35.0 C (95.0 F)
1918	32.8 C (91.0 F)
1919	35.0 C (95.0 F)
1920	30.6 C (87.1 F)
1921	32.8 C (91.0 F)
1922	32.8 C (91.0 F)
1923	33.3 C (91.9 F)

Coldest night (TNn)

The coldest night of the year at Bedford, 1893 to 1923. The record is -27.8 C (-18.0 F) in 1907, marked on the chart; the median year is -22.8 C (-9.0 F).

Coldest night (TNn) at Bedford by year
Year	Coldest night (TNn)
1893	-24.4 C (-11.9 F)
1894	-25.0 C (-13.0 F)
1895	-22.8 C (-9.0 F)
1896	-24.4 C (-11.9 F)
1897	-21.1 C (-6.0 F)
1898	-21.1 C (-6.0 F)
1899	-21.7 C (-7.1 F)
1900	-20.6 C (-5.1 F)
1901	-22.2 C (-8.0 F)
1902	-24.4 C (-11.9 F)
1903	-20.6 C (-5.1 F)
1904	-27.2 C (-17.0 F)
1905	-21.1 C (-6.0 F)
1906	-21.7 C (-7.1 F)
1907	-27.8 C (-18.0 F)
1908	-20.0 C (-4.0 F)
1909	-21.1 C (-6.0 F)
1910	-25.0 C (-13.0 F)
1911	-20.0 C (-4.0 F)
1912	-24.4 C (-11.9 F)
1913	-19.4 C (-2.9 F)
1914	-25.6 C (-14.1 F)
1915	-18.3 C (-0.9 F)
1916	-25.0 C (-13.0 F)
1917	-26.7 C (-16.1 F)
1918	-25.6 C (-14.1 F)
1919	-22.2 C (-8.0 F)
1920	-26.1 C (-15.0 F)
1921	-19.4 C (-2.9 F)
1922	-25.6 C (-14.1 F)
1923	-22.8 C (-9.0 F)

Wettest day (Rx1day)

The wettest day of the year at Bedford, 1893 to 1923. The record is 128.5 mm (5.1 in) in 1906, marked on the chart; the median year is 58.4 mm (2.3 in).

Wettest day (Rx1day) at Bedford by year
Year	Wettest day (Rx1day)
1893	63.5 mm (2.5 in)
1894	43.2 mm (1.7 in)
1895	57.9 mm (2.3 in)
1896	77.0 mm (3.0 in)
1897	47.0 mm (1.9 in)
1898	80.3 mm (3.2 in)
1899	44.2 mm (1.7 in)
1900	58.4 mm (2.3 in)
1901	66.5 mm (2.6 in)
1902	54.1 mm (2.1 in)
1903	84.1 mm (3.3 in)
1904	89.9 mm (3.5 in)
1905	114.8 mm (4.5 in)
1906	128.5 mm (5.1 in)
1907	94.7 mm (3.7 in)
1908	57.4 mm (2.3 in)
1909	51.3 mm (2.0 in)
1910	31.5 mm (1.2 in)
1911	73.9 mm (2.9 in)
1912	61.0 mm (2.4 in)
1913	43.7 mm (1.7 in)
1914	50.8 mm (2.0 in)
1915	86.4 mm (3.4 in)
1916	48.3 mm (1.9 in)
1917	35.8 mm (1.4 in)
1918	47.5 mm (1.9 in)
1919	61.0 mm (2.4 in)
1920	51.8 mm (2.0 in)
1921	65.5 mm (2.6 in)
1922	92.5 mm (3.6 in)
1923	45.0 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Bedford, 1893 to 1923. The record is 222.0 mm (8.7 in) in 1905, marked on the chart; the median year is 76.5 mm (3.0 in).

Wettest five days (Rx5day) at Bedford by year
Year	Wettest five days (Rx5day)
1893	91.2 mm (3.6 in)
1894	49.3 mm (1.9 in)
1895	89.2 mm (3.5 in)
1896	99.3 mm (3.9 in)
1897	68.7 mm (2.7 in)
1898	87.2 mm (3.4 in)
1899	57.2 mm (2.3 in)
1900	91.7 mm (3.6 in)
1901	66.3 mm (2.6 in)
1902	67.3 mm (2.6 in)
1903	100.6 mm (4.0 in)
1904	96.2 mm (3.8 in)
1905	222.0 mm (8.7 in)
1906	144.0 mm (5.7 in)
1907	74.2 mm (2.9 in)
1908	70.9 mm (2.8 in)
1909	70.4 mm (2.8 in)
1910	46.0 mm (1.8 in)
1911	92.7 mm (3.6 in)
1912	73.7 mm (2.9 in)
1913	76.5 mm (3.0 in)
1914	52.8 mm (2.1 in)
1915	147.9 mm (5.8 in)
1916	57.1 mm (2.2 in)
1917	48.8 mm (1.9 in)
1918	69.1 mm (2.7 in)
1919	81.4 mm (3.2 in)
1920	75.1 mm (3.0 in)
1921	134.4 mm (5.3 in)
1922	167.8 mm (6.6 in)
1923	88.2 mm (3.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Bedford, 1893 to 1923. The record is 36 days in 1915, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Bedford by year
Year	Longest dry spell (CDD)
1893	9 days
1894	17 days
1895	12 days
1896	13 days
1897	14 days
1898	12 days
1899	16 days
1900	29 days
1901	14 days
1902	14 days
1903	17 days
1904	17 days
1905	14 days
1906	17 days
1907	12 days
1908	22 days
1909	13 days
1910	17 days
1911	28 days
1912	19 days
1913	16 days
1914	31 days
1915	36 days
1916	13 days
1917	16 days
1918	11 days
1919	14 days
1920	26 days
1921	16 days
1922	13 days
1923	13 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

24 years with a frost

Across 24 years with a frost, the median last spring frost at Bedford falls on 2 May and the median first autumn frost on 12 October, which leaves a median of 162 days between them.

Frost dates and growing season at Bedford
Measure	Median, all years	Earliest period	Recent period (1894 to 1921)	Recent against earliest	Fitted trend
Last spring frost	2 May	n/a	2 May	n/a	n/a
First autumn frost	12 October	n/a	12 October	n/a	n/a
Growing days	162 days	n/a	162 days	n/a	n/a

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.

Download the Data

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