Somerset (1) Weather Records (USC00197475)

Record envelope, standing records and threshold days for Somerset (1) (USC00197475), Massachusetts, United States, with 30 years of record.

Key Facts for Somerset (1)

Somerset (1) (USC00197475) is a weather station in Massachusetts, United States at 41.77 latitude and -71.13 longitude, 12 m (40 ft) above sea level.
The station reports from 1893 to 1922, 30 years of record.
1,464 records set at Somerset (1) still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Massachusetts, United States, 41.77 latitude, -71.13 longitude.
Elevation: 12 m (40 ft).
Period of record: 1893 to 1922, 30 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 Somerset (1). 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 Somerset (1), 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)	-28.3 C (-18.9 F)	n/a	n/a
Feb	15.6 C (60.1 F)	-25.6 C (-14.1 F)	n/a	n/a
Mar	25.6 C (78.1 F)	-18.9 C (-2.0 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-9.4 C (15.1 F)	n/a	n/a
May	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a
Jun	40.0 C (104.0 F)	1.1 C (34.0 F)	n/a	n/a
Jul	41.1 C (106.0 F)	7.2 C (45.0 F)	n/a	n/a
Aug	38.9 C (102.0 F)	4.4 C (39.9 F)	n/a	n/a
Sep	38.9 C (102.0 F)	-2.8 C (27.0 F)	n/a	n/a
Oct	30.6 C (87.1 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-15.6 C (3.9 F)	n/a	n/a
Dec	20.0 C (68.0 F)	-24.4 C (-11.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Somerset (1) still stand. 1903 holds the most, with 81.

Standing records at Somerset (1) by the year they were set
Year set	Standing records
1893	45
1894	61
1895	66
1896	77
1897	40
1898	58
1899	51
1900	60
1901	41
1902	43
1903	81
1904	59
1905	30
1906	53
1907	50
1908	57
1909	36
1910	39
1911	42
1912	47
1913	52
1914	46
1915	35
1916	42
1917	38
1918	35
1919	46
1920	32
1921	48
1922	54

Wettest Day of Each Month

Jul: 128.3 mm (5.1 in)

The wettest day on record for each calendar month at Somerset (1). The most was 128.3 mm (5.1 in) on 23 July 1916.

Record daily precipitation for each month at Somerset (1)
Month	Record daily precipitation (mm)	Date
Jan	91.9 mm (3.6 in)	3 January 1919
Feb	109.5 mm (4.3 in)	22 February 1898
Mar	91.7 mm (3.6 in)	10 March 1893
Apr	116.3 mm (4.6 in)	29 April 1904
May	73.7 mm (2.9 in)	3 May 1900
Jun	82.0 mm (3.2 in)	5 June 1920
Jul	128.3 mm (5.1 in)	23 July 1916
Aug	112.5 mm (4.4 in)	28 August 1922
Sep	101.6 mm (4.0 in)	4 September 1905
Oct	110.7 mm (4.4 in)	13 October 1895
Nov	104.6 mm (4.1 in)	29 November 1921
Dec	76.2 mm (3.0 in)	30 December 1901

Period of Record Coverage

1893 to 1922

30 years of record at Somerset (1), 1893 to 1922. 3 years have data for under 90 percent of days and are left out of rankings: 1894, 1895, 1922.

Days with data per year at Somerset (1)
Year	Days with data	Share of year	Complete
1893	350	96%	Yes
1894	319	87%	No
1895	327	90%	No
1896	350	96%	Yes
1897	350	96%	Yes
1898	353	97%	Yes
1899	347	95%	Yes
1900	345	95%	Yes
1901	346	95%	Yes
1902	346	95%	Yes
1903	353	97%	Yes
1904	349	95%	Yes
1905	350	96%	Yes
1906	347	95%	Yes
1907	352	96%	Yes
1908	356	97%	Yes
1909	357	98%	Yes
1910	359	98%	Yes
1911	343	94%	Yes
1912	349	95%	Yes
1913	340	93%	Yes
1914	343	94%	Yes
1915	349	96%	Yes
1916	348	95%	Yes
1917	352	96%	Yes
1918	346	95%	Yes
1919	350	96%	Yes
1920	361	99%	Yes
1921	345	95%	Yes
1922	327	90%	No

Latest Records

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

Climate Trend

26 complete years, 1893 to 1921

One stripe for each of 26 complete years at Somerset (1), 1893 to 1921. Blue stripes are years cooler than the station's own mean of 10.6 C (51.2 F); red stripes are warmer. The coolest year was 1904, at 8.5 C (47.4 F), and the warmest was 1913, at 12.3 C (54.1 F). The strongest colour marks a difference of 2.2 C (4.0 F).

Annual mean temperature at Somerset (1) as warming stripes, 1893 to 1921
Year	Annual mean temperature	Difference from the station mean
1893	10.3 C	-0.40 C
1896	11.1 C	+0.45 C
1897	11.3 C	+0.62 C
1898	11.7 C	+1.09 C
1900	11.6 C	+0.98 C
1901	11.0 C	+0.36 C
1902	11.3 C	+0.64 C
1903	10.8 C	+0.16 C
1904	8.5 C	-2.11 C
1905	9.7 C	-0.96 C
1906	10.7 C	+0.06 C
1907	9.7 C	-0.96 C
1908	11.0 C	+0.32 C
1909	10.7 C	+0.07 C
1910	8.9 C	-1.80 C
1911	10.9 C	+0.27 C
1912	10.7 C	+0.09 C
1913	12.3 C	+1.65 C
1914	10.6 C	-0.01 C
1915	11.3 C	+0.64 C
1916	10.3 C	-0.37 C
1917	9.6 C	-1.09 C
1918	10.6 C	-0.05 C
1919	11.3 C	+0.64 C
1920	10.6 C	-0.01 C
1921	10.3 C	-0.40 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 1922

Yearly extremes at Somerset (1): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	1911	37.8 C (100.0 F)	30
Coldest night (TNn)	-28.3 C (-18.9 F)	1904	-22.2 C (-8.0 F)	30
Wettest day (Rx1day)	128.3 mm (5.1 in)	1916	82.9 mm (3.3 in)	30
Wettest five days (Rx5day)	163.4 mm (6.4 in)	1916	95.9 mm (3.8 in)	30
Longest dry spell (CDD)	27 days	1912	18 days	30

Hottest day (TXx)

The hottest day of the year at Somerset (1), 1893 to 1922. The record is 41.1 C (106.0 F) in 1911, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Somerset (1) by year
Year	Hottest day (TXx)
1893	36.7 C (98.1 F)
1894	37.8 C (100.0 F)
1895	37.8 C (100.0 F)
1896	38.3 C (100.9 F)
1897	35.6 C (96.1 F)
1898	38.9 C (102.0 F)
1899	40.0 C (104.0 F)
1900	38.9 C (102.0 F)
1901	37.8 C (100.0 F)
1902	35.6 C (96.1 F)
1903	37.2 C (99.0 F)
1904	36.1 C (97.0 F)
1905	36.7 C (98.1 F)
1906	36.1 C (97.0 F)
1907	37.8 C (100.0 F)
1908	38.3 C (100.9 F)
1909	36.7 C (98.1 F)
1910	33.9 C (93.0 F)
1911	41.1 C (106.0 F)
1912	39.4 C (102.9 F)
1913	38.9 C (102.0 F)
1914	37.8 C (100.0 F)
1915	35.0 C (95.0 F)
1916	35.6 C (96.1 F)
1917	39.4 C (102.9 F)
1918	37.8 C (100.0 F)
1919	37.8 C (100.0 F)
1920	35.0 C (95.0 F)
1921	32.2 C (90.0 F)
1922	31.1 C (88.0 F)

Coldest night (TNn)

The coldest night of the year at Somerset (1), 1893 to 1922. The record is -28.3 C (-18.9 F) in 1904, marked on the chart; the median year is -22.2 C (-8.0 F).

Coldest night (TNn) at Somerset (1) by year
Year	Coldest night (TNn)
1893	-25.0 C (-13.0 F)
1894	-23.3 C (-9.9 F)
1895	-22.2 C (-8.0 F)
1896	-25.0 C (-13.0 F)
1897	-17.8 C (0.0 F)
1898	-21.1 C (-6.0 F)
1899	-23.3 C (-9.9 F)
1900	-21.1 C (-6.0 F)
1901	-22.2 C (-8.0 F)
1902	-24.4 C (-11.9 F)
1903	-22.2 C (-8.0 F)
1904	-28.3 C (-18.9 F)
1905	-23.3 C (-9.9 F)
1906	-20.0 C (-4.0 F)
1907	-27.8 C (-18.0 F)
1908	-21.7 C (-7.1 F)
1909	-19.4 C (-2.9 F)
1910	-21.1 C (-6.0 F)
1911	-17.8 C (0.0 F)
1912	-25.6 C (-14.1 F)
1913	-18.9 C (-2.0 F)
1914	-25.0 C (-13.0 F)
1915	-16.1 C (3.0 F)
1916	-22.2 C (-8.0 F)
1917	-23.3 C (-9.9 F)
1918	-25.6 C (-14.1 F)
1919	-22.2 C (-8.0 F)
1920	-23.3 C (-9.9 F)
1921	-21.7 C (-7.1 F)
1922	-24.4 C (-11.9 F)

Wettest day (Rx1day)

The wettest day of the year at Somerset (1), 1893 to 1922. The record is 128.3 mm (5.1 in) in 1916, marked on the chart; the median year is 82.9 mm (3.3 in).

Wettest day (Rx1day) at Somerset (1) by year
Year	Wettest day (Rx1day)
1893	91.7 mm (3.6 in)
1894	85.9 mm (3.4 in)
1895	110.7 mm (4.4 in)
1896	79.0 mm (3.1 in)
1897	90.7 mm (3.6 in)
1898	109.5 mm (4.3 in)
1899	96.8 mm (3.8 in)
1900	73.7 mm (2.9 in)
1901	76.2 mm (3.0 in)
1902	50.8 mm (2.0 in)
1903	99.6 mm (3.9 in)
1904	116.3 mm (4.6 in)
1905	101.6 mm (4.0 in)
1906	68.8 mm (2.7 in)
1907	79.0 mm (3.1 in)
1908	51.3 mm (2.0 in)
1909	59.2 mm (2.3 in)
1910	63.8 mm (2.5 in)
1911	83.8 mm (3.3 in)
1912	53.1 mm (2.1 in)
1913	103.1 mm (4.1 in)
1914	62.5 mm (2.5 in)
1915	77.0 mm (3.0 in)
1916	128.3 mm (5.1 in)
1917	47.5 mm (1.9 in)
1918	55.6 mm (2.2 in)
1919	91.9 mm (3.6 in)
1920	82.0 mm (3.2 in)
1921	104.6 mm (4.1 in)
1922	112.5 mm (4.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Somerset (1), 1893 to 1922. The record is 163.4 mm (6.4 in) in 1916, marked on the chart; the median year is 95.9 mm (3.8 in).

Wettest five days (Rx5day) at Somerset (1) by year
Year	Wettest five days (Rx5day)
1893	103.9 mm (4.1 in)
1894	89.5 mm (3.5 in)
1895	112.2 mm (4.4 in)
1896	89.6 mm (3.5 in)
1897	92.7 mm (3.6 in)
1898	118.9 mm (4.7 in)
1899	102.1 mm (4.0 in)
1900	99.0 mm (3.9 in)
1901	75.0 mm (3.0 in)
1902	68.6 mm (2.7 in)
1903	125.0 mm (4.9 in)
1904	121.4 mm (4.8 in)
1905	108.8 mm (4.3 in)
1906	68.8 mm (2.7 in)
1907	114.8 mm (4.5 in)
1908	77.0 mm (3.0 in)
1909	63.0 mm (2.5 in)
1910	69.1 mm (2.7 in)
1911	111.5 mm (4.4 in)
1912	44.7 mm (1.8 in)
1913	125.7 mm (4.9 in)
1914	67.3 mm (2.6 in)
1915	77.0 mm (3.0 in)
1916	163.4 mm (6.4 in)
1917	59.5 mm (2.3 in)
1918	63.7 mm (2.5 in)
1919	91.9 mm (3.6 in)
1920	103.3 mm (4.1 in)
1921	125.2 mm (4.9 in)
1922	106.2 mm (4.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Somerset (1), 1893 to 1922. The record is 27 days in 1912, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Somerset (1) by year
Year	Longest dry spell (CDD)
1893	14 days
1894	18 days
1895	13 days
1896	13 days
1897	15 days
1898	20 days
1899	16 days
1900	22 days
1901	18 days
1902	15 days
1903	17 days
1904	18 days
1905	15 days
1906	21 days
1907	17 days
1908	21 days
1909	18 days
1910	17 days
1911	19 days
1912	27 days
1913	19 days
1914	23 days
1915	25 days
1916	13 days
1917	22 days
1918	19 days
1919	14 days
1920	15 days
1921	19 days
1922	25 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

26 years with a frost

Across 26 years with a frost, the median last spring frost at Somerset (1) falls on 25 April and the median first autumn frost on 14 October, which leaves a median of 169 days between them.

Fitted over all years, the growing season changes by +5.7 days per decade at this station.

Frost dates and growing season at Somerset (1)
Measure	Median, all years	Earliest period	Recent period (1893 to 1921)	Recent against earliest	Fitted trend
Last spring frost	25 April	n/a	25 April	n/a	-3.6 days per decade
First autumn frost	14 October	n/a	14 October	n/a	+2.1 days per decade
Growing days	169 days	n/a	169 days	n/a	+5.7 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.

Download the Data

Data for Somerset (1) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Somerset (1) 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).