Alstead Center Weather Records (USC00270090)

Record envelope, standing records and threshold days for Alstead Center (USC00270090), New Hampshire, United States, with 30 years of record.

Key Facts for Alstead Center

Alstead Center (USC00270090) is a weather station in New Hampshire, United States at 43.17 latitude and -72.42 longitude, 341 m (1,120 ft) above sea level.
The station reports from 1893 to 1922, 30 years of record.
1,464 records set at Alstead Center still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: New Hampshire, United States, 43.17 latitude, -72.42 longitude.
Elevation: 341 m (1,120 ft).
Period of record: 1893 to 1922, 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 Alstead Center. 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 Alstead Center, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.9 C (57.0 F)	-32.8 C (-27.0 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-31.1 C (-24.0 F)	n/a	n/a
Mar	21.1 C (70.0 F)	-25.0 C (-13.0 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-11.7 C (10.9 F)	n/a	n/a
May	32.8 C (91.0 F)	-5.0 C (23.0 F)	n/a	n/a
Jun	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	36.1 C (97.0 F)	5.6 C (42.1 F)	n/a	n/a
Aug	35.6 C (96.1 F)	-1.1 C (30.0 F)	n/a	n/a
Sep	31.1 C (88.0 F)	-4.4 C (24.1 F)	n/a	n/a
Oct	26.1 C (79.0 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-17.8 C (0.0 F)	n/a	n/a
Dec	14.4 C (57.9 F)	-32.2 C (-26.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Alstead Center still stand. 1903 holds the most, with 97.

Standing records at Alstead Center by the year they were set
Year set	Standing records
1901	76
1902	79
1903	97
1904	75
1905	52
1906	56
1907	71
1908	70
1909	56
1910	33
1911	74
1912	75
1913	68
1914	93
1915	64
1916	63
1917	61
1918	87
1919	61
1920	43
1921	66
1922	44

Wettest Day of Each Month

Sep: 105.2 mm (4.1 in)

The wettest day on record for each calendar month at Alstead Center. The most was 105.2 mm (4.1 in) on 15 September 1904.

Record daily precipitation for each month at Alstead Center
Month	Record daily precipitation (mm)	Date
Jan	38.1 mm (1.5 in)	21 January 1900
Feb	60.5 mm (2.4 in)	13 February 1900
Mar	63.5 mm (2.5 in)	1 March 1900
Apr	59.2 mm (2.3 in)	14 April 1895
May	52.8 mm (2.1 in)	17 May 1916
Jun	97.8 mm (3.9 in)	10 June 1897
Jul	101.6 mm (4.0 in)	8 July 1915
Aug	81.5 mm (3.2 in)	11 August 1912
Sep	105.2 mm (4.1 in)	15 September 1904
Oct	60.7 mm (2.4 in)	30 October 1917
Nov	95.3 mm (3.8 in)	9 November 1900
Dec	70.6 mm (2.8 in)	15 December 1897

Period of Record Coverage

1901 to 1922

22 years of record at Alstead Center, 1901 to 1922. 3 years have data for under 90 percent of days and are left out of rankings: 1901, 1905, 1922.

Days with data per year at Alstead Center
Year	Days with data	Share of year	Complete
1901	273	75%	No
1902	361	99%	Yes
1903	360	99%	Yes
1904	362	99%	Yes
1905	307	84%	No
1906	361	99%	Yes
1907	364	100%	Yes
1908	365	100%	Yes
1909	364	100%	Yes
1910	363	99%	Yes
1911	362	99%	Yes
1912	365	100%	Yes
1913	363	99%	Yes
1914	363	99%	Yes
1915	361	99%	Yes
1916	360	98%	Yes
1917	362	99%	Yes
1918	363	99%	Yes
1919	357	98%	Yes
1920	350	96%	Yes
1921	359	98%	Yes
1922	328	90%	No

Latest Records

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

Climate Trend

18 complete years, 1902 to 1921

One stripe for each of 18 complete years at Alstead Center, 1902 to 1921. Blue stripes are years cooler than the station's own mean of 6.7 C (44.0 F); red stripes are warmer. The coolest year was 1904, at 5.3 C (41.6 F), and the warmest was 1921, at 8.0 C (46.4 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Alstead Center as warming stripes, 1902 to 1921
Year	Annual mean temperature	Difference from the station mean
1902	6.9 C	+0.23 C
1903	6.8 C	+0.15 C
1904	5.3 C	-1.34 C
1906	6.8 C	+0.09 C
1907	5.6 C	-1.13 C
1908	7.0 C	+0.29 C
1909	6.3 C	-0.34 C
1910	6.7 C	-0.02 C
1911	6.9 C	+0.22 C
1912	6.0 C	-0.69 C
1913	7.9 C	+1.20 C
1914	6.1 C	-0.58 C
1915	7.6 C	+0.89 C
1916	6.6 C	-0.12 C
1917	5.5 C	-1.20 C
1918	6.8 C	+0.09 C
1919	7.6 C	+0.87 C
1921	8.0 C	+1.34 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 Alstead Center: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1911	32.5 C (90.5 F)	22
Coldest night (TNn)	-32.8 C (-27.0 F)	1920	-26.7 C (-16.1 F)	22
Wettest day (Rx1day)	105.2 mm (4.1 in)	1904	57.1 mm (2.2 in)	30
Wettest five days (Rx5day)	132.6 mm (5.2 in)	1921	82.6 mm (3.3 in)	30
Longest dry spell (CDD)	42 days	1905	18 days	30

Hottest day (TXx)

The hottest day of the year at Alstead Center, 1893 to 1922. The record is 36.1 C (97.0 F) in 1911, marked on the chart; the median year is 32.5 C (90.5 F).

Hottest day (TXx) at Alstead Center by year
Year	Hottest day (TXx)
1893	n/a
1894	n/a
1895	n/a
1896	n/a
1897	n/a
1898	n/a
1899	n/a
1900	n/a
1901	35.0 C (95.0 F)
1902	30.0 C (86.0 F)
1903	33.3 C (91.9 F)
1904	32.2 C (90.0 F)
1905	31.1 C (88.0 F)
1906	30.0 C (86.0 F)
1907	32.2 C (90.0 F)
1908	32.2 C (90.0 F)
1909	31.1 C (88.0 F)
1910	32.2 C (90.0 F)
1911	36.1 C (97.0 F)
1912	33.3 C (91.9 F)
1913	35.0 C (95.0 F)
1914	31.7 C (89.1 F)
1915	30.0 C (86.0 F)
1916	32.8 C (91.0 F)
1917	33.9 C (93.0 F)
1918	35.6 C (96.1 F)
1919	33.9 C (93.0 F)
1920	30.0 C (86.0 F)
1921	32.8 C (91.0 F)
1922	32.8 C (91.0 F)

Coldest night (TNn)

The coldest night of the year at Alstead Center, 1893 to 1922. The record is -32.8 C (-27.0 F) in 1920, marked on the chart; the median year is -26.7 C (-16.1 F).

Coldest night (TNn) at Alstead Center by year
Year	Coldest night (TNn)
1893	n/a
1894	n/a
1895	n/a
1896	n/a
1897	n/a
1898	n/a
1899	n/a
1900	n/a
1901	-22.8 C (-9.0 F)
1902	-27.2 C (-17.0 F)
1903	-25.0 C (-13.0 F)
1904	-29.4 C (-20.9 F)
1905	-27.2 C (-17.0 F)
1906	-24.4 C (-11.9 F)
1907	-27.8 C (-18.0 F)
1908	-27.2 C (-17.0 F)
1909	-23.9 C (-11.0 F)
1910	-26.7 C (-16.1 F)
1911	-23.9 C (-11.0 F)
1912	-26.7 C (-16.1 F)
1913	-22.2 C (-8.0 F)
1914	-31.1 C (-24.0 F)
1915	-23.9 C (-11.0 F)
1916	-23.9 C (-11.0 F)
1917	-32.2 C (-26.0 F)
1918	-30.0 C (-22.0 F)
1919	-27.8 C (-18.0 F)
1920	-32.8 C (-27.0 F)
1921	-23.9 C (-11.0 F)
1922	-26.7 C (-16.1 F)

Wettest day (Rx1day)

The wettest day of the year at Alstead Center, 1893 to 1922. The record is 105.2 mm (4.1 in) in 1904, marked on the chart; the median year is 57.1 mm (2.2 in).

Wettest day (Rx1day) at Alstead Center by year
Year	Wettest day (Rx1day)
1893	34.0 mm (1.3 in)
1894	54.1 mm (2.1 in)
1895	59.2 mm (2.3 in)
1896	69.9 mm (2.8 in)
1897	99.6 mm (3.9 in)
1898	58.7 mm (2.3 in)
1899	48.8 mm (1.9 in)
1900	95.3 mm (3.8 in)
1901	69.9 mm (2.8 in)
1902	58.9 mm (2.3 in)
1903	53.8 mm (2.1 in)
1904	105.2 mm (4.1 in)
1905	51.8 mm (2.0 in)
1906	38.6 mm (1.5 in)
1907	61.5 mm (2.4 in)
1908	38.9 mm (1.5 in)
1909	47.5 mm (1.9 in)
1910	31.0 mm (1.2 in)
1911	38.1 mm (1.5 in)
1912	81.5 mm (3.2 in)
1913	33.8 mm (1.3 in)
1914	32.8 mm (1.3 in)
1915	101.6 mm (4.0 in)
1916	78.5 mm (3.1 in)
1917	60.7 mm (2.4 in)
1918	50.8 mm (2.0 in)
1919	55.4 mm (2.2 in)
1920	76.5 mm (3.0 in)
1921	74.4 mm (2.9 in)
1922	51.6 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Alstead Center, 1893 to 1922. The record is 132.6 mm (5.2 in) in 1921, marked on the chart; the median year is 82.6 mm (3.3 in).

Wettest five days (Rx5day) at Alstead Center by year
Year	Wettest five days (Rx5day)
1893	42.2 mm (1.7 in)
1894	54.1 mm (2.1 in)
1895	59.2 mm (2.3 in)
1896	82.6 mm (3.3 in)
1897	100.8 mm (4.0 in)
1898	82.5 mm (3.2 in)
1899	72.2 mm (2.8 in)
1900	73.7 mm (2.9 in)
1901	101.6 mm (4.0 in)
1902	109.8 mm (4.3 in)
1903	100.1 mm (3.9 in)
1904	115.1 mm (4.5 in)
1905	81.2 mm (3.2 in)
1906	93.5 mm (3.7 in)
1907	82.6 mm (3.3 in)
1908	61.3 mm (2.4 in)
1909	73.7 mm (2.9 in)
1910	60.5 mm (2.4 in)
1911	87.9 mm (3.5 in)
1912	93.5 mm (3.7 in)
1913	77.4 mm (3.0 in)
1914	54.1 mm (2.1 in)
1915	125.7 mm (4.9 in)
1916	98.5 mm (3.9 in)
1917	79.4 mm (3.1 in)
1918	92.7 mm (3.6 in)
1919	92.7 mm (3.6 in)
1920	95.1 mm (3.7 in)
1921	132.6 mm (5.2 in)
1922	71.1 mm (2.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Alstead Center, 1893 to 1922. The record is 42 days in 1905, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Alstead Center by year
Year	Longest dry spell (CDD)
1893	11 days
1894	19 days
1895	21 days
1896	20 days
1897	20 days
1898	12 days
1899	22 days
1900	18 days
1901	17 days
1902	15 days
1903	17 days
1904	16 days
1905	42 days
1906	15 days
1907	16 days
1908	25 days
1909	14 days
1910	18 days
1911	17 days
1912	20 days
1913	18 days
1914	25 days
1915	31 days
1916	11 days
1917	21 days
1918	24 days
1919	17 days
1920	13 days
1921	22 days
1922	17 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 Alstead Center standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Alstead Center 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).