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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Walpole Weather Records (USC00278854)

Record envelope, standing records and threshold days for Walpole (USC00278854), New Hampshire, United States, with 68 years of record.

Key Facts for Walpole

  • Walpole (USC00278854) is a weather station in New Hampshire, United States at 43.08 latitude and -72.43 longitude, 98 m (322 ft) above sea level.
  • The station reports from 1885 to 1952, 68 years of record.
  • 1,464 records set at Walpole 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, 43.08 latitude, -72.43 longitude.
  • Elevation: 98 m (322 ft).
  • Period of record: 1885 to 1952, 68 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Walpole, with 2026 drawn through them The band shows the record high and record low for each calendar day at Walpole. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Walpole. 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 Walpole, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan14.4 C (57.9 F)-31.7 C (-25.1 F)n/an/a
Feb15.0 C (59.0 F)-30.6 C (-23.1 F)n/an/a
Mar18.9 C (66.0 F)-31.7 C (-25.1 F)n/an/a
Apr26.1 C (79.0 F)-11.7 C (10.9 F)n/an/a
May30.0 C (86.0 F)-3.3 C (26.1 F)n/an/a
Jun34.4 C (93.9 F)-1.7 C (28.9 F)n/an/a
Jul36.1 C (97.0 F)4.4 C (39.9 F)n/an/a
Aug35.0 C (95.0 F)2.8 C (37.0 F)n/an/a
Sep28.9 C (84.0 F)-6.1 C (21.0 F)n/an/a
Oct26.7 C (80.1 F)-13.9 C (7.0 F)n/an/a
Nov25.6 C (78.1 F)-18.9 C (-2.0 F)n/an/a
Dec16.1 C (61.0 F)-31.7 C (-25.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Walpole by the year they were set 1,464 records at Walpole still stand. 1888 holds the most, with 211. 01002003001885: 1151886: 2101887: 2001888: 2111889: 1231890: 1761891: 2091892: 1871893: 33188518861887188818891890189118921893
1,464 records at Walpole still stand. 1888 holds the most, with 211.
Standing records at Walpole by the year they were set
Year setStanding records
1885115
1886210
1887200
1888211
1889123
1890176
1891209
1892187
189333

Wettest Day of Each Month

Oct: 137.2 mm (5.4 in)
Record daily precipitation for each month at Walpole The wettest day on record for each calendar month at Walpole. The most was 137.2 mm (5.4 in) on 31 October 1886. 050100150 Jan: 52.6 mm (2.1 in), 15 January 1892 Jan Feb: 68.6 mm (2.7 in), 15 February 1940 Feb Mar: 63.5 mm (2.5 in), 14 March 1888 Mar Apr: 66.0 mm (2.6 in), 26 April 1945 Apr May: 86.1 mm (3.4 in), 23 May 1892 May Jun: 82.6 mm (3.3 in), 23 June 1887 Jun Jul: 71.4 mm (2.8 in), 16 July 1886 Jul Aug: 67.3 mm (2.6 in), 29 August 1949 Aug Sep: 127.0 mm (5.0 in), 22 September 1888 Sep Oct: 137.2 mm (5.4 in), 31 October 1886 Oct Nov: 76.2 mm (3.0 in), 18 November 1886 Nov Dec: 55.6 mm (2.2 in), 18 December 1888 Dec
The wettest day on record for each calendar month at Walpole. The most was 137.2 mm (5.4 in) on 31 October 1886.
Record daily precipitation for each month at Walpole
MonthRecord daily precipitation (mm)Date
Jan52.6 mm (2.1 in)15 January 1892
Feb68.6 mm (2.7 in)15 February 1940
Mar63.5 mm (2.5 in)14 March 1888
Apr66.0 mm (2.6 in)26 April 1945
May86.1 mm (3.4 in)23 May 1892
Jun82.6 mm (3.3 in)23 June 1887
Jul71.4 mm (2.8 in)16 July 1886
Aug67.3 mm (2.6 in)29 August 1949
Sep127.0 mm (5.0 in)22 September 1888
Oct137.2 mm (5.4 in)31 October 1886
Nov76.2 mm (3.0 in)18 November 1886
Dec55.6 mm (2.2 in)18 December 1888

Period of Record Coverage

1885 to 1893
Days with data per year at Walpole 9 years of record at Walpole, 1885 to 1893. 5 years have data for under 90 percent of days and are left out of rankings: 1885, 1887, 1888, 1889, 1893. 1885: 199 of 365 days1886: 345 of 365 days1887: 324 of 365 days1888: 284 of 366 days1889: 228 of 365 days1890: 351 of 365 days1891: 355 of 365 days1892: 356 of 366 days1893: 86 of 365 days18851890
9 years of record at Walpole, 1885 to 1893. 5 years have data for under 90 percent of days and are left out of rankings: 1885, 1887, 1888, 1889, 1893.
Days with data per year at Walpole
YearDays with dataShare of yearComplete
188519955%No
188634595%Yes
188732489%No
188828478%No
188922862%No
189035196%Yes
189135597%Yes
189235697%Yes
18938624%No

Latest Records

0

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

Extremes by Year

1885 to 1952
Yearly extremes at Walpole: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.1 C (97.0 F)188632.8 C (91.0 F)9
Coldest night (TNn)-31.7 C (-25.1 F)1886-26.7 C (-16.1 F)9
Wettest day (Rx1day)137.2 mm (5.4 in)188662.2 mm (2.4 in)25
Wettest five days (Rx5day)138.0 mm (5.4 in)188675.2 mm (3.0 in)25
Longest dry spell (CDD)36 days194117 days25

Hottest day (TXx)

Hottest day (TXx) at Walpole by year The hottest day of the year at Walpole, 1885 to 1952. The record is 36.1 C (97.0 F) in 1886, marked on the chart; the median year is 32.8 C (91.0 F). 010203040190019201940Record: 36.1 C (97.0 F) in 1886
The hottest day of the year at Walpole, 1885 to 1952. The record is 36.1 C (97.0 F) in 1886, marked on the chart; the median year is 32.8 C (91.0 F).
Hottest day (TXx) at Walpole by year
YearHottest day (TXx)
188533.3 C (91.9 F)
188636.1 C (97.0 F)
188732.8 C (91.0 F)
188832.8 C (91.0 F)
188929.4 C (84.9 F)
189032.8 C (91.0 F)
189133.3 C (91.9 F)
189234.4 C (93.9 F)
18939.4 C (48.9 F)
1937n/a
1938n/a
1939n/a
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a

Coldest night (TNn)

Coldest night (TNn) at Walpole by year The coldest night of the year at Walpole, 1885 to 1952. The record is -31.7 C (-25.1 F) in 1886, marked on the chart; the median year is -26.7 C (-16.1 F). -35-30-25-20-15190019201940Record: -31.7 C (-25.1 F) in 1886
The coldest night of the year at Walpole, 1885 to 1952. The record is -31.7 C (-25.1 F) in 1886, marked on the chart; the median year is -26.7 C (-16.1 F).
Coldest night (TNn) at Walpole by year
YearColdest night (TNn)
1885-18.9 C (-2.0 F)
1886-31.7 C (-25.1 F)
1887-31.7 C (-25.1 F)
1888-28.9 C (-20.0 F)
1889-26.7 C (-16.1 F)
1890-26.1 C (-15.0 F)
1891-24.4 C (-11.9 F)
1892-30.0 C (-22.0 F)
1893-26.1 C (-15.0 F)
1937n/a
1938n/a
1939n/a
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Walpole by year The wettest day of the year at Walpole, 1885 to 1952. The record is 137.2 mm (5.4 in) in 1886, marked on the chart; the median year is 62.2 mm (2.4 in). 050100150190019201940Record: 137.2 mm (5.4 in) in 1886
The wettest day of the year at Walpole, 1885 to 1952. The record is 137.2 mm (5.4 in) in 1886, marked on the chart; the median year is 62.2 mm (2.4 in).
Wettest day (Rx1day) at Walpole by year
YearWettest day (Rx1day)
188527.9 mm (1.1 in)
1886137.2 mm (5.4 in)
188782.6 mm (3.3 in)
1888127.0 mm (5.0 in)
188970.6 mm (2.8 in)
189058.4 mm (2.3 in)
189151.3 mm (2.0 in)
189286.1 mm (3.4 in)
189344.7 mm (1.8 in)
19373.8 mm (0.15 in)
193837.1 mm (1.5 in)
193943.2 mm (1.7 in)
194068.6 mm (2.7 in)
194134.8 mm (1.4 in)
194245.7 mm (1.8 in)
194363.5 mm (2.5 in)
194441.9 mm (1.6 in)
194566.0 mm (2.6 in)
194662.2 mm (2.4 in)
194767.8 mm (2.7 in)
194853.6 mm (2.1 in)
194967.3 mm (2.6 in)
195074.4 mm (2.9 in)
195168.1 mm (2.7 in)
195254.1 mm (2.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Walpole by year The wettest five days of the year at Walpole, 1885 to 1952. The record is 138.0 mm (5.4 in) in 1886, marked on the chart; the median year is 75.2 mm (3.0 in). 050100150190019201940Record: 138.0 mm (5.4 in) in 1886
The wettest five days of the year at Walpole, 1885 to 1952. The record is 138.0 mm (5.4 in) in 1886, marked on the chart; the median year is 75.2 mm (3.0 in).
Wettest five days (Rx5day) at Walpole by year
YearWettest five days (Rx5day)
188528.7 mm (1.1 in)
1886138.0 mm (5.4 in)
188785.6 mm (3.4 in)
188848.0 mm (1.9 in)
188975.2 mm (3.0 in)
189069.8 mm (2.7 in)
189171.6 mm (2.8 in)
189294.5 mm (3.7 in)
189363.8 mm (2.5 in)
19373.8 mm (0.15 in)
193862.3 mm (2.5 in)
193947.5 mm (1.9 in)
194088.4 mm (3.5 in)
194139.6 mm (1.6 in)
194268.6 mm (2.7 in)
194379.5 mm (3.1 in)
194494.0 mm (3.7 in)
194581.1 mm (3.2 in)
194675.7 mm (3.0 in)
1947122.4 mm (4.8 in)
194874.2 mm (2.9 in)
194980.6 mm (3.2 in)
1950122.8 mm (4.8 in)
195191.0 mm (3.6 in)
195256.3 mm (2.2 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Walpole by year The longest dry spell of the year at Walpole, 1885 to 1952. The record is 36 days in 1941, marked on the chart; the median year is 17 days. 010203040190019201940Record: 36 days in 1941
The longest dry spell of the year at Walpole, 1885 to 1952. The record is 36 days in 1941, marked on the chart; the median year is 17 days.
Longest dry spell (CDD) at Walpole by year
YearLongest dry spell (CDD)
188516 days
188614 days
188717 days
188811 days
18899 days
189019 days
189114 days
189230 days
189314 days
19374 days
193819 days
193912 days
194025 days
194136 days
194220 days
194323 days
194419 days
19459 days
194615 days
194729 days
194813 days
194921 days
195023 days
195112 days
195221 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 Walpole standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Walpole 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 . Last revised (2025-12-31).