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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Fortland Threshold Days by Year

4 fixed thresholds counted per year at Fortland (ASN00044035): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fortland Thresholds

  • Fortland: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1950 with 34.
  • Fortland: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1950 with 13.
  • Fortland: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1956 with 4.
  • Fortland: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1956 with 1.
  • 4 fixed thresholds have at least one qualifying day at Fortland.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Fortland Days per year at Fortland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1950. 0102030401917: 211918: 121919: 51920: 201921: 231922: 111923: 111924: 201926: 121929: 111933: 191934: 121935: 101936: 161937: 91938: 51939: 201947: 181948: 121949: 201950: 341951: 81952: 141953: 121954: 201955: 151956: 291957: 81958: 111959: 151961: 151962: 121963: 23191719211926193519391950195419581963
Days per year at Fortland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Fortland
YearDaysDecade average
19172112.7
19181212.7
1919512.7
19202015.4
19212315.4
19221115.4
19231115.4
19242015.4
19261215.4
19291115.4
19331913
19341213
19351013
19361613
1937913
1938513
19392013
19471816.7
19481216.7
19492016.7
19503416.6
1951816.6
19521416.6
19531216.6
19542016.6
19551516.6
19562916.6
1957816.6
19581116.6
19591516.6
19611516.7
19621216.7
19632316.7
First to last qualifying date each year at Fortland For each year, a bar from the first to the last day at Fortland meeting 10 mm (0.39 in). 1917: 17 January 1917 to 21 November 19171918: 24 January 1918 to 2 December 19181919: 20 January 1919 to 4 December 19191920: 20 January 1920 to 3 December 19201921: 3 February 1921 to 25 December 19211922: 6 January 1922 to 21 December 19221923: 10 January 1923 to 25 December 19231924: 6 January 1924 to 15 December 19241926: 1 January 1926 to 20 December 19261929: 10 January 1929 to 18 November 19291933: 25 January 1933 to 11 December 19331934: 30 January 1934 to 27 November 19341935: 1 July 1935 to 3 December 19351936: 6 January 1936 to 24 December 19361937: 11 January 1937 to 20 November 19371938: 24 January 1938 to 23 August 19381939: 22 January 1939 to 20 December 19391947: 10 February 1947 to 2 December 19471948: 2 January 1948 to 31 December 19481949: 9 January 1949 to 14 December 19491950: 18 January 1950 to 25 December 19501951: 20 January 1951 to 19 December 19511952: 6 January 1952 to 25 October 19521953: 7 January 1953 to 30 October 19531954: 2 January 1954 to 5 December 19541955: 21 January 1955 to 21 October 19551956: 20 January 1956 to 21 December 19561957: 7 January 1957 to 30 October 19571958: 29 January 1958 to 26 November 19581959: 10 January 1959 to 18 December 19591961: 2 January 1961 to 19 December 19611962: 1 January 1962 to 29 December 19621963: 8 January 1963 to 29 December 19631917192219331938195019551961JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fortland meeting 10 mm (0.39 in).
First to last qualifying date each year at Fortland
YearFirst dateLast date
19171917-01-171917-11-21
19181918-01-241918-12-02
19191919-01-201919-12-04
19201920-01-201920-12-03
19211921-02-031921-12-25
19221922-01-061922-12-21
19231923-01-101923-12-25
19241924-01-061924-12-15
19261926-01-011926-12-20
19291929-01-101929-11-18
19331933-01-251933-12-11
19341934-01-301934-11-27
19351935-07-011935-12-03
19361936-01-061936-12-24
19371937-01-111937-11-20
19381938-01-241938-08-23
19391939-01-221939-12-20
19471947-02-101947-12-02
19481948-01-021948-12-31
19491949-01-091949-12-14
19501950-01-181950-12-25
19511951-01-201951-12-19
19521952-01-061952-10-25
19531953-01-071953-10-30
19541954-01-021954-12-05
19551955-01-211955-10-21
19561956-01-201956-12-21
19571957-01-071957-10-30
19581958-01-291958-11-26
19591959-01-101959-12-18
19611961-01-021961-12-19
19621962-01-011962-12-29
19631963-01-081963-12-29

Every Fixed Threshold

Fixed thresholds at Fortland
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3334195023
25 mm (0.98 in): Days with 25 mm or more rain331319509
50 mm (1.97 in): Days with 50 mm or more rain28419563
100 mm (3.94 in): Days with 100 mm or more rain2119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Fortland 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).