Built 2026-10-19 (19 October 2026)

Boyds 2 NW Threshold Days by Year (USC00181032)

18 fixed thresholds counted per year at Boyds 2 NW (USC00181032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boyds 2 NW Thresholds

  • Boyds 2 NW: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1926 with 139.
  • Boyds 2 NW: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1977 with 33.
  • Boyds 2 NW: nights with a minimum temperature at or above 20 C (68 F) in 58 years, most in 1988 with 40.
  • Boyds 2 NW: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1921 with 84.
  • 18 fixed thresholds have at least one qualifying day at Boyds 2 NW.
57 years with a qualifying day
Days at or above 30 C (86 F) per year at Boyds 2 NW Days per year at Boyds 2 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 1921. 02550751001920: 541921: 841922: 821923: 681924: 521925: 801926: 641927: 501928: 361929: 731931: 681932: 611933: 581934: 561936: 541938: 641941: 541942: 501943: 741944: 591945: 331946: 271947: 401949: 451955: 451956: 381957: 611958: 301960: 351961: 481962: 421963: 411966: 621967: 221968: 421969: 391970: 541971: 351972: 301973: 451974: 401975: 341976: 311977: 551978: 401979: 271980: 661981: 381982: 291983: 641984: 441985: 371986: 601987: 541988: 581989: 321990: 261920192619331943195519621970197619821988
Days per year at Boyds 2 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 1921.
Days at or above 30 C (86 F) per year at Boyds 2 NW
YearDaysDecade average
19205464.3
19218464.3
19228264.3
19236864.3
19245264.3
19258064.3
19266464.3
19275064.3
19283664.3
19297364.3
19316860.2
19326160.2
19335860.2
19345660.2
19365460.2
19386460.2
19415447.8
19425047.8
19437447.8
19445947.8
19453347.8
19462747.8
19474047.8
19494547.8
19554543.5
19563843.5
19576143.5
19583043.5
19603541.4
19614841.4
19624241.4
19634141.4
19666241.4
19672241.4
19684241.4
19693941.4
19705439.1
19713539.1
19723039.1
19734539.1
19744039.1
19753439.1
19763139.1
19775539.1
19784039.1
19792739.1
19806648.2
19813848.2
19822948.2
19836448.2
19844448.2
19853748.2
19866048.2
19875448.2
19885848.2
19893248.2
19902626
First to last qualifying date each year at Boyds 2 NW For each year, a bar from the first to the last day at Boyds 2 NW meeting 30 C (86 F). 1920: 28 May 1920 to 22 October 19201921: 21 March 1921 to 29 September 19211922: 9 April 1922 to 5 October 19221923: 27 May 1923 to 29 September 19231924: 6 May 1924 to 13 September 19241925: 23 April 1925 to 21 September 19251926: 2 May 1926 to 3 October 19261927: 20 April 1927 to 2 October 19271928: 4 May 1928 to 17 October 19281929: 6 April 1929 to 29 September 19291931: 28 May 1931 to 8 October 19311932: 7 May 1932 to 20 September 19321933: 20 May 1933 to 27 September 19331934: 5 May 1934 to 24 August 19341936: 15 April 1936 to 26 August 19361938: 20 April 1938 to 18 October 19381941: 14 April 1941 to 7 October 19411942: 6 April 1942 to 19 September 19421943: 6 May 1943 to 16 September 19431944: 13 May 1944 to 5 September 19441945: 11 June 1945 to 29 September 19451946: 23 April 1946 to 10 September 19461947: 28 May 1947 to 23 October 19471949: 4 May 1949 to 6 September 19491955: 5 May 1955 to 22 August 19551956: 13 May 1956 to 14 September 19561957: 21 April 1957 to 22 September 19571958: 9 June 1958 to 26 September 19581960: 14 April 1960 to 9 September 19601961: 2 June 1961 to 26 September 19611962: 26 April 1962 to 12 October 19621963: 8 May 1963 to 20 September 19631966: 5 June 1966 to 5 September 19661967: 9 June 1967 to 18 August 19671968: 6 June 1968 to 25 September 19681969: 27 April 1969 to 7 September 19691970: 9 May 1970 to 27 September 19701971: 19 May 1971 to 9 September 19711972: 4 June 1972 to 26 September 19721973: 22 April 1973 to 5 September 19731974: 28 April 1974 to 13 September 19741975: 21 May 1975 to 27 August 19751976: 16 April 1976 to 14 September 19761977: 12 April 1977 to 20 September 19771978: 2 June 1978 to 19 September 19781979: 9 May 1979 to 1 September 19791980: 12 May 1980 to 23 September 19801981: 25 May 1981 to 15 September 19811982: 17 May 1982 to 3 September 19821983: 11 June 1983 to 20 September 19831984: 22 May 1984 to 24 September 19841985: 19 April 1985 to 10 September 19851986: 6 May 1986 to 1 October 19861987: 11 May 1987 to 28 August 19871988: 30 May 1988 to 23 September 19881989: 1 June 1989 to 11 September 19891990: 12 March 1990 to 2 September 199019201928194119551966197419821990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boyds 2 NW meeting 30 C (86 F).
First to last qualifying date each year at Boyds 2 NW
YearFirst dateLast date
19201920-05-281920-10-22
19211921-03-211921-09-29
19221922-04-091922-10-05
19231923-05-271923-09-29
19241924-05-061924-09-13
19251925-04-231925-09-21
19261926-05-021926-10-03
19271927-04-201927-10-02
19281928-05-041928-10-17
19291929-04-061929-09-29
19311931-05-281931-10-08
19321932-05-071932-09-20
19331933-05-201933-09-27
19341934-05-051934-08-24
19361936-04-151936-08-26
19381938-04-201938-10-18
19411941-04-141941-10-07
19421942-04-061942-09-19
19431943-05-061943-09-16
19441944-05-131944-09-05
19451945-06-111945-09-29
19461946-04-231946-09-10
19471947-05-281947-10-23
19491949-05-041949-09-06
19551955-05-051955-08-22
19561956-05-131956-09-14
19571957-04-211957-09-22
19581958-06-091958-09-26
19601960-04-141960-09-09
19611961-06-021961-09-26
19621962-04-261962-10-12
19631963-05-081963-09-20
19661966-06-051966-09-05
19671967-06-091967-08-18
19681968-06-061968-09-25
19691969-04-271969-09-07
19701970-05-091970-09-27
19711971-05-191971-09-09
19721972-06-041972-09-26
19731973-04-221973-09-05
19741974-04-281974-09-13
19751975-05-211975-08-27
19761976-04-161976-09-14
19771977-04-121977-09-20
19781978-06-021978-09-19
19791979-05-091979-09-01
19801980-05-121980-09-23
19811981-05-251981-09-15
19821982-05-171982-09-03
19831983-06-111983-09-20
19841984-05-221984-09-24
19851985-04-191985-09-10
19861986-05-061986-10-01
19871987-05-111987-08-28
19881988-05-301988-09-23
19891989-06-011989-09-11
19901990-03-121990-09-02

Every Fixed Threshold

Fixed thresholds at Boyds 2 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5784192126
35 C (95 F): Days401919211
40 C (104 F): Days1119261
90 F (32.2 C): Days575119216
100 F (37.8 C): Days13319231
0 C (32 F): Ice days (max573419784
0 C (32 F): Frost days (min58139192666
-10 C (14 F): Days with min583319773
-20 C (-4 F): Days with min11419341
20 C (68 F): Tropical nights (min5840198821
25 C (77 F): Days with min6219871
10 mm (0.39 in): Days with 10 mm or more rain5751197933
25 mm (0.98 in): Days with 25 mm or more rain571819799
50 mm (1.97 in): Days with 50 mm or more rain42619711
100 mm (3.94 in): Days with 100 mm or more rain7119331
200 mm (7.87 in): Days with 200 mm or more rain1119721
10 cm (3.9 in): Days with 10 cm or more snowfall34719661
25 cm (9.8 in): Days with 25 cm or more snowfall5219872

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Boyds 2 NW 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). Threshold counts are computed by this site.

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