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Built 2026-10-19 (19 October 2026)

Hardy Rs Threshold Days by Year (USC00393572)

13 fixed thresholds counted per year at Hardy Rs (USC00393572): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hardy Rs Thresholds

  • Hardy Rs: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1920 with 27.
  • Hardy Rs: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1929 with 7.
  • Hardy Rs: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 1950 with 13.
  • Hardy Rs: days with 25 cm (9.8 in) or more of snowfall in 9 years, most in 1911 with 4.
  • 13 fixed thresholds have at least one qualifying day at Hardy Rs.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hardy Rs Days per year at Hardy Rs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1920. 01020301911: 231913: 171917: 101918: 261919: 131920: 271923: 181924: 71925: 211926: 141927: 121928: 101929: 161930: 131931: 141932: 201933: 131934: 101935: 81936: 41937: 131938: 141939: 151942: 181943: 151949: 121950: 18191119181923192619291932193519381943
Days per year at Hardy Rs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1920.
Days with 10 mm (0.39 in) or more of precipitation per year at Hardy Rs
YearDaysDecade average
19112317.8
19131717.8
19171017.8
19182617.8
19191317.8
19202715.6
19231815.6
1924715.6
19252115.6
19261415.6
19271215.6
19281015.6
19291615.6
19301312.4
19311412.4
19322012.4
19331312.4
19341012.4
1935812.4
1936412.4
19371312.4
19381412.4
19391512.4
19421815
19431515
19491215
19501818
First to last qualifying date each year at Hardy Rs For each year, a bar from the first to the last day at Hardy Rs meeting 10 mm (0.39 in). 1911: 2 January 1911 to 25 November 19111913: 3 January 1913 to 5 October 19131917: 6 February 1917 to 7 December 19171918: 1 April 1918 to 10 December 19181919: 2 April 1919 to 25 October 19191920: 16 January 1920 to 31 October 19201923: 3 May 1923 to 17 October 19231924: 11 January 1924 to 25 November 19241925: 3 January 1925 to 25 October 19251926: 4 January 1926 to 17 November 19261927: 31 March 1927 to 16 December 19271928: 29 January 1928 to 13 September 19281929: 22 February 1929 to 28 November 19291930: 6 March 1930 to 12 December 19301931: 11 January 1931 to 30 December 19311932: 6 January 1932 to 24 December 19321933: 18 January 1933 to 23 November 19331934: 5 January 1934 to 19 October 19341935: 10 April 1935 to 13 December 19351936: 29 March 1936 to 26 September 19361937: 3 January 1937 to 10 December 19371938: 12 January 1938 to 25 December 19381939: 14 January 1939 to 29 December 19391942: 18 April 1942 to 11 December 19421943: 15 March 1943 to 6 November 19431949: 4 January 1949 to 11 December 19491950: 18 March 1950 to 29 September 19501911191919251929193319371943JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hardy Rs meeting 10 mm (0.39 in).
First to last qualifying date each year at Hardy Rs
YearFirst dateLast date
19111911-01-021911-11-25
19131913-01-031913-10-05
19171917-02-061917-12-07
19181918-04-011918-12-10
19191919-04-021919-10-25
19201920-01-161920-10-31
19231923-05-031923-10-17
19241924-01-111924-11-25
19251925-01-031925-10-25
19261926-01-041926-11-17
19271927-03-311927-12-16
19281928-01-291928-09-13
19291929-02-221929-11-28
19301930-03-061930-12-12
19311931-01-111931-12-30
19321932-01-061932-12-24
19331933-01-181933-11-23
19341934-01-051934-10-19
19351935-04-101935-12-13
19361936-03-291936-09-26
19371937-01-031937-12-10
19381938-01-121938-12-25
19391939-01-141939-12-29
19421942-04-181942-12-11
19431943-03-151943-11-06
19491949-01-041949-12-11
19501950-03-181950-09-29

Every Fixed Threshold

Fixed thresholds at Hardy Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1619496
90 F (32.2 C): Days1119491
0 C (32 F): Ice days (max286195086
0 C (32 F): Frost days (min22481950248
-10 C (14 F): Days with min21241950124
-20 C (-4 F): Days with min248195048
-30 C (-22 F): Days with min21119498
10 mm (0.39 in): Days with 10 mm or more rain2727192018
25 mm (0.98 in): Days with 25 mm or more rain20719293
50 mm (1.97 in): Days with 50 mm or more rain8119181
10 cm (3.9 in): Days with 10 cm or more snowfall1213195013
25 cm (9.8 in): Days with 25 cm or more snowfall9419114
50 cm (19.7 in): Days with 50 cm or more snowfall2119411

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Hardy Rs 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).