Built 2026-10-19 (19 October 2026)

Walden 2 NE Threshold Days by Year (USC00308902)

17 fixed thresholds counted per year at Walden 2 NE (USC00308902): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walden 2 NE Thresholds

  • Walden 2 NE: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1934 with 51.
  • Walden 2 NE: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1940 with 17.
  • Walden 2 NE: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1947 with 179.
  • Walden 2 NE: nights with a minimum temperature at or below -10 C (14 F) in 33 years, most in 1926 with 60.
  • 17 fixed thresholds have at least one qualifying day at Walden 2 NE.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Walden 2 NE Days per year at Walden 2 NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1929. 0204060801926: 191927: 311929: 721930: 371931: 311932: 321933: 341934: 241935: 231936: 271937: 281938: 391939: 451940: 251941: 371942: 261943: 431944: 511945: 251946: 251947: 301948: 281949: 421950: 161951: 171952: 381953: 441954: 211955: 451956: 171957: 341958: 1619261931193519391943194719511955
Days per year at Walden 2 NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1929.
Days at or above 30 C (86 F) per year at Walden 2 NE
YearDaysDecade average
19261940.7
19273140.7
19297240.7
19303732
19313132
19323232
19333432
19342432
19352332
19362732
19372832
19383932
19394532
19402533.2
19413733.2
19422633.2
19434333.2
19445133.2
19452533.2
19462533.2
19473033.2
19482833.2
19494233.2
19501627.6
19511727.6
19523827.6
19534427.6
19542127.6
19554527.6
19561727.6
19573427.6
19581627.6
First to last qualifying date each year at Walden 2 NE For each year, a bar from the first to the last day at Walden 2 NE meeting 30 C (86 F). 1926: 3 July 1926 to 31 August 19261927: 20 April 1927 to 2 October 19271929: 7 April 1929 to 10 September 19291930: 6 May 1930 to 29 August 19301931: 29 May 1931 to 22 September 19311932: 25 May 1932 to 5 September 19321933: 26 May 1933 to 13 August 19331934: 21 May 1934 to 10 August 19341935: 28 May 1935 to 17 August 19351936: 8 May 1936 to 17 August 19361937: 1 June 1937 to 4 September 19371938: 28 April 1938 to 22 August 19381939: 6 May 1939 to 24 August 19391940: 4 June 1940 to 10 August 19401941: 20 April 1941 to 5 October 19411942: 30 May 1942 to 16 September 19421943: 3 June 1943 to 7 September 19431944: 5 May 1944 to 3 September 19441945: 14 June 1945 to 8 September 19451946: 25 May 1946 to 20 September 19461947: 24 May 1947 to 14 September 19471948: 24 June 1948 to 18 September 19481949: 5 May 1949 to 10 October 19491950: 8 June 1950 to 29 August 19501951: 15 May 1951 to 12 September 19511952: 9 June 1952 to 13 September 19521953: 10 May 1953 to 5 September 19531954: 19 June 1954 to 7 September 19541955: 5 May 1955 to 22 August 19551956: 31 May 1956 to 19 August 19561957: 9 May 1957 to 13 September 19571958: 30 June 1958 to 15 September 195819261931193519391943194719511955JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Walden 2 NE meeting 30 C (86 F).
First to last qualifying date each year at Walden 2 NE
YearFirst dateLast date
19261926-07-031926-08-31
19271927-04-201927-10-02
19291929-04-071929-09-10
19301930-05-061930-08-29
19311931-05-291931-09-22
19321932-05-251932-09-05
19331933-05-261933-08-13
19341934-05-211934-08-10
19351935-05-281935-08-17
19361936-05-081936-08-17
19371937-06-011937-09-04
19381938-04-281938-08-22
19391939-05-061939-08-24
19401940-06-041940-08-10
19411941-04-201941-10-05
19421942-05-301942-09-16
19431943-06-031943-09-07
19441944-05-051944-09-03
19451945-06-141945-09-08
19461946-05-251946-09-20
19471947-05-241947-09-14
19481948-06-241948-09-18
19491949-05-051949-10-10
19501950-06-081950-08-29
19511951-05-151951-09-12
19521952-06-091952-09-13
19531953-05-101953-09-05
19541954-06-191954-09-07
19551955-05-051955-08-22
19561956-05-311956-08-19
19571957-05-091957-09-13
19581958-06-301958-09-15

Every Fixed Threshold

Fixed thresholds at Walden 2 NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3272192916
35 C (95 F): Days20919294
90 F (32.2 C): Days304719292
100 F (37.8 C): Days7319532
0 C (32 F): Ice days (max3255195855
0 C (32 F): Frost days (min331791947137
-10 C (14 F): Days with min3360192648
-20 C (-4 F): Days with min201919489
-30 C (-22 F): Days with min2319483
20 C (68 F): Tropical nights (min332219385
10 mm (0.39 in): Days with 10 mm or more rain3751193437
25 mm (0.98 in): Days with 25 mm or more rain3717194013
50 mm (1.97 in): Days with 50 mm or more rain29719381
100 mm (3.94 in): Days with 100 mm or more rain4219552
200 mm (7.87 in): Days with 200 mm or more rain1119301
10 cm (3.9 in): Days with 10 cm or more snowfall32919454
25 cm (9.8 in): Days with 25 cm or more snowfall10219342

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

  • Data for Walden 2 NE 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).