Daily records
Page built 2026-10-17
Data as of 2025-12-31
Search
Built 2026-10-17 (17 October 2026)

Blue Mountain Threshold Days by Year

5 fixed thresholds counted per year at Blue Mountain (ASN00033006): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blue Mountain Thresholds

  • Blue Mountain: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1936 with 45.
  • Blue Mountain: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1936 with 26.
  • Blue Mountain: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1918 with 8.
  • Blue Mountain: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1918 with 5.
  • 5 fixed thresholds have at least one qualifying day at Blue Mountain.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Blue Mountain Days per year at Blue Mountain with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1936. 02040601914: 311915: 151916: 311917: 371918: 361919: 181920: 311921: 351922: 231923: 121924: 291925: 241926: 221927: 301928: 291929: 281930: 281931: 241933: 391934: 261935: 211936: 451937: 191938: 281939: 331940: 281941: 341942: 371943: 331944: 221945: 221946: 201947: 281948: 171949: 27191419181922192619301935193919431947
Days per year at Blue Mountain with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1936.
Days with 10 mm (0.39 in) or more of precipitation per year at Blue Mountain
YearDaysDecade average
19143128
19151528
19163128
19173728
19183628
19191828
19203126.3
19213526.3
19222326.3
19231226.3
19242926.3
19252426.3
19262226.3
19273026.3
19282926.3
19292826.3
19302829.2
19312429.2
19333929.2
19342629.2
19352129.2
19364529.2
19371929.2
19382829.2
19393329.2
19402826.8
19413426.8
19423726.8
19433326.8
19442226.8
19452226.8
19462026.8
19472826.8
19481726.8
19492726.8
First to last qualifying date each year at Blue Mountain For each year, a bar from the first to the last day at Blue Mountain meeting 10 mm (0.39 in). 1914: 21 January 1914 to 29 December 19141915: 22 January 1915 to 30 December 19151916: 24 January 1916 to 31 December 19161917: 5 January 1917 to 25 December 19171918: 4 January 1918 to 28 December 19181919: 3 January 1919 to 12 June 19191920: 5 January 1920 to 22 December 19201921: 1 January 1921 to 31 December 19211922: 7 January 1922 to 22 December 19221923: 2 January 1923 to 28 December 19231924: 26 January 1924 to 18 December 19241925: 16 January 1925 to 31 December 19251926: 5 January 1926 to 22 December 19261927: 8 January 1927 to 29 November 19271928: 16 January 1928 to 24 December 19281929: 3 January 1929 to 29 December 19291930: 1 January 1930 to 5 December 19301931: 11 January 1931 to 31 December 19311933: 23 January 1933 to 17 December 19331934: 22 January 1934 to 31 December 19341935: 5 January 1935 to 8 December 19351936: 7 January 1936 to 28 December 19361937: 3 January 1937 to 16 December 19371938: 8 January 1938 to 13 December 19381939: 18 January 1939 to 29 December 19391940: 3 January 1940 to 30 December 19401941: 4 January 1941 to 31 December 19411942: 1 January 1942 to 31 December 19421943: 1 January 1943 to 30 December 19431944: 3 January 1944 to 11 December 19441945: 3 January 1945 to 20 December 19451946: 8 January 1946 to 9 December 19461947: 15 January 1947 to 17 November 19471948: 3 January 1948 to 31 December 19481949: 6 January 1949 to 24 December 19491914191919241929193519401945JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blue Mountain meeting 10 mm (0.39 in).
First to last qualifying date each year at Blue Mountain
YearFirst dateLast date
19141914-01-211914-12-29
19151915-01-221915-12-30
19161916-01-241916-12-31
19171917-01-051917-12-25
19181918-01-041918-12-28
19191919-01-031919-06-12
19201920-01-051920-12-22
19211921-01-011921-12-31
19221922-01-071922-12-22
19231923-01-021923-12-28
19241924-01-261924-12-18
19251925-01-161925-12-31
19261926-01-051926-12-22
19271927-01-081927-11-29
19281928-01-161928-12-24
19291929-01-031929-12-29
19301930-01-011930-12-05
19311931-01-111931-12-31
19331933-01-231933-12-17
19341934-01-221934-12-31
19351935-01-051935-12-08
19361936-01-071936-12-28
19371937-01-031937-12-16
19381938-01-081938-12-13
19391939-01-181939-12-29
19401940-01-031940-12-30
19411941-01-041941-12-31
19421942-01-011942-12-31
19431943-01-011943-12-30
19441944-01-031944-12-11
19451945-01-031945-12-20
19461946-01-081946-12-09
19471947-01-151947-11-17
19481948-01-031948-12-31
19491949-01-061949-12-24

Every Fixed Threshold

Fixed thresholds at Blue Mountain
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3545193627
25 mm (0.98 in): Days with 25 mm or more rain352619368
50 mm (1.97 in): Days with 50 mm or more rain33819184
100 mm (3.94 in): Days with 100 mm or more rain18519181
200 mm (7.87 in): Days with 200 mm or more rain2319181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for Blue Mountain 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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