Built 2026-10-19 (19 October 2026)

Blackbutte 1 N Threshold Days by Year (USC00350781)

14 fixed thresholds counted per year at Blackbutte 1 N (USC00350781): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blackbutte 1 N Thresholds

  • Blackbutte 1 N: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1945 with 65.
  • Blackbutte 1 N: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1951 with 22.
  • Blackbutte 1 N: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1901 with 5.
  • Blackbutte 1 N: nights with a minimum temperature at or below 0 C (32 F) in 11 years, most in 1911 with 142.
  • 14 fixed thresholds have at least one qualifying day at Blackbutte 1 N.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Blackbutte 1 N Days per year at Blackbutte 1 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1904. 01020301901: 201902: 271903: 51904: 281905: 231909: 61910: 41911: 71912: 81913: 81901190219031904190519091910191119121913
Days per year at Blackbutte 1 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1904.
Days at or above 30 C (86 F) per year at Blackbutte 1 N
YearDaysDecade average
19012018.2
19022718.2
1903518.2
19042818.2
19052318.2
1909618.2
191046.8
191176.8
191286.8
191386.8
First to last qualifying date each year at Blackbutte 1 N For each year, a bar from the first to the last day at Blackbutte 1 N meeting 30 C (86 F). 1901: 25 May 1901 to 22 August 19011902: 8 June 1902 to 12 September 19021903: 6 June 1903 to 3 September 19031904: 26 June 1904 to 17 August 19041905: 7 July 1905 to 20 August 19051909: 2 May 1909 to 5 September 19091910: 10 June 1910 to 11 July 19101911: 12 July 1911 to 18 July 19111912: 15 May 1912 to 21 August 19121913: 18 July 1913 to 24 August 191319011903190519101912JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blackbutte 1 N meeting 30 C (86 F).
First to last qualifying date each year at Blackbutte 1 N
YearFirst dateLast date
19011901-05-251901-08-22
19021902-06-081902-09-12
19031903-06-061903-09-03
19041904-06-261904-08-17
19051905-07-071905-08-20
19091909-05-021909-09-05
19101910-06-101910-07-11
19111911-07-121911-07-18
19121912-05-151912-08-21
19131913-07-181913-08-24

Every Fixed Threshold

Fixed thresholds at Blackbutte 1 N
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days102819048
35 C (95 F): Days6619022
90 F (32.2 C): Days101719021
100 F (37.8 C): Days1219012
0 C (32 F): Ice days (max3419091
0 C (32 F): Frost days (min111421911124
-10 C (14 F): Days with min5319092
20 C (68 F): Tropical nights (min2119021
10 mm (0.39 in): Days with 10 mm or more rain3365194554
25 mm (0.98 in): Days with 25 mm or more rain3322195122
50 mm (1.97 in): Days with 50 mm or more rain31519015
100 mm (3.94 in): Days with 100 mm or more rain5219612
10 cm (3.9 in): Days with 10 cm or more snowfall11919501
25 cm (9.8 in): Days with 25 cm or more snowfall2119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Blackbutte 1 N 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).