Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Bullfrog Basin Threshold Days by Year (USC00421020)

16 fixed thresholds counted per year at Bullfrog Basin (USC00421020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bullfrog Basin Thresholds

  • Bullfrog Basin: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 2020 with 147.
  • Bullfrog Basin: days with a maximum temperature at or above 35 C (95 F) in 42 years, most in 2018 with 98.
  • Bullfrog Basin: days with a maximum temperature at or above 90 F (32.2 C) in 42 years, most in 2024 with 131.
  • Bullfrog Basin: days with a maximum temperature at or above 100 F (37.8 C) in 42 years, most in 2020 with 68.
  • 16 fixed thresholds have at least one qualifying day at Bullfrog Basin.
42 years with a qualifying day
Days at or above 30 C (86 F) per year at Bullfrog Basin Days per year at Bullfrog Basin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 147 in 2020. 0501001501968: 1151969: 1351970: 1281971: 1121972: 1221973: 1191974: 1221975: 1011976: 1111977: 1151978: 1171979: 1191980: 1191981: 1171982: 1051983: 1121984: 1131998: 951999: 1082000: 1382001: 1172002: 1182004: 1192006: 1182007: 1272010: 1152011: 1112012: 1372013: 1182014: 1172015: 1152016: 1152017: 1192018: 1422019: 1192020: 1472021: 1302022: 1282023: 1302024: 1442025: 1242026: 115196819731978198320012010201520202025
Days per year at Bullfrog Basin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 147 in 2020.
Days at or above 30 C (86 F) per year at Bullfrog Basin
YearDaysDecade average
1968115125
1969135125
1970128116.6
1971112116.6
1972122116.6
1973119116.6
1974122116.6
1975101116.6
1976111116.6
1977115116.6
1978117116.6
1979119116.6
1980119113.2
1981117113.2
1982105113.2
1983112113.2
1984113113.2
199895101.5
1999108101.5
2000138122.8
2001117122.8
2002118122.8
2004119122.8
2006118122.8
2007127122.8
2010115120.8
2011111120.8
2012137120.8
2013118120.8
2014117120.8
2015115120.8
2016115120.8
2017119120.8
2018142120.8
2019119120.8
2020147131.1
2021130131.1
2022128131.1
2023130131.1
2024144131.1
2025124131.1
2026115131.1
First to last qualifying date each year at Bullfrog Basin For each year, a bar from the first to the last day at Bullfrog Basin meeting 30 C (86 F). 1968: 2 May 1968 to 28 September 19681969: 21 April 1969 to 2 October 19691970: 4 May 1970 to 2 October 19701971: 2 May 1971 to 15 October 19711972: 4 May 1972 to 3 October 19721973: 9 May 1973 to 2 October 19731974: 7 May 1974 to 27 September 19741975: 11 May 1975 to 6 October 19751976: 15 May 1976 to 21 September 19761977: 28 April 1977 to 6 October 19771978: 14 May 1978 to 12 October 19781979: 15 May 1979 to 13 October 19791980: 19 April 1980 to 10 October 19801981: 26 April 1981 to 30 September 19811982: 18 May 1982 to 26 September 19821983: 23 May 1983 to 23 September 19831984: 10 May 1984 to 28 September 19841998: 24 April 1998 to 29 September 19981999: 14 May 1999 to 13 October 19992000: 27 April 2000 to 4 October 20002001: 27 April 2001 to 5 October 20012002: 15 May 2002 to 28 September 20022004: 5 May 2004 to 28 September 20042006: 23 April 2006 to 3 October 20062007: 29 April 2007 to 23 September 20072010: 18 May 2010 to 4 October 20102011: 7 May 2011 to 17 October 20112012: 22 April 2012 to 6 October 20122013: 30 April 2013 to 26 September 20132014: 4 May 2014 to 27 September 20142015: 1 May 2015 to 2 October 20152016: 5 May 2016 to 16 October 20162017: 5 May 2017 to 6 October 20172018: 8 April 2018 to 1 October 20182019: 27 April 2019 to 5 October 20192020: 27 April 2020 to 15 October 20202021: 5 April 2021 to 26 September 20212022: 21 April 2022 to 1 October 20222023: 12 April 2023 to 14 October 20232024: 23 April 2024 to 14 October 20242025: 12 April 2025 to 9 October 20252026: 20 March 2026 to 28 September 20261968197419801999200720152021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bullfrog Basin meeting 30 C (86 F).
First to last qualifying date each year at Bullfrog Basin
YearFirst dateLast date
19681968-05-021968-09-28
19691969-04-211969-10-02
19701970-05-041970-10-02
19711971-05-021971-10-15
19721972-05-041972-10-03
19731973-05-091973-10-02
19741974-05-071974-09-27
19751975-05-111975-10-06
19761976-05-151976-09-21
19771977-04-281977-10-06
19781978-05-141978-10-12
19791979-05-151979-10-13
19801980-04-191980-10-10
19811981-04-261981-09-30
19821982-05-181982-09-26
19831983-05-231983-09-23
19841984-05-101984-09-28
19981998-04-241998-09-29
19991999-05-141999-10-13
20002000-04-272000-10-04
20012001-04-272001-10-05
20022002-05-152002-09-28
20042004-05-052004-09-28
20062006-04-232006-10-03
20072007-04-292007-09-23
20102010-05-182010-10-04
20112011-05-072011-10-17
20122012-04-222012-10-06
20132013-04-302013-09-26
20142014-05-042014-09-27
20152015-05-012015-10-02
20162016-05-052016-10-16
20172017-05-052017-10-06
20182018-04-082018-10-01
20192019-04-272019-10-05
20202020-04-272020-10-15
20212021-04-052021-09-26
20222022-04-212022-10-01
20232023-04-122023-10-14
20242024-04-232024-10-14
20252025-04-122025-10-09
20262026-03-202026-09-28

Every Fixed Threshold

Fixed thresholds at Bullfrog Basin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days421472020115
35 C (95 F): Days4298201880
40 C (104 F): Days4134202029
45 C (113 F): Days1220212
90 F (32.2 C): Days42131202497
100 F (37.8 C): Days4268202053
110 F (43.3 C): Days6620212
0 C (32 F): Ice days (max251419731
0 C (32 F): Frost days (min41115202357
-10 C (14 F): Days with min232019685
20 C (68 F): Tropical nights (min4189202254
25 C (77 F): Days with min4022202213
10 mm (0.39 in): Days with 10 mm or more rain421119723
25 mm (0.98 in): Days with 25 mm or more rain13220021
10 cm (3.9 in): Days with 10 cm or more snowfall8219741
25 cm (9.8 in): Days with 25 cm or more snowfall1120231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Bullfrog Basin 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 (2026-10-17).