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Built 2026-10-19 (19 October 2026)

Rocksprings Threshold Days by Year (USC00417706)

16 fixed thresholds counted per year at Rocksprings (USC00417706): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rocksprings Thresholds

  • Rocksprings: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1949 with 31.
  • Rocksprings: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1971 with 13.
  • Rocksprings: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1960 with 153.
  • Rocksprings: days with a maximum temperature at or above 35 C (95 F) in 53 years, most in 2023 with 80.
  • 16 fixed thresholds have at least one qualifying day at Rocksprings.
53 years with a qualifying day
Days at or above 30 C (86 F) per year at Rocksprings Days per year at Rocksprings with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 153 in 1960. 0501001502001933: 1191943: 1181944: 1111945: 1421946: 1271947: 1521948: 1451949: 1021950: 1401959: 1171960: 1531963: 1411964: 901965: 1161967: 1251968: 1031970: 1111971: 1131972: 1221973: 1211974: 1171975: 951976: 911977: 1301978: 1421979: 1361980: 1461981: 1041982: 1361983: 1251984: 1451985: 1151992: 1021993: 1171994: 1191995: 1191996: 1351997: 1041998: 1341999: 1172000: 1352001: 1182006: 1122008: 1172009: 1162010: 1102016: 1152018: 1142019: 1352020: 1292021: 1192023: 1372025: 112193319481964197219781984199620062019
Days per year at Rocksprings with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 153 in 1960.
Days at or above 30 C (86 F) per year at Rocksprings
YearDaysDecade average
1933119119
1943118128.1
1944111128.1
1945142128.1
1946127128.1
1947152128.1
1948145128.1
1949102128.1
1950140128.5
1959117128.5
1960153121.3
1963141121.3
196490121.3
1965116121.3
1967125121.3
1968103121.3
1970111117.8
1971113117.8
1972122117.8
1973121117.8
1974117117.8
197595117.8
197691117.8
1977130117.8
1978142117.8
1979136117.8
1980146128.5
1981104128.5
1982136128.5
1983125128.5
1984145128.5
1985115128.5
1992102118.4
1993117118.4
1994119118.4
1995119118.4
1996135118.4
1997104118.4
1998134118.4
1999117118.4
2000135119.6
2001118119.6
2006112119.6
2008117119.6
2009116119.6
2010110118.5
2016115118.5
2018114118.5
2019135118.5
2020129124.3
2021119124.3
2023137124.3
2025112124.3
First to last qualifying date each year at Rocksprings For each year, a bar from the first to the last day at Rocksprings meeting 30 C (86 F). 1933: 13 March 1933 to 25 October 19331943: 23 January 1943 to 21 September 19431944: 17 April 1944 to 7 October 19441945: 2 April 1945 to 1 November 19451946: 14 March 1946 to 22 September 19461947: 1 April 1947 to 31 October 19471948: 5 April 1948 to 14 October 19481949: 8 April 1949 to 28 November 19491950: 24 March 1950 to 8 November 19501959: 12 May 1959 to 22 October 19591960: 29 March 1960 to 15 October 19601963: 9 February 1963 to 12 October 19631964: 3 April 1964 to 20 September 19641965: 3 April 1965 to 26 November 19651967: 30 January 1967 to 13 September 19671968: 18 April 1968 to 13 October 19681970: 16 April 1970 to 8 October 19701971: 21 March 1971 to 17 September 19711972: 26 February 1972 to 12 November 19721973: 23 April 1973 to 3 October 19731974: 3 March 1974 to 12 September 19741975: 23 March 1975 to 19 September 19751976: 26 March 1976 to 28 September 19761977: 14 March 1977 to 21 October 19771978: 6 April 1978 to 11 October 19781979: 9 April 1979 to 26 October 19791980: 2 April 1980 to 9 November 19801981: 1 May 1981 to 16 November 19811982: 12 March 1982 to 30 October 19821983: 18 April 1983 to 8 October 19831984: 26 March 1984 to 7 October 19841985: 11 March 1985 to 25 September 19851992: 12 April 1992 to 27 October 19921993: 26 March 1993 to 18 October 19931994: 7 March 1994 to 23 October 19941995: 23 March 1995 to 28 October 19951996: 20 February 1996 to 21 October 19961997: 21 April 1997 to 5 October 19971998: 25 March 1998 to 2 October 19981999: 9 April 1999 to 16 October 19992000: 19 January 2000 to 6 October 20002001: 16 April 2001 to 25 October 20012006: 2 March 2006 to 1 October 20062008: 26 February 2008 to 4 October 20082009: 26 February 2009 to 16 October 20092010: 5 May 2010 to 2 November 20102016: 14 March 2016 to 18 October 20162018: 10 March 2018 to 25 September 20182019: 9 April 2019 to 15 December 20192020: 25 March 2020 to 18 October 20202021: 8 April 2021 to 25 December 20212023: 1 March 2023 to 21 October 20232025: 12 March 2025 to 24 August 202519331949196719751982199520062020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rocksprings meeting 30 C (86 F).
First to last qualifying date each year at Rocksprings
YearFirst dateLast date
19331933-03-131933-10-25
19431943-01-231943-09-21
19441944-04-171944-10-07
19451945-04-021945-11-01
19461946-03-141946-09-22
19471947-04-011947-10-31
19481948-04-051948-10-14
19491949-04-081949-11-28
19501950-03-241950-11-08
19591959-05-121959-10-22
19601960-03-291960-10-15
19631963-02-091963-10-12
19641964-04-031964-09-20
19651965-04-031965-11-26
19671967-01-301967-09-13
19681968-04-181968-10-13
19701970-04-161970-10-08
19711971-03-211971-09-17
19721972-02-261972-11-12
19731973-04-231973-10-03
19741974-03-031974-09-12
19751975-03-231975-09-19
19761976-03-261976-09-28
19771977-03-141977-10-21
19781978-04-061978-10-11
19791979-04-091979-10-26
19801980-04-021980-11-09
19811981-05-011981-11-16
19821982-03-121982-10-30
19831983-04-181983-10-08
19841984-03-261984-10-07
19851985-03-111985-09-25
19921992-04-121992-10-27
19931993-03-261993-10-18
19941994-03-071994-10-23
19951995-03-231995-10-28
19961996-02-201996-10-21
19971997-04-211997-10-05
19981998-03-251998-10-02
19991999-04-091999-10-16
20002000-01-192000-10-06
20012001-04-162001-10-25
20062006-03-022006-10-01
20082008-02-262008-10-04
20092009-02-262009-10-16
20102010-05-052010-11-02
20162016-03-142016-10-18
20182018-03-102018-09-25
20192019-04-092019-12-15
20202020-03-252020-10-18
20212021-04-082021-12-25
20232023-03-012023-10-21
20252025-03-122025-08-24

Every Fixed Threshold

Fixed thresholds at Rocksprings
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days531531960112
35 C (95 F): Days5380202310
40 C (104 F): Days13519803
90 F (32.2 C): Days53118194572
100 F (37.8 C): Days413020231
0 C (32 F): Ice days (max29620212
0 C (32 F): Frost days (min526019639
-10 C (14 F): Days with min26619481
20 C (68 F): Tropical nights (min52127201892
25 C (77 F): Days with min13620231
10 mm (0.39 in): Days with 10 mm or more rain6331194913
25 mm (0.98 in): Days with 25 mm or more rain631319713
50 mm (1.97 in): Days with 50 mm or more rain49819811
100 mm (3.94 in): Days with 100 mm or more rain12219812
10 cm (3.9 in): Days with 10 cm or more snowfall1219732
25 cm (9.8 in): Days with 25 cm or more snowfall1119731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Rocksprings 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).