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Built 2026-10-19 (19 October 2026)

Palmdale AP Threshold Days by Year (USW00023182)

17 fixed thresholds counted per year at Palmdale AP (USW00023182): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palmdale AP Thresholds

  • Palmdale AP: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 2001 with 156.
  • Palmdale AP: days with a maximum temperature at or above 35 C (95 F) in 61 years, most in 1960 with 105.
  • Palmdale AP: days with a maximum temperature at or above 40 C (104 F) in 61 years, most in 2024 with 37.
  • Palmdale AP: days with a maximum temperature at or above 90 F (32.2 C) in 61 years, most in 2020 with 140.
  • 17 fixed thresholds have at least one qualifying day at Palmdale AP.
61 years with a qualifying day
Days at or above 30 C (86 F) per year at Palmdale AP Days per year at Palmdale AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 2001. 0501001502001934: 1331935: 1231936: 1341937: 1291938: 1141939: 1161940: 1351941: 861949: 1311950: 1341951: 1291952: 1281953: 1121954: 1461955: 1191956: 1181957: 1161958: 1401959: 1231960: 1481961: 1321962: 1321963: 1151964: 1391965: 1261966: 1401967: 1221968: 1191969: 1311970: 1241971: 1161972: 1211973: 1361999: 1232000: 1282001: 1562002: 1312003: 1512004: 1382005: 1162006: 1242007: 1402008: 1422009: 1382010: 1232011: 1282012: 1542013: 1342014: 1502015: 1262016: 1292017: 1352018: 1372019: 1292020: 1552021: 1422022: 1462023: 1232024: 1532025: 1292026: 148193419411955196219692001200820152022
Days per year at Palmdale AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 2001.
Days at or above 30 C (86 F) per year at Palmdale AP
YearDaysDecade average
1934133124.8
1935123124.8
1936134124.8
1937129124.8
1938114124.8
1939116124.8
1940135117.3
194186117.3
1949131117.3
1950134126.5
1951129126.5
1952128126.5
1953112126.5
1954146126.5
1955119126.5
1956118126.5
1957116126.5
1958140126.5
1959123126.5
1960148130.4
1961132130.4
1962132130.4
1963115130.4
1964139130.4
1965126130.4
1966140130.4
1967122130.4
1968119130.4
1969131130.4
1970124124.3
1971116124.3
1972121124.3
1973136124.3
1999123123
2000128136.4
2001156136.4
2002131136.4
2003151136.4
2004138136.4
2005116136.4
2006124136.4
2007140136.4
2008142136.4
2009138136.4
2010123134.5
2011128134.5
2012154134.5
2013134134.5
2014150134.5
2015126134.5
2016129134.5
2017135134.5
2018137134.5
2019129134.5
2020155142.3
2021142142.3
2022146142.3
2023123142.3
2024153142.3
2025129142.3
2026148142.3
First to last qualifying date each year at Palmdale AP For each year, a bar from the first to the last day at Palmdale AP meeting 30 C (86 F). 1934: 30 March 1934 to 29 October 19341935: 20 April 1935 to 10 October 19351936: 8 April 1936 to 14 October 19361937: 24 April 1937 to 26 October 19371938: 18 April 1938 to 1 October 19381939: 8 April 1939 to 30 October 19391940: 12 April 1940 to 21 October 19401941: 9 May 1941 to 1 October 19411949: 11 April 1949 to 29 October 19491950: 17 April 1950 to 6 November 19501951: 9 April 1951 to 19 October 19511952: 1 May 1952 to 22 October 19521953: 23 April 1953 to 9 October 19531954: 13 April 1954 to 22 October 19541955: 10 May 1955 to 10 November 19551956: 2 May 1956 to 1 October 19561957: 4 May 1957 to 30 September 19571958: 20 April 1958 to 19 October 19581959: 1 April 1959 to 25 October 19591960: 4 April 1960 to 1 November 19601961: 2 April 1961 to 19 October 19611962: 12 April 1962 to 25 October 19621963: 30 April 1963 to 10 October 19631964: 14 April 1964 to 22 October 19641965: 19 April 1965 to 22 October 19651966: 31 March 1966 to 9 October 19661967: 8 May 1967 to 25 October 19671968: 30 April 1968 to 28 October 19681969: 30 March 1969 to 8 October 19691970: 3 May 1970 to 12 October 19701971: 12 May 1971 to 14 October 19711972: 6 March 1972 to 30 September 19721973: 25 April 1973 to 19 October 19731999: 18 April 1999 to 21 October 19992000: 3 April 2000 to 6 October 20002001: 17 April 2001 to 20 October 20012002: 31 March 2002 to 10 October 20022003: 12 May 2003 to 28 October 20032004: 20 March 2004 to 15 October 20042005: 13 May 2005 to 14 October 20052006: 28 April 2006 to 30 September 20062007: 12 March 2007 to 19 October 20072008: 13 April 2008 to 29 October 20082009: 19 April 2009 to 24 October 20092010: 15 May 2010 to 16 October 20102011: 31 March 2011 to 23 October 20112012: 19 April 2012 to 19 October 20122013: 14 March 2013 to 1 October 20132014: 8 April 2014 to 24 October 20142015: 27 March 2015 to 1 November 20152016: 5 April 2016 to 22 October 20162017: 22 April 2017 to 24 November 20172018: 10 April 2018 to 28 October 20182019: 8 April 2019 to 26 October 20192020: 24 April 2020 to 4 November 20202021: 2 April 2021 to 4 October 20212022: 24 March 2022 to 21 October 20222023: 26 April 2023 to 5 November 20232024: 20 April 2024 to 27 October 20242025: 25 March 2025 to 10 October 20252026: 16 March 2026 to 9 October 202619341949195719651973200620142022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Palmdale AP meeting 30 C (86 F).
First to last qualifying date each year at Palmdale AP
YearFirst dateLast date
19341934-03-301934-10-29
19351935-04-201935-10-10
19361936-04-081936-10-14
19371937-04-241937-10-26
19381938-04-181938-10-01
19391939-04-081939-10-30
19401940-04-121940-10-21
19411941-05-091941-10-01
19491949-04-111949-10-29
19501950-04-171950-11-06
19511951-04-091951-10-19
19521952-05-011952-10-22
19531953-04-231953-10-09
19541954-04-131954-10-22
19551955-05-101955-11-10
19561956-05-021956-10-01
19571957-05-041957-09-30
19581958-04-201958-10-19
19591959-04-011959-10-25
19601960-04-041960-11-01
19611961-04-021961-10-19
19621962-04-121962-10-25
19631963-04-301963-10-10
19641964-04-141964-10-22
19651965-04-191965-10-22
19661966-03-311966-10-09
19671967-05-081967-10-25
19681968-04-301968-10-28
19691969-03-301969-10-08
19701970-05-031970-10-12
19711971-05-121971-10-14
19721972-03-061972-09-30
19731973-04-251973-10-19
19991999-04-181999-10-21
20002000-04-032000-10-06
20012001-04-172001-10-20
20022002-03-312002-10-10
20032003-05-122003-10-28
20042004-03-202004-10-15
20052005-05-132005-10-14
20062006-04-282006-09-30
20072007-03-122007-10-19
20082008-04-132008-10-29
20092009-04-192009-10-24
20102010-05-152010-10-16
20112011-03-312011-10-23
20122012-04-192012-10-19
20132013-03-142013-10-01
20142014-04-082014-10-24
20152015-03-272015-11-01
20162016-04-052016-10-22
20172017-04-222017-11-24
20182018-04-102018-10-28
20192019-04-082019-10-26
20202020-04-242020-11-04
20212021-04-022021-10-04
20222022-03-242022-10-21
20232023-04-262023-11-05
20242024-04-202024-10-27
20252025-03-252025-10-10
20262026-03-162026-10-09

Every Fixed Threshold

Fixed thresholds at Palmdale AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days611562001148
35 C (95 F): Days61105196074
40 C (104 F): Days6137202414
45 C (113 F): Days3320243
90 F (32.2 C): Days611402020112
100 F (37.8 C): Days6169202439
110 F (43.3 C): Days18819617
0 C (32 F): Ice days (max4519372
0 C (32 F): Frost days (min61108197119
-10 C (14 F): Days with min21719492
20 C (68 F): Tropical nights (min6167202250
25 C (77 F): Days with min361120214
10 mm (0.39 in): Days with 10 mm or more rain521219522
25 mm (0.98 in): Days with 25 mm or more rain26319521
50 mm (1.97 in): Days with 50 mm or more rain6119651
10 cm (3.9 in): Days with 10 cm or more snowfall8219492
25 cm (9.8 in): Days with 25 cm or more snowfall2119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

  • Data for Palmdale AP 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).