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

Heat wave in United States, 21 to 28 October 2019

Heat wave in United States, 21 to 28 October 2019: 107 records at 95 stations, peak on 24 October 2019. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Heat wave in United States, 21 to 28 October 2019 set or tied 107 station records at 95 stations.
  • It ran from 21 October 2019 to 28 October 2019 (8 days) and its peak day was 24 October 2019.
  • Status: closed.
  • Santa Rosa set a daily record high minimum temperature of 18.3 C (64.9 F) on 24 October 2019.
  • The busiest day was 24 October 2019 with 28 records.
  • The oldest broken record in the ranked list had stood for 124 years.

Footprint

21 to 28 October 2019
Footprint of Heat wave in United States, 21 to 28 October 2019 The area covered by Heat wave in United States, 21 to 28 October 2019 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in United States, 21 to 28 October 2019 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in United States, 21 to 28 October 2019: stations that set records in the event
StationTypeValueDate
Santa RosaRecord high minimum temperature18.3 C (64.9 F)2019-10-24
Davis 2 WSW Exp FarmRecord high minimum temperature15.6 C (60.1 F)2019-10-23
LivermoreRecord high minimum temperature15.6 C (60.1 F)2019-10-24
Petaluma APRecord high minimum temperature16.7 C (62.1 F)2019-10-24
Tejon RanchoRecord high minimum temperature19.4 C (66.9 F)2019-10-26
Red Bluff Muni APRecord high minimum temperature21.1 C (70.0 F)2019-10-23
Woodland 1 WNWRecord high minimum temperature19.4 C (66.9 F)2019-10-23
ProsserRecord high maximum temperature23.3 C (73.9 F)2019-10-27
Oakland MuseumRecord high minimum temperature20.0 C (68.0 F)2019-10-24
Chief Joseph DamRecord high maximum temperature22.8 C (73.0 F)2019-10-25
WenatcheeRecord high maximum temperature22.2 C (72.0 F)2019-10-26
San Luis Obispo PolyRecord high minimum temperature21.7 C (71.1 F)2019-10-22
RichmondRecord high minimum temperature17.2 C (63.0 F)2019-10-24
Oakland Intl APRecord high minimum temperature18.3 C (64.9 F)2019-10-24
Kalispell Glacier APRecord high maximum temperature21.1 C (70.0 F)2019-10-25
Antioch Pumping Plt #3Record high minimum temperature17.8 C (64.0 F)2019-10-23
FairfieldRecord high minimum temperature23.9 C (75.0 F)2019-10-24
Moses Lake Grant Co APRecord high maximum temperature22.8 C (73.0 F)2019-10-25
Angwin Pacific Union CollegeRecord high minimum temperature17.2 C (63.0 F)2019-10-22

Records per Day

Peak day 28
Records per day during Heat wave in United States, 21 to 28 October 2019 Records set or tied each day from 21 October 2019 to 28 October 2019. The most in one day was 28 on 24 October 2019. 0 8 15 23 30 10-2110-2210-2310-2410-2510-2610-2710-28
Records set or tied each day from 21 October 2019 to 28 October 2019. The most in one day was 28 on 24 October 2019.
Records per day during Heat wave in United States, 21 to 28 October 2019
DateRecords
2019-10-217
2019-10-2213
2019-10-2313
2019-10-2428
2019-10-2524
2019-10-2615
2019-10-275
2019-10-282

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in United States, 21 to 28 October 2019 ranked by margin
Santa Rosa, 10-245.0 C (9.0 F)
Woodland 1 WNW, 10-235.0 C (9.0 F)
Davis 2 WSW Exp Farm, 10-245.0 C (9.0 F)
Red Bluff Muni AP, 10-233.9 C (7.0 F)
Antioch Pumping Plt #3, 10-233.4 C (6.1 F)
Fairfield, 10-243.3 C (5.9 F)
Chief Joseph Dam, 10-252.8 C (5.0 F)
Prosser, 10-272.2 C (4.0 F)
Davis 2 WSW Exp Farm, 10-231.7 C (3.1 F)
Livermore, 10-241.7 C (3.1 F)
Petaluma AP, 10-241.7 C (3.1 F)
San Luis Obispo Poly, 10-221.7 C (3.1 F)
Angwin Pacific Union College, 10-221.6 C (2.9 F)
Oakland Museum, 10-241.1 C (2.0 F)
Richmond, 10-241.1 C (2.0 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Heat wave in United States, 21 to 28 October 2019 107 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 38 75 113 150 0.01.32.53.85.0 Margin (C) Years the old record stood
107 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Heat wave in United States, 21 to 28 October 2019
Margin (C)Years the old record stood
5.0112
1.7124
1.798
1.789
0.5101
3.960
5.036
5.036
2.274
1.140
2.866
0.573
1.160
1.753
0.540
0.564
3.436
3.31
1.164
1.653
2.836
1.115
1.746
1.253
1.254
0.660
1.737
0.656
0.553
0.653
0.553
0.652
1.144
0.636
2.336
1.641
1.133
2.234
1.136
5.01
0.636
1.140
0.632
1.140
1.632
1.132
1.120
1.632
1.125
0.632
0.64
0.517
0.529
2.81
0.630
0.616
0.536
1.728
1.130
1.61
0.632
3.91
1.11
1.120
1.116
1.11
0.632
2.220
1.528
1.74
1.11
1.716
0.629
1.224
0.629
0.628
1.116
1.112
1.78
0.64
2.210
1.718
0.226
0.328
1.71
0.68
1.11
0.68
0.620
1.616
0.324
0.510
1.413
1.61
0.613
0.713
0.51
1.18
0.50
0.68
1.62
0.410
0.58
0.62
0.54
0.51
0.35

Compared With Other Events

Station records per event
Station records in Heat wave in United States, 21 to 28 October 2019 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in United States, 21 to 28 October 2019 (this event)107 records

Every Record Set

20 of 107
Every record set or tied during Heat wave in United States, 21 to 28 October 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-10-22San Luis Obispo PolyRecord high minimum temperature21.7 C (71.1 F)1.7 C (3.1 F)5330 of 100 (Routine)
2019-10-22Angwin Pacific Union CollegeRecord high minimum temperature17.2 C (63.0 F)1.6 C (2.9 F)5326 of 100 (Routine)
2019-10-23Davis 2 WSW Exp FarmRecord high minimum temperature15.6 C (60.1 F)1.7 C (3.1 F)12445 of 100 (Notable)
2019-10-23Red Bluff Muni APRecord high minimum temperature21.1 C (70.0 F)3.9 C (7.0 F)6038 of 100 (Notable)
2019-10-23Woodland 1 WNWRecord high minimum temperature19.4 C (66.9 F)5.0 C (9.0 F)3637 of 100 (Notable)
2019-10-23Antioch Pumping Plt #3Record high minimum temperature17.8 C (64.0 F)3.4 C (6.1 F)3628 of 100 (Routine)
2019-10-24Santa RosaRecord high minimum temperature18.3 C (64.9 F)5.0 C (9.0 F)11254 of 100 (Notable)
2019-10-24LivermoreRecord high minimum temperature15.6 C (60.1 F)1.7 C (3.1 F)9844 of 100 (Notable)
2019-10-24Petaluma APRecord high minimum temperature16.7 C (62.1 F)1.7 C (3.1 F)8941 of 100 (Notable)
2019-10-24Davis 2 WSW Exp FarmRecord high minimum temperature19.4 C (66.9 F)5.0 C (9.0 F)3635 of 100 (Notable)
2019-10-24Oakland MuseumRecord high minimum temperature20.0 C (68.0 F)1.1 C (2.0 F)4032 of 100 (Routine)
2019-10-24RichmondRecord high minimum temperature17.2 C (63.0 F)1.1 C (2.0 F)6030 of 100 (Routine)
2019-10-24Oakland Intl APRecord high minimum temperature18.3 C (64.9 F)0.5 C (0.9 F)4030 of 100 (Routine)
2019-10-24FairfieldRecord high minimum temperature23.9 C (75.0 F)3.3 C (5.9 F)128 of 100 (Routine)
2019-10-25Chief Joseph DamRecord high maximum temperature22.8 C (73.0 F)2.8 C (5.0 F)6632 of 100 (Routine)
2019-10-25Kalispell Glacier APRecord high maximum temperature21.1 C (70.0 F)0.5 C (0.9 F)6429 of 100 (Routine)
2019-10-25Moses Lake Grant Co APRecord high maximum temperature22.8 C (73.0 F)1.1 C (2.0 F)6428 of 100 (Routine)
2019-10-26Tejon RanchoRecord high minimum temperature19.4 C (66.9 F)0.5 C (0.9 F)10141 of 100 (Notable)
2019-10-26WenatcheeRecord high maximum temperature22.2 C (72.0 F)0.5 C (0.9 F)7331 of 100 (Routine)
2019-10-27ProsserRecord high maximum temperature23.3 C (73.9 F)2.2 C (4.0 F)7435 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 107 records the event counts. The counts above use the full total.

Download the Data

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. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.