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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in United States and Mexico, 31 March to 26 April 2019

Heat wave in United States and Mexico, 31 March to 26 April 2019: 1,440 records at 985 stations, peak on 8 April 2019. Closed.

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

Key Facts

  • Heat wave in United States and Mexico, 31 March to 26 April 2019 set or tied 1,440 station records at 985 stations.
  • It ran from 31 March 2019 to 26 April 2019 (27 days) and its peak day was 8 April 2019.
  • Status: closed.
  • Sugar City set a daily record high minimum temperature of 7.8 C (46.0 F) on 8 April 2019.
  • The busiest day was 8 April 2019 with 255 records.
  • The oldest broken record in the ranked list had stood for 125 years.

Footprint

31 March to 26 April 2019
Footprint of Heat wave in United States and Mexico, 31 March to 26 April 2019 The area covered by Heat wave in United States and Mexico, 31 March to 26 April 2019 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in United States and Mexico, 31 March to 26 April 2019 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in United States and Mexico, 31 March to 26 April 2019: stations that set records in the event
StationTypeValueDate
Sugar CityRecord high minimum temperature7.8 C (46.0 F)2019-04-08
BostonRecord high minimum temperature17.2 C (63.0 F)2019-04-19
AshlandRecord high minimum temperature11.7 C (53.1 F)2019-04-08
Lake YellowstoneRecord high minimum temperature1.7 C (35.1 F)2019-04-08
DurhamRecord high minimum temperature17.2 C (63.0 F)2019-04-20
BlaineRecord high maximum temperature20.6 C (69.1 F)2019-04-03
Old FaithfulRecord high minimum temperature2.8 C (37.0 F)2019-04-08
Hagerstown 1ERecord high minimum temperature17.8 C (64.0 F)2019-04-19
Flemington 5 NNWRecord high minimum temperature17.2 C (63.0 F)2019-04-20
WeavervilleRecord high minimum temperature8.9 C (48.0 F)2019-04-01
GothenburgRecord high minimum temperature12.2 C (54.0 F)2019-04-06
Carson CityRecord high minimum temperature9.4 C (48.9 F)2019-04-07
ScotiaRecord high minimum temperature13.9 C (57.0 F)2019-04-08
Emmett 2 ERecord high minimum temperature11.1 C (52.0 F)2019-04-08
BatesburgRecord high minimum temperature20.0 C (68.0 F)2019-04-14
WoodlandRecord high minimum temperature10.0 C (50.0 F)2019-04-20
Franklin Falls DamRecord high minimum temperature16.1 C (61.0 F)2019-04-21
Streator 2SERecord high minimum temperature11.1 C (52.0 F)2019-04-08
Bosque del ApacheRecord high maximum temperature33.3 C (91.9 F)2019-04-10
Saint HelenaRecord high minimum temperature13.9 C (57.0 F)2019-04-11

Records per Day

Peak day 255
Records per day during Heat wave in United States and Mexico, 31 March to 26 April 2019 Records set or tied each day from 31 March 2019 to 26 April 2019. The most in one day was 255 on 8 April 2019. 0 75 150 225 300 03-3104-0304-0604-0904-1204-1504-1904-2204-25
Records set or tied each day from 31 March 2019 to 26 April 2019. The most in one day was 255 on 8 April 2019.
Records per day during Heat wave in United States and Mexico, 31 March to 26 April 2019
DateRecords
2019-03-311
2019-04-0120
2019-04-0262
2019-04-0391
2019-04-0445
2019-04-0531
2019-04-0633
2019-04-07111
2019-04-08255
2019-04-09174
2019-04-1089
2019-04-1162
2019-04-1235
2019-04-13111
2019-04-14120
2019-04-1513
2019-04-172
2019-04-1812
2019-04-1955
2019-04-2070
2019-04-2124
2019-04-222
2019-04-232
2019-04-2417
2019-04-252
2019-04-261

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in United States and Mexico, 31 March to 26 April 2019 ranked by margin
Boston, 04-195.5 C (9.9 F)
Sugar City, 04-084.5 C (8.1 F)
Lake Yellowstone, 04-083.9 C (7.0 F)
Franklin Falls Dam, 04-213.3 C (5.9 F)
Hagerstown 1E, 04-192.8 C (5.0 F)
Old Faithful, 04-082.8 C (5.0 F)
Woodland, 04-202.8 C (5.0 F)
Gothenburg, 04-062.8 C (5.0 F)
Ashland, 04-082.3 C (4.1 F)
Flemington 5 NNW, 04-202.2 C (4.0 F)
Scotia, 04-082.2 C (4.0 F)
Batesburg, 04-142.2 C (4.0 F)
Blaine, 04-031.7 C (3.1 F)
Weaverville, 04-011.7 C (3.1 F)
Emmett 2 E, 04-081.7 C (3.1 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 and Mexico, 31 March to 26 April 2019 500 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 0.02.55.07.510.0 Margin (C) Years the old record stood
500 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 and Mexico, 31 March to 26 April 2019
Margin (C)Years the old record stood
4.592
5.580
2.3109
1.677
3.9113
2.8109
2.2104
1.7104
2.8113
2.292
1.7124
1.7108
2.892
2.896
1.6124
3.367
2.2102
1.793
1.7100
1.6114
1.197
1.1112
1.692
1.1100
1.1112
2.392
1.1104
1.6125
0.6119
1.1122
1.1124
0.6113
0.6116
0.5112
2.884
2.292
1.1118
1.1112
0.6124
0.5106
0.5104
0.6120
0.5112
1.196
0.6106
0.6106
1.196
0.5104
0.6116
0.6116
0.5116
0.6110
0.5110
0.6122
0.6112
2.286
0.696
1.792
0.5112
0.5122
0.5122
0.596
0.5122
4.473
1.193
3.966
1.688
3.973
1.188
1.188
0.593
1.188
1.784
0.592
1.188
1.188
1.184
0.688
0.592
1.677
0.688
5.556
2.773
1.188
0.688
1.188
1.784
3.964
0.684
1.182
1.180
0.588
2.270
1.181
1.184
1.181
1.156
0.582
0.584
1.770
3.468
1.181
4.560
4.560
1.770
1.777
2.270
1.176
1.182
2.277
0.680
0.680
1.770
3.948
0.678
1.766
1.180
1.670
0.676
1.176
0.677
0.544
1.770
2.258
1.176
1.180
1.773
1.776
0.676
1.170
2.764
0.582
1.172
0.676
4.442
0.573
1.170
1.170
2.266
1.170
0.674
0.576
1.176
0.576
1.773
2.239
0.577
3.365
3.456
1.166
1.664
0.672
0.672
1.169
1.765
1.776
2.265
1.766
0.578
0.570
0.677
0.670
4.434
0.670
1.756
1.657
2.839
0.573
0.569
0.666
6.145
2.858
0.668
2.269
1.770
1.173
1.268
1.172
1.765
1.765
1.172
1.170
0.570
1.170
2.258
1.264
2.264
3.941
0.664
3.957
0.637
1.666
1.176
1.126
0.564
1.170
2.264
1.157
2.264
0.673

Compared With Other Events

Station records per event
Station records in Heat wave in United States and Mexico, 31 March to 26 April 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 and Mexico, 31 March to 26 April 2019 (this event)1,440 records

Every Record Set

20 of 1,440
Every record set or tied during Heat wave in United States and Mexico, 31 March to 26 April 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-04-01WeavervilleRecord high minimum temperature8.9 C (48.0 F)1.7 C (3.1 F)12444 of 100 (Notable)
2019-04-03BlaineRecord high maximum temperature20.6 C (69.1 F)1.7 C (3.1 F)10445 of 100 (Notable)
2019-04-06GothenburgRecord high minimum temperature12.2 C (54.0 F)2.8 C (5.0 F)9644 of 100 (Notable)
2019-04-07Carson CityRecord high minimum temperature9.4 C (48.9 F)1.6 C (2.9 F)12444 of 100 (Notable)
2019-04-08Sugar CityRecord high minimum temperature7.8 C (46.0 F)4.5 C (8.1 F)9248 of 100 (Notable)
2019-04-08AshlandRecord high minimum temperature11.7 C (53.1 F)2.3 C (4.1 F)10947 of 100 (Notable)
2019-04-08Lake YellowstoneRecord high minimum temperature1.7 C (35.1 F)3.9 C (7.0 F)11346 of 100 (Notable)
2019-04-08Old FaithfulRecord high minimum temperature2.8 C (37.0 F)2.8 C (5.0 F)11345 of 100 (Notable)
2019-04-08ScotiaRecord high minimum temperature13.9 C (57.0 F)2.2 C (4.0 F)9244 of 100 (Notable)
2019-04-08Emmett 2 ERecord high minimum temperature11.1 C (52.0 F)1.7 C (3.1 F)10844 of 100 (Notable)
2019-04-08Streator 2SERecord high minimum temperature11.1 C (52.0 F)1.7 C (3.1 F)10043 of 100 (Notable)
2019-04-10Bosque del ApacheRecord high maximum temperature33.3 C (91.9 F)1.6 C (2.9 F)11443 of 100 (Notable)
2019-04-11Saint HelenaRecord high minimum temperature13.9 C (57.0 F)1.7 C (3.1 F)9343 of 100 (Notable)
2019-04-14BatesburgRecord high minimum temperature20.0 C (68.0 F)2.2 C (4.0 F)10244 of 100 (Notable)
2019-04-19BostonRecord high minimum temperature17.2 C (63.0 F)5.5 C (9.9 F)8048 of 100 (Notable)
2019-04-19Hagerstown 1ERecord high minimum temperature17.8 C (64.0 F)2.8 C (5.0 F)10945 of 100 (Notable)
2019-04-20DurhamRecord high minimum temperature17.2 C (63.0 F)1.6 C (2.9 F)7746 of 100 (Notable)
2019-04-20Flemington 5 NNWRecord high minimum temperature17.2 C (63.0 F)2.2 C (4.0 F)10445 of 100 (Notable)
2019-04-20WoodlandRecord high minimum temperature10.0 C (50.0 F)2.8 C (5.0 F)9244 of 100 (Notable)
2019-04-21Franklin Falls DamRecord high minimum temperature16.1 C (61.0 F)3.3 C (5.9 F)6744 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 1,440 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.