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Built 2026-10-19 (19 October 2026)

Heat wave in United States and Mexico, 6 to 21 March 2018

Heat wave in United States and Mexico, 6 to 21 March 2018: 353 records at 282 stations, peak on 13 March 2018. Closed.

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

Key Facts

  • Heat wave in United States and Mexico, 6 to 21 March 2018 set or tied 353 station records at 282 stations.
  • It ran from 6 March 2018 to 21 March 2018 (16 days) and its peak day was 13 March 2018.
  • Status: closed.
  • Montrose #2 set a daily record high minimum temperature of 7.2 C (45.0 F) on 16 March 2018.
  • The busiest day was 13 March 2018 with 51 records.
  • The oldest broken record in the ranked list had stood for 117 years.

Footprint

6 to 21 March 2018
Footprint of Heat wave in United States and Mexico, 6 to 21 March 2018 The area covered by Heat wave in United States and Mexico, 6 to 21 March 2018 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in United States and Mexico, 6 to 21 March 2018 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 and Mexico, 6 to 21 March 2018: stations that set records in the event
StationTypeValueDate
Montrose #2Record high minimum temperature7.2 C (45.0 F)2018-03-16
Oceanside MarinaRecord high minimum temperature14.4 C (57.9 F)2018-03-12
Nevada CityRecord high minimum temperature9.4 C (48.9 F)2018-03-13
BremertonRecord high maximum temperature22.2 C (72.0 F)2018-03-13
CuyamacaRecord high minimum temperature7.8 C (46.0 F)2018-03-10
Estacada 2 SERecord high maximum temperature23.9 C (75.0 F)2018-03-13
Mancos 1SWRecord high minimum temperature1.7 C (35.1 F)2018-03-15
Hermit 8 SERecord high minimum temperature-2.8 C (27.0 F)2018-03-15
Sublette 7WSWRecord high minimum temperature6.7 C (44.1 F)2018-03-16
QuartzsiteRecord high minimum temperature16.7 C (62.1 F)2018-03-10
Benkelman 1NRecord high minimum temperature7.8 C (46.0 F)2018-03-10
WeavervilleRecord high minimum temperature8.3 C (46.9 F)2018-03-13
AlpineRecord high minimum temperature1.7 C (35.1 F)2018-03-15
CloverdaleRecord high maximum temperature20.6 C (69.1 F)2018-03-11
San Carlos RsvrRecord high minimum temperature11.1 C (52.0 F)2018-03-15
Crowley 2 NERecord high maximum temperature28.9 C (84.0 F)2018-03-20
KentRecord high maximum temperature23.3 C (73.9 F)2018-03-12
Whidbey Island NASRecord high maximum temperature23.9 C (75.0 F)2018-03-12
McMillin RsvrRecord high maximum temperature22.2 C (72.0 F)2018-03-13

Records per Day

Peak day 51
Records per day during Heat wave in United States and Mexico, 6 to 21 March 2018 Records set or tied each day from 6 March 2018 to 21 March 2018. The most in one day was 51 on 13 March 2018. 0 15 30 45 60 03-0603-0803-1003-1203-1403-1603-1803-20
Records set or tied each day from 6 March 2018 to 21 March 2018. The most in one day was 51 on 13 March 2018.
Records per day during Heat wave in United States and Mexico, 6 to 21 March 2018
DateRecords
2018-03-061
2018-03-072
2018-03-083
2018-03-097
2018-03-1048
2018-03-1143
2018-03-1248
2018-03-1351
2018-03-1432
2018-03-1536
2018-03-1631
2018-03-1721
2018-03-1810
2018-03-1910
2018-03-209
2018-03-211

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in United States and Mexico, 6 to 21 March 2018 ranked by margin
Benkelman 1N, 03-103.4 C (6.1 F)
Montrose #2, 03-163.3 C (5.9 F)
Cloverdale, 03-112.8 C (5.0 F)
McMillin Rsvr, 03-132.8 C (5.0 F)
Alpine, 03-151.7 C (3.1 F)
Quartzsite, 03-101.7 C (3.1 F)
Whidbey Island NAS, 03-121.7 C (3.1 F)
Hermit 8 SE, 03-151.6 C (2.9 F)
Kent, 03-121.6 C (2.9 F)
Nevada City, 03-131.1 C (2.0 F)
Oceanside Marina, 03-121.1 C (2.0 F)
Bremerton, 03-131.1 C (2.0 F)
Sublette 7WSW, 03-161.1 C (2.0 F)
Weaverville, 03-131.1 C (2.0 F)
San Carlos Rsvr, 03-151.1 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 and Mexico, 6 to 21 March 2018 353 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 30 60 90 120 0.01.53.04.56.0 Margin (C) Years the old record stood
353 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, 6 to 21 March 2018
Margin (C)Years the old record stood
3.396
1.1117
1.1100
1.1100
0.6101
0.6101
0.6108
0.6108
1.696
1.196
1.788
1.788
1.191
3.481
1.184
0.691
2.876
1.676
2.876
1.749
2.276
1.176
0.585
1.767
3.464
0.553
0.675
1.764
0.577
0.579
0.672
1.175
3.352
0.673
0.673
1.164
0.634
3.348
1.172
0.575
1.163
0.664
0.675
0.664
1.767
2.255
1.169
1.172
1.764
1.156
1.651
0.638
1.267
0.667
2.323
0.664
0.564
3.345
0.664
1.163
1.663
2.355
2.233
1.155
1.745
1.752
1.151
1.145
2.26
0.620
2.840
1.745
1.745
2.239
2.837
2.336
1.651
1.135
1.639
2.220
2.344
2.715
0.652
3.420
0.635
1.132
0.539
3.324
1.151
2.910
1.147
1.110
1.745
2.237
1.133
1.140
0.535
1.62
1.144
2.245
2.835
1.147
4.424
0.552
0.555
2.324
2.74
0.127
2.732
1.235
1.145
2.820
2.324
1.735
2.231
2.812
1.136
2.236
2.835
1.731
1.724
3.424
1.145
0.651
1.728
1.745
1.620
3.420
5.525
1.145
1.732
1.635
1.735
0.536
2.223
0.645
0.640
0.636
2.337
0.645
2.325
3.313
0.636
1.123
0.64
1.135
2.225
0.525
1.733
2.212
1.736
0.635
1.131
0.536
1.627
1.136
0.636
2.215
1.124
4.516
3.921
4.417
1.733
1.132
0.524
0.623
1.724
1.624
0.624
1.713
3.43
1.128
1.132
0.532
0.532
1.128
0.525
5.05
1.712
3.95
1.136
0.624
0.633
1.136
0.617
0.537
1.732
0.636
1.132
1.615
1.133
1.112
1.127
1.136
1.723
0.521
1.123
1.121
2.80
4.55

Compared With Other Events

Station records per event
Station records in Heat wave in United States and Mexico, 6 to 21 March 2018 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, 6 to 21 March 2018 (this event)353 records

Every Record Set

20 of 353
Every record set or tied during Heat wave in United States and Mexico, 6 to 21 March 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-03-10Oceanside MarinaRecord high minimum temperature13.9 C (57.0 F)0.6 C (1.1 F)10142 of 100 (Notable)
2018-03-10CuyamacaRecord high minimum temperature7.8 C (46.0 F)0.6 C (1.1 F)10141 of 100 (Notable)
2018-03-10QuartzsiteRecord high minimum temperature16.7 C (62.1 F)1.7 C (3.1 F)8839 of 100 (Notable)
2018-03-10Benkelman 1NRecord high minimum temperature7.8 C (46.0 F)3.4 C (6.1 F)8139 of 100 (Notable)
2018-03-11CloverdaleRecord high maximum temperature20.6 C (69.1 F)2.8 C (5.0 F)7638 of 100 (Notable)
2018-03-12Oceanside MarinaRecord high minimum temperature14.4 C (57.9 F)1.1 C (2.0 F)10043 of 100 (Notable)
2018-03-12KentRecord high maximum temperature23.3 C (73.9 F)1.6 C (2.9 F)7637 of 100 (Notable)
2018-03-12Whidbey Island NASRecord high maximum temperature23.9 C (75.0 F)1.7 C (3.1 F)4937 of 100 (Notable)
2018-03-13Nevada CityRecord high minimum temperature9.4 C (48.9 F)1.1 C (2.0 F)11743 of 100 (Notable)
2018-03-13BremertonRecord high maximum temperature22.2 C (72.0 F)1.1 C (2.0 F)10043 of 100 (Notable)
2018-03-13Estacada 2 SERecord high maximum temperature23.9 C (75.0 F)0.6 C (1.1 F)10841 of 100 (Notable)
2018-03-13WeavervilleRecord high minimum temperature8.3 C (46.9 F)1.1 C (2.0 F)9139 of 100 (Notable)
2018-03-13McMillin RsvrRecord high maximum temperature22.2 C (72.0 F)2.8 C (5.0 F)7637 of 100 (Notable)
2018-03-15Mancos 1SWRecord high minimum temperature1.7 C (35.1 F)0.6 C (1.1 F)10841 of 100 (Notable)
2018-03-15Hermit 8 SERecord high minimum temperature-2.8 C (27.0 F)1.6 C (2.9 F)9640 of 100 (Notable)
2018-03-15AlpineRecord high minimum temperature1.7 C (35.1 F)1.7 C (3.1 F)8839 of 100 (Notable)
2018-03-15San Carlos RsvrRecord high minimum temperature11.1 C (52.0 F)1.1 C (2.0 F)8438 of 100 (Notable)
2018-03-16Montrose #2Record high minimum temperature7.2 C (45.0 F)3.3 C (5.9 F)9645 of 100 (Notable)
2018-03-16Sublette 7WSWRecord high minimum temperature6.7 C (44.1 F)1.1 C (2.0 F)9640 of 100 (Notable)
2018-03-20Crowley 2 NERecord high maximum temperature28.9 C (84.0 F)0.6 C (1.1 F)9138 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 353 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.