Cold outbreak in United States and Mexico, 18 July to 16 August 2018

Name: Cold outbreak in United States and Mexico, 18 July to 16 August 2018
Start: 2018-07-18
End: 2018-08-16
Location: United States, Mexico

Cold outbreak in United States and Mexico, 18 July to 16 August 2018: 855 records at 646 stations, peak on 2 August 2018. Closed.

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

Key Facts

Cold outbreak in United States and Mexico, 18 July to 16 August 2018 set or tied 855 station records at 646 stations.
It ran from 18 July 2018 to 16 August 2018 (30 days) and its peak day was 2 August 2018.
Status: closed.
El Campo set a daily record low minimum temperature of 16.7 C (62.1 F) on 1 August 2018.
The busiest day was 2 August 2018 with 162 records.
The oldest broken record in the ranked list had stood for 144 years.

Footprint

18 July to 16 August 2018

The area covered by Cold outbreak in United States and Mexico, 18 July to 16 August 2018 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Cold outbreak in United States and Mexico, 18 July to 16 August 2018: stations that set records in the event
Station	Type	Value	Date
El Campo	Record low minimum temperature	16.7 C (62.1 F)	2018-08-01
Tellico Plains	Record low maximum temperature	23.3 C (73.9 F)	2018-08-02
Rogersville 1 NE	Record low maximum temperature	21.7 C (71.1 F)	2018-08-02
Mena	Record low maximum temperature	22.8 C (73.0 F)	2018-07-29
Middleboro	Record low minimum temperature	6.1 C (43.0 F)	2018-07-21
Intl Falls Intl AP	Record low minimum temperature	1.1 C (34.0 F)	2018-08-02
Crescent City	Record low minimum temperature	17.8 C (64.0 F)	2018-07-20
Junction 4SSW	Record low maximum temperature	23.9 C (75.0 F)	2018-08-11
Holyoke	Record low minimum temperature	7.8 C (46.0 F)	2018-07-31
Lake City 2 E	Record low maximum temperature	25.0 C (77.0 F)	2018-07-31
Healdton 3 E	Record low maximum temperature	23.9 C (75.0 F)	2018-08-14
Hot Springs 1 NNE	Record low maximum temperature	25.0 C (77.0 F)	2018-07-29
Casey	Record low maximum temperature	22.8 C (73.0 F)	2018-07-30
W Lafayette 6 NW	Record low maximum temperature	20.0 C (68.0 F)	2018-07-30
Kingsport	Record low maximum temperature	23.3 C (73.9 F)	2018-08-02
Paris Stp	Record low maximum temperature	19.4 C (66.9 F)	2018-07-30
Scottsboro	Record low maximum temperature	24.4 C (75.9 F)	2018-08-02
Chipley	Record low maximum temperature	22.8 C (73.0 F)	2018-08-03
Clayton 1 SSW	Record low maximum temperature	21.7 C (71.1 F)	2018-08-03
Wynne	Record low maximum temperature	26.1 C (79.0 F)	2018-08-10

Records per Day

Peak day 162

Records set or tied each day from 18 July 2018 to 16 August 2018. The most in one day was 162 on 2 August 2018.

Records per day during Cold outbreak in United States and Mexico, 18 July to 16 August 2018
Date	Records
2018-07-18	3
2018-07-19	32
2018-07-20	19
2018-07-21	27
2018-07-22	27
2018-07-23	21
2018-07-24	11
2018-07-25	4
2018-07-26	12
2018-07-27	31
2018-07-28	22
2018-07-29	35
2018-07-30	55
2018-07-31	59
2018-08-01	62
2018-08-02	162
2018-08-03	93
2018-08-04	17
2018-08-05	9
2018-08-06	27
2018-08-07	1
2018-08-08	4
2018-08-09	11
2018-08-10	13
2018-08-11	31
2018-08-12	27
2018-08-13	26
2018-08-14	11
2018-08-15	2
2018-08-16	1

Top Records by Margin

Margin over the record replaced

Top records of Cold outbreak in United States and Mexico, 18 July to 16 August 2018 ranked by margin
El Campo, 08-01	4.4 C (7.9 F)
Tellico Plains, 08-02	3.9 C (7.0 F)
Rogersville 1 NE, 08-02	3.9 C (7.0 F)
Mena, 07-29	3.9 C (7.0 F)
Middleboro, 07-21	3.9 C (7.0 F)
Intl Falls Intl AP, 08-02	3.9 C (7.0 F)
Chipley, 08-03	3.9 C (7.0 F)
Junction 4SSW, 08-11	2.8 C (5.0 F)
Healdton 3 E, 08-14	2.8 C (5.0 F)
Paris Stp, 07-30	2.8 C (5.0 F)
Kingsport, 08-02	2.3 C (4.1 F)
Holyoke, 07-31	2.2 C (4.0 F)
Hot Springs 1 NNE, 07-29	2.2 C (4.0 F)
Casey, 07-30	2.2 C (4.0 F)
W Lafayette 6 NW, 07-30	2.2 C (4.0 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

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 Cold outbreak in United States and Mexico, 18 July to 16 August 2018
Margin (C)	Years the old record stood
4.4	72
3.9	116
3.9	96
3.9	126
3.9	108
3.9	100
1.6	88
2.8	104
2.2	117
1.7	107
2.8	120
2.2	126
2.2	122
2.2	100
2.3	96
1.7	107
1.7	105
3.9	69
1.6	108
2.8	92
1.7	116
2.2	119
1.7	104
2.8	85
1.1	99
1.6	111
1.7	111
2.2	96
1.6	97
2.2	119
2.2	115
1.7	97
5.0	69
1.1	100
1.1	119
1.7	111
2.2	91
2.2	87
2.2	92
1.1	105
1.1	111
1.1	115
1.1	103
0.6	103
1.1	111
1.1	105
2.3	81
2.8	56
0.6	105
1.1	88
0.5	121
1.7	92
0.5	105
0.5	107
0.5	100
0.5	103
0.5	111
0.5	122
0.5	111
0.6	119
0.5	112
0.6	116
0.5	115
1.6	93
0.6	113
0.5	144
0.6	112
0.5	103
0.6	103
0.5	103
0.5	108
2.2	81
1.1	96
1.1	92
1.1	95
1.1	92
2.2	81
8.3	25
4.4	57
1.7	85
0.6	92
2.8	69
2.2	68
1.6	84
1.1	92
0.6	95
0.5	95
0.6	95
1.7	77
0.6	91
3.3	69
0.5	92
1.1	85
0.6	92
1.7	87
2.8	76
7.7	3
3.3	57
5.0	47
0.6	89
0.5	92
0.5	89
2.2	75
2.2	75
5.0	35
2.2	48
2.3	69
2.8	60
4.4	47
1.1	68
2.2	68
0.5	85
2.7	69
1.7	68
2.8	48
0.6	81
2.8	61
0.5	81
2.2	65
0.5	80
2.3	52
2.2	60
2.2	47
0.5	79
0.5	83
1.7	68
1.1	79
1.7	65
3.4	47
3.4	47
1.1	69
2.7	47
3.9	36
2.8	51
1.7	64
1.6	64
3.3	47
1.1	43
2.8	47
3.4	48
0.6	77
1.7	69
3.9	41
2.8	47
0.5	69
1.6	69
0.6	71
0.5	71
1.1	71
1.1	72
1.6	68
2.3	49
2.3	53
2.8	47
1.1	61
1.1	64
4.4	47
4.5	36
2.2	45
5.0	28
1.1	60
5.5	27
1.1	61
1.1	68
1.6	44
1.7	47
3.4	36
0.5	64
2.8	47
3.9	36
0.6	63
2.8	47
2.8	51
2.8	47
1.1	68
2.2	47
3.9	36
2.2	47
2.2	47
0.5	60
0.5	61
1.7	53
3.9	36
3.4	36
2.7	47
3.3	41
2.8	45
2.7	37
0.5	61
1.2	63
1.7	47
2.8	43
1.7	47
1.6	61
1.2	48
1.7	53
2.3	51
1.7	52
2.2	41
1.7	41

Compared With Other Events

Station records per event

Station records in Cold outbreak in United States and Mexico, 18 July to 16 August 2018 compared with similar events
Cold outbreak in United States and Mexico, 6 February to 5 March 2021	12,118 records
Cold outbreak in United States and Mexico, 13 October to 5 November 2020	9,841 records
Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 2018	8,263 records
Cold outbreak in United States and Mexico, 3 to 23 January 2024	7,675 records
Cold outbreak in United States, 15 January to 10 February 2026	5,568 records
Cold outbreak in United States and Mexico, 18 July to 16 August 2018 (this event)	855 records

Every Record Set

20 of 855

Every record set or tied during Cold outbreak in United States and Mexico, 18 July to 16 August 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-07-20	Crescent City	Record low minimum temperature	17.8 C (64.0 F)	1.6 C (2.9 F)	88	48 of 100 (Notable)
2018-07-21	Middleboro	Record low minimum temperature	6.1 C (43.0 F)	3.9 C (7.0 F)	108	50 of 100 (Notable)
2018-07-29	Mena	Record low maximum temperature	22.8 C (73.0 F)	3.9 C (7.0 F)	126	51 of 100 (Notable)
2018-07-29	Hot Springs 1 NNE	Record low maximum temperature	25.0 C (77.0 F)	2.2 C (4.0 F)	126	46 of 100 (Notable)
2018-07-30	Casey	Record low maximum temperature	22.8 C (73.0 F)	2.2 C (4.0 F)	122	46 of 100 (Notable)
2018-07-30	W Lafayette 6 NW	Record low maximum temperature	20.0 C (68.0 F)	2.2 C (4.0 F)	100	46 of 100 (Notable)
2018-07-30	Paris Stp	Record low maximum temperature	19.4 C (66.9 F)	2.8 C (5.0 F)	92	45 of 100 (Notable)
2018-07-31	Holyoke	Record low minimum temperature	7.8 C (46.0 F)	2.2 C (4.0 F)	117	47 of 100 (Notable)
2018-07-31	Lake City 2 E	Record low maximum temperature	25.0 C (77.0 F)	1.7 C (3.1 F)	107	47 of 100 (Notable)
2018-08-01	El Campo	Record low minimum temperature	16.7 C (62.1 F)	4.4 C (7.9 F)	72	56 of 100 (Notable)
2018-08-02	Tellico Plains	Record low maximum temperature	23.3 C (73.9 F)	3.9 C (7.0 F)	116	54 of 100 (Notable)
2018-08-02	Rogersville 1 NE	Record low maximum temperature	21.7 C (71.1 F)	3.9 C (7.0 F)	96	52 of 100 (Notable)
2018-08-02	Intl Falls Intl AP	Record low minimum temperature	1.1 C (34.0 F)	3.9 C (7.0 F)	100	49 of 100 (Notable)
2018-08-02	Kingsport	Record low maximum temperature	23.3 C (73.9 F)	2.3 C (4.1 F)	96	46 of 100 (Notable)
2018-08-02	Scottsboro	Record low maximum temperature	24.4 C (75.9 F)	1.7 C (3.1 F)	107	45 of 100 (Notable)
2018-08-03	Chipley	Record low maximum temperature	22.8 C (73.0 F)	3.9 C (7.0 F)	69	45 of 100 (Notable)
2018-08-03	Clayton 1 SSW	Record low maximum temperature	21.7 C (71.1 F)	1.6 C (2.9 F)	108	45 of 100 (Notable)
2018-08-10	Wynne	Record low maximum temperature	26.1 C (79.0 F)	1.7 C (3.1 F)	105	45 of 100 (Notable)
2018-08-11	Junction 4SSW	Record low maximum temperature	23.9 C (75.0 F)	2.8 C (5.0 F)	104	48 of 100 (Notable)
2018-08-14	Healdton 3 E	Record low maximum temperature	23.9 C (75.0 F)	2.8 C (5.0 F)	120	47 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 855 records the event counts. The counts above use the full total.

Related Headlines

Third party news, headline and link only

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.

Margin (C)	Years the old record stood
4.4	72
3.9	116
3.9	96
3.9	126
3.9	108
3.9	100
1.6	88
2.8	104
2.2	117
1.7	107
2.8	120
2.2	126
2.2	122
2.2	100
2.3	96
1.7	107
1.7	105
3.9	69
1.6	108
2.8	92
1.7	116
2.2	119
1.7	104
2.8	85
1.1	99
1.6	111
1.7	111
2.2	96
1.6	97
2.2	119
2.2	115
1.7	97
5.0	69
1.1	100
1.1	119
1.7	111
2.2	91
2.2	87
2.2	92
1.1	105
1.1	111
1.1	115
1.1	103
0.6	103
1.1	111
1.1	105
2.3	81
2.8	56
0.6	105
1.1	88
0.5	121
1.7	92
0.5	105
0.5	107
0.5	100
0.5	103
0.5	111
0.5	122
0.5	111
0.6	119
0.5	112
0.6	116
0.5	115
1.6	93
0.6	113
0.5	144
0.6	112
0.5	103
0.6	103
0.5	103
0.5	108
2.2	81
1.1	96
1.1	92
1.1	95
1.1	92
2.2	81
8.3	25
4.4	57
1.7	85
0.6	92
2.8	69
2.2	68
1.6	84
1.1	92
0.6	95
0.5	95
0.6	95
1.7	77
0.6	91
3.3	69
0.5	92
1.1	85
0.6	92
1.7	87
2.8	76
7.7	3
3.3	57
5.0	47
0.6	89
0.5	92
0.5	89
2.2	75
2.2	75
5.0	35
2.2	48
2.3	69
2.8	60
4.4	47
1.1	68
2.2	68
0.5	85
2.7	69
1.7	68
2.8	48
0.6	81
2.8	61
0.5	81
2.2	65
0.5	80
2.3	52
2.2	60
2.2	47
0.5	79
0.5	83
1.7	68
1.1	79
1.7	65
3.4	47
3.4	47
1.1	69
2.7	47
3.9	36
2.8	51
1.7	64
1.6	64
3.3	47
1.1	43
2.8	47
3.4	48
0.6	77
1.7	69
3.9	41
2.8	47
0.5	69
1.6	69
0.6	71
0.5	71
1.1	71
1.1	72
1.6	68
2.3	49
2.3	53
2.8	47
1.1	61
1.1	64
4.4	47
4.5	36
2.2	45
5.0	28
1.1	60
5.5	27
1.1	61
1.1	68
1.6	44
1.7	47
3.4	36
0.5	64
2.8	47
3.9	36
0.6	63
2.8	47
2.8	51
2.8	47
1.1	68
2.2	47
3.9	36
2.2	47
2.2	47
0.5	60
0.5	61
1.7	53
3.9	36
3.4	36
2.7	47
3.3	41
2.8	45
2.7	37
0.5	61
1.2	63
1.7	47
2.8	43
1.7	47
1.6	61
1.2	48
1.7	53
2.3	51
1.7	52
2.2	41
1.7	41

Margin (C)	Years the old record stood
4.4	72
3.9	116
3.9	96
3.9	126
3.9	108
3.9	100
1.6	88
2.8	104
2.2	117
1.7	107
2.8	120
2.2	126
2.2	122
2.2	100
2.3	96
1.7	107
1.7	105
3.9	69
1.6	108
2.8	92
1.7	116
2.2	119
1.7	104
2.8	85
1.1	99
1.6	111
1.7	111
2.2	96
1.6	97
2.2	119
2.2	115
1.7	97
5.0	69
1.1	100
1.1	119
1.7	111
2.2	91
2.2	87
2.2	92
1.1	105
1.1	111
1.1	115
1.1	103
0.6	103
1.1	111
1.1	105
2.3	81
2.8	56
0.6	105
1.1	88
0.5	121
1.7	92
0.5	105
0.5	107
0.5	100
0.5	103
0.5	111
0.5	122
0.5	111
0.6	119
0.5	112
0.6	116
0.5	115
1.6	93
0.6	113
0.5	144
0.6	112
0.5	103
0.6	103
0.5	103
0.5	108
2.2	81
1.1	96
1.1	92
1.1	95
1.1	92
2.2	81
8.3	25
4.4	57
1.7	85
0.6	92
2.8	69
2.2	68
1.6	84
1.1	92
0.6	95
0.5	95
0.6	95
1.7	77
0.6	91
3.3	69
0.5	92
1.1	85
0.6	92
1.7	87
2.8	76
7.7	3
3.3	57
5.0	47
0.6	89
0.5	92
0.5	89
2.2	75
2.2	75
5.0	35
2.2	48
2.3	69
2.8	60
4.4	47
1.1	68
2.2	68
0.5	85
2.7	69
1.7	68
2.8	48
0.6	81
2.8	61
0.5	81
2.2	65
0.5	80
2.3	52
2.2	60
2.2	47
0.5	79
0.5	83
1.7	68
1.1	79
1.7	65
3.4	47
3.4	47
1.1	69
2.7	47
3.9	36
2.8	51
1.7	64
1.6	64
3.3	47
1.1	43
2.8	47
3.4	48
0.6	77
1.7	69
3.9	41
2.8	47
0.5	69
1.6	69
0.6	71
0.5	71
1.1	71
1.1	72
1.6	68
2.3	49
2.3	53
2.8	47
1.1	61
1.1	64
4.4	47
4.5	36
2.2	45
5.0	28
1.1	60
5.5	27
1.1	61
1.1	68
1.6	44
1.7	47
3.4	36
0.5	64
2.8	47
3.9	36
0.6	63
2.8	47
2.8	51
2.8	47
1.1	68
2.2	47
3.9	36
2.2	47
2.2	47
0.5	60
0.5	61
1.7	53
3.9	36
3.4	36
2.7	47
3.3	41
2.8	45
2.7	37
0.5	61
1.2	63
1.7	47
2.8	43
1.7	47
1.6	61
1.2	48
1.7	53
2.3	51
1.7	52
2.2	41
1.7	41

Margin (C)	Years the old record stood
4.4	72
3.9	116
3.9	96
3.9	126
3.9	108
3.9	100
1.6	88
2.8	104
2.2	117
1.7	107
2.8	120
2.2	126
2.2	122
2.2	100
2.3	96
1.7	107
1.7	105
3.9	69
1.6	108
2.8	92
1.7	116
2.2	119
1.7	104
2.8	85
1.1	99
1.6	111
1.7	111
2.2	96
1.6	97
2.2	119
2.2	115
1.7	97
5.0	69
1.1	100
1.1	119
1.7	111
2.2	91
2.2	87
2.2	92
1.1	105
1.1	111
1.1	115
1.1	103
0.6	103
1.1	111
1.1	105
2.3	81
2.8	56
0.6	105
1.1	88
0.5	121
1.7	92
0.5	105
0.5	107
0.5	100
0.5	103
0.5	111
0.5	122
0.5	111
0.6	119
0.5	112
0.6	116
0.5	115
1.6	93
0.6	113
0.5	144
0.6	112
0.5	103
0.6	103
0.5	103
0.5	108
2.2	81
1.1	96
1.1	92
1.1	95
1.1	92
2.2	81
8.3	25
4.4	57
1.7	85
0.6	92
2.8	69
2.2	68
1.6	84
1.1	92
0.6	95
0.5	95
0.6	95
1.7	77
0.6	91
3.3	69
0.5	92
1.1	85
0.6	92
1.7	87
2.8	76
7.7	3
3.3	57
5.0	47
0.6	89
0.5	92
0.5	89
2.2	75
2.2	75
5.0	35
2.2	48
2.3	69
2.8	60
4.4	47
1.1	68
2.2	68
0.5	85
2.7	69
1.7	68
2.8	48
0.6	81
2.8	61
0.5	81
2.2	65
0.5	80
2.3	52
2.2	60
2.2	47
0.5	79
0.5	83
1.7	68
1.1	79
1.7	65
3.4	47
3.4	47
1.1	69
2.7	47
3.9	36
2.8	51
1.7	64
1.6	64
3.3	47
1.1	43
2.8	47
3.4	48
0.6	77
1.7	69
3.9	41
2.8	47
0.5	69
1.6	69
0.6	71
0.5	71
1.1	71
1.1	72
1.6	68
2.3	49
2.3	53
2.8	47
1.1	61
1.1	64
4.4	47
4.5	36
2.2	45
5.0	28
1.1	60
5.5	27
1.1	61
1.1	68
1.6	44
1.7	47
3.4	36
0.5	64
2.8	47
3.9	36
0.6	63
2.8	47
2.8	51
2.8	47
1.1	68
2.2	47
3.9	36
2.2	47
2.2	47
0.5	60
0.5	61
1.7	53
3.9	36
3.4	36
2.7	47
3.3	41
2.8	45
2.7	37
0.5	61
1.2	63
1.7	47
2.8	43
1.7	47
1.6	61
1.2	48
1.7	53
2.3	51
1.7	52
2.2	41
1.7	41