Cold outbreak in United States, 12 to 31 May 2018

Name: Cold outbreak in United States, 12 to 31 May 2018
Start: 2018-05-12
End: 2018-05-31
Location: United States

Cold outbreak in United States, 12 to 31 May 2018: 103 records at 55 stations, peak on 26 May 2018. Closed.

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

Key Facts

Cold outbreak in United States, 12 to 31 May 2018 set or tied 103 station records at 55 stations.
It ran from 12 May 2018 to 31 May 2018 (20 days) and its peak day was 26 May 2018.
Status: closed.
Saint Leo set a daily record low maximum temperature of 23.3 C (73.9 F) on 20 May 2018.
The busiest day was 20 May 2018 with 12 records.
The oldest broken record in the ranked list had stood for 116 years.

Footprint

12 to 31 May 2018

The area covered by Cold outbreak in United States, 12 to 31 May 2018 is outlined, with 16 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Cold outbreak in United States, 12 to 31 May 2018: stations that set records in the event
Station	Type	Value	Date
Saint Leo	Record low maximum temperature	23.3 C (73.9 F)	2018-05-20
Ft Pierce	Record low maximum temperature	23.9 C (75.0 F)	2018-05-16
Deland 1 SSE	Record low maximum temperature	23.3 C (73.9 F)	2018-05-15
Orlando Executive AP	Record low maximum temperature	26.1 C (79.0 F)	2018-05-21
Naples	Record low maximum temperature	26.1 C (79.0 F)	2018-05-27
Myakka Rvr Sp	Record low maximum temperature	25.6 C (78.1 F)	2018-05-22
Melbourne WFO	Record low maximum temperature	23.9 C (75.0 F)	2018-05-15
Tampa Intl AP	Record low maximum temperature	24.4 C (75.9 F)	2018-05-20
Lakeland Linder Rgnl AP	Record low maximum temperature	23.9 C (75.0 F)	2018-05-20
La Belle	Record low maximum temperature	25.0 C (77.0 F)	2018-05-27
Daytona Beach Intl AP	Record low maximum temperature	23.3 C (73.9 F)	2018-05-14
Crestview FAA/AP	Record low maximum temperature	25.6 C (78.1 F)	2018-05-28
Perry	Record low maximum temperature	26.7 C (80.1 F)	2018-05-30
Ochopee Florida	Record low maximum temperature	23.3 C (73.9 F)	2018-05-26
Wauchula	Record low maximum temperature	26.1 C (79.0 F)	2018-05-27
Venice	Record low maximum temperature	27.8 C (82.0 F)	2018-05-29

Records per Day

Peak day 12

Records set or tied each day from 12 May 2018 to 31 May 2018. The most in one day was 12 on 20 May 2018.

Records per day during Cold outbreak in United States, 12 to 31 May 2018
Date	Records
2018-05-12	2
2018-05-13	6
2018-05-14	10
2018-05-15	11
2018-05-16	3
2018-05-18	1
2018-05-19	1
2018-05-20	12
2018-05-21	9
2018-05-22	5
2018-05-23	2
2018-05-25	3
2018-05-26	12
2018-05-27	7
2018-05-28	8
2018-05-29	6
2018-05-30	4
2018-05-31	1

Top Records by Margin

Margin over the record replaced

Top records of Cold outbreak in United States, 12 to 31 May 2018 ranked by margin
Ochopee Florida, 05-26	4.5 C (8.1 F)
Lakeland Linder Rgnl AP, 05-20	3.9 C (7.0 F)
Myakka Rvr Sp, 05-22	3.8 C (6.8 F)
Saint Leo, 05-20	3.4 C (6.1 F)
Tampa Intl AP, 05-20	3.4 C (6.1 F)
Myakka Rvr Sp, 05-26	3.3 C (5.9 F)
Naples, 05-27	2.8 C (5.0 F)
Naples, 05-26	2.7 C (4.9 F)
Naples, 05-28	2.7 C (4.9 F)
Naples, 05-23	2.2 C (4.0 F)
Crestview FAA/AP, 05-28	2.2 C (4.0 F)
La Belle, 05-27	1.7 C (3.1 F)
Melbourne WFO, 05-15	1.7 C (3.1 F)
Ft Pierce, 05-16	1.1 C (2.0 F)
Deland 1 SSE, 05-15	1.1 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

103 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, 12 to 31 May 2018
Margin (C)	Years the old record stood
3.4	85
1.1	100
1.1	96
2.8	64
0.6	116
2.7	64
2.7	59
2.2	60
3.8	45
1.7	64
1.7	67
3.4	39
3.9	45
1.1	69
0.6	80
2.2	69
4.5	28
3.3	39
1.1	64
1.1	57
0.6	64
1.1	64
2.8	39
1.1	64
2.2	52
0.5	67
2.3	56
0.5	65
0.6	65
1.1	60
1.1	51
2.2	29
1.2	45
0.6	57
2.2	40
0.6	24
0.6	60
0.5	57
0.6	60
0.5	53
1.7	45
1.1	41
0.6	41
2.8	12
1.6	47
1.2	45
2.2	24
1.7	24
2.8	24
1.7	32
0.6	53
2.8	16
1.1	41
3.4	28
1.6	39
0.5	48
4.5	15
0.6	47
1.1	41
0.5	44
1.2	27
2.2	29
2.2	27
1.1	36
2.2	11
1.1	29
0.5	41
1.1	39
2.7	25
0.6	48
0.5	39
0.6	39
1.6	13
3.3	20
1.1	21
1.1	16
0.5	33
1.7	29
1.1	29
0.6	20
2.7	15
1.6	11
1.1	24
1.1	25
1.2	27
1.1	29
1.7	12
1.7	21
2.2	7
1.1	19
1.1	28
0.6	16
0.5	20
0.5	13
0.6	29
1.1	21
0.5	27
0.6	11
0.6	12
0.6	8
0.6	29
0.5	20
0.6	4

Compared With Other Events

Station records per event

Station records in Cold outbreak in United States, 12 to 31 May 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, 12 to 31 May 2018 (this event)	103 records

Every Record Set

20 of 103

Every record set or tied during Cold outbreak in United States, 12 to 31 May 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-05-14	Daytona Beach Intl AP	Record low maximum temperature	23.3 C (73.9 F)	0.6 C (1.1 F)	80	34 of 100 (Routine)
2018-05-15	Deland 1 SSE	Record low maximum temperature	23.3 C (73.9 F)	1.1 C (2.0 F)	96	43 of 100 (Notable)
2018-05-15	Melbourne WFO	Record low maximum temperature	23.9 C (75.0 F)	1.7 C (3.1 F)	67	35 of 100 (Notable)
2018-05-16	Ft Pierce	Record low maximum temperature	23.9 C (75.0 F)	1.1 C (2.0 F)	100	45 of 100 (Notable)
2018-05-20	Saint Leo	Record low maximum temperature	23.3 C (73.9 F)	3.4 C (6.1 F)	85	48 of 100 (Notable)
2018-05-20	Tampa Intl AP	Record low maximum temperature	24.4 C (75.9 F)	3.4 C (6.1 F)	39	35 of 100 (Notable)
2018-05-20	Lakeland Linder Rgnl AP	Record low maximum temperature	23.9 C (75.0 F)	3.9 C (7.0 F)	45	35 of 100 (Notable)
2018-05-21	Orlando Executive AP	Record low maximum temperature	26.1 C (79.0 F)	0.6 C (1.1 F)	116	42 of 100 (Notable)
2018-05-22	Myakka Rvr Sp	Record low maximum temperature	25.6 C (78.1 F)	3.8 C (6.8 F)	45	36 of 100 (Notable)
2018-05-23	Naples	Record low maximum temperature	25.6 C (78.1 F)	2.2 C (4.0 F)	60	37 of 100 (Notable)
2018-05-26	Naples	Record low maximum temperature	25.6 C (78.1 F)	2.7 C (4.9 F)	64	41 of 100 (Notable)
2018-05-26	Ochopee Florida	Record low maximum temperature	23.3 C (73.9 F)	4.5 C (8.1 F)	28	33 of 100 (Routine)
2018-05-26	Myakka Rvr Sp	Record low maximum temperature	25.6 C (78.1 F)	3.3 C (5.9 F)	39	32 of 100 (Routine)
2018-05-27	Naples	Record low maximum temperature	26.1 C (79.0 F)	2.8 C (5.0 F)	64	42 of 100 (Notable)
2018-05-27	La Belle	Record low maximum temperature	25.0 C (77.0 F)	1.7 C (3.1 F)	64	35 of 100 (Notable)
2018-05-27	Wauchula	Record low maximum temperature	26.1 C (79.0 F)	1.1 C (2.0 F)	64	32 of 100 (Routine)
2018-05-28	Naples	Record low maximum temperature	25.6 C (78.1 F)	2.7 C (4.9 F)	59	39 of 100 (Notable)
2018-05-28	Crestview FAA/AP	Record low maximum temperature	25.6 C (78.1 F)	2.2 C (4.0 F)	69	34 of 100 (Routine)
2018-05-29	Venice	Record low maximum temperature	27.8 C (82.0 F)	1.1 C (2.0 F)	57	31 of 100 (Routine)
2018-05-30	Perry	Record low maximum temperature	26.7 C (80.1 F)	1.1 C (2.0 F)	69	34 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 103 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
3.4	85
1.1	100
1.1	96
2.8	64
0.6	116
2.7	64
2.7	59
2.2	60
3.8	45
1.7	64
1.7	67
3.4	39
3.9	45
1.1	69
0.6	80
2.2	69
4.5	28
3.3	39
1.1	64
1.1	57
0.6	64
1.1	64
2.8	39
1.1	64
2.2	52
0.5	67
2.3	56
0.5	65
0.6	65
1.1	60
1.1	51
2.2	29
1.2	45
0.6	57
2.2	40
0.6	24
0.6	60
0.5	57
0.6	60
0.5	53
1.7	45
1.1	41
0.6	41
2.8	12
1.6	47
1.2	45
2.2	24
1.7	24
2.8	24
1.7	32
0.6	53
2.8	16
1.1	41
3.4	28
1.6	39
0.5	48
4.5	15
0.6	47
1.1	41
0.5	44
1.2	27
2.2	29
2.2	27
1.1	36
2.2	11
1.1	29
0.5	41
1.1	39
2.7	25
0.6	48
0.5	39
0.6	39
1.6	13
3.3	20
1.1	21
1.1	16
0.5	33
1.7	29
1.1	29
0.6	20
2.7	15
1.6	11
1.1	24
1.1	25
1.2	27
1.1	29
1.7	12
1.7	21
2.2	7
1.1	19
1.1	28
0.6	16
0.5	20
0.5	13
0.6	29
1.1	21
0.5	27
0.6	11
0.6	12
0.6	8
0.6	29
0.5	20
0.6	4

Margin (C)	Years the old record stood
3.4	85
1.1	100
1.1	96
2.8	64
0.6	116
2.7	64
2.7	59
2.2	60
3.8	45
1.7	64
1.7	67
3.4	39
3.9	45
1.1	69
0.6	80
2.2	69
4.5	28
3.3	39
1.1	64
1.1	57
0.6	64
1.1	64
2.8	39
1.1	64
2.2	52
0.5	67
2.3	56
0.5	65
0.6	65
1.1	60
1.1	51
2.2	29
1.2	45
0.6	57
2.2	40
0.6	24
0.6	60
0.5	57
0.6	60
0.5	53
1.7	45
1.1	41
0.6	41
2.8	12
1.6	47
1.2	45
2.2	24
1.7	24
2.8	24
1.7	32
0.6	53
2.8	16
1.1	41
3.4	28
1.6	39
0.5	48
4.5	15
0.6	47
1.1	41
0.5	44
1.2	27
2.2	29
2.2	27
1.1	36
2.2	11
1.1	29
0.5	41
1.1	39
2.7	25
0.6	48
0.5	39
0.6	39
1.6	13
3.3	20
1.1	21
1.1	16
0.5	33
1.7	29
1.1	29
0.6	20
2.7	15
1.6	11
1.1	24
1.1	25
1.2	27
1.1	29
1.7	12
1.7	21
2.2	7
1.1	19
1.1	28
0.6	16
0.5	20
0.5	13
0.6	29
1.1	21
0.5	27
0.6	11
0.6	12
0.6	8
0.6	29
0.5	20
0.6	4

Margin (C)	Years the old record stood
3.4	85
1.1	100
1.1	96
2.8	64
0.6	116
2.7	64
2.7	59
2.2	60
3.8	45
1.7	64
1.7	67
3.4	39
3.9	45
1.1	69
0.6	80
2.2	69
4.5	28
3.3	39
1.1	64
1.1	57
0.6	64
1.1	64
2.8	39
1.1	64
2.2	52
0.5	67
2.3	56
0.5	65
0.6	65
1.1	60
1.1	51
2.2	29
1.2	45
0.6	57
2.2	40
0.6	24
0.6	60
0.5	57
0.6	60
0.5	53
1.7	45
1.1	41
0.6	41
2.8	12
1.6	47
1.2	45
2.2	24
1.7	24
2.8	24
1.7	32
0.6	53
2.8	16
1.1	41
3.4	28
1.6	39
0.5	48
4.5	15
0.6	47
1.1	41
0.5	44
1.2	27
2.2	29
2.2	27
1.1	36
2.2	11
1.1	29
0.5	41
1.1	39
2.7	25
0.6	48
0.5	39
0.6	39
1.6	13
3.3	20
1.1	21
1.1	16
0.5	33
1.7	29
1.1	29
0.6	20
2.7	15
1.6	11
1.1	24
1.1	25
1.2	27
1.1	29
1.7	12
1.7	21
2.2	7
1.1	19
1.1	28
0.6	16
0.5	20
0.5	13
0.6	29
1.1	21
0.5	27
0.6	11
0.6	12
0.6	8
0.6	29
0.5	20
0.6	4