Snow event in United States, 17 to 24 May 2019

Name: Snow event in United States, 17 to 24 May 2019
Start: 2019-05-17
End: 2019-05-24
Location: United States

Snow event in United States, 17 to 24 May 2019: 418 records at 199 stations, peak on 21 May 2019. Closed.

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

Key Facts

Snow event in United States, 17 to 24 May 2019 set or tied 418 station records at 199 stations.
It ran from 17 May 2019 to 24 May 2019 (8 days) and its peak day was 21 May 2019.
Status: closed.
Hill City set a daily record snow depth of 35.6 cm (14.0 in) on 22 May 2019.
The busiest day was 21 May 2019 with 133 records.
The oldest broken record in the ranked list had stood for 125 years.

Footprint

17 to 24 May 2019

The area covered by Snow event in United States, 17 to 24 May 2019 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Snow event in United States, 17 to 24 May 2019: stations that set records in the event
Station	Type	Value	Date
Hill City	Record snow depth	35.6 cm (14.0 in)	2019-05-22
Agate 3 E	Record daily snowfall	20.3 cm (8.0 in)	2019-05-21
Mt Rushmore Nmem	Record snow depth	45.7 cm (18.0 in)	2019-05-21
Pavillion	Record daily snowfall	15.2 cm (6.0 in)	2019-05-22
Mesa Verde Np	Record daily snowfall	12.7 cm (5.0 in)	2019-05-21
Custer	Record snow depth	27.9 cm (11.0 in)	2019-05-21
Leroy 5 WSW	Record daily snowfall	15.2 cm (6.0 in)	2019-05-22
Ekalaka	Record daily snowfall	12.7 cm (5.0 in)	2019-05-18
Sidney 6NNW	Record daily snowfall	12.7 cm (5.0 in)	2019-05-22
Lead	Record daily snowfall	45.7 cm (18.0 in)	2019-05-22
Steamboat Springs	Record snow depth	10.2 cm (4.0 in)	2019-05-21
Telluride 4WNW	Record daily snowfall	21.6 cm (8.5 in)	2019-05-21
Harrison	Record snow depth	22.9 cm (9.0 in)	2019-05-22
Spearfish	Record daily snowfall	24.1 cm (9.5 in)	2019-05-22
Flagler 1S	Record daily snowfall	10.2 cm (4.0 in)	2019-05-21

Records per Day

Peak day 133

Records set or tied each day from 17 May 2019 to 24 May 2019. The most in one day was 133 on 21 May 2019.

Top Records by Margin

Margin over the record replaced

Top records of Snow event in United States, 17 to 24 May 2019 ranked by margin
Mt Rushmore Nmem, 05-22	43.2 cm (17.0 in)
Lead, 05-22	38.1 cm (15.0 in)
Lead, 05-22	38.1 cm (15.0 in)
Hill City, 05-22	35.6 cm (14.0 in)
Custer, 05-21	27.9 cm (11.0 in)
Hill City, 05-22	24.4 cm (9.6 in)
Spearfish, 05-22	24.1 cm (9.5 in)
Hill City, 05-23	22.9 cm (9.0 in)
Harrison, 05-22	22.9 cm (9.0 in)
Mt Rushmore Nmem, 05-21	22.8 cm (9.0 in)
Agate 3 E, 05-21	20.3 cm (8.0 in)
Pavillion, 05-22	15.2 cm (6.0 in)
Leroy 5 WSW, 05-22	15.2 cm (6.0 in)
Telluride 4WNW, 05-21	15.2 cm (6.0 in)
Mesa Verde Np, 05-21	12.7 cm (5.0 in)

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

Margin Against Age of the Broken Record

418 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 Snow event in United States, 17 to 24 May 2019
Margin (mm)	Years the old record stood
356	109
203	116
228	54
229	109
152	100
127	96
244	109
152	125
279	92
127	119
127	108
381	61
381	102
432	56
102	102
152	102
229	125
241	113
102	98
76	81
109	100
51	97
183	125
102	122
102	122
102	106
200	70
127	69
76	92
102	125
127	84
76	106
102	116
89	116
56	119
102	109
102	60
152	113
152	113
102	109
142	54
86	92
178	56
56	119
81	104
127	122
127	92
254	36
51	120
51	102
152	52
76	104
76	109
76	77
48	108
127	92
51	114
53	106
51	110
254	73
51	92
86	88
76	109
69	120
38	116
43	122
89	66
114	66
64	120
50	104
152	58
76	92
76	92
51	96
51	88
76	116
38	102
38	123
76	120
69	125
51	90
127	122
53	123
25	109
152	62
102	66
66	69
76	125
76	125
51	86
51	123
127	68
25	114
152	69
38	104
25	122
102	65
25	122
76	108
25	109
25	109
25	104
168	32
25	108
38	58
25	102
51	80
132	17
51	94
25	120
13	125
51	96
25	110
51	84
25	104
39	94
38	86
25	117
127	69
145	17
15	104
25	116
25	116
15	116
51	92
76	68
13	125
76	69
13	101
25	117
25	117
76	69
76	69
8	112
5	106
127	62
102	56
127	69
5	119
127	69
8	116
8	116
25	122
25	104
178	70
25	102
13	113
13	113
51	80
130	70
102	69
2	100
76	76
26	65
76	64
5	105
102	69
20	86
80	70
127	56
102	69
102	73
51	69
74	70
76	68
13	92
38	89
152	58
160	24
51	68
76	69
51	68
102	70
102	64
8	84
51	66
144	17
61	60
51	66
46	54
51	68
145	54
51	68
51	68
38	70
102	77
28	76
51	69
51	69
5	88
64	58
25	76
152	52
51	65
26	54
51	64
25	69
77	49
51	70
127	8

Compared With Other Events

Station records per event

Station records in Snow event in United States, 17 to 24 May 2019 compared with similar events
Snow event in United States, 3 to 27 January 2024	2,190 records
Snow event in United States, 24 November to 22 December 2025	1,539 records
Snow event in United States, 9 to 29 April 2022	1,475 records
Snow event in United States, 27 September to 17 October 2018	1,247 records
Snow event in United States, 26 September to 23 October 2019	1,194 records
Snow event in United States, 17 to 24 May 2019 (this event)	418 records

Every Record Set

20 of 418

Every record set or tied during Snow event in United States, 17 to 24 May 2019, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2019-05-18	Ekalaka	Record daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	119	65 of 100 (Major)
2019-05-21	Agate 3 E	Record daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	116	79 of 100 (Major)
2019-05-21	Mt Rushmore Nmem	Record snow depth	45.7 cm (18.0 in)	22.8 cm (9.0 in)	54	71 of 100 (Major)
2019-05-21	Mesa Verde Np	Record daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	96	69 of 100 (Major)
2019-05-21	Custer	Record snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	92	67 of 100 (Major)
2019-05-21	Steamboat Springs	Record snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	102	60 of 100 (Major)
2019-05-21	Telluride 4WNW	Record daily snowfall	21.6 cm (8.5 in)	15.2 cm (6.0 in)	102	60 of 100 (Major)
2019-05-21	Flagler 1S	Record daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	98	59 of 100 (Notable)
2019-05-21	Custer	Record daily snowfall	27.9 cm (11.0 in)	7.6 cm (3.0 in)	81	59 of 100 (Notable)
2019-05-22	Hill City	Record snow depth	35.6 cm (14.0 in)	35.6 cm (14.0 in)	109	80 of 100 (Exceptional)
2019-05-22	Pavillion	Record daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	100	70 of 100 (Major)
2019-05-22	Hill City	Record daily snowfall	24.4 cm (9.6 in)	24.4 cm (9.6 in)	109	68 of 100 (Major)
2019-05-22	Leroy 5 WSW	Record daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	125	67 of 100 (Major)
2019-05-22	Sidney 6NNW	Record daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	108	65 of 100 (Major)
2019-05-22	Lead	Record daily snowfall	45.7 cm (18.0 in)	38.1 cm (15.0 in)	61	64 of 100 (Major)
2019-05-22	Lead	Record snow depth	38.1 cm (15.0 in)	38.1 cm (15.0 in)	102	62 of 100 (Major)
2019-05-22	Mt Rushmore Nmem	Record snow depth	43.2 cm (17.0 in)	43.2 cm (17.0 in)	56	62 of 100 (Major)
2019-05-22	Harrison	Record snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	125	60 of 100 (Major)
2019-05-22	Spearfish	Record daily snowfall	24.1 cm (9.5 in)	24.1 cm (9.5 in)	113	60 of 100 (Major)
2019-05-23	Hill City	Record snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	109	70 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 418 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.

Date	Records
2019-05-17	5
2019-05-18	61
2019-05-19	33
2019-05-20	37
2019-05-21	133
2019-05-22	103
2019-05-23	32
2019-05-24	14

Margin (mm)	Years the old record stood
356	109
203	116
228	54
229	109
152	100
127	96
244	109
152	125
279	92
127	119
127	108
381	61
381	102
432	56
102	102
152	102
229	125
241	113
102	98
76	81
109	100
51	97
183	125
102	122
102	122
102	106
200	70
127	69
76	92
102	125
127	84
76	106
102	116
89	116
56	119
102	109
102	60
152	113
152	113
102	109
142	54
86	92
178	56
56	119
81	104
127	122
127	92
254	36
51	120
51	102
152	52
76	104
76	109
76	77
48	108
127	92
51	114
53	106
51	110
254	73
51	92
86	88
76	109
69	120
38	116
43	122
89	66
114	66
64	120
50	104
152	58
76	92
76	92
51	96
51	88
76	116
38	102
38	123
76	120
69	125
51	90
127	122
53	123
25	109
152	62
102	66
66	69
76	125
76	125
51	86
51	123
127	68
25	114
152	69
38	104
25	122
102	65
25	122
76	108
25	109
25	109
25	104
168	32
25	108
38	58
25	102
51	80
132	17
51	94
25	120
13	125
51	96
25	110
51	84
25	104
39	94
38	86
25	117
127	69
145	17
15	104
25	116
25	116
15	116
51	92
76	68
13	125
76	69
13	101
25	117
25	117
76	69
76	69
8	112
5	106
127	62
102	56
127	69
5	119
127	69
8	116
8	116
25	122
25	104
178	70
25	102
13	113
13	113
51	80
130	70
102	69
2	100
76	76
26	65
76	64
5	105
102	69
20	86
80	70
127	56
102	69
102	73
51	69
74	70
76	68
13	92
38	89
152	58
160	24
51	68
76	69
51	68
102	70
102	64
8	84
51	66
144	17
61	60
51	66
46	54
51	68
145	54
51	68
51	68
38	70
102	77
28	76
51	69
51	69
5	88
64	58
25	76
152	52
51	65
26	54
51	64
25	69
77	49
51	70
127	8

Margin (mm)	Years the old record stood
356	109
203	116
228	54
229	109
152	100
127	96
244	109
152	125
279	92
127	119
127	108
381	61
381	102
432	56
102	102
152	102
229	125
241	113
102	98
76	81
109	100
51	97
183	125
102	122
102	122
102	106
200	70
127	69
76	92
102	125
127	84
76	106
102	116
89	116
56	119
102	109
102	60
152	113
152	113
102	109
142	54
86	92
178	56
56	119
81	104
127	122
127	92
254	36
51	120
51	102
152	52
76	104
76	109
76	77
48	108
127	92
51	114
53	106
51	110
254	73
51	92
86	88
76	109
69	120
38	116
43	122
89	66
114	66
64	120
50	104
152	58
76	92
76	92
51	96
51	88
76	116
38	102
38	123
76	120
69	125
51	90
127	122
53	123
25	109
152	62
102	66
66	69
76	125
76	125
51	86
51	123
127	68
25	114
152	69
38	104
25	122
102	65
25	122
76	108
25	109
25	109
25	104
168	32
25	108
38	58
25	102
51	80
132	17
51	94
25	120
13	125
51	96
25	110
51	84
25	104
39	94
38	86
25	117
127	69
145	17
15	104
25	116
25	116
15	116
51	92
76	68
13	125
76	69
13	101
25	117
25	117
76	69
76	69
8	112
5	106
127	62
102	56
127	69
5	119
127	69
8	116
8	116
25	122
25	104
178	70
25	102
13	113
13	113
51	80
130	70
102	69
2	100
76	76
26	65
76	64
5	105
102	69
20	86
80	70
127	56
102	69
102	73
51	69
74	70
76	68
13	92
38	89
152	58
160	24
51	68
76	69
51	68
102	70
102	64
8	84
51	66
144	17
61	60
51	66
46	54
51	68
145	54
51	68
51	68
38	70
102	77
28	76
51	69
51	69
5	88
64	58
25	76
152	52
51	65
26	54
51	64
25	69
77	49
51	70
127	8

Margin (mm)	Years the old record stood
356	109
203	116
228	54
229	109
152	100
127	96
244	109
152	125
279	92
127	119
127	108
381	61
381	102
432	56
102	102
152	102
229	125
241	113
102	98
76	81
109	100
51	97
183	125
102	122
102	122
102	106
200	70
127	69
76	92
102	125
127	84
76	106
102	116
89	116
56	119
102	109
102	60
152	113
152	113
102	109
142	54
86	92
178	56
56	119
81	104
127	122
127	92
254	36
51	120
51	102
152	52
76	104
76	109
76	77
48	108
127	92
51	114
53	106
51	110
254	73
51	92
86	88
76	109
69	120
38	116
43	122
89	66
114	66
64	120
50	104
152	58
76	92
76	92
51	96
51	88
76	116
38	102
38	123
76	120
69	125
51	90
127	122
53	123
25	109
152	62
102	66
66	69
76	125
76	125
51	86
51	123
127	68
25	114
152	69
38	104
25	122
102	65
25	122
76	108
25	109
25	109
25	104
168	32
25	108
38	58
25	102
51	80
132	17
51	94
25	120
13	125
51	96
25	110
51	84
25	104
39	94
38	86
25	117
127	69
145	17
15	104
25	116
25	116
15	116
51	92
76	68
13	125
76	69
13	101
25	117
25	117
76	69
76	69
8	112
5	106
127	62
102	56
127	69
5	119
127	69
8	116
8	116
25	122
25	104
178	70
25	102
13	113
13	113
51	80
130	70
102	69
2	100
76	76
26	65
76	64
5	105
102	69
20	86
80	70
127	56
102	69
102	73
51	69
74	70
76	68
13	92
38	89
152	58
160	24
51	68
76	69
51	68
102	70
102	64
8	84
51	66
144	17
61	60
51	66
46	54
51	68
145	54
51	68
51	68
38	70
102	77
28	76
51	69
51	69
5	88
64	58
25	76
152	52
51	65
26	54
51	64
25	69
77	49
51	70
127	8