Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022

Name: Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022
Start: 2021-12-18
End: 2022-01-04
Location: United States, Mexico

Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022: 1,129 records at 877 stations, peak on 24 December 2021. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022 set or tied 1,129 station records at 877 stations.
It ran from 18 December 2021 to 4 January 2022 (18 days) and its peak day was 24 December 2021.
Status: closed.
Hebgen Dam set a daily record precipitation of 47.5 mm (1.9 in) on 31 December 2021.
The busiest day was 24 December 2021 with 230 records.
The oldest broken record in the ranked list had stood for 127 years.

Footprint

18 December 2021 to 4 January 2022

The area covered by Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022: stations that set records in the event
Station	Type	Value	Date
Hebgen Dam	Record daily precipitation	47.5 mm (1.9 in)	2021-12-31
Batesville Lvstk	Record daily precipitation	98.3 mm (3.9 in)	2022-01-01
Sines Deep Creek	Record daily precipitation	50.8 mm (2.0 in)	2022-01-02
U C L A	Record daily precipitation	109.0 mm (4.3 in)	2021-12-30
Bluestone Lake	Record daily precipitation	53.1 mm (2.1 in)	2022-01-02
Plummer 3 WSW	Record daily precipitation	126.2 mm (5.0 in)	2021-12-22
Kanab	Record daily precipitation	38.9 mm (1.5 in)	2021-12-24
Blue Mtn Dam	Record daily precipitation	183.6 mm (7.2 in)	2022-01-01
Blue Canyon Nyack AP	Record daily precipitation	174.0 mm (6.9 in)	2021-12-26
Buckhannon	Record daily precipitation	43.9 mm (1.7 in)	2022-01-02
Whitman Mission	Record daily precipitation	28.2 mm (1.1 in)	2021-12-20
McDermitt	Record daily precipitation	43.2 mm (1.7 in)	2021-12-25
Lewisburg Exp STN	Record daily precipitation	101.6 mm (4.0 in)	2022-01-03
Bayard	Record daily precipitation	44.5 mm (1.8 in)	2022-01-02
Ashton 1N	Record daily precipitation	33.5 mm (1.3 in)	2021-12-27
Buckhorn Lake	Record daily precipitation	54.1 mm (2.1 in)	2022-01-01
Arlington	Record daily precipitation	20.8 mm (0.8 in)	2021-12-20
Fruita	Record daily precipitation	24.1 mm (0.9 in)	2021-12-25
Rangely 1E	Record daily precipitation	18.3 mm (0.7 in)	2021-12-31
Canjilon R/S	Record daily precipitation	24.1 mm (0.9 in)	2021-12-31

Records per Day

Peak day 230

Records set or tied each day from 18 December 2021 to 4 January 2022. The most in one day was 230 on 24 December 2021.

Records per day during Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022
Date	Records
2021-12-18	14
2021-12-19	39
2021-12-20	21
2021-12-21	7
2021-12-22	7
2021-12-23	155
2021-12-24	230
2021-12-25	39
2021-12-26	38
2021-12-27	47
2021-12-28	18
2021-12-29	2
2021-12-30	54
2021-12-31	101
2022-01-01	145
2022-01-02	136
2022-01-03	71
2022-01-04	5

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022 ranked by margin
Blue Canyon Nyack AP, 12-26	97.3 mm (3.8 in)
U C L A, 12-30	77.2 mm (3.0 in)
Blue Mtn Dam, 01-01	69.8 mm (2.7 in)
Batesville Lvstk, 01-01	66.0 mm (2.6 in)
Lewisburg Exp STN, 01-03	56.4 mm (2.2 in)
Plummer 3 WSW, 12-22	41.9 mm (1.6 in)
Buckhorn Lake, 01-01	37.6 mm (1.5 in)
Hebgen Dam, 12-31	32.3 mm (1.3 in)
Bluestone Lake, 01-02	30.0 mm (1.2 in)
Sines Deep Creek, 01-02	27.4 mm (1.1 in)
Kanab, 12-24	23.9 mm (0.9 in)
McDermitt, 12-25	21.4 mm (0.8 in)
Whitman Mission, 12-20	19.1 mm (0.8 in)
Bayard, 01-02	16.8 mm (0.7 in)
Fruita, 12-25	16.2 mm (0.6 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

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 Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022
Margin (mm)	Years the old record stood
16	116
32	99
66	80
27	84
77	70
30	75
42	0
24	80
70	23
11	71
16	103
97	66
21	5
15	74
11	96
56	40
19	52
17	92
4	115
38	46
31	32
19	98
19	56
23	59
6	106
33	45
13	104
79	30
16	59
9	68
13	74
7	84
94	52
11	100
33	38
47	70
25	56
8	76
15	32
33	34
33	34
6	68
8	55
13	32
16	62
30	48
74	32
7	2
13	84
11	56
11	59
9	46
21	78
30	48
8	74
18	103
11	92
39	44
26	56
24	28
15	52
31	24
25	62
27	74
15	26
13	14
12	48
11	59
26	43
53	26
41	32
41	40
15	86
20	35
6	116
37	56
13	59
7	75
21	43
38	40
38	34
2	115
35	56
4	103
3	108
13	38
20	43
19	56
30	0
31	44
9	76
27	70
3	114
6	67
4	127
4	115
15	78
8	116
11	67
3	104
34	18
7	56
6	74
18	84
21	56
25	70
3	108
10	56
2	111
4	103
9	98
10	74
66	7
31	8
31	4
5	71
21	74
32	44
5	67
21	43
4	80
5	84
15	34
12	22
8	80
30	43
28	68
33	18
24	34
16	43
14	56
36	32
18	39
33	2
43	50
33	44
1	111
1	108
3	115
6	72
12	11
3	88
18	16
6	90
20	43
12	23
1	82
10	38
23	8
25	40
5	71
12	70
1	96
28	40
2	124
14	44
7	62
14	56
22	48
12	38
9	50
19	8
6	86
1	115
15	24
20	4
13	7
28	23
10	40
15	40
12	34
28	40
11	76
37	12
14	79
9	59
10	80
5	76
9	62
10	40
12	26
5	84
20	50
1	99
69	2
10	19
16	62
8	66
14	80
10	36
4	92
14	52
13	56
14	48
5	84
6	56
6	84
4	84
3	66
13	35

Compared With Other Events

Station records per event

Station records in Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022 (this event)	1,129 records

Every Record Set

20 of 1,129

Every record set or tied during Extreme rain in United States and Mexico, 18 December 2021 to 4 January 2022, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-12-20	Whitman Mission	Record daily precipitation	28.2 mm (1.1 in)	19.1 mm (0.8 in)	52	61 of 100 (Major)
2021-12-20	Arlington	Record daily precipitation	20.8 mm (0.8 in)	11.1 mm (0.4 in)	96	20 of 100 (Routine)
2021-12-22	Plummer 3 WSW	Record daily precipitation	126.2 mm (5.0 in)	41.9 mm (1.6 in)	0	67 of 100 (Major)
2021-12-24	Kanab	Record daily precipitation	38.9 mm (1.5 in)	23.9 mm (0.9 in)	80	66 of 100 (Major)
2021-12-25	McDermitt	Record daily precipitation	43.2 mm (1.7 in)	21.4 mm (0.8 in)	5	61 of 100 (Major)
2021-12-25	Fruita	Record daily precipitation	24.1 mm (0.9 in)	16.2 mm (0.6 in)	116	20 of 100 (Routine)
2021-12-26	Blue Canyon Nyack AP	Record daily precipitation	174.0 mm (6.9 in)	97.3 mm (3.8 in)	66	62 of 100 (Major)
2021-12-27	Ashton 1N	Record daily precipitation	33.5 mm (1.3 in)	4.3 mm (0.17 in)	115	59 of 100 (Notable)
2021-12-30	U C L A	Record daily precipitation	109.0 mm (4.3 in)	77.2 mm (3.0 in)	70	69 of 100 (Major)
2021-12-31	Hebgen Dam	Record daily precipitation	47.5 mm (1.9 in)	32.3 mm (1.3 in)	99	79 of 100 (Major)
2021-12-31	Rangely 1E	Record daily precipitation	18.3 mm (0.7 in)	10.9 mm (0.4 in)	71	20 of 100 (Routine)
2021-12-31	Canjilon R/S	Record daily precipitation	24.1 mm (0.9 in)	15.2 mm (0.6 in)	74	20 of 100 (Routine)
2022-01-01	Batesville Lvstk	Record daily precipitation	98.3 mm (3.9 in)	66.0 mm (2.6 in)	80	72 of 100 (Major)
2022-01-01	Blue Mtn Dam	Record daily precipitation	183.6 mm (7.2 in)	69.8 mm (2.7 in)	23	65 of 100 (Major)
2022-01-01	Buckhorn Lake	Record daily precipitation	54.1 mm (2.1 in)	37.6 mm (1.5 in)	46	59 of 100 (Notable)
2022-01-02	Sines Deep Creek	Record daily precipitation	50.8 mm (2.0 in)	27.4 mm (1.1 in)	84	72 of 100 (Major)
2022-01-02	Bluestone Lake	Record daily precipitation	53.1 mm (2.1 in)	30.0 mm (1.2 in)	75	68 of 100 (Major)
2022-01-02	Buckhannon	Record daily precipitation	43.9 mm (1.7 in)	16.0 mm (0.6 in)	103	62 of 100 (Major)
2022-01-02	Bayard	Record daily precipitation	44.5 mm (1.8 in)	16.8 mm (0.7 in)	92	60 of 100 (Major)
2022-01-03	Lewisburg Exp STN	Record daily precipitation	101.6 mm (4.0 in)	56.4 mm (2.2 in)	40	61 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 1,129 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (mm)	Years the old record stood
16	116
32	99
66	80
27	84
77	70
30	75
42	0
24	80
70	23
11	71
16	103
97	66
21	5
15	74
11	96
56	40
19	52
17	92
4	115
38	46
31	32
19	98
19	56
23	59
6	106
33	45
13	104
79	30
16	59
9	68
13	74
7	84
94	52
11	100
33	38
47	70
25	56
8	76
15	32
33	34
33	34
6	68
8	55
13	32
16	62
30	48
74	32
7	2
13	84
11	56
11	59
9	46
21	78
30	48
8	74
18	103
11	92
39	44
26	56
24	28
15	52
31	24
25	62
27	74
15	26
13	14
12	48
11	59
26	43
53	26
41	32
41	40
15	86
20	35
6	116
37	56
13	59
7	75
21	43
38	40
38	34
2	115
35	56
4	103
3	108
13	38
20	43
19	56
30	0
31	44
9	76
27	70
3	114
6	67
4	127
4	115
15	78
8	116
11	67
3	104
34	18
7	56
6	74
18	84
21	56
25	70
3	108
10	56
2	111
4	103
9	98
10	74
66	7
31	8
31	4
5	71
21	74
32	44
5	67
21	43
4	80
5	84
15	34
12	22
8	80
30	43
28	68
33	18
24	34
16	43
14	56
36	32
18	39
33	2
43	50
33	44
1	111
1	108
3	115
6	72
12	11
3	88
18	16
6	90
20	43
12	23
1	82
10	38
23	8
25	40
5	71
12	70
1	96
28	40
2	124
14	44
7	62
14	56
22	48
12	38
9	50
19	8
6	86
1	115
15	24
20	4
13	7
28	23
10	40
15	40
12	34
28	40
11	76
37	12
14	79
9	59
10	80
5	76
9	62
10	40
12	26
5	84
20	50
1	99
69	2
10	19
16	62
8	66
14	80
10	36
4	92
14	52
13	56
14	48
5	84
6	56
6	84
4	84
3	66
13	35

Margin (mm)	Years the old record stood
16	116
32	99
66	80
27	84
77	70
30	75
42	0
24	80
70	23
11	71
16	103
97	66
21	5
15	74
11	96
56	40
19	52
17	92
4	115
38	46
31	32
19	98
19	56
23	59
6	106
33	45
13	104
79	30
16	59
9	68
13	74
7	84
94	52
11	100
33	38
47	70
25	56
8	76
15	32
33	34
33	34
6	68
8	55
13	32
16	62
30	48
74	32
7	2
13	84
11	56
11	59
9	46
21	78
30	48
8	74
18	103
11	92
39	44
26	56
24	28
15	52
31	24
25	62
27	74
15	26
13	14
12	48
11	59
26	43
53	26
41	32
41	40
15	86
20	35
6	116
37	56
13	59
7	75
21	43
38	40
38	34
2	115
35	56
4	103
3	108
13	38
20	43
19	56
30	0
31	44
9	76
27	70
3	114
6	67
4	127
4	115
15	78
8	116
11	67
3	104
34	18
7	56
6	74
18	84
21	56
25	70
3	108
10	56
2	111
4	103
9	98
10	74
66	7
31	8
31	4
5	71
21	74
32	44
5	67
21	43
4	80
5	84
15	34
12	22
8	80
30	43
28	68
33	18
24	34
16	43
14	56
36	32
18	39
33	2
43	50
33	44
1	111
1	108
3	115
6	72
12	11
3	88
18	16
6	90
20	43
12	23
1	82
10	38
23	8
25	40
5	71
12	70
1	96
28	40
2	124
14	44
7	62
14	56
22	48
12	38
9	50
19	8
6	86
1	115
15	24
20	4
13	7
28	23
10	40
15	40
12	34
28	40
11	76
37	12
14	79
9	59
10	80
5	76
9	62
10	40
12	26
5	84
20	50
1	99
69	2
10	19
16	62
8	66
14	80
10	36
4	92
14	52
13	56
14	48
5	84
6	56
6	84
4	84
3	66
13	35

Margin (mm)	Years the old record stood
16	116
32	99
66	80
27	84
77	70
30	75
42	0
24	80
70	23
11	71
16	103
97	66
21	5
15	74
11	96
56	40
19	52
17	92
4	115
38	46
31	32
19	98
19	56
23	59
6	106
33	45
13	104
79	30
16	59
9	68
13	74
7	84
94	52
11	100
33	38
47	70
25	56
8	76
15	32
33	34
33	34
6	68
8	55
13	32
16	62
30	48
74	32
7	2
13	84
11	56
11	59
9	46
21	78
30	48
8	74
18	103
11	92
39	44
26	56
24	28
15	52
31	24
25	62
27	74
15	26
13	14
12	48
11	59
26	43
53	26
41	32
41	40
15	86
20	35
6	116
37	56
13	59
7	75
21	43
38	40
38	34
2	115
35	56
4	103
3	108
13	38
20	43
19	56
30	0
31	44
9	76
27	70
3	114
6	67
4	127
4	115
15	78
8	116
11	67
3	104
34	18
7	56
6	74
18	84
21	56
25	70
3	108
10	56
2	111
4	103
9	98
10	74
66	7
31	8
31	4
5	71
21	74
32	44
5	67
21	43
4	80
5	84
15	34
12	22
8	80
30	43
28	68
33	18
24	34
16	43
14	56
36	32
18	39
33	2
43	50
33	44
1	111
1	108
3	115
6	72
12	11
3	88
18	16
6	90
20	43
12	23
1	82
10	38
23	8
25	40
5	71
12	70
1	96
28	40
2	124
14	44
7	62
14	56
22	48
12	38
9	50
19	8
6	86
1	115
15	24
20	4
13	7
28	23
10	40
15	40
12	34
28	40
11	76
37	12
14	79
9	59
10	80
5	76
9	62
10	40
12	26
5	84
20	50
1	99
69	2
10	19
16	62
8	66
14	80
10	36
4	92
14	52
13	56
14	48
5	84
6	56
6	84
4	84
3	66
13	35