Extreme rain in United States and Mexico, 25 November to 3 December 2020

Name: Extreme rain in United States and Mexico, 25 November to 3 December 2020
Start: 2020-11-25
End: 2020-12-03
Location: United States, Mexico

Extreme rain in United States and Mexico, 25 November to 3 December 2020: 323 records at 311 stations, peak on 30 November 2020. Closed.

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

Key Facts

Extreme rain in United States and Mexico, 25 November to 3 December 2020 set or tied 323 station records at 311 stations.
It ran from 25 November 2020 to 3 December 2020 (9 days) and its peak day was 30 November 2020.
Status: closed.
Pinkham Notch set a daily record precipitation of 105.9 mm (4.2 in) on 1 December 2020.
The busiest day was 30 November 2020 with 137 records.
The oldest broken record in the ranked list had stood for 123 years.

Footprint

25 November to 3 December 2020

The area covered by Extreme rain in United States and Mexico, 25 November to 3 December 2020 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, 25 November to 3 December 2020: stations that set records in the event
Station	Type	Value	Date
Pinkham Notch	Record daily precipitation	105.9 mm (4.2 in)	2020-12-01
Austwell	Record daily precipitation	78.2 mm (3.1 in)	2020-11-29
Greene	Record daily precipitation	90.7 mm (3.6 in)	2020-12-01
Palacios Muni AP	Record daily precipitation	96.5 mm (3.8 in)	2020-11-28
George W 2 SSW	Record daily precipitation	57.9 mm (2.3 in)	2020-11-29
Charlotteburg Rsvr	Record daily precipitation	63.8 mm (2.5 in)	2020-12-01
Houston-Westbury	Record daily precipitation	108.5 mm (4.3 in)	2020-11-28
Canoe Brook	Record daily precipitation	54.1 mm (2.1 in)	2020-12-01
Wilmington Porter Rsch	Record daily precipitation	60.7 mm (2.4 in)	2020-11-30
Waynesboro 2 W	Record daily precipitation	87.9 mm (3.5 in)	2020-11-30
Lexington	Record daily precipitation	52.1 mm (2.1 in)	2020-11-30
Baltimore-Washington Intl AP	Record daily precipitation	69.6 mm (2.7 in)	2020-11-30
Oak Ridge Rsvr	Record daily precipitation	69.1 mm (2.7 in)	2020-12-01
Washington Reagan Natl AP	Record daily precipitation	60.7 mm (2.4 in)	2020-11-30
W Pt	Record daily precipitation	50.8 mm (2.0 in)	2020-12-01
Phillipsburg-Easton Brg	Record daily precipitation	76.2 mm (3.0 in)	2020-12-01
Liberty	Record daily precipitation	94.2 mm (3.7 in)	2020-11-28
Pt Comfort	Record daily precipitation	70.9 mm (2.8 in)	2020-11-29
Berlin	Record daily precipitation	40.9 mm (1.6 in)	2020-12-01
Gonzales 2S	Record daily precipitation	49.5 mm (1.9 in)	2020-11-28

Records per Day

Peak day 137

Records set or tied each day from 25 November 2020 to 3 December 2020. The most in one day was 137 on 30 November 2020.

Records per day during Extreme rain in United States and Mexico, 25 November to 3 December 2020
Date	Records
2020-11-25	2
2020-11-26	1
2020-11-27	3
2020-11-28	40
2020-11-29	32
2020-11-30	137
2020-12-01	104
2020-12-02	3
2020-12-03	1

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States and Mexico, 25 November to 3 December 2020 ranked by margin
Palacios Muni AP, 11-28	75.4 mm (3.0 in)
Houston-Westbury, 11-28	69.1 mm (2.7 in)
Pt Comfort, 11-29	65.8 mm (2.6 in)
Pinkham Notch, 12-01	52.3 mm (2.1 in)
Liberty, 11-28	48.7 mm (1.9 in)
Austwell, 11-29	47.2 mm (1.9 in)
Oak Ridge Rsvr, 12-01	40.7 mm (1.6 in)
Baltimore-Washington Intl AP, 11-30	39.4 mm (1.6 in)
George W 2 SSW, 11-29	38.1 mm (1.5 in)
Washington Reagan Natl AP, 11-30	34.3 mm (1.4 in)
Waynesboro 2 W, 11-30	29.5 mm (1.2 in)
Canoe Brook, 12-01	28.7 mm (1.1 in)
Wilmington Porter Rsch, 11-30	28.2 mm (1.1 in)
Charlotteburg Rsvr, 12-01	27.2 mm (1.1 in)
Gonzales 2S, 11-28	25.6 mm (1.0 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

323 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, 25 November to 3 December 2020
Margin (mm)	Years the old record stood
52	86
47	107
25	36
27	100
38	86
75	44
69	57
29	86
28	86
30	107
21	118
39	53
41	48
16	103
34	53
18	53
49	56
16	76
66	46
26	77
20	90
54	9
39	19
8	118
19	78
50	63
8	118
35	43
33	48
22	48
46	10
26	48
30	72
51	34
40	4
12	90
6	100
37	24
7	100
33	43
10	122
41	15
40	35
35	43
41	15
4	103
5	118
4	106
23	57
6	97
23	48
4	123
19	57
43	4
5	97
7	86
2	118
32	43
59	19
37	68
2	106
26	43
16	63
36	16
0	100
48	41
30	33
19	23
25	33
24	43
10	78
5	90
36	4
6	86
10	76
3	90
24	43
1	93
4	76
31	24
35	12
27	4
36	4
10	78
26	19
18	43
20	33
12	48
16	43
3	86
27	57
39	17
17	63
19	51
7	76
36	15
25	35
18	10
30	4
36	5
27	57
10	53
16	68
16	33
27	4
18	39
21	43
3	76
32	4
10	48
27	44
28	34
33	4
31	15
26	24
31	43
17	42
17	43
14	43
7	63
25	4
11	43
17	35
27	33
23	51
6	63
12	33
26	34
13	33
14	43
11	8
26	4
8	34
2	68
8	68
5	68
31	35
12	27
29	4
13	44
17	57
1	68
13	14
12	48
19	33
21	15
20	12
24	4
11	35
1	71
6	57
13	35
13	35
20	33
25	4
28	4
4	63
2	68
17	38
4	53
4	57
19	16
14	43
2	16
3	63
13	34
7	19
23	16
10	8
6	43
10	35
16	15
5	49
4	48
14	14
13	24
13	15
6	53
8	35
7	33
18	4
10	35
18	12
22	4
1	62
8	33
15	4
11	43
19	10
6	35
11	23
12	10
18	4
28	19
23	23
21	19
2	52
9	33
5	34
7	43

Compared With Other Events

Station records per event

Station records in Extreme rain in United States and Mexico, 25 November to 3 December 2020 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, 25 November to 3 December 2020 (this event)	323 records

Every Record Set

20 of 323

Every record set or tied during Extreme rain in United States and Mexico, 25 November to 3 December 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-11-28	Palacios Muni AP	Record daily precipitation	96.5 mm (3.8 in)	75.4 mm (3.0 in)	44	60 of 100 (Major)
2020-11-28	Houston-Westbury	Record daily precipitation	108.5 mm (4.3 in)	69.1 mm (2.7 in)	57	59 of 100 (Notable)
2020-11-28	Liberty	Record daily precipitation	94.2 mm (3.7 in)	48.7 mm (1.9 in)	56	49 of 100 (Notable)
2020-11-28	Gonzales 2S	Record daily precipitation	49.5 mm (1.9 in)	25.6 mm (1.0 in)	77	48 of 100 (Notable)
2020-11-29	Austwell	Record daily precipitation	78.2 mm (3.1 in)	47.2 mm (1.9 in)	107	72 of 100 (Major)
2020-11-29	George W 2 SSW	Record daily precipitation	57.9 mm (2.3 in)	38.1 mm (1.5 in)	86	60 of 100 (Major)
2020-11-29	Pt Comfort	Record daily precipitation	70.9 mm (2.8 in)	65.8 mm (2.6 in)	46	49 of 100 (Notable)
2020-11-30	Wilmington Porter Rsch	Record daily precipitation	60.7 mm (2.4 in)	28.2 mm (1.1 in)	86	56 of 100 (Notable)
2020-11-30	Waynesboro 2 W	Record daily precipitation	87.9 mm (3.5 in)	29.5 mm (1.2 in)	107	56 of 100 (Notable)
2020-11-30	Lexington	Record daily precipitation	52.1 mm (2.1 in)	21.1 mm (0.8 in)	118	56 of 100 (Notable)
2020-11-30	Baltimore-Washington Intl AP	Record daily precipitation	69.6 mm (2.7 in)	39.4 mm (1.6 in)	53	56 of 100 (Notable)
2020-11-30	Washington Reagan Natl AP	Record daily precipitation	60.7 mm (2.4 in)	34.3 mm (1.4 in)	53	52 of 100 (Notable)
2020-12-01	Pinkham Notch	Record daily precipitation	105.9 mm (4.2 in)	52.3 mm (2.1 in)	86	74 of 100 (Major)
2020-12-01	Greene	Record daily precipitation	90.7 mm (3.6 in)	24.7 mm (1.0 in)	36	66 of 100 (Major)
2020-12-01	Charlotteburg Rsvr	Record daily precipitation	63.8 mm (2.5 in)	27.2 mm (1.1 in)	100	60 of 100 (Major)
2020-12-01	Canoe Brook	Record daily precipitation	54.1 mm (2.1 in)	28.7 mm (1.1 in)	86	57 of 100 (Notable)
2020-12-01	Oak Ridge Rsvr	Record daily precipitation	69.1 mm (2.7 in)	40.7 mm (1.6 in)	48	54 of 100 (Notable)
2020-12-01	W Pt	Record daily precipitation	50.8 mm (2.0 in)	16.0 mm (0.6 in)	103	52 of 100 (Notable)
2020-12-01	Phillipsburg-Easton Brg	Record daily precipitation	76.2 mm (3.0 in)	17.8 mm (0.7 in)	53	50 of 100 (Notable)
2020-12-01	Berlin	Record daily precipitation	40.9 mm (1.6 in)	16.0 mm (0.6 in)	76	49 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 323 records the event counts. The counts above use the full total.

Related Headlines

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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 (mm)	Years the old record stood
52	86
47	107
25	36
27	100
38	86
75	44
69	57
29	86
28	86
30	107
21	118
39	53
41	48
16	103
34	53
18	53
49	56
16	76
66	46
26	77
20	90
54	9
39	19
8	118
19	78
50	63
8	118
35	43
33	48
22	48
46	10
26	48
30	72
51	34
40	4
12	90
6	100
37	24
7	100
33	43
10	122
41	15
40	35
35	43
41	15
4	103
5	118
4	106
23	57
6	97
23	48
4	123
19	57
43	4
5	97
7	86
2	118
32	43
59	19
37	68
2	106
26	43
16	63
36	16
0	100
48	41
30	33
19	23
25	33
24	43
10	78
5	90
36	4
6	86
10	76
3	90
24	43
1	93
4	76
31	24
35	12
27	4
36	4
10	78
26	19
18	43
20	33
12	48
16	43
3	86
27	57
39	17
17	63
19	51
7	76
36	15
25	35
18	10
30	4
36	5
27	57
10	53
16	68
16	33
27	4
18	39
21	43
3	76
32	4
10	48
27	44
28	34
33	4
31	15
26	24
31	43
17	42
17	43
14	43
7	63
25	4
11	43
17	35
27	33
23	51
6	63
12	33
26	34
13	33
14	43
11	8
26	4
8	34
2	68
8	68
5	68
31	35
12	27
29	4
13	44
17	57
1	68
13	14
12	48
19	33
21	15
20	12
24	4
11	35
1	71
6	57
13	35
13	35
20	33
25	4
28	4
4	63
2	68
17	38
4	53
4	57
19	16
14	43
2	16
3	63
13	34
7	19
23	16
10	8
6	43
10	35
16	15
5	49
4	48
14	14
13	24
13	15
6	53
8	35
7	33
18	4
10	35
18	12
22	4
1	62
8	33
15	4
11	43
19	10
6	35
11	23
12	10
18	4
28	19
23	23
21	19
2	52
9	33
5	34
7	43

Margin (mm)	Years the old record stood
52	86
47	107
25	36
27	100
38	86
75	44
69	57
29	86
28	86
30	107
21	118
39	53
41	48
16	103
34	53
18	53
49	56
16	76
66	46
26	77
20	90
54	9
39	19
8	118
19	78
50	63
8	118
35	43
33	48
22	48
46	10
26	48
30	72
51	34
40	4
12	90
6	100
37	24
7	100
33	43
10	122
41	15
40	35
35	43
41	15
4	103
5	118
4	106
23	57
6	97
23	48
4	123
19	57
43	4
5	97
7	86
2	118
32	43
59	19
37	68
2	106
26	43
16	63
36	16
0	100
48	41
30	33
19	23
25	33
24	43
10	78
5	90
36	4
6	86
10	76
3	90
24	43
1	93
4	76
31	24
35	12
27	4
36	4
10	78
26	19
18	43
20	33
12	48
16	43
3	86
27	57
39	17
17	63
19	51
7	76
36	15
25	35
18	10
30	4
36	5
27	57
10	53
16	68
16	33
27	4
18	39
21	43
3	76
32	4
10	48
27	44
28	34
33	4
31	15
26	24
31	43
17	42
17	43
14	43
7	63
25	4
11	43
17	35
27	33
23	51
6	63
12	33
26	34
13	33
14	43
11	8
26	4
8	34
2	68
8	68
5	68
31	35
12	27
29	4
13	44
17	57
1	68
13	14
12	48
19	33
21	15
20	12
24	4
11	35
1	71
6	57
13	35
13	35
20	33
25	4
28	4
4	63
2	68
17	38
4	53
4	57
19	16
14	43
2	16
3	63
13	34
7	19
23	16
10	8
6	43
10	35
16	15
5	49
4	48
14	14
13	24
13	15
6	53
8	35
7	33
18	4
10	35
18	12
22	4
1	62
8	33
15	4
11	43
19	10
6	35
11	23
12	10
18	4
28	19
23	23
21	19
2	52
9	33
5	34
7	43

Margin (mm)	Years the old record stood
52	86
47	107
25	36
27	100
38	86
75	44
69	57
29	86
28	86
30	107
21	118
39	53
41	48
16	103
34	53
18	53
49	56
16	76
66	46
26	77
20	90
54	9
39	19
8	118
19	78
50	63
8	118
35	43
33	48
22	48
46	10
26	48
30	72
51	34
40	4
12	90
6	100
37	24
7	100
33	43
10	122
41	15
40	35
35	43
41	15
4	103
5	118
4	106
23	57
6	97
23	48
4	123
19	57
43	4
5	97
7	86
2	118
32	43
59	19
37	68
2	106
26	43
16	63
36	16
0	100
48	41
30	33
19	23
25	33
24	43
10	78
5	90
36	4
6	86
10	76
3	90
24	43
1	93
4	76
31	24
35	12
27	4
36	4
10	78
26	19
18	43
20	33
12	48
16	43
3	86
27	57
39	17
17	63
19	51
7	76
36	15
25	35
18	10
30	4
36	5
27	57
10	53
16	68
16	33
27	4
18	39
21	43
3	76
32	4
10	48
27	44
28	34
33	4
31	15
26	24
31	43
17	42
17	43
14	43
7	63
25	4
11	43
17	35
27	33
23	51
6	63
12	33
26	34
13	33
14	43
11	8
26	4
8	34
2	68
8	68
5	68
31	35
12	27
29	4
13	44
17	57
1	68
13	14
12	48
19	33
21	15
20	12
24	4
11	35
1	71
6	57
13	35
13	35
20	33
25	4
28	4
4	63
2	68
17	38
4	53
4	57
19	16
14	43
2	16
3	63
13	34
7	19
23	16
10	8
6	43
10	35
16	15
5	49
4	48
14	14
13	24
13	15
6	53
8	35
7	33
18	4
10	35
18	12
22	4
1	62
8	33
15	4
11	43
19	10
6	35
11	23
12	10
18	4
28	19
23	23
21	19
2	52
9	33
5	34
7	43