Extreme rain in United States and Mexico, 6 to 11 December 2018

Name: Extreme rain in United States and Mexico, 6 to 11 December 2018
Start: 2018-12-06
End: 2018-12-11
Location: United States, Mexico

Extreme rain in United States and Mexico, 6 to 11 December 2018: 416 records at 395 stations, peak on 8 December 2018. Closed.

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

Key Facts

Extreme rain in United States and Mexico, 6 to 11 December 2018 set or tied 416 station records at 395 stations.
It ran from 6 December 2018 to 11 December 2018 (6 days) and its peak day was 8 December 2018.
Status: closed.
San Augustine set a daily record precipitation of 127.0 mm (5.0 in) on 8 December 2018.
The busiest day was 8 December 2018 with 212 records.
The oldest broken record in the ranked list had stood for 122 years.

Footprint

6 to 11 December 2018

The area covered by Extreme rain in United States and Mexico, 6 to 11 December 2018 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, 6 to 11 December 2018: stations that set records in the event
Station	Type	Value	Date
San Augustine	Record daily precipitation	127.0 mm (5.0 in)	2018-12-08
Arcadia	Record daily precipitation	116.8 mm (4.6 in)	2018-12-08
Cuero	Record daily precipitation	86.6 mm (3.4 in)	2018-12-08
Huntsville	Record daily precipitation	143.8 mm (5.7 in)	2018-12-08
Schulenburg	Record daily precipitation	97.0 mm (3.8 in)	2018-12-07
Angleton 2 W	Record daily precipitation	111.8 mm (4.4 in)	2018-12-08
Brenham	Record daily precipitation	89.4 mm (3.5 in)	2018-12-08
Conroe	Record daily precipitation	97.8 mm (3.9 in)	2018-12-08
Plain Dealing	Record daily precipitation	133.4 mm (5.3 in)	2018-12-08
Beeville 5 NE	Record daily precipitation	78.0 mm (3.1 in)	2018-12-08
Madisonville	Record daily precipitation	111.8 mm (4.4 in)	2018-12-08
Runge	Record daily precipitation	88.4 mm (3.5 in)	2018-12-08
Austin Bergstrom Intl AP	Record daily precipitation	88.6 mm (3.5 in)	2018-12-07
Cypress	Record daily precipitation	111.8 mm (4.4 in)	2018-12-08
Dime Box	Record daily precipitation	89.9 mm (3.5 in)	2018-12-08
Keithville	Record daily precipitation	100.3 mm (3.9 in)	2018-12-08
George W 2 SSW	Record daily precipitation	69.3 mm (2.7 in)	2018-12-08
Burlington Fire STN #5	Record daily precipitation	114.3 mm (4.5 in)	2018-12-09
Bay City Wtr Wks	Record daily precipitation	121.9 mm (4.8 in)	2018-12-08
Santuck	Record daily precipitation	57.2 mm (2.3 in)	2018-12-09

Records per Day

Peak day 212

Records set or tied each day from 6 December 2018 to 11 December 2018. The most in one day was 212 on 8 December 2018.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States and Mexico, 6 to 11 December 2018 ranked by margin
Huntsville, 12-08	119.7 mm (4.7 in)
San Augustine, 12-08	101.6 mm (4.0 in)
Plain Dealing, 12-08	90.5 mm (3.6 in)
Bay City Wtr Wks, 12-08	86.3 mm (3.4 in)
Arcadia, 12-08	85.0 mm (3.3 in)
Austin Bergstrom Intl AP, 12-07	74.1 mm (2.9 in)
Angleton 2 W, 12-08	72.7 mm (2.9 in)
Runge, 12-08	72.4 mm (2.9 in)
Cypress, 12-08	72.4 mm (2.9 in)
Dime Box, 12-08	71.1 mm (2.8 in)
Schulenburg, 12-07	69.6 mm (2.7 in)
Madisonville, 12-08	69.6 mm (2.7 in)
Cuero, 12-08	62.5 mm (2.5 in)
Beeville 5 NE, 12-08	55.9 mm (2.2 in)
Keithville, 12-08	54.1 mm (2.1 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

416 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, 6 to 11 December 2018
Margin (mm)	Years the old record stood
102	101
85	87
63	83
120	83
70	83
73	83
52	83
54	87
91	57
56	57
70	57
72	57
72	57
71	57
74	57
54	71
35	92
29	59
24	112
86	29
74	29
97	36
51	64
77	20
60	20
72	40
23	53
84	16
77	29
72	32
120	20
84	29
38	71
64	29
22	87
17	74
17	68
60	20
17	112
50	56
43	57
13	103
84	20
71	20
35	57
11	84
58	20
14	92
22	68
28	83
15	99
61	16
24	57
61	12
93	20
49	16
13	112
56	16
79	20
20	96
53	29
6	83
29	68
58	20
8	122
21	26
32	57
31	44
33	67
34	57
24	57
38	20
17	87
4	105
16	93
12	93
12	57
63	0
52	24
41	52
8	99
78	16
10	96
5	92
58	23
53	16
16	71
2	105
9	87
12	93
16	29
43	37
40	20
61	20
21	60
11	87
5	116
21	57
6	99
33	37
11	61
10	87
12	87
23	64
5	66
13	71
13	77
40	29
15	57
29	37
20	40
46	31
4	93
23	69
9	83
36	36
1	118
3	87
12	36
40	28
3	93
55	20
25	52
57	20
26	57
9	57
16	32
24	0
43	8
18	57
34	37
51	20
3	93
52	40
6	87
40	52
2	87
15	57
31	56
4	87
34	23
16	60
20	71
24	48
0	92
10	71
18	71
16	0
35	20
32	52
24	23
2	80
24	40
37	40
19	35
16	48
7	1
19	57
11	37
2	76
16	32
47	8
8	69
30	8
13	64
19	48
35	20
11	37
11	31
28	16
5	57
15	64
3	67
4	67
11	39
10	71
13	67
31	40
29	16
11	26
4	57
9	52
27	16
12	56
13	0
20	29
13	60
12	40
19	36
36	20
37	23
48	8
0	71
30	28
5	56
21	28
7	37
7	57
2	69
4	71

Compared With Other Events

Station records per event

Station records in Extreme rain in United States and Mexico, 6 to 11 December 2018 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, 6 to 11 December 2018 (this event)	416 records

Every Record Set

20 of 416

Every record set or tied during Extreme rain in United States and Mexico, 6 to 11 December 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-12-07	Schulenburg	Record daily precipitation	97.0 mm (3.8 in)	69.6 mm (2.7 in)	83	73 of 100 (Major)
2018-12-07	Austin Bergstrom Intl AP	Record daily precipitation	88.6 mm (3.5 in)	74.1 mm (2.9 in)	57	64 of 100 (Major)
2018-12-08	San Augustine	Record daily precipitation	127.0 mm (5.0 in)	101.6 mm (4.0 in)	101	80 of 100 (Exceptional)
2018-12-08	Arcadia	Record daily precipitation	116.8 mm (4.6 in)	85.0 mm (3.3 in)	87	75 of 100 (Major)
2018-12-08	Cuero	Record daily precipitation	86.6 mm (3.4 in)	62.5 mm (2.5 in)	83	74 of 100 (Major)
2018-12-08	Huntsville	Record daily precipitation	143.8 mm (5.7 in)	119.7 mm (4.7 in)	83	74 of 100 (Major)
2018-12-08	Angleton 2 W	Record daily precipitation	111.8 mm (4.4 in)	72.7 mm (2.9 in)	83	70 of 100 (Major)
2018-12-08	Brenham	Record daily precipitation	89.4 mm (3.5 in)	52.1 mm (2.1 in)	83	70 of 100 (Major)
2018-12-08	Conroe	Record daily precipitation	97.8 mm (3.9 in)	53.9 mm (2.1 in)	87	68 of 100 (Major)
2018-12-08	Plain Dealing	Record daily precipitation	133.4 mm (5.3 in)	90.5 mm (3.6 in)	57	67 of 100 (Major)
2018-12-08	Beeville 5 NE	Record daily precipitation	78.0 mm (3.1 in)	55.9 mm (2.2 in)	57	67 of 100 (Major)
2018-12-08	Madisonville	Record daily precipitation	111.8 mm (4.4 in)	69.6 mm (2.7 in)	57	67 of 100 (Major)
2018-12-08	Runge	Record daily precipitation	88.4 mm (3.5 in)	72.4 mm (2.9 in)	57	67 of 100 (Major)
2018-12-08	Cypress	Record daily precipitation	111.8 mm (4.4 in)	72.4 mm (2.9 in)	57	64 of 100 (Major)
2018-12-08	Dime Box	Record daily precipitation	89.9 mm (3.5 in)	71.1 mm (2.8 in)	57	64 of 100 (Major)
2018-12-08	Keithville	Record daily precipitation	100.3 mm (3.9 in)	54.1 mm (2.1 in)	71	61 of 100 (Major)
2018-12-08	George W 2 SSW	Record daily precipitation	69.3 mm (2.7 in)	34.8 mm (1.4 in)	92	61 of 100 (Major)
2018-12-08	Bay City Wtr Wks	Record daily precipitation	121.9 mm (4.8 in)	86.3 mm (3.4 in)	29	58 of 100 (Notable)
2018-12-09	Burlington Fire STN #5	Record daily precipitation	114.3 mm (4.5 in)	29.2 mm (1.1 in)	59	59 of 100 (Notable)
2018-12-09	Santuck	Record daily precipitation	57.2 mm (2.3 in)	23.7 mm (0.9 in)	112	58 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 416 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.

Date	Records
2018-12-06	1
2018-12-07	52
2018-12-08	212
2018-12-09	112
2018-12-10	36
2018-12-11	3

Margin (mm)	Years the old record stood
102	101
85	87
63	83
120	83
70	83
73	83
52	83
54	87
91	57
56	57
70	57
72	57
72	57
71	57
74	57
54	71
35	92
29	59
24	112
86	29
74	29
97	36
51	64
77	20
60	20
72	40
23	53
84	16
77	29
72	32
120	20
84	29
38	71
64	29
22	87
17	74
17	68
60	20
17	112
50	56
43	57
13	103
84	20
71	20
35	57
11	84
58	20
14	92
22	68
28	83
15	99
61	16
24	57
61	12
93	20
49	16
13	112
56	16
79	20
20	96
53	29
6	83
29	68
58	20
8	122
21	26
32	57
31	44
33	67
34	57
24	57
38	20
17	87
4	105
16	93
12	93
12	57
63	0
52	24
41	52
8	99
78	16
10	96
5	92
58	23
53	16
16	71
2	105
9	87
12	93
16	29
43	37
40	20
61	20
21	60
11	87
5	116
21	57
6	99
33	37
11	61
10	87
12	87
23	64
5	66
13	71
13	77
40	29
15	57
29	37
20	40
46	31
4	93
23	69
9	83
36	36
1	118
3	87
12	36
40	28
3	93
55	20
25	52
57	20
26	57
9	57
16	32
24	0
43	8
18	57
34	37
51	20
3	93
52	40
6	87
40	52
2	87
15	57
31	56
4	87
34	23
16	60
20	71
24	48
0	92
10	71
18	71
16	0
35	20
32	52
24	23
2	80
24	40
37	40
19	35
16	48
7	1
19	57
11	37
2	76
16	32
47	8
8	69
30	8
13	64
19	48
35	20
11	37
11	31
28	16
5	57
15	64
3	67
4	67
11	39
10	71
13	67
31	40
29	16
11	26
4	57
9	52
27	16
12	56
13	0
20	29
13	60
12	40
19	36
36	20
37	23
48	8
0	71
30	28
5	56
21	28
7	37
7	57
2	69
4	71

Margin (mm)	Years the old record stood
102	101
85	87
63	83
120	83
70	83
73	83
52	83
54	87
91	57
56	57
70	57
72	57
72	57
71	57
74	57
54	71
35	92
29	59
24	112
86	29
74	29
97	36
51	64
77	20
60	20
72	40
23	53
84	16
77	29
72	32
120	20
84	29
38	71
64	29
22	87
17	74
17	68
60	20
17	112
50	56
43	57
13	103
84	20
71	20
35	57
11	84
58	20
14	92
22	68
28	83
15	99
61	16
24	57
61	12
93	20
49	16
13	112
56	16
79	20
20	96
53	29
6	83
29	68
58	20
8	122
21	26
32	57
31	44
33	67
34	57
24	57
38	20
17	87
4	105
16	93
12	93
12	57
63	0
52	24
41	52
8	99
78	16
10	96
5	92
58	23
53	16
16	71
2	105
9	87
12	93
16	29
43	37
40	20
61	20
21	60
11	87
5	116
21	57
6	99
33	37
11	61
10	87
12	87
23	64
5	66
13	71
13	77
40	29
15	57
29	37
20	40
46	31
4	93
23	69
9	83
36	36
1	118
3	87
12	36
40	28
3	93
55	20
25	52
57	20
26	57
9	57
16	32
24	0
43	8
18	57
34	37
51	20
3	93
52	40
6	87
40	52
2	87
15	57
31	56
4	87
34	23
16	60
20	71
24	48
0	92
10	71
18	71
16	0
35	20
32	52
24	23
2	80
24	40
37	40
19	35
16	48
7	1
19	57
11	37
2	76
16	32
47	8
8	69
30	8
13	64
19	48
35	20
11	37
11	31
28	16
5	57
15	64
3	67
4	67
11	39
10	71
13	67
31	40
29	16
11	26
4	57
9	52
27	16
12	56
13	0
20	29
13	60
12	40
19	36
36	20
37	23
48	8
0	71
30	28
5	56
21	28
7	37
7	57
2	69
4	71

Margin (mm)	Years the old record stood
102	101
85	87
63	83
120	83
70	83
73	83
52	83
54	87
91	57
56	57
70	57
72	57
72	57
71	57
74	57
54	71
35	92
29	59
24	112
86	29
74	29
97	36
51	64
77	20
60	20
72	40
23	53
84	16
77	29
72	32
120	20
84	29
38	71
64	29
22	87
17	74
17	68
60	20
17	112
50	56
43	57
13	103
84	20
71	20
35	57
11	84
58	20
14	92
22	68
28	83
15	99
61	16
24	57
61	12
93	20
49	16
13	112
56	16
79	20
20	96
53	29
6	83
29	68
58	20
8	122
21	26
32	57
31	44
33	67
34	57
24	57
38	20
17	87
4	105
16	93
12	93
12	57
63	0
52	24
41	52
8	99
78	16
10	96
5	92
58	23
53	16
16	71
2	105
9	87
12	93
16	29
43	37
40	20
61	20
21	60
11	87
5	116
21	57
6	99
33	37
11	61
10	87
12	87
23	64
5	66
13	71
13	77
40	29
15	57
29	37
20	40
46	31
4	93
23	69
9	83
36	36
1	118
3	87
12	36
40	28
3	93
55	20
25	52
57	20
26	57
9	57
16	32
24	0
43	8
18	57
34	37
51	20
3	93
52	40
6	87
40	52
2	87
15	57
31	56
4	87
34	23
16	60
20	71
24	48
0	92
10	71
18	71
16	0
35	20
32	52
24	23
2	80
24	40
37	40
19	35
16	48
7	1
19	57
11	37
2	76
16	32
47	8
8	69
30	8
13	64
19	48
35	20
11	37
11	31
28	16
5	57
15	64
3	67
4	67
11	39
10	71
13	67
31	40
29	16
11	26
4	57
9	52
27	16
12	56
13	0
20	29
13	60
12	40
19	36
36	20
37	23
48	8
0	71
30	28
5	56
21	28
7	37
7	57
2	69
4	71