Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

...Highlights of 2023...

Annual:
- 24th coldest year on record at 44.6 degrees, just 1 degrees below normal.
- 11th wettest year with 15.41 inches, 126% of normal.
- 5th snowiest year with 116.1 inches, 161% of normal.
- 3rd snowiest snowfall season (July 2022-June 2023) with 134.5 inches.
- Highest wind gust was 70 mph on April 27th.
Monthly Temperatures: 8th coldest March on record at 26.7 degrees. 3rd warmest December at 32 degrees.
Monthly Precipitation: 1st wettest January, 7th wettest June on record. New all-time daily high precipitation on January 11th with 0.55". 10th wettest October and 2nd driest December on record.
Monthly Snowfall: 2nd snowiest January and April and 10th snowiest February on record. New all-time daily snowfall on April 3rd with 26.7"

Temperatures

Winds

Precipitation

Snow

Temperature Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Average High	27.4	29.9	37.5	51.7	70.3	73.2	88.0	84.5	78.9	59.5	47.6	42.6	57.6
Mean High (1991-2020 Normals)	35.2	37.8	48.8	56.3	66.8	79.6	89	86.7	75.6	59.7	45.9	34.7	59.7
Average Low	14.3	12.0	15.9	26.9	40.1	47.1	51.6	51.8	43.5	30.5	23.5	21.5	31.6
Mean Low (1991-2020 Normals)	15	15.4	22.7	28.2	37.1	45.4	53	51.4	42.2	30.9	22	14.8	31.5
Average Temperature	20.9	20.9	26.7	39.3	55.2	60.2	69.8	68.1	61.2	45.0	35.6	32.0	44.6
Mean Average Temperature (1991-2020 Normals)	25.1	26.6	35.8	42.3	52	62.5	71	69	58.9	45.3	34	24.8	45.6
Departure from Normal	-4.2	-5.7	-9.1	-3	3.2	-2.3	-1.2	-0.9	2.3	-0.3	1.6	7.2	-1.0
Rank: 84 years of record (P.O.R 12/1939-2023)	22	14	8	17	72	18	22	30	65	27	58	82	24

Highest Daily Maximum	39	43	53	72	81	84	101	95	91	78	65	56	101
Date of Occurrence	14,15	26	30	12	22,31	19	17	16,17	1	10	5	6	7/17
Lowest Daily Minimum	-21	-26	-6	3	26	38	40	36	33	2	-10	0	-26
Date of Occurrence	30	23	8	5	1	17,25	7	31	26	27	25	25	2/23
Number of Days with:	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Maximum >= 90°	0	0	0	0	0	0	16	9	1	0	0	0	48
Maximum <= 32°	21	14	9	4	0	0	0	0	0	3	5	3	59
Minimum <= 32°	31	28	30	23	4	0	0	0	0	13	22	27	178
Minimum <= 0°	4	5	1	0	0	0	0	0	0	0	1	1	12
Record High Temperatures Set or Tied	0	0	0	0	0	0	1	0	0	0	0	2	3
Record Low Temperatures Set or Tied	0	2	1	1	0	1	0	1	0	0	0	0	6

Temperature Ranks and Records:

Daily Records:

Record High Temperatures:

July: 101 on the 17th.

December: 55 on the 19th and 53 on the 21st (tie)

Record Low Temperatures:

February: -17 on the 22nd and -26 on the 23rd.
March: -6 on the 8th (tie)

April: 3 on the 5th
June: 38 on the 25th (tie).

August: 39 on the 14th.

Coldest Months of March on Record
Rank	Year	Average Temperature °F
1	1965	20.4
2	1964	25.1
3	1943	25.8
3	1944	25.8
3	2002	25.8
3	1955	25.8
7	1954	26.2
8	2023	26.7
9	1952	27.0
10	1958,1969	28.4

Warmest Months of December on Record
Rank	Year	Average Temperature °F
1	1980	34.3
2	1946	33.0
3	2023	32.0
4	1957/1994	31.8
6	1950	31.2
7	1962	30.4
8	1959	30.3
9	2021	30.1
10	1999	29.9

Top Ten Warmest Years on Record
Rank	Year	Average Temperature °F
1	1994	49.1
2	2012	48.7
3	1954	48.3
4	1981	48.1
5	1992	48.0
6	1940, 1953, 1963	47.3
9	2015, 2006, 1999	47.1
61	2023	44.6

Top Ten Coldest Years on Record
Rank	Year	Average Temperature °F
1	1985	42.5
2	1951	43.1
3	1978	43.2
4	1964	43.5
5	2019, 1975	43.6
6	2009, 1979, 1968, 1949	43.8
10	1971	43.9
24	2023	44.6


Average Annual Temperature for Period of Record - Click on Graph to Enlarge

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Wind Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Average Speed (MPH)	15	19.1	13.2	13.4	9.5	8	8.4	8.7	9.4	9.1	14.3	13.7	11.8
Maximum 3-sec Gust	55	58	64	70	51	57	62	64	56	61	52	66	70
Direction	210	220	210	350	230	290	290	280	230	260	280	250	350
Date of Occurrence	9	21	10	27	6	20	3	27	4	10	5	7	4/27
Number of Days with:
2-Min Wind >50 mph	0	0	0	1	0	0	0	0	0	0	0	0	1
Peak Wind >50 mph	2	4	2	4	1	1	6	4	2	1	1	2	30
Peak Wind >70 mph	0	0	0	1	0	0	0	0	0	0	0	0	1

Learn more about the National Weather Service's efforts to build a Weather-Ready Nation!

Precipitation Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total (inches)	1.99	0.69	0.65	1.49	2.03	3.29	1.33	1.01	0.59	1.88	0.40	0.06	15.41
Mean Precipitation (1991-2020 Normals)	0.49	0.56	0.84	1.41	2.21	1.34	1.19	0.79	0.95	1.19	0.64	0.61	12.22
Departure from Normal	1.50	0.13	-0.19	0.08	-0.18	1.95	0.14	0.22	-0.36	0.69	-0.24	-0.55	3.19
Percent of Normal	406	123	77	106	92	246	112	128	62	158	63	10	126
Rank - 84 years (P.O.R 12/1939-2023)	84	60	33	53	47	78	60	67	37	74	24	2	74

Greatest 24-HR Total	0.80	0.49	0.39	0.90	0.53	0.88	0.49	0.29	0.23	1.62	0.40	0.04	1.62
Dates of Occurrence	10-11	21-22	22	3	23-24	15-16	20	8	13-14	11-12	23-24	23-24	11-12 Oct
Number of Days with:
Precipitation >= 0.01	11	6	9	9	14	15	11	11	7	7	3	4	107
Precipitation >= 0.10	7	3	1	2	9	9	3	4	2	3	2	0	45
Precipitation >= 1.00	0	0	0	0	0	0	0	0	0	1	0	0	0
Days with Thunderstorms	0	0	0	1	9	23	14	11	6	0	0	0	64
Daily Precipitation Records Set or Tied	5	1	0	2	0	1	0	0	0	1	1	0	11

Precipitation Ranks and Records:

One Day Precipitation Records:

January: 0.27" on the 1st, 0.23" on the 2nd, 0.16" on the 10th, 0.55" on the 11th (all-time high), and 0.17 on the 18th

February: 0.28h." on the 21st

April: 0.90" on the 3rd and 0.37" on the 4th

June: 0.51 on the 4th.

October: 1.34" on the 12th.

November: 0.29 on the 23rd (tie).

Top Ten Driest December's on Record
Rank	Year	Precipitation (inches)
1	1952	0.03
2	2023	0.06
3	2004	0.07
4	1998/1999	0.10
6	2001	0.13
7	1969	0.16
8	2002	0.19
9	1974	0.22
10	1958/1962	0.23

Top Ten Wettest January's on Record
Rank	Year	Precipitation (inches)
1	2023	1.99
2	1987	1.42
3	1949	1.36
4	1944	1.30
5	1984	1.19
6	2009	1.08
7	2016	0.99
8	1972	0.99
9	1996	0.94
10	2022	0.90

Top Ten Wettest June's on Record
Rank	Year	Precipitation (inches)
1	2003	4.74
2	1982	4.15
3	1986	4.06
4	1983	3.76
5	1967	3.75
6	1995	3.62
7	2023	3.29
8	1947	3.11
9	1993	279
10	1998	2.67

Top Ten Wettest October's on Record
Rank	Year	Precipitation (inches)
1	1998	4.62
2	1994	4.17
3	2013	3.03
4	2021	2.69
5	1986	2.63
6	1962	2.49
7	1972	2.04
8	1957/1949	2.00
9	1942	1.95
10	2023	1.88

Top Ten Driest Years on Record
Rank	Year	Precipitation (inches)
1	2020	5.79
2	1988	6.56
3	2001	6.76
4	2002	7.05
5	1960	7.34
6	1954	7.70
7	2012	7.88
8	1963	7.90
9	1966	8.14
10	1943	8.91
74	2023	15.41

Top Ten Wettest Years on Record
Rank	Year	Precipitation (inches)
1	1982	20.48
2	1995	18.94
3	1983	18.41
4	1978	17.64
5	1941	16.24
6	1957	16.12
7	1986	15.92
8	1993	15.91
9	2009	15.77
10	2016	15.57
11	2023	15.41


Annual Precipitation for Period of Record - Click on Graph to Enlarge

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Snow Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total (inches)	37	16.4	9.4	39	0	0	0	0	0	2.8	10.5	1	116.1
Mean Snowfall (1991-2020 Normals)	9	10.9	10.3	10.5	2.6	0.1	0	0	1.5	7	8.9	11	71.8
Departure from Normal	28	5.5	-0.9	28.5	-2.6	-0.1	0.0	0.0	-1.5	-4.2	1.6	-10	44.3
Percent of Normal	411	150	91	371	0	0	0	0	0	40	118	9	162
Rank - Least to Most 84 years (P.O.R 12/1939-2023)	83	75	34	83	NA	NA	NA	NA	NA	26	24	33	82

Greatest 24-HR Total	9	6.8	4.8	26.7	0	0	0	0	0	2.2	6.4	0.6	26.7
Dates of Occurrence	28	22	22	3	NA	NA	NA	NA	NA	26	23	23	04-3
Number of Days with:
Snowfall >= 1.0 inch	9	3	3	4	0	0	0	0	0	1	2	0	22
Daily Snowfall Records Set or Tied	4	2	0	2	0	0	0	0	0	0	1	0	8
* 50 months of September on record with no snowfall.

Snowfall Ranks and Records:

One Day Snowfall Records (inches):

   January: 7.3" on the first, 5.9" on the 2nd, 5.8" on the 11th and 9" on the 28th

February: 4.6" on the 21st and 6.8" on the 22nd

  April: 26.7" on the 3rd (all-time highest) and 9.3 on the 4th

  November: 6.4" on the 23rd

Snowiest Months of January on Record
Rank	Year	Snowfall (inches)
1	1949	39.3
2	2023	37.1
3	1987	24.0
4	1980	22.1
5	1984	19.4
6	1972	19.2
7	1965	16.5
8	2009	16.4
9	1979	16.3
10	1996,1962	16.2

Snowiest Months of February on Record
Rank	Year	Snowfall (inches)
1	2020	28.4
2	1952	23.8
3	1987	22.7
4	1989,1955	21.5
6	2004	18.9
7	2018	18.6
8	1953	18.5
9	1995	16.9
10	2023	16.4

Snowiest Months of April on Record
Rank	Year	Snowfall (inches)
1	1973	56.3
2	2023, 2013	39.0
4	1984	33.6
5	1971	24.2
6	1983	23.3
7	1964	22.8
8	1945	21.9
9	1941	21.5
10	1957	21.2

Top Ten Snowiest Years on Record
Rank	Year	Snowfall (inches)
1	1982	137.6
2	1975	124.0
3	1984	121.2
4	1973	118.3
5	2023	116.1
6	1983	114.2
7	1978	112.7
8	2021	108.1
9	2013	107.5
10	1955	103.3