Dense Fog for the Center of the Nation; Severe Thunderstorms Across the South; Parade of Pacific Storms Continue

Series of Pacific storms will continue to significantly impact portions of the West through this last weekend of 2024; Strong winds, high surf, heavy lower elevation rain and heavy mountain snow expected. Across the Plains, low visibility and dense fog will make for travel difficulties as warmer air lifts north. This will fuel severe thunderstorms across several southern states on Saturday. Read More >

Lander Climate Summary Banner

Temperatures | Wind |Precipitation| Snowfall

...Highlights of 2015...

Annual - ...9th warmest year on record (period of record 892-2015, 124 years), 120 percent of normal precipitation, 78 percent of normal annual snowfall.
Record High So Early in the Season:: 76 on March 31, 2015
Record High So Late in the Season:: 90 on September 26, 2015
Latest 90 Degree Temperature: September 26, 2015
Daily Temperature Records: 12 record highs and zero record lows during the year.
Monthly Temperatures: Warmest September, 3rd warmest October, 7th warmest June, 9th warmest March on record.
Montly Precipitation: 3rd driest January, 3rd wettest May, 9th wettest February on record.
Montly Snowfall: 7th least snowiest January.

Temperature Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Average High	32.2	41.3	53.4	57.8	60.2	82.1	83.9	86.3	81.5	65.6	42.5	31.9	59.9
Mean High (1981-2010 Normals)	33.1	36.5	47.4	56.4	66.5	77.5	86.8	85.0	72.8	58.5	42.8	31.8	58.0
Average Low	12.6	17.8	26.6	32.2	40.0	52.8	53.2	54.0	49.1	39.4	19.0	10.6	33.9
Mean Low (1981-2010 Normals)	10.2	13.9	23.6	31.3	40.1	48.4	55.6	54.3	44.4	32.7	19.7	9.6	32.1
Average Temperature	22.4	29.6	40.0	45.0	50.1	67.4	68.5	70.1	65.3	52.5	30.8	21.2	46.9
Mean Temp (1981-2010 Normals)	21.7	25.2	35.5	43.9	53.3	63.0	71.2	69.6	58.6	45.6	31.2	20.7	45.1
Departure from Normal	0.7	4.4	4.5	1.1	-3.2	4.4	-2.7	0.5	6.7	6.9	-0.4	0.5	1.8
Rank - Coldest to Warmest 124 years of record (P.O.R 1892-2015)	83	103	118	89	34	118	36	95	124	122	54	58	116
Highest Daily Maximum	53	62	76	76	80	94	95	95	91	82	67	57	95
Date of Occurrence	18	12,14	31	29	31	28	4	14,25	1,2	10	1	9	7/4*
Lowest Daily Minimum	-20	-12	-7	15	29	45	39	39	35	27	-3	-8	-20
Date of Occurrence	1	23	4	3	11	4	28	23	18	28,29	28	28	1/1
Number of Days with:
Maximum >= 90°	0	0	0	0	0	6	6	12	3	0	0	0	27
Maximum <= 32°	15	9	5	0	0	0	0	0	0	0	7	16	52
Minimum <= 32°	31	26	18	15	4	0	0	0	0	6	28	30	158
Minimum <= 0°	6	3	2	0	0	0	0	0	0	0	2	4	17
Record Highs Set or Tied	0	4	3	0	0	0	0	1	3	1	0	0	12
Record Lows Set or Tied	0	0	0	0	0	0	0	0	0	0	0	0	0
* Maximum Temperature for 2015 of 95 degrees was recorded on July 4, and August 14th and 25th.

Temperature Ranks and Records:

Record High So Early in the Season:

March 31st: 76 (ties 2012)

Record High So Late in the Season:

September 26th: 90 (also the latest 90 degree reading recorded in Lander)

Daily Records:

Max:

February: 58 on the 7th (tie), 62 on the 12th and 14th, 61 on the 13th.

March: 74 on the 27th, 73 on the 28th, 76 on the 31st (tie).

August: 95 on the 25th.

September: 89 on the 13th, 89 on the 25th, 90 on the 26th.

October: 82 on the 10th.

Min:

July: 39 on the 28th

Warmest Months of March on Record
Rank	Year	Average Temperature °F
1	2012	44.2
3	1986	44.1
4	1910	43.0
5	2007	42.2
6	1992, 1918	41.6
8	1972	40.9
9	2015	40.0

Warmest Months of June on Record
Rank	Year	Average Temperature °F
1	1988	72.5
3	2006	68.8
4	1933	68.6
5	1977	68.3
6	2012, 1986	68.2
7	2015	67.5
8	1918	67.2

Warmest Months of September on Record
Rank	Year	Average Temperature °F
1	2015	65.3
2	1990	64.8
3	1979, 1969	63.8
5	1963	63.5
6	1998	63.4
7	2012	63.2
8	2001	63.1

Warmest Months of October on Record
Rank	Year	Average Temperature °F
1	1988, 1963	53.6
3	2015	52.5
4	1965	51.9
4	2010	51.8
5	1962	51.6
6	1934	51.4
7	1950	51.3
8	2014	51.0

Top Ten Warmest Years on Record
Rank	Year	Average Temperature °F
1	2012	49.0
2	1988, 1981	47.7
4	1934	47.6
5	1994	47.5
6	2006	47.4
7	1954	47.2
8	1999	47.0
9	2015	46.9
10	2007	46.6

Top Ten Coldest Years on Record
Rank	Year	Average Temperature °F
1	1912	39.9
2	1944	40.1
3	1920	40.2
4	1916, 1898	40.9
6	1895	41.0
7	1924	41.1
8	1913, 1899, 1923	41.2
116	2015	46.6


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

Wind Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Average Speed (MPH)	4.1	5.4	5.9	7.0	6.4	6.2	7.1	6.6	7.3	5.3	4.9	4.7	5.9
Maximum 3-sec Gust	48	59	71	54	54	52	53	54	58	59	58	67	71
Direction (tens of degrees)	31	24	26	19	21	23	27	17	25	25	18	24	26
Date of Occurrence	18	7	28	14	3	1	27	3	4	11	3	9	3/28

Precipitation Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total (inches)	T	1.56	0.55	2.31	6.10	0.80	0.50	0.58	0.17	0.88	1.20	0.48	15.13
Mean Precip (1981-2010 Normals)	0.41	0.58	1.16	1.87	2.20	1.27	0.78	0.61	1.05	1.29	0.86	0.58	12.66
Departure from Normal	-0.41	0.98	-0.61	0.44	3.90	-0.47	-0.28	-0.03	-0.88	-0.88	0.34	0.10	2.47
Percent of Normal	0	269	47	124	277	63	64	95	16	68	140	83	120
Rank - Driest to Wettest 124 years (P.O.R 1892-2015)	3	116	27	76	122	55	60	84	24	52	96	62	94
Greatest 24-HR Total	T	0.49	0.53	0.91	1.40	0.30	0.20	0.46	0.17	0.61	0.63	0.45	1.40
Dates of Occurrence	15+	15-16	2-3	15-16	23-24	15	6	3	28	3-4	25-26	14-15	5/23-24
Number of Days with:
Precipitation >= 0.01	0	8	3	8	18	6	7	4	1	5	6	4	70
Precipitation >= 0.10	0	5	2	4	14	3	2	1	1	3	5	2	42
Precipitation >= 1.00	0	0	0	0	2	0	0	0	0	0	0	0	2
Days with Thunderstorms	0	0	0	0	6	0	0	2	1	2	0	0	9
Daily Precipitaton Records Set or Tied	0	2	0	1	0	0	0	0	0	0	0	0	3

Precipitation Ranks and Records:

One Day Precipitation Records (inches):

February: 0.22 on the 16th, 0.38 on the 21st.
April: 0.88 on the 15^th.

Driest Months of January on Record
Rank	Year	Precipitation (inches)
1	1952, 1919	0.00
3	2015, 1931, 1900	Trace
6	1934	0.01
7	2000, 1990, 1893	0.02
10	1989, 1925	0.04

Wettest Months of February on Record
Rank	Year	Precipitation (inches)
1	1911	2.32
2	1955	2.18
3	1920	1.96
4	1912	1.74
5	1987	1.73
6	1953	1.72
7	1935	1.67
8	1893	1.64
9	2015	1.56
10	2004	1.54

Wettest Months of May on Record
Rank	Year	Precipitation (inches)
1	2011	6.79
2	2008	6.13
3	2015	6.10
4	1924	6.06
5	1957	6.03
6	1898	6.02
7	1935	5.92
8	1930	5.70

Top Ten Driest Years on Record
Rank	Year	Precpitation (inches)
1	2001	5.30
2	1954	5.37
3	2012	6.60
4	1902	7.25
5	2006	7.42
6	1988	7.63
7	1939	7.95
8	2002	8.09
9	1914	8.32
10	2000	8.61
94	2015	15.13

Top Ten Wettest Years on Record
Rank	Year	Precipitation (inches)
1	1957	21.89
2	1923	21.52
3	1941	20.66
4	1912	20.00
5	1947	19.70
6	1995	19.68
7	1944	19.57
8	1973	19.30
9	1908	19.22
10	1971	18.99
31	2015	15.13


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

Snow Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total (inches)	0.3	23.6	8.9	10.3	0.8	0.0	0.0	0.0	0.0	0.0	19.0	8.8	71.7
Average Snowfall	7.6	10.3	16.1	16.8	4.8	0.1	0.0	0.0	2.7	9.8	13.1	10.1	91.4
Departure from Normal	-7.3	13.3	-7.2	-6.5	-4.0	-0.1	0.0	0.0	-2.7	-9.8	5.9	-1.3	-19.7
Percent of Normal	4	229	55	61	17	0	0	0	0	0	145	87	78
Rank - Least Snowiest to Snowiest 124 Years (P.O.R 1892-2015)	7	114	40	45	44	NA	NA	NA	1*	1*	104	70	44
Greatest 24-HR Total	0.1	7.4	4.8	6.7	0.5	0.0	0.0	0.0	0.0	0.0	9.5	5.0	9.5
Dates of Occurrence	11+	21	3	15	10	NA	NA	NA	NA	NA	25	14	11/25
Number of Days with:
Snowfall >= 1.0 inch	0	6	2	3	0	0	0	0	0	0	4	2	17
Daily Snowfall Records Set or Tied	0	1	0	1	0	0	0	0	0	0	1	0	3
* 61 Septembers and 15 Octobers on record with no snowfall.

Snowfall Ranks and Records:

One Day Snowfall Records (inches):

February: 7.4 on the 21st.

April: 6.7 on the 15th.

November: 9.5 on the 25th.

Least Snowiest Months of January on Record
Rank	Year	Snowfall (inches)
1	1919	0.0
2	1952, 1931, 1900, 1893	Trace
6	1934	0.2
7	2015	0.3
8	2000, 1925	0.4
9	1990, 1989, 1935, 1914	0.6

Top Ten Snowiest Years on Record
Rank	Year	Snowfall (inches)
1	1973	199.9
2	1975	160.7
3	1983	159.6
4	1967	154.6
5	1959	150.4
6	1971	148.3
7	2013	138.0
8	1978	128.1
9	1920	127.9
10	1892	125.1
44	2015	71.7



Annual and Seasonal Snowfall for Period of Record - Click on Graph to Enlarge

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Dense Fog for the Center of the Nation; Severe Thunderstorms Across the South; Parade of Pacific Storms Continue

Lander 2015 Annual Climate Summary