Western and Central Wyoming

Weather Forecast Office

Lander 2016 Annual Climate Summary

Lander Climate Summary Banner

...Highlights of 2016...

Annual - 10th warmest year on record (period of record 1892-2016, 125 years), 3rd wettest year on record with 149 percent of normal precipitation, 77 percent of normal annual snowfall, peak gust of 73 mph on October 17th.
Seasonal: Wettest Spring (March, April, May) on record.
Daily Temperature Records: 5 record highs and zero record lows during the year.
Monthly Temperatures: 4th warmest June, 9th warmest February on record.
Monthly Precipitation: Wettest March, 10th wettest April and driest July (tie) on record.
Monthly Snowfall: 8th snowiest March on record.
White Christmas: 6th highest snowfall total on Christmas Day with 2.9". 19 Christmas days on 125 years of record with measurable snowfall.

Temperature

Wind

Precipitation

Snowfall

Temperature Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Average High	31.1	45.2	49.9	55.4	62.9	84.3	89.5	84.7	73.2	63.6	49.0	28.6	59.8
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	9.9	20.9	26.8	33.8	39.7	52.4	55.5	51.9	45.4	35.9	24.6	4.8	33.5
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	20.5	33.0	38.4	44.6	51.3	68.4	72.5	68.3	59.3	49.8	36.8	16.7	46.6
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	-1.2	7.8	2.9	0.7	-2.0	5.4	1.3	-1.3	0.7	4.2	5.6	-4.0	1.5
Rank: Coldest to Warmest 125 years of record (P.O.R 1892-2016)	62	117	109	83	45	122	97	73	77	109	108	29	114
Highest Daily Maximum	47	59	67	75	78	95	97	95	89	78	70	50	97
Date of Occurrence	29	27	21	22	5	21	21	2	1	1	15	20	7/21
Lowest Daily Minimum	-11	2	15	22	29	38	46	42	35	24	7	-21	-21
Date of Occurrence	10	3,4	19	1	11	1	12	20*	25	20	19	17	12/17
Number of Days with:
Maximum >= 90°	0	0	0	0	0	6	19	12	0	0	0	0	37
Maximum <= 32°	16	4	0	0	0	0	0	0	0	0	3	20	43
Minimum <= 32°	31	28	28	15	3	0	0	0	0	10	25	31	171
Minimum <= 0°	5	0	0	0	0	0	0	0	0	0	0	7	12
Record Highs Set or Tied	0	0	0	0	0	1	0	0	1	1	2	0	5
Record Lows Set or Tied	0	0	0	0	0	0	0	0	0	0	0	0	0
* Occurred on 3 or more days during the month.

Temperature Ranks and Records:

Daily Records:

Record High Temperatures:

June: 95 on the 21st.

September: 88 on the 20th (tie).

October: 75 on the 27th.

November: 68 on the 9th, 70 on the 15th.

Record Minimum High Temperatures:

August: 54 on the 19th.

Record Low Temperatures:

None.

Warmest Months of February on Record
Rank	Year	Average Temperature °F
1	1954	36.4
2	1925	34.6
3	1963, 1930	34.2
5	2000	34.1
6	1991	33.9
7	1970	33.6
8	1992	33.1
9	2016	33.0
10	1958	32.9

Warmest Months of June on Record
Rank	Year	Average Temperature °F
1	1988	72.5
2	2006	68.8
3	1933	68.6
4	2016	68.4
5	1977	68.3
6	2012, 1986	68.2
8	2015	67.5
9	1918	67.2
10	1956	67.1

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	2016, 2007, 1990	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	2016	46.6


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)	3.6	6.7	7.4	6.9	6.8	7.7	7.8	7.2	6.7	7.0	4.2	5.4	6.4
Maximum 3-sec Gust	44	55	50	62	56	64	72	60	49	73	29	48	73
Direction (degrees)	240	270	300	210	170	330	180	180	300	250	260	230	250
Date of Occurrence	14	13	2	14	21	29	22	7	3	17	16	4	10/17

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Precipitation Banner

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total (inches)	0.42	0.50	4.59	4.61	5.03	0.57	T	0.52	1.68	0.98	1.49	0.90	21.29
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	0.01	-0.08	3.43	2.74	2.83	-0.70	-0.78	-0.09	0.63	-0.31	0.63	0.32	8.63
Percent of Normal	102	86	396	247	229	45	0	85	160	76	173	155	168
Rank - Driest to Wettest 125 years (P.O.R 1892-2016)	63	56	125	116	111	46	1*	74	99	59	105	97	123
Greatest 24-HR Total	0.36	0.41	1.81	2.17	3.98	0.24	T	0.39	0.73	0.63	1.11	0.52	3.98
Dates of Occurrence	7-8	1-2	28-29	25-26	6-7	7	1*	18-19	24	16-17	16-17	16-17	5/6-7
Number of Days with:
Precipitation >= 0.01	4	3	10	12	11	3	0	6	8	6	5	5	73
Precipitation >= 0.10	2	1	6	7	5	3	0	3	6	3	3	2	41
Precipitation >= 1.00	0	0	1	2	1	0	0	0	0	0	1	0	5
Days with Thunderstorms	0	0	1	1	5	8	3	6	3	3	0	0	30
Daily Precipitation Records Set or Tied	0	0	3	1	0	0	0	0	0	0	0	0	0

* Tied July 1901, 1917 as driest on record with a trace of precipitation

Precipitation Ranks and Records:

One Day Precipitation Records (inches):

March: 0.50" on the 7th, 1.74" on the 29th (also the 2nd highest one day total recorded in the month of March), 0.85" on the 30th.
April: 1.25" on the 26th.

May: 3.35" on the 7th (also the 2nd highest one day total for the Month of May and 3rd highest all-time daily total on record).

November: 1.03" on the 17th.

Wettest Months of March on Record
Rank	Year	Precipitation (inches)
1	2016	4.59
2	1906	3.56
3	1998	3.44
4	1977	3.30
5	1894	3.29
6	1973	3.02
7	1898	2.73
8	1941	2.68
9	1896	2.63
10	1944	2.54

Wettest Months of April on Record
Rank	Year	Precipitation (inches)
1	1900	7.19
2	1999	6.44
3	1895	5.71
4	1957	5.46
5	1914	5.36
6	1941	5.32
7	1944	5.24
8	1971	5.22
9	1945	5.02
10	2016	4.61

Wettest Springs (March, April, May) on Record
Rank	Year	Precipitation (inches)
1	2016	14.23
2	1957	12.57
3	1971	11.02
4	1924	9.95
5	1898	9.83
6	1944	9.67
7	1995	9.40
8	1906	9.34
9	1935	9.33
10	1941	8.98

Top Ten Months of July on Record
Rank	Year	Precipitation (inches)
1	2016, 1917, 1901	Trace
4	1924	0.04
5	1963, 1920	0.05
7	2011, 2001, 1969	0.07
10	2012, 1943	0.08

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
123	2016	21.29

Top Ten Wettest Years on Record
Rank	Year	Precipitation (inches)
1	1957	21.89
2	1923	21.56
3	2016	21.29
4	1941	20.66
5	1912	20.00
6	1947	19.70
7	1995	19.68
8	1944	19.57
9	1973	19.30
10	1908	19.22


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)	5.3	3.9	33.3	4.9	T	0.0	0.0	0.0	0.0	0.0	14.0	8.6	70.0
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	-2.3	-6.4	17.2	-11.9	-4.8	-0.1	0.0	0.0	-2.7	-9.8	0.9	-1.5	-21.4
Percent of Normal	70	38	207	29	0	0	0	0	0	0	107	85	77
Rank - Least to Most 125 Years (P.O.R 1892-2016)	62	32	118	27	20*	NA	NA	NA	1*	1*	92	69	40
Greatest 24-HR Total	3.0	3.3	15,3	2.9	T	0.0	0.0	0.0	0.0	0.0	13.3	4.9	15.3
Dates of Occurrence	7	2	29	26	10	NA	NA	NA	NA	NA	17	16	3/29
Number of Days with:
Snowfall >= 1.0 inch	2	6	2	1	0	0	0	0	0	0	1	2	13
Daily Snowfall Records Set or Tied	0	0	2	0	0	0	0	0	0	0	1	0	0
* 34 months of May on record with a trace or less of snowfall. * 62 months of September and 16 months of Octobers on record with no snowfall.

Snowfall Ranks and Records:

One Day Snowfall Records (inches):

March: 15.3" on the 29th, 7.1" on the 30th.

November: 13.3" on the 17th.

Snowiest Months of March on Record
Rank	Year	Snowfall (inches)
1	1977	52.0
2	1973	49.5
3	1970	40.3
4	1998	40.0
5	1906	35.2
6	1959	34.5
7	2009	34.3
8	2016	33.3
9	1894	32.9
10	1894	32.7

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
86	2016	70.0



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

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