Casper Weather in 1991

Historical record of Casper, Wyoming weather for the year 1991 based on NOAA data.

Jump to Month:

Year:

1991 Casper Weather Extremes
Highest temperature	99 °F	July 14
Lowest temperature	-18 °F	January 29
Highest daily low	63 °F	July 21
Lowest daily high	11 °F	November 2
Most daily precipitation	1.5 inches	May 15
Most daily snow	5.3 inches	November 14
Total annual precipitation	12.4 inches	-
Total annual snow	66.6 inches	-

What was the hottest temperature in Casper in 1991?

The highest temperature recorded in Casper, Wyoming in 1991 was 99 °F which happened on July 14.

Highest Temperatures: All-Time By Year

Highest Temperatures in Casper in 1991

Rank	Temperature	Date
1	99 °F	Jul 14
2	97 °F	Jul 31
2	97 °F	Jul 6
4	96 °F	Aug 11
4	96 °F	Jul 29
6	95 °F	Aug 26
6	95 °F	Jul 16
6	95 °F	Jul 15
9	94 °F	Aug 25
9	94 °F	Aug 22
9	94 °F	Jul 4
9	94 °F	Jun 29

What was the coldest temperature in Casper in 1991?

The lowest temperature recorded in Casper, Wyoming in 1991 was -18 °F which happened on Jan 29.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Casper in 1991

Rank	Temperature	Date
1	-18 °F	January 29
2	-14 °F	November 2
3	-9 °F	January 25
4	-7 °F	January 26
5	-5 °F	January 6
6	-4 °F	November 1
7	-3 °F	December 1
7	-3 °F	November 30
9	-1 °F	January 28
9	-1 °F	January 20
9	-1 °F	January 5
9	-1 °F	January 4
9	-1 °F	January 3

January 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	41	25	0.00	0.0
January 2	30	2	0.00	0.1
January 3	18	-1	0.00	0.0
January 4	35	-1	0.00	0.0
January 5	24	-1	0.00	0.0
January 6	37	-5	0.00	0.0
January 7	36	24	0.00	0.0
January 8	38	18	0.00	0.0
January 9	40	18	0.00	0.0
January 10	38	17	0.00	0.0
January 11	39	17	0.00	0.0
January 12	44	28	0.00	0.0
January 13	46	31	0.00	0.0
January 14	43	23	0.00	0.0
January 15	42	24	0.10	1.7
January 16	32	16	0.03	0.4
January 17	32	16	0.00	0.0
January 18	39	26	0.00	0.0
January 19	33	9	0.22	4.0
January 20	22	-1	0.00	0.0
January 21	22	1	0.00	0.0
January 22	29	14	0.00	0.0
January 23	22	2	0.04	1.0
January 24	29	6	0.04	0.8
January 25	16	-9	0.00	0.0
January 26	28	-7	0.00	0.0
January 27	32	7	0.00	0.0
January 28	25	-1	0.11	2.2
January 29	17	-18	0.00	0.0
January 30	32	13	0.00	0.0
January 31	41	25	0.00	0.0

February 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	47	28	0.00	0.0
February 2	47	28	0.00	0.0
February 3	47	28	0.00	0.0
February 4	44	26	0.00	0.0
February 5	51	30	0.00	0.0
February 6	45	23	0.00	0.0
February 7	52	23	0.00	0.0
February 8	52	25	0.00	0.0
February 9	52	25	0.00	0.0
February 10	53	23	0.00	0.0
February 11	55	33	0.00	0.0
February 12	54	33	0.00	0.0
February 13	45	22	0.00	0.0
February 14	39	21	0.00	0.0
February 15	59	29	0.00	0.0
February 16	52	35	0.00	0.0
February 17	36	27	0.19	2.2
February 18	35	14	0.11	2.4
February 19	40	13	0.00	0.0
February 20	50	34	0.00	0.0
February 21	53	29	0.00	0.0
February 22	53	25	0.00	0.0
February 23	39	21	0.08	1.3
February 24	30	18	0.00	0.0
February 25	39	16	0.00	0.0
February 26	44	17	0.00	0.0
February 27	42	17	0.00	0.0
February 28	50	18	0.00	0.0

March 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	27	16	0.02	0.3
March 2	52	16	0.00	0.0
March 3	52	35	0.00	0.0
March 4	60	36	0.00	0.0
March 5	51	22	0.11	1.0
March 6	31	17	0.07	1.5
March 7	38	15	0.00	0.0
March 8	40	20	0.00	0.0
March 9	53	23	0.00	0.0
March 10	57	34	0.00	0.0
March 11	55	25	0.03	0.3
March 12	41	16	0.00	0.0
March 13	46	19	0.00	0.0
March 14	47	14	0.00	0.0
March 15	46	18	0.02	0.0
March 16	51	22	0.00	0.0
March 17	52	22	0.00	0.0
March 18	56	25	0.00	0.0
March 19	65	22	0.00	0.0
March 20	51	32	0.00	0.0
March 21	51	28	0.00	0.0
March 22	46	28	0.09	0.5
March 23	55	25	0.00	0.0
March 24	59	33	0.00	0.0
March 25	62	27	0.00	0.0
March 26	49	24	0.00	0.0
March 27	48	17	0.00	0.0
March 28	54	21	0.00	0.0
March 29	37	19	0.11	2.3
March 30	47	20	0.00	0.0
March 31	60	31	0.00	0.0

April 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	66	34	0.00	0.0
April 2	69	33	0.00	0.0
April 3	63	38	0.00	0.0
April 4	71	34	0.00	0.0
April 5	76	44	0.00	0.0
April 6	77	44	0.00	0.0
April 7	45	32	0.13	0.0
April 8	47	25	0.00	0.0
April 9	53	21	0.00	0.0
April 10	50	27	0.17	3.1
April 11	34	23	0.28	4.8
April 12	27	20	0.21	3.6
April 13	33	21	0.04	0.4
April 14	43	20	0.01	0.2
April 15	53	22	0.00	0.0
April 16	54	32	0.00	0.0
April 17	57	32	0.04	0.0
April 18	45	34	0.13	0.2
April 19	50	32	0.00	0.0
April 20	58	30	0.00	0.0
April 21	52	35	0.06	0.0
April 22	61	31	0.00	0.0
April 23	62	29	0.00	0.0
April 24	67	36	0.00	0.0
April 25	62	36	0.06	0.0
April 26	38	31	0.28	2.8
April 27	49	28	0.00	0.0
April 28	51	30	0.00	0.0
April 29	51	27	0.01	0.0
April 30	49	26	0.00	0.0

May 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	56	22	0.00	0.0
May 2	44	30	0.02	0.2
May 3	44	29	0.00	0.0
May 4	49	30	0.02	0.2
May 5	58	27	0.00	0.0
May 6	62	30	0.04	0.0
May 7	62	41	0.14	0.0
May 8	80	39	0.00	0.0
May 9	69	41	0.00	0.0
May 10	53	37	0.15	0.0
May 11	54	43	0.27	0.0
May 12	60	40	0.00	0.0
May 13	72	42	0.00	0.0
May 14	74	36	0.09	0.0
May 15	52	42	1.52	0.0
May 16	47	40	0.80	0.0
May 17	61	44	0.02	0.0
May 18	77	46	0.00	0.0
May 19	80	50	0.00	0.0
May 20	82	50	0.01	0.0
May 21	80	44	0.00	0.0
May 22	60	46	0.09	0.0
May 23	70	45	0.48	0.0
May 24	67	46	0.01	0.0
May 25	77	41	0.00	0.0
May 26	65	42	0.23	0.0
May 27	58	41	0.55	0.0
May 28	68	35	0.00	0.0
May 29	72	40	0.00	0.0
May 30	71	43	0.00	0.0
May 31	62	44	0.31	0.0

June 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	65	50	0.69
June 2	69	49	0.36
June 3	70	50	0.00
June 4	73	50	0.00
June 5	76	46	0.11
June 6	70	49	0.03
June 7	74	49	0.08
June 8	79	51	0.00
June 9	78	47	0.00
June 10	80	48	0.00
June 11	86	52	0.00
June 12	85	51	0.00
June 13	82	58	0.03
June 14	74	47	0.05
June 15	76	41	0.00
June 16	84	49	0.00
June 17	87	46	0.00
June 18	78	48	0.04
June 19	91	51	0.00
June 20	84	54	0.00
June 21	78	51	0.00
June 22	83	49	0.16
June 23	86	44	0.00
June 24	91	53	0.00
June 25	88	51	0.00
June 26	87	53	0.00
June 27	83	44	0.00
June 28	84	50	0.08
June 29	94	51	0.04
June 30	80	49	0.03

July 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	81	45	0.00
July 2	83	44	0.00
July 3	85	48	0.00
July 4	94	52	0.00
July 5	93	55	0.00
July 6	97	58	0.00
July 7	77	53	0.00
July 8	87	51	0.01
July 9	81	56	0.00
July 10	86	53	0.00
July 11	88	50	0.00
July 12	85	53	0.00
July 13	93	52	0.00
July 14	99	61	0.00
July 15	95	60	0.00
July 16	95	63	0.00
July 17	93	63	0.00
July 18	87	58	0.01
July 19	92	54	0.00
July 20	91	62	0.00
July 21	93	63	0.00
July 22	75	60	0.00
July 23	80	55	0.04
July 24	74	52	0.00
July 25	82	48	0.03
July 26	86	54	0.00
July 27	89	52	0.00
July 28	92	53	0.00
July 29	96	54	0.00
July 30	92	62	0.00
July 31	97	53	0.00

August 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	89	61	0.01
August 2	81	53	0.00
August 3	81	54	0.00
August 4	86	54	0.02
August 5	88	54	0.00
August 6	86	53	0.00
August 7	89	58	0.00
August 8	91	52	0.00
August 9	91	52	0.00
August 10	92	52	0.00
August 11	96	54	0.00
August 12	82	59	0.00
August 13	89	52	0.00
August 14	93	62	0.00
August 15	83	54	0.00
August 16	86	49	0.00
August 17	83	53	0.00
August 18	86	49	0.00
August 19	88	54	0.45
August 20	85	61	0.00
August 21	93	57	0.00
August 22	94	59	0.00
August 23	93	53	0.00
August 24	93	60	0.00
August 25	94	62	0.00
August 26	95	58	0.00
August 27	93	59	0.13
August 28	85	59	0.00
August 29	88	54	0.00
August 30	91	45	0.00
August 31	92	53	0.00

September 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	92	51	0.00
September 2	89	57	0.00
September 3	81	53	0.00
September 4	86	49	0.00
September 5	84	50	0.00
September 6	88	52	0.01
September 7	81	57	0.00
September 8	74	55	0.32
September 9	73	53	0.00
September 10	77	52	0.00
September 11	76	52	0.00
September 12	78	51	0.02
September 13	74	47	0.00
September 14	66	36	0.03
September 15	61	35	0.00
September 16	72	36	0.00
September 17	53	39	0.01
September 18	63	31	0.00
September 19	72	26	0.00
September 20	82	38	0.00
September 21	82	40	0.00
September 22	59	36	0.01
September 23	59	32	0.00
September 24	72	30	0.00
September 25	74	37	0.00
September 26	84	35	0.00
September 27	79	36	0.00
September 28	85	38	0.00
September 29	72	52	0.00
September 30	76	45	0.00

October 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	83	50	0.00	0.0
October 2	74	46	0.00	0.0
October 3	66	32	0.08	0.6
October 4	45	31	0.04	0.4
October 5	57	27	0.00	0.0
October 6	74	28	0.00	0.0
October 7	81	44	0.00	0.0
October 8	75	40	0.00	0.0
October 9	77	32	0.00	0.0
October 10	82	38	0.00	0.0
October 11	81	41	0.00	0.0
October 12	81	47	0.00	0.0
October 13	61	32	0.00	0.0
October 14	70	31	0.00	0.0
October 15	80	42	0.00	0.0
October 16	83	50	0.00	0.0
October 17	73	33	0.00	0.0
October 18	58	33	0.00	0.0
October 19	60	32	0.00	0.0
October 20	67	24	0.00	0.0
October 21	70	33	0.00	0.0
October 22	64	28	0.00	0.0
October 23	47	27	0.08	0.0
October 24	47	21	0.00	0.0
October 25	50	30	0.00	0.0
October 26	62	38	0.00	0.0
October 27	56	14	0.14	1.6
October 28	16	7	0.16	3.8
October 29	20	4	0.01	0.2
October 30	15	1	0.01	0.4
October 31	32	10	0.03	0.6

November 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	19	-4	0.10	1.9
November 2	11	-14	0.00	0.1
November 3	27	7	0.00	0.0
November 4	42	20	0.00	0.0
November 5	47	31	0.00	0.0
November 6	44	22	0.11	0.1
November 7	48	27	0.00	0.0
November 8	58	37	0.00	0.0
November 9	53	33	0.00	0.0
November 10	53	28	0.00	0.0
November 11	52	25	0.00	0.0
November 12	61	40	0.00	0.0
November 13	63	28	0.00	0.0
November 14	35	30	0.32	5.3
November 15	33	22	0.01	0.2
November 16	38	18	0.00	0.0
November 17	45	26	0.00	0.0
November 18	42	27	0.10	2.0
November 19	36	17	0.00	0.0
November 20	43	31	0.00	0.0
November 21	44	24	0.00	0.0
November 22	29	8	0.11	2.3
November 23	29	8	0.00	0.0
November 24	40	25	0.00	0.0
November 25	43	28	0.00	0.0
November 26	45	31	0.06	0.6
November 27	46	25	0.09	0.9
November 28	30	16	0.18	2.0
November 29	26	12	0.10	1.4
November 30	14	-3	0.00	0.0

December 1991 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	20	-3	0.00	0.0
December 2	28	10	0.10	1.5
December 3	32	11	0.00	0.0
December 4	38	29	0.00	0.0
December 5	41	26	0.00	0.0
December 6	46	35	0.00	0.0
December 7	45	31	0.03	0.3
December 8	36	17	0.09	1.4
December 9	37	16	0.00	0.0
December 10	38	17	0.00	0.0
December 11	37	18	0.00	0.0
December 12	36	21	0.00	0.0
December 13	33	2	0.05	0.7
December 14	37	10	0.00	0.0
December 15	38	23	0.00	0.0
December 16	43	15	0.00	0.0
December 17	43	9	0.00	0.0
December 18	45	14	0.00	0.0
December 19	40	30	0.05	0.5
December 20	35	25	0.02	0.3
December 21	40	23	0.00	0.0
December 22	37	20	0.00	0.0
December 23	35	21	0.00	0.0
December 24	37	20	0.00	0.0
December 25	36	17	0.00	0.0
December 26	35	15	0.00	0.0
December 27	37	20	0.00	0.0
December 28	42	25	0.00	0.0
December 29	37	24	0.00	0.0
December 30	37	19	0.00	0.0
December 31	33	15	0.00	0.0

Next Year >

Weather Station Details

Years	Station	Coordinates
1949–2023	Casper-Natrona County International Airport	location
1900–1948	Casper 2 E	location