Casper Weather in 1977

Historical record of Casper, Wyoming weather for the year 1977 based on NOAA data.

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1977 Casper Weather Extremes
Highest temperature	99 °F	July 17
Lowest temperature	-23 °F	December 9
Highest daily low	70 °F	July 18
Lowest daily high	3 °F	January 8
Most daily precipitation	1.1 inches	July 23
Most daily snow	8.1 inches	November 19
Total annual precipitation	10.0 inches	-
Total annual snow	91.0 inches	-

What was the hottest temperature in Casper in 1977?

The highest temperature recorded in Casper, Wyoming in 1977 was 99 °F which happened on July 17.

Highest Temperatures: All-Time By Year

Highest Temperatures in Casper in 1977

Rank	Temperature	Date
1	99 °F	Jul 17
2	98 °F	Jul 18
3	96 °F	Jul 16
3	96 °F	Jul 15
3	96 °F	Jul 12
6	95 °F	Jul 29
7	93 °F	Jul 13
7	93 °F	Jun 25
9	92 °F	Jun 26
9	92 °F	Jun 4
9	92 °F	Jun 3

What was the coldest temperature in Casper in 1977?

The lowest temperature recorded in Casper, Wyoming in 1977 was -23 °F which happened on Dec 9.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Casper in 1977

Rank	Temperature	Date
1	-23 °F	December 9
2	-20 °F	December 8
3	-18 °F	January 5
4	-14 °F	November 20
5	-10 °F	January 8
6	-9 °F	January 9
7	-8 °F	December 31
7	-8 °F	December 6
9	-7 °F	December 5
10	-6 °F	January 4
10	-6 °F	January 2

January 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	28	1	0.02	0.2
January 2	33	-6	0.00	0.0
January 3	38	26	0.03	0.8
January 4	26	-6	0.19	5.2
January 5	9	-18	0.00	0.0
January 6	24	-2	0.00	0.0
January 7	29	2	0.06	1.6
January 8	3	-10	0.01	0.1
January 9	14	-9	0.00	0.0
January 10	27	-1	0.00	0.0
January 11	28	-3	0.00	0.0
January 12	33	22	0.00	0.0
January 13	35	17	0.00	0.0
January 14	33	9	0.00	0.0
January 15	12	-2	0.02	0.2
January 16	34	8	0.00	0.0
January 17	38	23	0.00	0.0
January 18	42	26	0.00	0.0
January 19	41	24	0.00	0.0
January 20	46	17	0.00	0.0
January 21	46	10	0.00	0.0
January 22	39	18	0.02	0.4
January 23	35	13	0.00	0.0
January 24	32	12	0.00	0.0
January 25	34	13	0.00	0.0
January 26	39	21	0.00	0.0
January 27	41	9	0.00	0.0
January 28	35	1	0.00	0.0
January 29	34	10	0.00	0.0
January 30	37	12	0.00	0.0
January 31	45	23	0.00	0.0

February 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	41	19	0.00	0.0
February 2	38	16	0.00	0.0
February 3	42	19	0.00	0.0
February 4	43	16	0.00	0.0
February 5	46	17	0.00	0.0
February 6	42	13	0.00	0.0
February 7	45	16	0.00	0.0
February 8	49	25	0.00	0.0
February 9	51	23	0.00	0.0
February 10	48	20	0.00	0.0
February 11	47	21	0.00	0.0
February 12	50	22	0.00	0.0
February 13	53	24	0.05	1.1
February 14	29	9	0.20	4.3
February 15	41	15	0.00	0.0
February 16	44	15	0.00	0.0
February 17	52	28	0.00	0.0
February 18	40	25	0.01	0.3
February 19	50	23	0.00	0.0
February 20	57	26	0.00	0.0
February 21	58	38	0.00	0.0
February 22	43	28	0.37	5.2
February 23	34	17	0.05	0.7
February 24	32	9	0.00	0.0
February 25	31	8	0.00	0.0
February 26	31	6	0.01	0.2
February 27	30	5	0.00	0.0
February 28	39	17	0.00	0.0

March 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	40	16	0.00	0.0
March 2	26	19	0.06	0.9
March 3	30	17	0.00	0.0
March 4	30	16	0.06	2.0
March 5	32	17	0.00	0.0
March 6	42	18	0.00	0.0
March 7	53	33	0.00	0.0
March 8	54	32	0.00	0.0
March 9	56	32	0.00	0.0
March 10	34	27	0.00	0.0
March 11	37	17	0.00	0.0
March 12	45	15	0.00	0.0
March 13	54	30	0.00	0.0
March 14	38	17	0.00	0.0
March 15	41	15	0.00	0.0
March 16	49	25	0.00	0.0
March 17	41	28	0.01	0.3
March 18	31	9	0.29	6.3
March 19	37	7	0.00	0.0
March 20	30	14	0.01	1.0
March 21	42	12	0.00	0.0
March 22	54	28	0.00	0.0
March 23	64	28	0.00	0.0
March 24	57	34	0.00	0.0
March 25	43	29	0.11	0.5
March 26	52	25	0.00	0.0
March 27	58	29	0.00	0.0
March 28	32	22	0.27	7.8
March 29	24	20	0.21	7.1
March 30	28	10	0.03	0.7
March 31	39	7	0.00	0.0

April 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	39	25	0.00	0.0
April 2	27	19	0.12	1.0
April 3	35	7	0.00	0.0
April 4	36	29	0.02	0.2
April 5	54	32	0.00	0.0
April 6	64	30	0.00	0.0
April 7	69	28	0.00	0.0
April 8	73	36	0.00	0.0
April 9	78	43	0.00	0.0
April 10	63	35	0.00	0.0
April 11	41	36	0.07	0.0
April 12	47	33	0.21	0.0
April 13	58	26	0.00	0.0
April 14	67	40	0.00	0.0
April 15	50	35	0.07	0.0
April 16	65	42	0.00	0.0
April 17	60	32	0.18	2.0
April 18	38	30	0.18	1.4
April 19	48	32	0.05	0.2
April 20	58	27	0.00	0.0
April 21	65	32	0.00	0.0
April 22	71	38	0.00	0.0
April 23	71	32	0.00	0.0
April 24	72	34	0.00	0.0
April 25	71	33	0.00	0.0
April 26	79	37	0.00	0.0
April 27	73	47	0.12	0.0
April 28	73	42	0.03	0.0
April 29	71	44	0.02	0.0
April 30	77	39	0.00	0.0

May 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	65	45	0.04
May 2	73	41	0.00
May 3	73	40	0.00
May 4	57	35	0.00
May 5	58	31	0.00
May 6	68	39	0.03
May 7	77	47	0.00
May 8	80	41	0.00
May 9	81	43	0.00
May 10	75	42	0.01
May 11	73	38	0.00
May 12	80	47	0.00
May 13	78	43	0.00
May 14	70	46	0.38
May 15	61	39	1.13
May 16	70	43	0.03
May 17	66	42	0.00
May 18	56	41	0.20
May 19	57	37	0.00
May 20	60	37	0.02
May 21	63	34	0.00
May 22	71	38	0.03
May 23	79	42	0.00
May 24	79	45	0.00
May 25	70	51	0.00
May 26	68	43	0.04
May 27	70	40	0.00
May 28	65	35	0.00
May 29	69	39	0.02
May 30	70	36	0.00
May 31	82	33	0.00

June 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	89	44	0.00
June 2	91	54	0.00
June 3	92	45	0.00
June 4	92	52	0.00
June 5	86	53	0.00
June 6	89	58	0.00
June 7	87	59	0.00
June 8	88	55	0.00
June 9	89	60	0.02
June 10	83	51	0.00
June 11	83	44	0.01
June 12	77	53	0.04
June 13	84	50	0.00
June 14	91	52	0.00
June 15	89	54	0.01
June 16	85	54	0.00
June 17	74	51	0.00
June 18	69	53	0.00
June 19	77	45	0.00
June 20	86	53	0.00
June 21	80	51	0.11
June 22	81	53	0.00
June 23	87	52	0.00
June 24	87	53	0.00
June 25	93	62	0.00
June 26	92	62	0.00
June 27	91	63	0.00
June 28	84	55	0.00
June 29	89	55	0.00
June 30	79	49	0.00

July 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	87	48	0.00
July 2	89	64	0.00
July 3	90	61	0.00
July 4	83	61	0.00
July 5	86	58	0.00
July 6	91	60	0.00
July 7	84	50	0.06
July 8	86	50	0.00
July 9	90	50	0.00
July 10	87	48	0.00
July 11	83	40	0.00
July 12	96	46	0.00
July 13	93	58	0.00
July 14	87	55	0.00
July 15	96	54	0.00
July 16	96	60	0.00
July 17	99	59	0.00
July 18	98	70	0.00
July 19	89	62	0.06
July 20	73	58	0.04
July 21	80	55	0.00
July 22	90	59	0.01
July 23	91	62	1.14
July 24	74	60	0.41
July 25	79	58	0.02
July 26	88	57	0.00
July 27	84	55	0.02
July 28	85	53	0.12
July 29	95	57	0.00
July 30	83	53	0.00
July 31	83	48	0.00

August 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	87	49	0.00
August 2	91	53	0.00
August 3	88	56	0.01
August 4	80	53	0.05
August 5	71	54	0.12
August 6	83	54	0.03
August 7	84	52	0.00
August 8	85	54	0.00
August 9	84	50	0.00
August 10	67	47	0.00
August 11	79	45	0.00
August 12	87	45	0.00
August 13	90	49	0.00
August 14	91	49	0.00
August 15	81	54	0.00
August 16	88	52	0.00
August 17	85	53	0.00
August 18	71	56	0.01
August 19	87	53	0.00
August 20	89	52	0.00
August 21	86	48	0.00
August 22	86	54	0.00
August 23	89	52	0.00
August 24	88	53	0.00
August 25	80	61	0.02
August 26	64	50	0.10
August 27	68	47	0.00
August 28	73	41	0.00
August 29	81	47	0.00
August 30	85	43	0.00
August 31	72	33	0.00

September 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	80	47	0.00
September 2	89	42	0.00
September 3	89	50	0.00
September 4	87	47	0.00
September 5	91	54	0.00
September 6	90	53	0.00
September 7	91	51	0.00
September 8	87	40	0.00
September 9	75	32	0.00
September 10	84	38	0.00
September 11	84	45	0.01
September 12	71	45	0.00
September 13	78	40	0.00
September 14	84	47	0.00
September 15	78	54	0.01
September 16	78	43	0.00
September 17	72	40	0.00
September 18	70	36	0.00
September 19	77	35	0.00
September 20	78	48	0.00
September 21	65	41	0.13
September 22	68	32	0.00
September 23	59	40	0.12
September 24	71	39	0.00
September 25	77	36	0.00
September 26	77	32	0.00
September 27	79	34	0.00
September 28	82	43	0.00
September 29	81	41	0.02
September 30	62	39	0.01

October 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	55	29	0.00	0.0
October 2	67	26	0.00	0.0
October 3	79	36	0.00	0.0
October 4	57	39	0.00	0.0
October 5	53	36	0.00	0.0
October 6	68	31	0.20	0.0
October 7	58	35	0.02	0.0
October 8	59	33	0.00	0.0
October 9	61	30	0.07	1.0
October 10	41	26	0.18	3.3
October 11	51	22	0.00	0.0
October 12	67	30	0.00	0.0
October 13	72	43	0.00	0.0
October 14	64	34	0.00	0.0
October 15	70	26	0.00	0.0
October 16	78	43	0.00	0.0
October 17	68	31	0.00	0.0
October 18	75	32	0.00	0.0
October 19	75	34	0.00	0.0
October 20	68	40	0.05	0.0
October 21	48	41	0.15	0.0
October 22	62	29	0.00	0.0
October 23	68	35	0.00	0.0
October 24	63	38	0.00	0.0
October 25	72	45	0.00	0.0
October 26	74	37	0.00	0.0
October 27	66	29	0.00	0.0
October 28	69	35	0.00	0.0
October 29	68	45	0.04	0.0
October 30	55	37	0.00	0.0
October 31	46	20	0.00	0.0

November 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	48	18	0.00	0.0
November 2	62	31	0.00	0.0
November 3	54	27	0.00	0.0
November 4	70	43	0.00	0.0
November 5	67	31	0.00	0.0
November 6	47	25	0.00	0.0
November 7	58	24	0.02	1.0
November 8	28	9	0.07	2.7
November 9	31	3	0.00	0.0
November 10	47	22	0.00	0.0
November 11	55	27	0.00	0.0
November 12	59	34	0.00	0.0
November 13	58	30	0.00	0.0
November 14	49	28	0.00	0.0
November 15	53	28	0.00	0.0
November 16	44	20	0.00	0.0
November 17	40	15	0.00	0.0
November 18	38	19	0.24	5.1
November 19	19	4	0.39	8.1
November 20	4	-14	0.05	1.2
November 21	33	-3	0.00	0.0
November 22	41	30	0.00	0.0
November 23	40	28	0.00	0.0
November 24	42	28	0.00	0.0
November 25	46	24	0.00	0.0
November 26	53	25	0.02	0.0
November 27	43	24	0.00	0.0
November 28	43	22	0.00	0.0
November 29	41	24	0.00	0.0
November 30	37	19	0.00	0.1

December 1977 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	32	18	0.00	0.0
December 2	50	32	0.00	0.0
December 3	54	37	0.00	0.0
December 4	50	15	0.17	3.4
December 5	17	-7	0.04	2.0
December 6	40	-8	0.00	0.0
December 7	48	15	0.03	0.9
December 8	15	-20	0.07	2.1
December 9	10	-23	0.00	0.0
December 10	45	10	0.00	0.0
December 11	47	34	0.00	0.0
December 12	44	25	0.00	0.0
December 13	45	27	0.00	0.0
December 14	53	39	0.00	0.0
December 15	50	30	0.00	0.0
December 16	35	22	0.06	1.2
December 17	36	19	0.00	0.0
December 18	37	16	0.02	0.4
December 19	28	10	0.00	0.4
December 20	26	10	0.00	0.0
December 21	33	17	0.00	0.0
December 22	40	30	0.00	0.0
December 23	40	18	0.00	0.0
December 24	18	7	0.02	0.5
December 25	39	3	0.00	0.0
December 26	29	6	0.00	0.2
December 27	32	-1	0.00	0.0
December 28	41	12	0.00	0.0
December 29	37	17	0.00	0.0
December 30	42	12	0.21	3.4
December 31	12	-8	0.09	2.3

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Weather Station Details

Years	Station	Coordinates
1949–2024	Casper-Natrona County International Airport	location
1900–1948	Casper 2 E	location