St. Helena Weather in 1990

1990 St. Helena Weather Extremes
Highest temperature	107 °F	July 12
Lowest temperature	14 °F	December 21
Highest daily low	64 °F	July 12
Lowest daily high	38 °F	December 21
Most daily precipitation	2.3 inches	January 12
Most daily snow	none	-
Total annual precipitation	14.1 inches	-
Total annual snow	none	-

Rank	Temperature	Date
1	107 °F	Jul 12
2	106 °F	Aug 8
3	105 °F	Aug 5
4	103 °F	Jul 11
4	103 °F	Jul 10
4	103 °F	Jun 21
7	102 °F	Jun 20
8	101 °F	Aug 11
8	101 °F	Jun 19
10	100 °F	Sep 29
10	100 °F	Aug 7
10	100 °F	Aug 6

Rank	Temperature	Date
1	14 °F	December 21
2	16 °F	December 22
3	20 °F	December 24
3	20 °F	December 23
5	21 °F	December 26
5	21 °F	December 25
7	22 °F	December 31
7	22 °F	December 30
7	22 °F	December 29
7	22 °F	December 20

January 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	47	31	0.18
January 2	57	31	0.00
January 3	58	28	0.00
January 4	54	30	0.00
January 5	55	34	0.00
January 6	52	34	0.60
January 7	54	48	1.44
January 8	61	48	0.10
January 9	63	46	0.00
January 10	63	40	0.00
January 11	62	42	0.00
January 12	57	45	2.30
January 13	51	46	1.18
January 14	56	35	0.00
January 15	57	38	0.08
January 16	51	32	0.00
January 17	59	34	0.00
January 18	62	31	0.00
January 19	47	31	0.00
January 20	61	30	0.00
January 21	60	32	0.00
January 22	61	32	0.00
January 23	67	34	0.00
January 24	64	34	0.00
January 25	59	35	0.00
January 26	57	34	0.00
January 27	61	31	0.00
January 28	60	31	0.00
January 29	58	43	0.29
January 30	52	32	0.00
January 31	51	32	0.53

February 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	54	33	0.00
February 2	60	35	0.00
February 3	53	33	0.82
February 4	55	36	0.00
February 5	55	36	0.06
February 6	54	28	0.00
February 7	54	28	0.00
February 8	54	33	0.00
February 9	58	35	0.00
February 10	64	37	0.00
February 11	61	40	0.00
February 12	61	34	0.00
February 13	50	35	0.00
February 14	50	27	0.00
February 15	51	30	1.48
February 16	48	31	1.22
February 17	43	27	0.25
February 18	51	28	0.00
February 19	60	31	0.00
February 20	52	32	0.00
February 21	66	31	0.00
February 22	72	41	0.00
February 23	74	41	0.00
February 24	75	42	0.00
February 25	76	43	0.00
February 26	58	44	0.00
February 27	61	46	0.00
February 28	57	46	0.00

March 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	55	47	0.10
March 2	55	47	0.61
March 3	64	43	0.00
March 4	50	36	0.38
March 5	65	37	0.00
March 6	71	37	0.00
March 7	57	42	0.03
March 8	59	36	0.00
March 9	63	41	0.26
March 10	63	37	0.03
March 11	55	32	0.00
March 12	57	31	0.08
March 13	60	37	0.00
March 14	57	45	0.00
March 15	72	46	0.02
March 16	70	48	0.00
March 17	69	44	0.00
March 18	70	45	0.00
March 19	73	41	0.00
March 20	76	46	0.00
March 21	78	44	0.00
March 22	74	44	0.00
March 23	77	42	0.00
March 24	70	42	0.00
March 25	69	39	0.00
March 26	75	40	0.00
March 27	76	47	0.00
March 28	78	43	0.00
March 29	78	43	0.00
March 30	72	45	0.00
March 31	69	44	0.00

April 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	72	39	0.00
April 2	78	40	0.00
April 3	85	47	0.00
April 4	84	46	0.00
April 5	69	49	0.00
April 6	70	49	0.00
April 7	58	50	0.00
April 8	63	41	0.00
April 9	78	44	0.00
April 10	79	46	0.00
April 11	79	47	0.00
April 12	86	47	0.00
April 13	92	48	0.00
April 14	78	53	0.00
April 15	65	52	0.00
April 16	64	53	0.00
April 17	66	51	0.00
April 18	75	49	0.00
April 19	64	50	0.03
April 20	73	50	0.00
April 21	71	48	0.00
April 22	72	48	0.20
April 23	70	44	0.00
April 24	76	46	0.00
April 25	83	53	0.00
April 26	87	50	0.00
April 27	88	50	0.00
April 28	88	50	0.00
April 29	88	47	0.00
April 30	79	50	0.00

May 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	n/a	n/a	n/a
May 2	n/a	n/a	n/a
May 3	n/a	n/a	n/a
May 4	n/a	n/a	n/a
May 5	n/a	n/a	n/a
May 6	n/a	n/a	n/a
May 7	n/a	n/a	n/a
May 8	n/a	n/a	n/a
May 9	n/a	n/a	n/a
May 10	n/a	n/a	n/a
May 11	n/a	n/a	n/a
May 12	n/a	n/a	n/a
May 13	n/a	n/a	n/a
May 14	n/a	n/a	n/a
May 15	n/a	n/a	n/a
May 16	n/a	n/a	n/a
May 17	n/a	n/a	n/a
May 18	n/a	n/a	n/a
May 19	n/a	n/a	n/a
May 20	n/a	n/a	n/a
May 21	n/a	n/a	n/a
May 22	n/a	n/a	n/a
May 23	n/a	n/a	n/a
May 24	n/a	n/a	n/a
May 25	n/a	n/a	n/a
May 26	n/a	n/a	n/a
May 27	n/a	n/a	n/a
May 28	n/a	n/a	n/a
May 29	n/a	n/a	n/a
May 30	n/a	n/a	n/a
May 31	n/a	n/a	n/a

June 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	75	48	0.00
June 2	83	50	0.00
June 3	80	50	0.00
June 4	84	53	0.00
June 5	87	60	0.00
June 6	77	53	0.00
June 7	90	53	0.00
June 8	99	59	0.00
June 9	91	58	0.00
June 10	82	50	0.00
June 11	85	52	0.00
June 12	85	51	0.00
June 13	86	51	0.00
June 14	77	54	0.00
June 15	78	54	0.00
June 16	81	51	0.00
June 17	83	52	0.00
June 18	81	53	0.00
June 19	101	56	0.00
June 20	102	59	0.00
June 21	103	56	0.00
June 22	77	53	0.00
June 23	83	53	0.00
June 24	86	48	0.00
June 25	89	49	0.00
June 26	89	51	0.00
June 27	n/a	n/a	0.00
June 28	93	55	0.00
June 29	85	51	0.00
June 30	93	52	0.00

July 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	90	55	0.00
July 2	88	53	0.00
July 3	89	49	0.00
July 4	78	53	0.00
July 5	81	56	0.00
July 6	89	53	0.00
July 7	91	53	0.00
July 8	80	56	0.00
July 9	94	55	0.00
July 10	103	60	0.00
July 11	103	60	0.00
July 12	107	64	0.00
July 13	97	56	0.00
July 14	87	56	0.00
July 15	85	56	0.00
July 16	86	59	0.00
July 17	95	59	0.00
July 18	84	59	0.00
July 19	95	57	0.00
July 20	98	58	0.00
July 21	97	54	0.00
July 22	84	54	0.00
July 23	85	51	0.00
July 24	83	54	0.00
July 25	80	55	0.00
July 26	92	54	0.00
July 27	87	54	0.00
July 28	89	54	0.00
July 29	91	53	0.00
July 30	91	53	0.00
July 31	84	56	0.00

August 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	86	55	0.00
August 2	88	56	0.00
August 3	84	n/a	0.00
August 4	93	53	0.00
August 5	105	56	0.00
August 6	100	53	0.00
August 7	100	n/a	0.00
August 8	106	56	0.00
August 9	91	58	0.00
August 10	97	56	0.00
August 11	101	58	0.00
August 12	87	57	0.00
August 13	88	58	0.00
August 14	77	53	0.00
August 15	83	55	0.00
August 16	81	59	0.00
August 17	84	62	0.00
August 18	80	53	0.00
August 19	83	53	0.00
August 20	82	n/a	0.00
August 21	87	53	0.00
August 22	93	58	0.00
August 23	90	56	0.00
August 24	89	50	0.00
August 25	73	53	0.00
August 26	75	59	0.00
August 27	81	58	0.00
August 28	91	58	0.00
August 29	84	54	0.00
August 30	85	52	0.00
August 31	89	52	0.00

September 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	85	52	0.00
September 2	91	51	0.00
September 3	87	49	0.00
September 4	86	48	0.00
September 5	90	50	0.00
September 6	89	49	0.00
September 7	90	44	0.00
September 8	92	47	0.00
September 9	98	47	0.00
September 10	98	47	0.00
September 11	87	51	0.00
September 12	91	47	0.00
September 13	90	n/a	0.00
September 14	88	52	0.00
September 15	84	52	0.00
September 16	87	52	0.00
September 17	87	52	0.00
September 18	82	52	0.00
September 19	92	51	0.00
September 20	98	52	0.00
September 21	85	59	0.00
September 22	85	57	0.21
September 23	79	55	0.00
September 24	77	55	0.00
September 25	74	55	0.00
September 26	80	52	0.00
September 27	85	51	0.00
September 28	84	52	0.00
September 29	100	53	0.00
September 30	94	53	0.00

October 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	78	50	0.00
October 2	93	53	0.00
October 3	94	56	0.00
October 4	94	n/a	0.00
October 5	94	53	0.00
October 6	94	44	0.00
October 7	81	56	0.00
October 8	86	43	0.00
October 9	87	43	0.00
October 10	87	45	0.00
October 11	88	45	0.00
October 12	86	47	0.00
October 13	84	46	0.00
October 14	80	44	0.00
October 15	79	46	0.00
October 16	84	42	0.00
October 17	82	48	0.00
October 18	82	48	0.21
October 19	72	42	0.00
October 20	77	43	0.00
October 21	82	44	0.00
October 22	83	44	0.00
October 23	82	46	0.00
October 24	86	47	0.00
October 25	79	46	0.00
October 26	82	44	0.00
October 27	80	44	0.00
October 28	78	43	0.00
October 29	72	43	0.00
October 30	72	50	0.39
October 31	73	39	0.00

November 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	66	44	0.00
November 2	78	44	0.00
November 3	80	44	0.00
November 4	75	45	0.00
November 5	75	45	0.00
November 6	72	43	0.00
November 7	72	45	0.00
November 8	78	42	0.00
November 9	79	41	0.00
November 10	81	40	0.00
November 11	81	42	0.00
November 12	80	41	0.00
November 13	69	43	0.00
November 14	59	35	0.05
November 15	72	34	0.00
November 16	72	35	0.00
November 17	68	41	0.00
November 18	68	43	0.00
November 19	64	37	0.00
November 20	56	41	0.14
November 21	61	36	0.00
November 22	66	34	0.00
November 23	65	33	0.00
November 24	69	33	0.00
November 25	52	35	0.37
November 26	57	31	0.00
November 27	58	31	0.00
November 28	63	31	0.00
November 29	62	37	0.00
November 30	66	33	0.00

December 1990 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	66	30	0.00
December 2	66	33	0.00
December 3	66	29	0.00
December 4	62	32	0.00
December 5	69	32	0.00
December 6	70	32	0.00
December 7	67	34	0.00
December 8	71	34	0.00
December 9	69	40	0.00
December 10	55	46	0.00
December 11	56	34	0.00
December 12	56	35	0.00
December 13	55	n/a	0.00
December 14	56	29	0.40
December 15	48	35	0.08
December 16	54	34	0.00
December 17	60	31	0.00
December 18	57	32	0.00
December 19	60	24	0.00
December 20	43	22	0.00
December 21	38	14	0.00
December 22	41	16	0.00
December 23	44	20	0.00
December 24	53	20	0.00
December 25	53	21	0.00
December 26	55	21	0.00
December 27	56	26	0.00
December 28	55	27	0.00
December 29	55	22	0.00
December 30	54	22	0.00
December 31	52	22	0.00