Mesonet Station Summary

CAUTION: Mesonet data are only available since 1994, a period considered too short to give reliable climate statistics for temperature and precipitation. Cooperative observer sites are strongly recommended for these purposes. Other variables, such as humidity, soil temperatures, and winds, are not available from cooperative observer sites and Mesonet represents the best-available information.

SPEN     Spencer (Spencer 2.0 ENE)
*	Oklahoma County	Climate Division: 5
*	Latitude: 3532N;     Longitude: 9720W	Elevation: 1223 ft
*	Period of Record:	19940101-20041231

Monthly Averages (1994-2004)
	Temperature (deg Fahrenheit)			Precipitation (inches)	Wind (Miles Per Hour)		Solar Radiation
	Daily Max	Daily Min	Daily Avg	Monthly Average	Direction	Speed	Daily Avg (MJ/m2)
January	49.3	28.9	39.1	1.57	S	7.9	9.6
February	55.6	33.2	44.4	1.21	SSE	7.9	11.9
March	61.7	39.1	50.4	3.97	SSE	8.6	16.0
April	71.7	49.1	60.4	4.83	SSE	9.1	19.7
May	79.4	58.4	68.9	4.30	SSE	7.7	21.9
June	85.6	66.2	75.9	4.73	SE	6.9	23.4
July	93.1	71.8	82.5	3.89	SSE	6.6	24.6
August	92.8	71.1	81.9	3.85	SSE	6.1	22.3
September	84.3	62.2	73.3	4.50	SE	6.1	17.9
October	73.3	51.8	62.6	4.39	SSE	7.0	13.5
November	60.6	40.0	50.3	4.43	SSE	7.6	9.4
December	51.4	31.2	41.3	2.24	NA	NA	8.4
Annual	71.6	50.3	61.0	44.33	SSE	7.4	16.6

Monthly Extremes (1994-2004)
	Temperature (F)				Precipitation (inches)			Wind Speed
	Record High		Record Low		Monthly Max	Daily Max	Rain Rate (in/hr)	Peak Gust (mph)
Jan	80	( 2nd, 1997)	0	(19th, 1996)	4.71" (1998)	2.23" ( 4th, 1998)	2.16" ( 4th, 1998)	43	(28th, 1996)
Feb	91	(22nd, 1996)	-6	( 4th, 1996)	3.12" (1997)	5.75" (19th, 1994)	8.50" (19th, 1994)	49	(25th, 2000)
Mar	92	(21st, 1997)	5	( 3rd, 2002)	13.82" (1994)	5.51" ( 8th, 1994)	4.72" ( 7th, 1994)	58	(24th, 1996)
Apr	92	(14th, 1994)	24	(13th, 1997)	12.82" (1994)	7.87" (29th, 1994)	4.44" (30th, 2000)	46	(16th, 2003)
May	99	(30th, 2003)	37	( 3rd, 2004)	14.42" (1994)	6.93" (29th, 1994)	8.50" (29th, 1994)	51	(23rd, 1995)
Jun	103	(25th, 1994)	46	( 6th, 1998)	8.85" (2004)	4.65" (20th, 1994)	16.06" (20th, 1994)	49	(18th, 1996)
Jul	109	( 6th, 1996)	54	( 5th, 1997)	11.19" (1994)	4.69" (14th, 1994)	12.28" (14th, 1994)	56	(23rd, 1995)
Aug	105	(26th, 1999)	53	(21st, 2004)	8.51" (1994)	3.62" (31st, 1994)	10.87" (30th, 1994)	51	(10th, 2004)
Sep	109	( 3rd, 2000)	37	(22nd, 1995)	9.92" (1994)	3.41" (18th, 2001)	7.56" (10th, 1999)	60	(21st, 1998)
Oct	93	( 3rd, 2000)	23	( 9th, 2000)	11.12" (1994)	4.02" ( 7th, 1994)	10.39" (18th, 1994)	49	(31st, 1994)
Nov	84	( 3rd, 1994)	15	(24th, 2003)	26.96" (1994)	7.48" (20th, 1994)	6.14" ( 4th, 1994)	51	(20th, 1994)
Dec	76	(10th, 1996)	5	(24th, 2004)	6.81" (1994)	3.11" ( 8th, 1994)	6.61" (15th, 1994)	43	( 2nd, 1999)
Annual	109	(Sep 3, 2000)	-6	(Feb 4, 1996)	26.96" (Nov 1994)	7.87" (Apr 29, 1994)	16.06" (Jun 20, 1994)	60	(Sep 21, 1998)

Mean Monthly Humidity and Moisture (1994-2004)
	Daily Max Relative Humidity	Daily Min Relative Humidity	Daily Average Relative Humidity	Daily Average Dewpoint	Daily Average Vapor Deficit
January	85	45	66	27	3.4
February	84	41	63	30	4.7
March	85	41	63	36	5.9
April	85	41	63	45	7.9
May	91	50	71	58	8.1
June	91	53	74	66	9.4
July	87	44	66	68	14.9
August	85	43	65	67	15.0
September	88	45	68	60	10.8
October	87	46	68	50	7.1
November	87	48	68	38	4.7
December	87	46	67	29	3.5
Annual	87	45	67	48	8.0

Soil Temperature at 10 cm (4-inch) Depth (1994-2004)
	Average Temperature Beneath Sod	Average Temperature Beneath Bare Soil	Average Daily Max Temperature	Average Daily Min Temperature
January	41	41	45	38
February	44	45	50	40
March	51	51	58	46
April	60	62	70	55
May	70	72	81	65
June	77	80	89	73
July	82	87	96	80
August	82	86	94	79
September	75	76	84	70
October	65	65	71	59
November	53	52	57	48
December	44	42	47	39
Annual	62	63	70	58

Wind Rose: Wedges show the percent of time for each direction from which the wind blows