coop station summary

Cooperative Observer Station Summary

POTEAU WATER WORKS (347254)

*
LEFLORE County

Climate Division: 9

*
Latitude: 3503N; Longitude: 09437W

Elevation: 439 ft

*
Precipitation Period of Record:

19170901-20020831 ( 87%)

*
Temperature Period of Record:

19170908-20020831 ( 87%)

Monthly Averages (1971-2000)

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

50.4
28.0 39.4 3.12 1.93

February
57.5 31.8 44.4 2.87 2.21

March
64.8 39.6 52.0 4.22 0.36

April
74.3 46.9 60.5 4.25 0.0

May
81.2 57.5 69.1 5.89 0.0

June
88.3 65.4 76.6 4.42 0.0

July
93.8 69.7 81.4 3.26 0.0

August
93.8 68.1 80.7 2.64 0.0

September
85.9 60.8 73.1 4.66 0.0

October
70.0 48.6 62.2 4.10 0.0

November
63.8 38.9 50.9 4.54 0.12

December
52.8 30.2 41.2 3.92 0.26

Annual
73.9 49.0 61.2 47.74 3.72

Monthly Averages (1971-2000)
	Temperature (deg Fahrenheit)	Precipitation (inches)	Snowfall and Sleet (inches)
	Daily Max	Daily Min	Daily Avg	Monthly Average	Monthly Average
January	50.4	28.0	39.4	3.12	1.93
February	57.5	31.8	44.4	2.87	2.21
March	64.8	39.6	52.0	4.22	0.36
April	74.3	46.9	60.5	4.25	0.0
May	81.2	57.5	69.1	5.89	0.0
June	88.3	65.4	76.6	4.42	0.0
July	93.8	69.7	81.4	3.26	0.0
August	93.8	68.1	80.7	2.64	0.0
September	85.9	60.8	73.1	4.66	0.0
October	70.0	48.6	62.2	4.10	0.0
November	63.8	38.9	50.9	4.54	0.12
December	52.8	30.2	41.2	3.92	0.26
Annual	73.9	49.0	61.2	47.74	3.72

Average Number of Days Per Month (1971-2000)

Temperature

Precipitation

Snowfall and Sleet

Max>100

Max>90

Max<32

Min<32

Min<0

any

meas

0.10"+

0.25"+

0.50"+

1.00"+

any

meas

0.50"+

1.00"+

Glazing

Jan
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Feb
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Mar
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Apr
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

May
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Jun
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Jul
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Aug
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Sep
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Oct
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Nov
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Dec
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Ann
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Average Number of Days Per Month (1971-2000)
	Temperature	Precipitation	Snowfall and Sleet
	Max>100	Max>90	Max<32	Min<32	Min<0	any	meas	0.10"+	0.25"+	0.50"+	1.00"+	any	meas	0.50"+	1.00"+	Glazing
Jan	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Feb	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Mar	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Apr	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
May	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Jun	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Jul	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Aug	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Sep	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Oct	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Nov	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Dec	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Ann	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January
77 2 1.23 4.01

February
81 9 1.23 4.81

March
86 18 1.84 5.19

April
90 29 2.32 6.31

May
94 39 3.38 8.78

June
101 50 1.50 5.63

July
107 56 1.29 5.29

August
108 54 1.74 4.48

September
103 40 1.57 5.91

October
95 28 1.22 5.22

November
84 19 1.49 5.99

December
78 8 1.45 4.61

Annual
110 -1 35.67 51.90

Exceedence Values (2 in 10 years)
Month	Maximum Temperature Higher Than:	Minimum Temperature Lower Than:	Precipitation Less Than:	Precipitation Greater Than:
January	77	2	1.23	4.01
February	81	9	1.23	4.81
March	86	18	1.84	5.19
April	90	29	2.32	6.31
May	94	39	3.38	8.78
June	101	50	1.50	5.63
July	107	56	1.29	5.29
August	108	54	1.74	4.48
September	103	40	1.57	5.91
October	95	28	1.22	5.22
November	84	19	1.49	5.99
December	78	8	1.45	4.61
Annual	110	-1	35.67	51.90

Monthly Extremes

Temperature (F) (1917-2002)

Precipitation (inches) (1917-2002)

Snowfall (1917-2002)

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
84 (24th, 1943) -16 (18th, 1930) 11.19" (1949) 3.48" (25th, 1949) 13.0" (1944) 10.0" ( 8th, 1944) 13.0" ( 8th, 1944)

Feb
92 (23rd, 1996) -7 ( 2nd, 1951) 9.90" (1945) 4.00" ( 7th, 1921) 18.0" (1979) 18.0" (19th, 1921) 18.0" (19th, 1921)

Mar
93 (25th, 1929) 7 ( 3rd, 1943) 12.03" (1945) 3.50" (19th, 1945) 4.0" (1968) 4.0" (12th, 1968) 4.0" (12th, 1968)

Apr
96 (19th, 1987) 21 ( 2nd, 1936) 15.94" (1927) 6.12" (18th, 1927) .0" (1953) .0" (15th, 1933) .1" (13th, 1957)

May
100 (31st, 1934) 30 ( 1st, 1925) 15.68" (1990) 7.82" (14th, 1968) .0" - .0" - .0" -

Jun
111 (20th, 1936) 46 ( 1st, 1972) 11.97" (1935) 4.10" (13th, 1928) .0" - .0" - .0" -

Jul
113 (18th, 1936) 49 ( 6th, 1972) 10.80" (1950) 4.72" (15th, 1961) .0" - .0" - .0" -

Aug
120 (10th, 1936) 49 (29th, 1988) 8.67" (1977) 3.98" (29th, 1977) .0" - .0" - .0" -

Sep
110 ( 4th, 1939) 33 (27th, 1942) 11.48" (1970) 4.22" (29th, 1926) .0" - .0" - .0" -

Oct
101 ( 7th, 1931) 23 (30th, 1925) 16.45" (1984) 4.22" ( 6th, 1984) .0" - .0" - .0" -

Nov
88 (18th, 1930) 10 (29th, 1976) 14.33" (1946) 4.98" (17th, 1921) 3.6" (1976) 3.0" (14th, 1976) 3.0" (14th, 1976)

Dec
83 (31st, 1951) -6 (23rd, 1963) 10.73" (1971) 6.80" (13th, 1927) 6.5" (1958) 6.0" (13th, 1958) 6.0" (13th, 1958)

Annual
120 (Aug 10, 1936) -16 (Jan 18, 1930) 16.45" (Oct 1984) 7.82" (May 14, 1968) 18.0" (Feb 1979) 18.0" (Feb 19, 1921) 18.0" (Feb 19, 1921)

Monthly Extremes
	Temperature (F) (1917-2002)	Precipitation (inches) (1917-2002)	Snowfall (1917-2002)
	Record High	Record Low	Monthly Max	Daily Max	Monthly Max	Daily Max	Greatest Depth
Jan	84	(24th, 1943)	-16	(18th, 1930)	11.19" (1949)	3.48" (25th, 1949)	13.0" (1944)	10.0" ( 8th, 1944)	13.0" ( 8th, 1944)
Feb	92	(23rd, 1996)	-7	( 2nd, 1951)	9.90" (1945)	4.00" ( 7th, 1921)	18.0" (1979)	18.0" (19th, 1921)	18.0" (19th, 1921)
Mar	93	(25th, 1929)	7	( 3rd, 1943)	12.03" (1945)	3.50" (19th, 1945)	4.0" (1968)	4.0" (12th, 1968)	4.0" (12th, 1968)
Apr	96	(19th, 1987)	21	( 2nd, 1936)	15.94" (1927)	6.12" (18th, 1927)	.0" (1953)	.0" (15th, 1933)	.1" (13th, 1957)
May	100	(31st, 1934)	30	( 1st, 1925)	15.68" (1990)	7.82" (14th, 1968)	.0" -	.0" -	.0" -
Jun	111	(20th, 1936)	46	( 1st, 1972)	11.97" (1935)	4.10" (13th, 1928)	.0" -	.0" -	.0" -
Jul	113	(18th, 1936)	49	( 6th, 1972)	10.80" (1950)	4.72" (15th, 1961)	.0" -	.0" -	.0" -
Aug	120	(10th, 1936)	49	(29th, 1988)	8.67" (1977)	3.98" (29th, 1977)	.0" -	.0" -	.0" -
Sep	110	( 4th, 1939)	33	(27th, 1942)	11.48" (1970)	4.22" (29th, 1926)	.0" -	.0" -	.0" -
Oct	101	( 7th, 1931)	23	(30th, 1925)	16.45" (1984)	4.22" ( 6th, 1984)	.0" -	.0" -	.0" -
Nov	88	(18th, 1930)	10	(29th, 1976)	14.33" (1946)	4.98" (17th, 1921)	3.6" (1976)	3.0" (14th, 1976)	3.0" (14th, 1976)
Dec	83	(31st, 1951)	-6	(23rd, 1963)	10.73" (1971)	6.80" (13th, 1927)	6.5" (1958)	6.0" (13th, 1958)	6.0" (13th, 1958)
Annual	120	(Aug 10, 1936)	-16	(Jan 18, 1930)	16.45" (Oct 1984)	7.82" (May 14, 1968)	18.0" (Feb 1979)	18.0" (Feb 19, 1921)	18.0" (Feb 19, 1921)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10
November 4 October 24 October 16

2 Years in 10
November 10 October 31 October 21

5 Years in 10
November 23 November 9 November 2

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10
March 28 April 5 April 18

2 Years in 10
March 18 March 31 April 13

5 Years in 10
March 7 March 21 April 1

First Freezing Temperature in Fall
Probability	24 F or Lower	28 F or Lower	32 F or Lower
1 Year in 10	November 4	October 24	October 16
2 Years in 10	November 10	October 31	October 21
5 Years in 10	November 23	November 9	November 2
Last Freezing Temperature in Spring
Probability	24 F or Lower	28 F or Lower	32 F or Lower
1 Year in 10	March 28	April 5	April 18
2 Years in 10	March 18	March 31	April 13
5 Years in 10	March 7	March 21	April 1

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
237 211 192

8 Years in 10
243 223 198

5 Years in 10
260 235 212

2 Years in 10
278 254 228

1 Year in 10
292 264 233

POTEAU WATER WORKS (347254)
*	LEFLORE County	Climate Division: 9
*	Latitude: 3503N; Longitude: 09437W	Elevation: 439 ft
*	Precipitation Period of Record:	19170901-20020831 ( 87%)
*	Temperature Period of Record:	19170908-20020831 ( 87%)

Probability	Higher Than 24 F	Higher Than 28 F	Higher Than 32 F
Number of Days in Growing Season
9 Years in 10	237	211	192
8 Years in 10	243	223	198
5 Years in 10	260	235	212
2 Years in 10	278	254	228
1 Year in 10	292	264	233