Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Sept 1999
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	Max Temp	Min Temp	Dry Bulb	Wet Bulb	Grass Min	Soil Temp	Barometer	Rain	Humidity	Max Gust	Average	Force	Win Dir	Comments
Day	Deg F	Deg F	Deg F	Deg F	Deg F	Deg F	Inches	MM	Percent	MPH	MPH	Beaufort
1	75.2	53.0	65.3	60.1	45.4	61.5	30.15	0.0	72				SW	Very sunny
2	78.8	61.0	69.1	63.9	55.2	62.6	30.19	0.0	74				SSW	Hot and sunny
3	79.9	57.1	67.6	62.2	50.9	63.0	30.12	0.0	73				SSW
4	80.6	55.0	66.4	62.6	50.1	63.1	30.19	0.0	80				SE	Very heavy due
5	81.0	52.0	64.4	59.9	45.0	63.6	30.07	0.0	74				W	Hot and sunny
6	80.6	56.8	74.3	66.7	50.4	63.5	29.88	2.1	66				Calm
7	70.9	59.6	62.4	60.8	54.0	63.5	29.77	0.0	91				SW	Rain early and late
8	72.0	46.9	61.7	55.4	38.0	60.6	29.97	1.6	65				S
9	68.2	49.0	58.5	52.2	43.6	60.3	30.18	0.0	63				W
10	73.6	44.0	61.7	55.9	34.6	58.6	30.30	0.0	68				S
11	79.7	57.8	64.4	62.1	48.2	60.3	30.00	2.5	87				S
12	67.3	49.4	59.0	53.8	39.1	60.4	30.00	0.0	67				NNW	Cooler
13	66.9	49.6	56.5	52.7	42.0	59.0	29.89	0.0	76				WSW	Cool and fresh
14	62.1	44.6	55.6	52.7	35.1	57.4	29.98	0.0	81				N	dull cool start
15	65.8	50.0	52.5	50.9	44.9	58.3	29.97	0.0	89				e
16	66.9	51.2	57.2	55.4	45.3	58.1	29.71	1.7	89				SW
17	66.9	47.0	50.9	50.0	39.3	56.5	29.60	3.1	94				WSW
18	65.3	49.4	58.8	55.6	40.9	56.3	29.65	2.4	81				WSW
19	62.2	55.9	58.8	57.2	53.9	57.4	29.47	30.5	90					Very heavy rain
20	66.2	58.1	60.3	59.9	51.2	58.5	29.21	7.8	97				ESE	Rain AM
21	68.7	52.2	56.3	54.1	47.1	58.5	29.43	0.0	86				S	Early rain and sunny
22	66.2	47.2	56.3	55.2	38.0	57.6	29.60	8.9	93				S	Mist and rain p.m.
23	68.5	55.0	56.5	55.4	47.9	58.1	29.44	2.4	93				S
24	65.5	55.0	58.1	57.0	51.0	58.6	29.60	0.0	93				SW
25	69.1	51.5	56.3	54.1	46.0	58.1	29.65	21.2	86				SW	Thunder and lightning heavy rain
26	60.3	50.8	54.5	53.8	48.7	58.1	29.63	17.2	95				S
27	61.7	50.0	55.4	54.5	44.6	57.4	29.40	5.0	94				SW
28	63.5	51.0	58.3	55.8	47.0	57.2	29.58	2.3	85				Calm
29	63.3	52.1	58.1	54.9	47.6	57.7	29.38	2.2	79				SW
30	61.7	50.4	57.7	54.5	46.5	57.7	29.42	1.3	80				SW
Total	2078.6	1562.6			1371.5	1781.5	893.4	112.2	2461.0	0.0	0.0	0.0
Ave	69.3	52.1			45.7	59.4	29.78	3.7	82.0	#DIV/0!	#DIV/0!	#DIV/0!
								177.5%
	N	1.0
	NNE	0.0		Days of measurable Rain				16		Red indicates as Snow
	NE	0.0		Number of Ground Frosts				0		Light green Sleet
	ENE	0.0		Days of rain greater than 10 mm				3		Blue Trace Conditions
	E	1.0		Days when gusts exceeded 50 mph				0
	ESE	1.0		Days when average Max exceeded				23
	SE	1.0		Days below average Max				7
	SSE	0.0		Days above average Min				22
	S	7.0		Days below average Min				8
	SSW	2.0
	SW	8.0		1st seven day average				67.3	19.6
	WSW	3.0		2nd Seven day average				59.4	15.2
	W	2.0		3rd seven day average				59.0	15.0
	WNW	0.0		4th seven day avaerage				58.2	14.6
	NW	0.0		Final few days average				56.9	13.8
	NNW	1.0		Overall Average				60.1	15.6