Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Apr 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	66.9	42.1	50.9	49.1	42.1	47.1	29.92	0.0	87				SE	Bright and warm
2	60.8	40.8	46.0	44.6	31.6	47.1	29.89	5.1	89				E	Thundershowers
3	63.9	47.0	54.9	50.0	30.0	47.7	30.04	0.0	69				SE
4	63.3	48.0	54.5	51.3	35.2	48.2	30.18	0.1	79				SW
5	61.3	53.5	56.3	52.5	50.0	50.0	30.12	0.8	76				SW
6	60.4	52.0	54.5	49.5	49.1	50.7	29.90	1.0	68				W
7	55.0	45.3	48.4	45.1	42.5	50.0	30.04	1.7	76				WNW
8	62.1	42.6	49.1	47.7	36.0	48.7	30.21	0.1	89				SW
9	66.0	48.7	54.3	51.8	46.8	50.7	30.15	0.3	85				W
10	58.1	49.3	52.3	50.0	47.2	51.4	29.90	0.0	84				W
11	56.1	42.8	47.3	42.8	39.0	39.0	30.07	9.1	66				W
12	54.1	41.6	44.1	41.9	39.9	48.7	29.35	1.1	82				W
13	44.6	37.2	40.1	37.4	32.8	47.8	29.58	3.9	76				NW
14	48.7	28.6	38.3	34.3	21.9	45.3	29.50	0.0	63				N
15	49.6	29.8	37.4	35.6	22.0	44.8	29.48	8.9	83				W
16	39.2	33.1	34.7	33.8	31.4	45.5	29.67	10.7	91				ENE	1.5 cm lying snow
17	44.6	32.8	36.7	36.1	31.1	43.2	29.86	2.1	95				N
18	53.2	29.9	41.0	39.7	23.5	43.3	29.95	6.0	89				N
19	49.8	36.0	39.7	39.2	30.0	44.6	30.07	5.6	95				ENE
20	52.3	38.0	42.4	41.9	35.0	45.1	29.59	13.5	95				SE
21	56.7	41.5	50.9	47.3	40.5	45.5	29.20	2.7	75				S
22	58.1	46.5	51.4	49.5	44.5	47.1	29.50	0.0	86				S
23	53.6	41.9	47.7	46.8	37.5	47.7	29.75	13.0	93				S	Bright periods heavy showers
24	61.5	45.2	51.6	48.6	42.2	48.7	29.92	0.0	79				NE
25	59.5	42.7	55.0	48	33.0	50.0	29.94	0.0	56				S
26	56.7	44.2	47.3	46.4	42.1	50.4	30.04	0.9	93				NE
27	66.2	45.5	51.4	49.6	45.0	50.5	30.32	0.0	87				NE
28	67.8	41.2	58.1	51.4	30.1	51.3	30.35	0.0	61				NE
29	63.5	43.1	46.0	45.3	35.0	52.5	30.16	0.0	94				E	Mist Early then sunny
30	65.1	45.2	54.3	50.4	35.3	52.5	30.02	0.0	74
Total	1718.7	1256.1			1102.3	1435.1		86.6	2435.0	0.0	0.0	0.0
Ave	57.3	41.9			36.7	47.8		2.9	81.2	#DIV/0!	#DIV/0!	#DIV/0!
								132.2%
	N	3.0			Number of Air Frosts			3
	NNE	0.0			Number of Ground Frosts			9		Red indicates as Snow
	NE	4.0			Days of measurable Rain			19		Light green Sleet
	ENE	2.0			Days of rain greater than 10 mm			3		Blue Trace Conditions
	E	2.0			Days when gusts exceeded 50 mph			0
	ESE	0.0			Days when average Max exceeded			20
	SE	3.0			Days below average max			10
	SSE	0.0			Days above average min			22
	S	4.0			Days below average min			8
	SSW	0.0
	SW	3.0		1st seven day average			54.3	12.4
	WSW	0.0		2nd Seven day average			48.6	9.2
	W	6.0		3rd seven day average			41.9	5.5
	WNW	1.0		4th seven day avaerage			52.2	11.2
	NW	1.0		Final few days average			54.2	12.3
	NNW	0.0		Overall Average			50.2	10.1