Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire For Jan 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	48.7	41.8	43.7	42.4	38.2	41.5	29.59	2.8	89				S
2	45.3	41.4	42.3	40.1	38.1	41.9	29.24	14.3	81				SW	Some snow average depth 6 cm
3	52.7	32.3	33.6	32.7	31.8	40.3	29.35	8.5	90				NE
4	54.0	32.5	48.7	44.6	31.7	40.1	29.43	1.3	70				WSW
5	57.2	43.0	54.0	52.0	40.8	41.0	29.65	0.3	87				SW
6	48.7	45.7	46.4	45.1	44.0	44.1	29.70	7.3	90				W
7	43.7	38.3	39.2	38.3	31.4	42.4	29.74	5.4	92				S	mist and heavy rain
8	42.6	37.0	38.1	36.5	33.5	41.4	29.59	1.8	85				WNW
9	40.1	33.0	34.7	33.3	27.6	40.1	29.95	0.0	85				NW
10	38.1	28.9	30.0	29.3	21.0	38.3	30.05	0.0	91				Calm	Bright and cold
11	38.5	28.0	32.9	32.0	21.0	36.5	30.08	3.0	90				NE	As snow
12	39.6	28.8	35.6	32.9	22.0	35.8	29.51	2.3	92				SW	Snow 3.7 cm
13	47.3	32.6	37.8	36.9	31.0	35.6	29.75	0.7	91				S
14	48.7	37.2	39.7	36.9	34.8	37.0	29.67	9.4	74				WSW
15	50.9	38.0	48.2	44.4	35.3	37.4	29.37	16.0	72				SW	Strong winds
16	41.0	34.6	36.0	34.2	31.9	39.9	29.33	1.8	82				SW	Rain and sleet
17	42.3	34.0	36.5	34.7	30.9	38.3	29.52	0.4	82				SW
18	52.7	35.0	38.5	37.2	30.1	37.8	29.82	1.6	88				SW
19	54.9	38.0	52.7	50.9	34.1	39.9	29.52	5.7	88				SW
20	51.8	46.0	49.3	47.1	43.6	42.3	29.68	0.0	84				SW
21	44.1	36.9	37.6	36.5	32.1	41.0	30.11	0.0	89				SW
22	41.9	31.3	32.7	31.8	23.0	38.5	30.25	0.0	90				S
23	47.1	31.0	33.8	33.1	27.0	36.9	29.95	1.3	92				SW
24	52.7	33.2	38.8	37.6	30.6	37.9	29.95	3.6	88				S	Sleet
25	47.1	38.5	45.5	44.1	35.1	40.6	29.68	0.5	88				SW
26	43.9	37.5	39.7	37.8	33.0	39.6	29.73	1.9	82				SW
27	47.5	35.0	38.5	36.5	29.0	38.5	29.88	4.3	81				W	Rain and sleet
28	47.3	38.7	45.9	43.2	33.3	39.7	29.81	0.0	79				NW
29	44.2	37.0	39.2	37.9	30.1	38.8	30.30	0.5	88				S
30	49.1	39.0	44.1	43.7	35.5	40.1	30.48	0.1	97				Calm
31	49.1	43.0	45.1	44.4	40.8	41.5	30.60	0.0	94				Calm
Total	1452.8	1127.2			1002.3	1224.7		94.8	2671	0	0	0
Ave	46.9	36.4			32.3	39.5		3.1	86.2	#DIV/0!	#DIV/0!	#DIV/0!
								110.1%
	N	0.0			Number of Air Frosts			5		Red indicates as Snow
	NNE	0.0			Number of Ground Frosts			16		Light green Sleet
	NE	2.0			Days of measurable Rain			24		Blue Trace Conditions
	ENE	0.0			Days of rain greater than 10 mm			2
	E	0.0			Days when gusts exceeded 50 mph			0
	ESE	0.0			Days when average Max exceeded			19
	SE	0.0			Days below average max			12
	SSE	0.0			Days above average min			19
	S	5.0			Days below average min			12
	SSW	0.0
	SW	13.0			1st seven day average		44.7	7.0
	WSW	2.0			2nd Seven day average		37.2	2.9
	W	2.0			3rd seven day average		42.9	6.0
	WNW	1.0			4th seven day avaerage		40.9	4.9
	NW	2.0			Final few days average		43.6	6.4
	NNW	0.0			Over all Average		41.8	5.5