Pitsford Hall weather station
Register for April 2000

		1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th	16th	17th	18th	19th	20th	21st	22nd	23rd	24th	25th	26th	27th	28th	29th	30th
Temperatures																														
Air Max (C)	9.9	12.4	5.9	5.5	10.5	11.9	13.4	16.1	13.1	12.1	8.1	7.6	5.8	8.5	6.5	12.5	10.7	11	16.5	13.4	14	13.9	14.9	14.8	14.9	13.6	14.9	12.4	17.5	17.4
Air Min (C)	0.4	3.7	6	0.5	1.1	-0.6	0.4	2.6	4.1	1.8	4.4	2.1	1.9	2.5	2.5	-0.5	1.6	4.4	4.7	5.5	5.6	8.5	4.2	6	8.3	8.8	7	7.3	8.4	4.8
Dry Bulb (C)	3.9	7.8	6.8	2.5	3.6	1.9	2.4	7	6.7	5.7	4.4	4.5	3.8	4.7	4	1.7	6.5	6.6	6	12.2	8.5	9.2	7.9	8.7	11.6	10	10	10.5	9.6	9.3
Wet Bulb (C)	3.4	7.5	6.4	1.9	2.1	1.4	2	5.1	6.1	5	3.8	4.3	3.4	4.4	3	1.5	5.4	6	5.5	11.7	8.3	9	7.4	8	10.5	9.9	8.6	9.9	9.4	8.2
RH (%)	92	96	94	89	75	91	93	73	91	89	90	97	93	92	83	90	85	90	92	94	93	97	93	90	87	99	82	92	97	85
Rainfall																														
Total (mm)	5.1	15.5	18.6	0.5	tr	_	_	6	tr	0.3	6.8	1.4	2.4	tr	4.8	6.8	3.1	6.9	2.2	2	5	2.3	0.7	5.4	2.4	5.8	0.1	4.5	_	tr
Duration (hrs)	9.5	10.8	21	0.5	_	_	_	4.3	_	1.8	12.9	2.5	1.5	_	7.3	n/a	n/a	7.5	2.3	2.5	2.3	0.6	0.9	6.8	4.8	5.4	_	5	_	_
Acidity (pH)	6.35	6.51	6.75	6.16	_	_	_	6.45	_	_	6.28	6.22	6.2	_	6.28	6	6.1	5.8	5.95	6.4	6.2	6.42	_	6.14	6.44	6.45	_	6.43	_	_
Winds (mph)																														
Direction	sw	s	e	ne	w	e	s	sw	e	ne	sw	n	ne	ne	ne	sw	sw	sw	nw	nw	nw	s	sw	sw	sw	sw	sw	se	sw	calm
Speed (0830)	4	11	7	10	10	3	1	5	9	7	9	2	11	4	9	3	12	12	3	11	13	3	5	9	19	3	9	3	16	0
Speed (24 hrs)	5	6	14	11	6	3	4	5	9	5	3	5	4	5	6	8	11	7	10	12	10	4	6	8	7	8	4	5	3	4
Max Gust	16	31	56	60	33	18	12	26	38	23	20	27	23	25	32	33	44	27	31	28	35	25	25	23	27	21	16	21	20	16
Pressure (mb)																														
At 0830hrs	1003	1000	991	996	1014	1031	1034	1027	1017	1019	995	982	988	1000	995	997	998	998	1004	1002	1006	1006	1009	1010	1002	1003	1009	1007	1012	1020
From 0600hrs	0	0	-0.5	2	1.9	2	0	-1	0	0.5	-3.5	1	1	1	-1	0	2	0	1	0.5	1	-0.5	1	0	0	0	2	0.3	3	1.3
Insolation																														
Cloud types	obs	ns	ns	ns	sc	clear	clear	cc,cs	sc,cu	sc	ns	ns	sc,ns	sc	sc	clear	sc	sc	ac	sc	ac	ns	obs	sc	sc	ns	cu,sc	sc	sc	ac,as
Cloud cover	9	8	8	8	1	0	0	2	4	7	8	8	8	8	8	0	8	6	2	8	3	8	9	8	8	8	7	8	8	8
Sunshine (hrs)	0.4	2.3	0	0.2	8.5	10.5	10.1	9.5	9.1	8.9	1.3	0.4	1.2	1.6	0.8	7.8	6.6	1.8	7.3	1.3	8.1	4.2	8.7	6.7	3.7	1.7	4.4	0	9.8	2.6
Visibility	4	5	5	6	7	6	5	5	6	5	5	7	6	6	6	5	7	7	6	6	7	5	4	7	8	5	7	5	5	7
Other Ppt																														
Snow/sleet falling_	_	1	1	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
Depth of snow	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
Hail (<5mm)	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
Hail (>/=5mm)	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
Other Obs																														
Thunder heard	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
Lightning seen	_	_	_	_	_	_	_	_	_	_	_	_	1	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_
Ground Obs																														
Grass Min (C)	-3.3	5.7	6.1	-0.2	-1.5	-4.5	-3.8	-1.6	1.4	-1.6	-0.6	2.6	0.9	-1.5	-0.2	-4	-0.5	1.8	0.8	2.8	4.3	3.6	0.8	2.1	8.3	8.3	4.6	3.5	8.8	2.3
Concrete Min (C)-1.5	4.4	7.5	2.5	0.3	-2	-1.6	0.2	4.2	0.3	3.4	5	3.5	-1.4	2.5	0.2	0.8	1.6	4.6	5.8	6.2	6.4	4.6	5.5	9.1	10	7.1	7.1	10.1	5.6
Bare Earth (C)	5	8.3	7.1	3	3.5	3.6	4.4	7.5	8.5	7.7	5.1	6.4	5.2	5.5	4.5	3.5	6.5	5.7	6	11.5	7.5	9.6	12.1	9.5	12	10.9	11	11.2	11.1	10.9
Soil Temps																														
5cm		3.3	6.8	6.1	2.1	3	2.1	3	4.7	7.1	4.9	6.2	6	5.1	5.8	5	2.5	6.5	5.6	6	10.5	7.4	8.7	7.3	8	10.6	10.1	9.1	9.9	10.4	9.2
10cm		4.8	7.5	4.9	5	4.1	3.9	3.4	6	8.1	6.5	7.6	7.2	6.5	6.5	6.5	4.5	7.5	6.5	8	10.7	8.5	9.4	8.1	9.1	11	11	9.9	10.6	10.9	10.4
20cm		5.7	7.5	5.9	5.4	5	5	5.5	7.1	8.9	7.6	8.5	7.9	7.7	7.7	7.4	5.5	8	7.5	8.5	11.5	9.5	9.6	9	9.8	11	11.2	10.6	11.1	11.1	11.1
30cm		6.5	7.6	8.1	6	5.5	5.6	6.1	7.9	9.3	8.3	9	8.5	7.9	7.7	7.8	6.5	8.5	8	9	10.6	10	10.1	9.7	10.4	11.1	11.5	11.2	11.5	11.4	11.8
40cm		7	7.4	8.1	6.5	6	6.1	6.5	8	9	9	9	8.6	8.2	8.8	8	7	8.5	8.5	8.5	10	10	9.9	9.8	10.4	10.7	11	11	11.3	11.1	11.7
50cm		7.5	7.7	8.2	6.7	6.6	6.6	6.6	8.1	9	9.1	9.4	9.1	8.6	8.8	8.5	7.6	8.5	8.5	8.7	9.7	10	10.1	10	10.5	10.6	11	11.1	11.3	11.1	11.8
100cm		7.7	7.7	7.5	7.5	7.4	7.1	7	7.8	7.9	8.1	8.3	8.4	8.4	8.6	8.4	8	8.2	8.2	8.3	8.5	8.6	9	9.1	9.2	9.5	9.5	9.7	9.9	10	10.1
Slab		0	1	2	2	1	0	0	0	1	0	2	2	2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	1	2	1
Ground																														
Without snow	1	2	3	3	2	4	4	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	1	2	1
With snow	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_	_