home	Summary of the weather at Hampstead during 1991
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earlier years
Month	Mean Max	Mean Min	Hi Max	Date	Lo Max	Date	Hi Min	Date	Low Min	Date	GrassMin	Date	AirFrost	Grnd Frost	Max <0	Max >10	Max >21	Fog
	degC	degC	degC		degC		degC		degC		degC		days	days	days	days	days	09gmt
Jan-91	6.3	1.7	11.8	1	-0.1	30	5.7	21	-1.5	13	-5.6	16	5	18	0	4	0	0
Feb-91	4.3	-1.1	12.9	25	-4.0	7	8.1	24	-8.5	7	-12.2	10	18	24	4	5	0	3
Mar-91	11.6	5.4	17.7	13	6.9	2	9.4	13	0.1	30	-7.3	30	0	12	0	24	0	0
Apr-91	12.2	4.4	20.6	11	6.8	20	11.6	11	-0.9	20	-7.2	20	2	10	0	23	0	0
May-91	14.6	7.0	23.3	21	8.7	6	12.6	22	2.1	2	-4.6	9	0	6	0	27	2	0
Jun-91	16.7	8.8	21.2	21	12.4	1	12.3	25	3.1	25	-2.8	2	0	3	0	30	1	0
Jul-91	22.1	13.5	26.7	11	18.5	24	18.2	30	10.6	17	4.5	17	0	0	0	31	18	0
Aug-91	22.9	13.8	26.4	21	17.0	23	17.3	22	9.2	18	3.2	19	0	0	0	31	26	0
Sep-91	20.0	11.1	27.8	1	12.0	27	13.9	2	6.1	30	0.3	19	0	0	0	30	12	0
Oct-91	13.5	7.6	19.2	11	8.6	20	13.5	11	1.1	21	-4.6	21	0	6	0	25	0	1
Nov-91	9.9	4.0	14.6	1	6.8	20	10.8	1	-0.7	21	-4.6	10	2	12	0	13	0	1
Dec-91	7.5	2.5	12.6	23	-0.4	11	10.6	23	-5.3	12	-11.4	12	6	18	1	7	0	1
YEAR	13.5	6.6	27.8		-4.0		18.2		-8.5		-12.2		33	109	5	250	59	6
Month	Rainfall	WettestDay	Date	>0.2mm	>1mm	>25mm	Sunshine	Max Sun	Date	NoSun	>10h	Snow	SnowLying	Thunder	Hail	IcePellets	MostSnow	Date
	mm	mm		days	days	days	hours	hours		days	days	days	0900gmt	days	days	days	cm
Jan-91	74.9	17.5	9	15	12	0						2	0	2	2	0	0
Feb-91	46.6	13.0	7	16	9	0						9	15	0	0	0	8	8
Mar-91	35.6	10.4	5	14	9	0						0	0	0	0	0	0
Apr-91	60.8	33.3	29	13	10	1						3	0	0	0	0	0
May-91	20.5	7.0	3	12	5	0						0	0	0	0	0	0
Jun-91	107.0	16.7	23	27	15	0						0	0	2	0	0	0
Jul-91	66.9	25.8	30	11	6	1						0	0	1	0	0	0
Aug-91	17.9	7.4	7	6	3	0						0	0	1	0	0	0
Sep-91	48.3	12.2	26	9	8	0						0	0	1	0	0	0
Oct-91	21.9	7.0	29	11	7	0						0	0	0	0	0	0
Nov-91	61.1	20.0	19	14	10	0						1	0	0	0	0	0
Dec-91	15.8	5.2	17	7	5	0						0	0	0	0	0	0
YEAR	577.3	33.3		155	99	2						15	15	7	2	0	8