home	Summary of the weather at Hampstead during 1990
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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-90	9.3	4.3	12.2	15	4.6	3	9.5	22	0.8	18	-4.7	2	0	15	0	13	0	1
Feb-90	10.7	5.2	17.6	23	6.3	14	10.0	24	-0.3	16	-8.4	16	1	6	0	19	0	0
Mar-90	12.8	5.3	21.4	17	7.6	1	12.1	18	-1.6	2	-6.0	2	1	13	0	26	1	0
Apr-90	13.5	3.8	20.9	29	7.8	3	10.1	2	-1.9	5	-8.6	5	3	16	0	26	1	1
May-90	18.7	8.7	26.1	3	12.5	11	13.3	6	4.8	26	-2.7	27	0	4	0	31	7	0
Jun-90	18.3	10.4	24.1	1	12.7	11	15.4	27	6.3	8	-1.1	7	0	1	0	30	7	0
Jul-90	23.0	12.5	30.2	20	15.9	4	17.1	21	8.1	3	1.5	25	0	0	0	31	23	0
Aug-90	24.7	14.3	34.6	3	18.0	18	19.1	4	9.6	31	2.2	8	0	0	0	31	22	0
Sep-90	18.3	9.9	24.1	2	13.7	17	13.9	1	5.3	24	-1.1	27	0	2	0	30	6	0
Oct-90	15.7	9.0	23.5	12	10.6	29	13.9	14	2.0	8	-3.5	8	0	3	0	31	2	1
Nov-90	9.5	4.9	14.6	16	4.2	22	12.1	17	0.6	21	-2.4	21	0	12	0	11	0	0
Dec-90	6.8	2.4	11.8	26	1.5	8	8.2	22	-1.3	6	-9.2	9	8	19	0	4	0	1
YEAR	15.1	7.6	34.6		1.5		19.1		-1.9		-9.2		13	91	0	283	69	4
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-90	74.6	13.5	6	20	15	0						0	0	1	0	1	0
Feb-90	93.6	18.9	3	18	15	0						1	0	0	0	0	0
Mar-90	7.1	4.4	19	4	2	0						1	0	0	0	0	0
Apr-90	54.2	15.8	19	15	10	0						2	0	1	1	1	0
May-90	13.7	9.9	10	3	2	0						0	0	0	0	0	0
Jun-90	44.4	15.5	21	13	10	0						0	0	1	0	0	0
Jul-90	15.2	5.6	6	6	4	0						0	0	0	0	0	0
Aug-90	60.9	17.1	19	7	7	0						0	0	2	0	1	0
Sep-90	32.8	13.7	30	10	7	0						0	0	1	0	0	0
Oct-90	48.9	9.8	26	13	9	0						0	0	0	0	0	0
Nov-90	41.4	9.6	23	16	10	0						0	0	0	0	0	0
Dec-90	63.3	12.1	25	16	13	0						4	1	0	0	0	1	9
YEAR	550.1	18.9		141	104	0						8	1	6	1	3	1