30 Year (1981/2010) Winter Temperature, Rainfall & Pressure Means

Royston (Iceni) Weather Station

30 Year (1980/81 - 2009/10) Winter* Temperature, Rainfall & Pressure Means

* December/February

Year							T e m p e r a t u r e (°C)											R a i n f a l l (MM)				P r e s s u r e (m b)					No. of Days With Year
	Mean Maximum	Highest Maximum	Date	Lowest Maximum	Date	Mean Minimum	Highest Minimum	Date	Lowest Minimum	Date	Mean Grass Minimum	Lowest Grass Minimum	Date	Mean Earth 30cms 09hrs	Mean Earth 30cms 21hrs	No. of Air Frosts	No. of Ground Frosts	Total	No. of Days with 0.2mm or more	Most in a Day	Date	Mean MSL Air Pressure	Highest	Date	Lowest	Date	Fog (vis. <1000m @ 09 hrs)	Fog (vis. < 200m @ 09 hrs)	Snow or Rain and Snow	Snow Lying (> 50% cover @ 09 hrs)	Hail	Thunder
1980/81	6.9	13.1	23/12	1.2	26/02	2.2	10.5	11/12	-5.0	14/02	0.5	-8.9	14/02	4.4	4.5	29	41	80.5	42	6.2	09/01	1020	1044	01/12	976	20/12	3	1	17	8	4	0	1980/81
1981/82	5.1	12.6	09/02	-3.2	13/01	0.4	9.5	04/01	-12.7	14/01	-1.6	-18.1	10/01	3.7	3.7	37	49	115.6	39	11.2	13/12	1013	1036	02/12	970	14/12	15	5	14	34	1	0	1981/82
1982/83	6.8	13.9	05/01	0.5	10/02	2.1	11.5	06/01	-6.0	14/02	-0.2	-10.0	04/02	4.3	4.4	28	43	125.8	35	14.1	09/12	1018	1040	20/01	976	20/12	3	0	12	18	0	0	1982/83
1983/84	6.7	12.9	13/01	-1.5	15/02	2.1	10.1	25/12	-4.5	20/02	0.0	-9.4	20/02	4.2	4.2	18	44	141.8	53	14.4	06/02	1014	1042	14/02	974	23/01	5	1	8	7	4	2	1983/84
1984/85	5.2	12.5	01/12	-4.2	16/01	0.3	9.0	01/02	-10.5	12/02	-2.0	-14.5	08/01	3.8	3.8	36	52	101.2	44	18.1	08/02	1019	1038	29/12	982	21/01	4	2	18	31	1	0	1984/85
1985/86	5.3	15.1	02/12	-2.6	21/02	1.1	12.5	03/12	-9.5	10/02	-0.9	-14.5	10/02	4.0	4.0	35	43	147.8	46	14.7	25/12	1013	1036	11/02	980	02/01	3	3	22	24	0	0	1985/86
1986/87	5.9	14.0	04/12	-7.3	12/01	1.3	12.0	05/12	-12.5	12/01	-1.0	-17.5	12/01	3.8	3.9	33	49	86.8	40	9.1	29/12	1018	1040	24/01	992	18/12	5	1	17	12	0	0	1986/87
1987/88	7.7	14.0	17/12	0.5	09/12	3.4	12.9	18/12	-3.3	08/12	1.6	-8.1	08/12	5.2	5.3	14	32	145.7	48	16.0	21/01	1013	1037	01/12	973	29/01	6	4	8	5	0	1	1987/88
1988/89	8.9	14.0	06/02	2.8	02/12	4.4	10.0	19/12	-0.5	02/02	2.6	-5.0	17/02	5.7	5.8	3	24	108.6	32	13.5	25/02	1023	1045	30/01	957	25/02	3	1	2	2	3	0	1988/89
1989/90	9.1	17.6	23/02	1.5	01/12	4.6	11.4	20/02	-3.5	01/12	2.6	-9.0	01/12	5.9	6.0	3	18	255.1	53	24.4	13/12	1011	1041	02/12	966	25/01	5	4	1	0	4	3	1989/90
1990/91	5.6	13.1	25/02	-3.5	07/02	1.2	9.7	22/12	-9.4	09/02	-0.9	-12.0	09/02	4.0	4.0	30	51	151.0	43	13.4	08/12	1019	1042	22/01	981	26/12	4	2	14	17	1	0	1990/91
1991/92	7.2	14.1	27/02	-2.0	11/12	2.5	12.4	22/12	-6.5	12/12	-0.2	-12.4	12/02	4.9	4.9	24	42	69.6	27	25.1	09/01	1029	1048	26/01	998	19/12	8	4	3	0	0	0	1991/92
1992/93	7.0	13.3	21/01	-1.0	02/01	2.8	9.8	17/01	-9.0	03/01	0.2	-12.6	03/01	5.3	5.3	17	39	102.0	44	11.6	13/01	1022	1041	27/12	976	02/12	10	4	6	1	0	0	1992/93
1993/94	7.5	14.4	19/12	-0.2	14/02	3.0	11.5	19/12	-5.9	21/02	0.9	-10.5	21/02	4.6	4.7	14	37	181.3	51	14.4	06/01	1009	1033	28/01	977	06/01	2	1	11	7	2	1	1993/94
1994/95	8.7	14.5	28/12	-1.4	23/12	3.8	12.3	28/12	-7.6	24/12	1.7	-12.0	24/12	5.9	5.9	13	28	233.7	55	18.7	21/01	1012	1038	12/01	983	22/01	1	0	4	3	4	2	1994/95
1995/96	4.7	12.1	22/12	-4.1	28/12	0.8	9.4	13/01	-9.8	29/12	-1.1	-13.1	29/12	4.2	4.3	38	48	173.7	43	25.0	19/12	1014	1038	10/12	983	23/12	9	4	16	19	4	0	1995/96
1996/97	6.4	13.5	23/02	-2.4	31/12	1.8	9.0	21/02	-7.9	03/01	-0.2	-13.1	03/01	3.8	3.9	26	41	86.8	42	11.0	24/02	1017	1043	28/01	977	19/02	8	2	12	14	1	1	1996/97
1997/98	9.0	18.5	13/02	1.4	02/12	4.0	11.2	10/12	-5.6	01/02	1.8	-9.4	01/02	5.8	5.9	10	29	106.6	36	9.4	18/12	1015	1038	24/02	975	02/01	6	2	4	1	2	1	1997/98
1998/99	8.3	14.2	06/01	1.9	09/02	3.3	11.9	15/12	-4.0	23/01	1.0	-8.0	09/02	5.2	5.3	18	35	137.3	52	10.5	27/01	1014	1041	31/01	987	16/01	3	0	5	3	3	0	1998/99
1999/00	8.2	13.6	08/02	0.6	19/12	3.1	9.5	01/12	-4.5	20/12	0.7	-8.0	20/12	4.9	5.0	15	37	165.1	56	12.9	22/12	1015	1041	16/01	976	24/12	1	0	6	3	1	0	1999/00
2000/01	7.2	13.5	11/12	-1.1	29/12	2.3	12.3	12/12	-5.6	16/01	0.3	-9.0	16/01	4.7	4.8	27	43	217.0	49	X	X	1010	1043	17/02	977	24/01	10	4	8	11	2	0	2000/01
2001/02	8.4	13.5	27/01	1.5	22/12	3.5	12.2	02/02	-4.1	15/12	1.3	-7.9	02/01	5.5	5.6	21	37	104.8	45	9.6	03/02	1018	1042	14/12	977	24/01	7	4	5	2	1	0	2001/02
2002/03	7.3	13.5	27/02	0.1	07/01	2.6	9.7	24/12	-6.1	18/02	0.4	-10.0	18/02	5.0	5.1	27	38	198.1	51	23.0	01/01	1016	1041	17/02	976	02/01	5	4	8	5	3	0	2002/03
2003/04	7.8	16.4	4/02	2.4	28/02	3.3	12.1	13/12	-4.5	29/01	1.5	-8.3	29/01	5.5	5.6	21	34	178.3	54	14.3	05/02	1015	1037	09/02	981	13/01	2	2	11	6	1	1	2003/04
2004/05	7.8	13.9	07/01	2.5	23/01	3.0	11.8	10/01	-4.5	28/02	0.9	-9.3	28/02	5.7	5.9	17	41	85.9	39	9.7	21/12	1020	1036	03/02	990	17/12	2	1	10	5	5	0	2004/05
2005/06	6.6	11.4	15/02	-1.5	02/02	2.1	8.2	19/01	-4.3	24/01	0.2	-9.5	28/12	4.7	4.8	27	41	71.3	36	9.5	30/12	1018	1041	12/12	977	02/12	0	0	10	5	0	0	2005/06
2006/07	9.3	14.3	4/12	1.2	22/12	4.5	13.0	5/12	-4.9	7/02	2.5	-10.4	7/02	6.6	6.8	16	24	195.4	56	17.9	30/12	1011	1044	22/12	981	8/12	4	2	4	3	0	1	2006/07
2007/08	9.1	14.1	06/12	2.0	19/12	3.5	12.1	19/01	-6.1	20/12	0.9	-11.3	17/02	5.8	5.9	14	32	113.4	38	13.3	11/01	1015	1043	16/02	971	15/01	5	3	1	0	0	0	2007/08
2008/09	6.1	14.4	27/02	-1.3	09/01	1.5	10.1	20/12	-7.0	06/01	-0.6	-14.0	06/01	4.3	4.4	33	50	136.4	40	19.6	09/02	1012	1038	26/12	963	23/01	3	0	11	17	0	0	2008/09
2009/10	5.0	12.2	05/12	0.0	4/01	0.6	10.4	06/12	-7.2	09/01	-1.4	-13.3	09/01	4.2	4.3	40	55	184.2	61	14.5	29/12	1008	1042	26/12	977	25/02	3	0	32	23	1	0	2009/10
Mean	7.2	X	X	X	X	2.5	X	X	X	X	0.4	X	X	4.9	4.9	22.8	39.2	140.0	45.0	X	X	1016	X	X	X	X	4.8	2.0	10.0	9.5	1.6	0.4	Mean

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(This page last updated 16th July 2011 2051 GMT)