620 Bülk, sea area

Eiswinter	Anfang	Ende	Saisonlänge	Tage mit Eis	FL.Summe	Vol.Summe	max.Dicke		Restrictions
2012	04.Feb 2012	04.Feb 2012	1	1	0.2	0.6	2.5	nan	0	0	0	0	0	0	0	0	0
2006	24.Jan 2006	25.Jan 2006	2	2	0.2	0.5	2.5	nan	0	0	0	0	0	0	0	0	0
1996	27.Jan 1996	02.Apr 1996	67	64	51.2	1578.1	39.0	30.0	49	44	39	0	0	0	0	0	0
1987	14.Jan 1987	18.Mar 1987	64	38	27.6	809.0	40.0	nan	38	29	19	7	0	0	0	0	0
1986	17.Feb 1986	19.Mar 1986	31	30	18.9	549.8	40.0	nan	30	16	14	9	0	0	0	0	0
1985	09.Jan 1985	27.Mar 1985	78	65	42.4	1047.6	40.0	50.0	64	38	17	17	10	0	0	0	0
1982	14.Jan 1982	26.Jan 1982	13	13	9.6	98.9	12.5	12.0	12	9	6	0	0	0	0	0	0
1979	21.Jan 1979	18.Mar 1979	57	52	0.0	0.0	0.0	40.0	52	29	24	21	19	16	3	0	0
1978	22.Feb 1978	22.Feb 1978	1	1	0.0	0.0	0.0	nan	1	0	0	0	0	0	0	0	0
1972	01.Feb 1972	04.Feb 1972	4	4	0.0	0.0	0.0	nan	1	0	0	0	0	0	0	0	0
1970	22.Jan 1970	22.Feb 1970	32	16	0.0	0.0	0.0	nan	5	2	0	0	0	0	0	0	0
1966	17.Feb 1966	20.Feb 1966	4	4	0.0	0.0	0.0	nan	3	0	0	0	0	0	0	0	0
1963	09.Jan 1963	28.Mar 1963	79	78	0.0	0.0	0.0	nan	75	68	65	0	0	0	0	0	0
1956	11.Feb 1956	02.Mar 1956	21	21	0.0	0.0	0.0	nan	20	19	18	15	15	15	10	0	0
1955	26.Feb 1955	27.Feb 1955	2	2	0.0	0.0	0.0	nan	0	0	0	0	0	0	0	0	0
1954	05.Feb 1954	02.Mar 1954	26	14	0.0	0.0	0.0	nan	5	3	0	0	0	0	0	0	0
1947	06.Jan 1947	03.Apr 1947	88	80	0.0	0.0	0.0	80.0	77	77	68	57	57	52	52	52	3
1942	20.Jan 1942	06.Apr 1942	77	74	0.0	0.0	0.0	nan	73	69	68	52	52	49	39	39	8
1941	16.Jan 1941	20.Mar 1941	64	48	0.0	0.0	0.0	nan	42	34	19	10	10	6	5	5	5
1940	05.Jan 1940	01.Apr 1940	88	78	0.0	0.0	0.0	nan	66	60	59	51	51	44	44	44	2