Theoretical mean water (MW) validated by the Finnish Meteorological Institute (mm)
STATION		1946					1947					1948					1949					1950
		NN	N43	N60	N2000		NN	N43	N60	N2000		NN	N43	N60	N2000		NN	N43	N60	N2000		NN	N43	N60	N2000
Kemi		-204	26	168	579		-211	19	161	572		-218	12	154	565		-226	4	146	557		-233	-3	139	550
Oulu		-189	30	158	557		-196	23	151	550		-203	16	144	543		-210	9	137	536		-217	2	130	529
Raahe		-223	36	146	571		-231	28	138	563		-238	21	131	556		-246	13	123	548		-254	5	115	540
Pietarsaari		-256	-6	139	579		-264	-14	131	571		-273	-23	122	562		-281	-31	114	554		-289	-39	106	546
Vaasa		-224	13	140	574		-232	5	132	566		-240	-3	124	558		-248	-11	116	550		-256	-19	108	542
Kaskinen		-196	2	131	556		-204	-6	123	548		-211	-13	116	541		-219	-21	108	533		-226	-28	101	526
Mäntyluoto		-174	-14	122	506		-181	-21	115	499		-187	-27	109	493		-194	-34	102	486		-200	-40	96	480
Rauma		-157	-22	116	457		-163	-28	110	451		-169	-34	104	445		-175	-40	98	439		-181	-46	92	433
Turku		-79	4	87	379		-84	-1	82	374		-88	-5	78	370		-93	-10	73	365		-97	-14	69	361
Föglö		-89	2	86	359		-93	-2	82	355		-98	-7	77	350		-102	-11	73	346		-107	-16	68	341
Hanko		-18	9	58	310		-21	6	55	307		-24	3	52	304		-27	0	49	301		-30	-3	46	298
Helsinki		-9	-9	41	293		-12	-12	39	291		-14	-14	36	288		-17	-17	34	286		-19	-19	31	283
Porvoo		10	0	45	287		8	-2	43	285		5	-5	40	282		3	-7	38	280		0	-10	35	277
Hamina		6	-3	60	272		4	-5	58	270		1	-8	55	267		-1	-10	53	265		-3	-12	51	263