1956 04 - daily  - mean of NCEP mean Daily Water Equiv. of Accum. Snow Depth at surface, kg/m^2.
BasinID	Name	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
0	Pan Arctic	3538.6	3538.6	3538.6	3538.5	3538.6	3537.5	3536.3	3538.0	3538.0	3538.0	3537.9	3538.0	3537.0	3535.9	3536.8	3536.8	3536.7	3536.7	3536.6	3536.0	3535.2	3535.9	3535.9	3535.8	3535.7	3535.5	3533.7	3531.9	3534.0	3534.0	-9999.0
34	Hudson Bay	22.9	22.8	22.7	22.4	23.0	23.2	23.3	23.5	23.3	23.0	23.2	23.4	21.2	17.1	20.3	20.1	20.2	20.3	19.9	18.3	16.8	18.3	18.4	18.3	18.0	18.1	17.9	17.0	18.1	18.1	-9999.0
36	Hudson Strait	36.4	36.4	36.4	36.5	35.8	36.8	37.5	36.5	36.5	36.5	36.5	36.4	35.9	34.9	36.4	36.4	36.2	36.0	35.9	34.5	31.0	36.0	36.3	36.2	36.0	36.0	35.1	32.8	35.2	35.1	-9999.0
98	Bering Strait	28.0	28.3	28.1	28.2	28.0	28.4	29.6	27.9	27.5	27.7	27.9	27.8	27.1	27.1	27.9	27.8	27.8	27.8	27.8	26.3	24.0	27.1	26.5	26.0	26.6	26.9	22.3	18.9	25.8	25.3	-9999.0
128	Arctic subocean	20214.0	20214.0	20213.9	20214.0	20213.9	20214.1	20213.9	20214.1	20214.1	20214.0	20214.1	20214.1	20214.1	20214.1	20214.2	20214.2	20214.2	20214.2	20214.2	20214.3	20214.2	20214.2	20214.2	20214.2	20214.3	20214.3	20214.3	20214.8	20214.4	20214.2	-9999.0
130	Chukchi Sea	50.2	50.3	50.2	50.4	50.3	50.1	49.7	50.3	50.3	50.4	50.4	50.5	50.0	49.8	50.6	50.6	50.5	50.4	50.3	49.3	48.7	49.9	49.5	48.8	49.2	49.7	46.6	43.4	48.7	48.4	-9999.0
132	Beaufort Sea	30.7	30.8	30.6	30.9	30.7	30.2	29.7	30.5	30.3	30.3	30.1	30.1	26.4	21.8	25.7	26.1	25.8	25.3	25.3	24.5	22.5	23.8	24.0	24.2	24.2	24.2	23.8	23.6	24.2	24.1	-9999.0
134	Arctic Archipelago	42.5	42.5	42.5	42.6	42.5	42.8	43.3	42.5	42.5	42.6	42.6	42.5	42.5	42.9	42.6	42.7	42.7	42.5	42.7	43.0	43.0	42.8	42.8	42.9	42.8	42.8	42.5	41.9	42.7	42.6	-9999.0
136	Foxe Basin	49.6	49.6	49.6	49.6	49.7	50.8	55.8	49.8	49.9	49.9	49.9	49.7	49.6	49.5	49.7	49.7	49.8	49.7	49.8	50.4	51.8	49.7	49.6	49.6	49.6	49.7	50.1	50.9	49.5	49.5	-9999.0
138	Baffin Bay	26189.4	26189.4	26189.5	26189.6	26189.8	26189.8	26189.6	26190.6	26190.3	26190.6	26190.5	26190.6	26190.6	26190.5	26190.8	26190.9	26191.0	26191.3	26191.2	26191.2	26191.1	26191.4	26191.5	26191.7	26191.7	26191.8	26191.9	26191.8	26192.0	26192.0	-9999.0
139	South Greenland	34446.8	34446.7	34447.0	34447.3	34447.8	34448.3	34447.9	34448.0	34448.2	34448.1	34448.3	34448.4	34448.3	34447.8	34448.8	34448.8	34448.3	34448.0	34447.7	34447.7	34447.5	34447.1	34446.7	34446.4	34446.1	34446.0	34446.7	34447.4	34445.4	34445.0	-9999.0
140	Greenland Sea	43549.9	43549.9	43549.8	43549.7	43549.8	43549.9	43549.7	43549.7	43549.9	43550.0	43549.9	43550.1	43551.1	43551.6	43550.0	43549.9	43549.8	43549.8	43549.9	43550.1	43550.0	43549.7	43549.7	43549.8	43549.6	43549.8	43550.0	43550.1	43549.8	43549.8	-9999.0
142	Norwegian Sea	4.8	4.7	5.1	5.1	5.1	5.0	4.7	5.5	5.5	5.7	5.7	5.7	5.7	5.7	5.7	5.8	5.6	5.6	5.5	5.2	3.1	4.3	4.2	4.5	4.5	4.5	4.0	2.7	4.5	4.4	-9999.0
144	Barents Sea	30.5	30.8	30.7	30.7	30.4	29.8	28.9	29.8	29.8	30.0	29.8	30.1	30.4	30.6	30.5	30.2	30.2	30.2	30.3	30.5	28.6	28.0	27.9	28.0	27.8	27.6	23.3	18.0	21.5	21.6	-9999.0
146	Kara Sea	26.5	26.3	26.3	26.2	26.1	22.2	17.2	23.9	24.0	23.9	23.5	23.8	22.3	21.7	22.0	22.1	22.1	22.0	21.9	21.5	21.4	21.5	21.6	21.6	21.1	20.3	17.0	14.2	17.0	16.8	-9999.0
148	Laptev Sea	28.4	28.5	28.4	28.4	28.4	28.1	28.5	28.2	28.3	28.3	28.3	28.1	28.4	28.6	28.2	28.1	28.0	28.1	28.0	27.3	27.5	28.1	28.2	28.0	28.0	28.0	26.8	24.6	27.3	27.3	-9999.0
150	East Siberian Sea	37.9	37.9	37.9	37.9	38.0	38.2	38.5	37.9	37.9	38.0	38.0	38.0	38.2	38.4	38.0	38.0	37.9	38.0	37.9	38.3	38.8	38.0	37.7	37.6	37.6	37.6	37.6	37.5	37.5	37.5	-9999.0
152	Gulf of Alaska	15.0	15.3	14.8	14.9	14.9	15.6	17.3	17.5	17.1	17.1	17.3	17.3	17.4	16.2	18.0	17.8	17.5	17.8	17.8	14.9	11.4	14.8	14.9	15.2	15.3	15.5	9.8	5.5	14.6	14.5	-9999.0
154	Southeast Bering Sea	29.9	29.7	30.3	29.8	29.9	29.0	28.9	30.0	29.5	29.7	29.6	29.1	27.5	26.7	29.8	29.1	29.1	29.3	29.1	23.9	16.7	27.2	25.3	25.6	27.5	27.2	17.5	8.2	22.7	23.7	-9999.0