1981 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	3533.6	3533.7	3533.7	3533.6	3533.1	3531.5	3531.4	3531.5	3531.5	3531.5	3530.7	3529.6	3530.4	3530.4	3530.4	3530.2	3530.0	3528.4	3527.3	3528.9	3529.2	3529.2	3528.8	3528.7	3527.1	3525.4	3529.3	3529.5	3529.6	3529.2	-9999.0
34	Hudson Bay	22.0	22.3	22.6	21.8	20.2	16.4	15.6	16.6	16.7	17.0	16.6	16.3	13.1	13.3	13.5	13.3	13.6	13.4	13.1	10.7	11.0	11.0	10.4	10.4	9.3	7.7	10.6	10.7	10.6	10.7	-9999.0
36	Hudson Strait	35.8	35.6	35.8	36.1	35.8	27.9	27.9	27.5	27.3	28.1	29.1	29.5	35.2	34.9	36.0	35.3	35.4	35.2	37.1	36.2	36.4	33.9	33.3	33.5	29.1	27.2	35.9	35.0	34.5	33.8	-9999.0
98	Bering Strait	27.2	27.6	27.4	27.5	27.8	26.9	27.0	27.4	27.5	25.8	26.0	25.3	25.4	25.3	25.4	25.5	25.3	24.6	24.0	25.1	24.8	25.0	24.6	24.8	23.0	20.4	24.4	24.2	24.5	23.1	-9999.0
128	Arctic subocean	20213.1	20213.1	20213.2	20213.3	20213.3	20213.2	20213.2	20213.4	20213.9	20213.4	20213.4	20213.4	20213.6	20213.4	20213.3	20213.3	20213.3	20213.2	20213.1	20213.3	20213.5	20213.4	20213.6	20213.6	20213.6	20213.4	20213.4	20213.4	20213.4	20213.4	-9999.0
130	Chukchi Sea	45.0	44.9	45.1	44.8	44.7	44.7	44.8	45.2	45.2	43.9	43.8	41.7	43.6	43.5	43.5	43.5	43.4	42.7	42.2	43.2	43.2	43.2	43.2	43.2	42.6	42.2	43.3	43.2	43.0	42.2	-9999.0
132	Beaufort Sea	23.8	23.9	23.8	22.4	21.6	14.9	14.7	14.6	14.9	14.7	15.3	15.8	12.6	12.6	12.6	12.8	12.7	12.4	11.6	11.6	12.0	12.1	11.7	11.6	11.2	11.0	11.2	10.9	10.9	10.6	-9999.0
134	Arctic Archipelago	36.4	36.3	36.3	36.5	36.7	36.4	36.5	36.6	36.5	36.7	37.3	37.9	36.6	36.9	36.8	36.8	36.6	37.2	37.6	36.5	36.5	36.7	36.5	36.5	36.2	36.0	36.2	36.2	36.1	36.1	-9999.0
136	Foxe Basin	46.4	46.2	46.4	47.4	48.0	46.5	46.6	46.2	46.4	46.3	46.6	48.1	46.9	46.3	46.4	46.5	46.8	48.2	49.8	46.9	46.4	45.8	45.3	46.2	44.6	43.4	46.1	45.9	46.2	46.2	-9999.0
138	Baffin Bay	26188.3	26188.5	26188.6	26188.4	26188.4	26188.8	26188.9	26189.0	26189.2	26189.3	26189.4	26189.2	26189.6	26189.7	26189.8	26189.8	26190.0	26190.8	26191.6	26190.1	26190.2	26190.3	26190.4	26190.6	26190.7	26190.5	26190.6	26190.6	26190.5	26190.7	-9999.0
139	South Greenland	34447.6	34447.9	34447.7	34448.9	34450.3	34447.7	34447.9	34448.3	34448.1	34448.4	34448.2	34447.8	34448.4	34448.8	34448.9	34448.0	34447.9	34449.1	34449.9	34447.4	34446.7	34446.6	34446.5	34446.2	34445.3	34444.1	34445.4	34445.8	34444.9	34444.8	-9999.0
140	Greenland Sea	43549.8	43549.7	43549.8	43549.7	43549.7	43549.8	43550.0	43550.3	43549.9	43549.9	43550.0	43550.6	43549.8	43549.7	43549.7	43549.7	43549.2	43548.9	43548.8	43549.1	43549.3	43549.3	43549.4	43549.3	43549.5	43549.6	43549.6	43549.6	43549.6	43549.6	-9999.0
142	Norwegian Sea	10.3	9.5	10.2	9.4	5.7	8.9	9.3	9.3	7.7	5.7	5.9	2.6	12.6	10.2	13.0	12.7	11.3	11.2	8.2	12.5	13.1	13.1	13.1	13.1	12.9	11.7	13.0	12.8	12.5	12.8	-9999.0
144	Barents Sea	19.4	19.3	18.8	18.6	17.0	17.2	17.1	17.1	17.1	17.2	16.1	15.0	20.3	21.0	21.1	20.9	19.5	18.5	17.1	14.2	14.3	14.2	14.2	14.4	14.4	14.4	13.2	13.0	12.5	12.8	-9999.0
146	Kara Sea	16.4	16.5	16.5	16.4	15.6	15.2	15.3	15.0	14.8	15.0	12.4	9.1	13.1	12.8	12.8	12.3	12.2	9.8	8.9	13.4	14.4	14.4	13.1	13.4	10.2	8.0	17.1	17.5	17.9	16.8	-9999.0
148	Laptev Sea	25.7	25.6	25.9	26.5	27.2	25.8	25.7	25.6	25.6	25.6	25.2	24.3	24.3	24.0	23.9	23.7	23.3	17.6	13.4	18.7	18.8	19.4	19.3	18.8	16.8	13.3	16.8	17.7	17.9	17.8	-9999.0
150	East Siberian Sea	33.9	33.7	33.6	33.5	33.4	33.8	34.1	33.9	33.9	34.0	35.2	35.6	33.7	34.0	33.8	33.6	33.8	33.0	31.7	33.7	33.7	33.6	33.6	33.6	33.6	34.3	33.3	33.1	33.5	33.5	-9999.0
152	Gulf of Alaska	18.9	19.0	18.9	18.0	17.0	17.9	17.9	18.2	18.2	17.9	16.1	14.6	19.0	18.9	18.5	18.6	18.5	15.7	13.3	17.5	17.7	17.9	17.8	17.6	11.2	6.7	17.1	16.8	17.1	16.5	-9999.0
154	Southeast Bering Sea	20.2	19.6	19.2	18.0	17.1	19.1	19.0	19.3	18.7	18.3	13.6	10.1	19.0	19.1	19.1	19.1	18.6	13.7	7.2	17.3	17.1	17.4	18.2	18.2	11.5	4.8	17.6	17.4	17.6	16.2	-9999.0