1987 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	3535.7	3535.7	3535.6	3534.6	3533.6	3533.3	3533.3	3533.4	3533.3	3533.4	3533.1	3531.9	3532.3	3532.2	3532.2	3532.2	3532.1	3531.2	3530.6	3531.4	3531.1	3531.5	3531.4	3531.3	3530.0	3528.6	3531.3	3531.4	3531.2	3531.0	-9999.0
34	Hudson Bay	23.7	23.4	22.8	18.1	14.6	15.9	16.0	16.6	16.9	17.2	16.5	15.3	13.5	13.5	12.5	12.4	11.9	8.8	7.0	9.7	9.7	11.0	10.8	11.3	10.8	10.2	10.9	10.7	11.0	11.5	-9999.0
36	Hudson Strait	35.2	38.3	38.6	39.2	38.6	30.1	29.6	28.9	29.2	29.3	29.2	29.0	38.0	37.2	37.7	35.8	32.8	21.6	18.7	35.6	33.3	38.2	35.5	38.5	38.4	37.9	37.6	36.0	36.2	37.7	-9999.0
98	Bering Strait	28.6	29.0	28.7	28.1	28.0	28.2	28.1	28.1	28.2	28.6	28.3	27.9	28.4	28.5	28.6	28.5	28.7	28.5	28.4	28.7	28.5	28.3	28.3	28.1	27.0	27.2	28.3	27.6	26.7	26.3	-9999.0
128	Arctic subocean	20213.3	20213.3	20213.2	20213.2	20213.3	20213.3	20213.3	20213.3	20213.3	20213.3	20213.5	20213.4	20213.4	20213.6	20213.5	20213.4	20213.5	20213.3	20213.3	20213.6	20213.5	20213.5	20213.6	20213.4	20213.7	20214.1	20213.2	20213.2	20213.2	20213.2	-9999.0
130	Chukchi Sea	50.2	50.3	50.2	49.4	48.8	50.1	50.1	50.2	50.2	50.2	50.0	49.9	50.4	50.4	50.5	50.4	50.4	49.9	49.7	50.3	50.2	50.2	50.2	50.5	49.7	49.3	50.3	49.7	49.4	49.2	-9999.0
132	Beaufort Sea	30.1	29.5	30.1	28.4	25.4	20.3	20.6	21.0	20.9	20.9	20.9	20.9	18.7	18.3	18.1	18.2	18.5	17.9	17.2	18.3	18.1	18.7	18.7	18.4	16.5	15.1	16.9	17.0	16.6	16.2	-9999.0
134	Arctic Archipelago	41.0	41.1	41.1	41.3	41.5	41.3	41.1	41.0	41.0	41.0	41.2	41.6	41.1	41.0	41.0	40.9	41.4	41.6	42.1	41.1	41.1	41.2	41.4	41.2	41.5	41.6	40.9	41.2	41.2	41.0	-9999.0
136	Foxe Basin	48.5	48.6	48.4	48.8	49.9	48.3	49.3	48.8	48.5	48.6	49.7	51.5	49.3	48.8	48.3	49.2	48.6	48.9	48.6	48.6	48.4	48.4	48.3	48.4	49.6	50.7	48.9	48.4	48.3	48.5	-9999.0
138	Baffin Bay	26188.6	26188.7	26189.1	26190.2	26191.3	26189.2	26189.2	26189.4	26189.4	26189.6	26189.7	26189.8	26189.9	26190.1	26190.1	26190.2	26190.2	26189.9	26189.9	26190.4	26190.6	26190.6	26190.7	26190.7	26190.7	26190.4	26191.0	26191.1	26191.1	26191.2	-9999.0
139	South Greenland	34448.3	34448.3	34448.8	34449.8	34449.8	34449.0	34449.4	34449.2	34449.5	34449.7	34449.5	34449.2	34449.5	34449.6	34449.3	34449.1	34448.9	34448.7	34449.1	34448.7	34448.1	34448.2	34448.4	34447.9	34447.2	34446.9	34447.2	34447.1	34446.5	34446.4	-9999.0
140	Greenland Sea	43549.0	43549.1	43549.2	43549.0	43549.2	43549.1	43549.1	43549.1	43549.2	43549.2	43549.4	43549.4	43549.7	43549.5	43549.7	43549.2	43549.0	43548.9	43549.9	43549.4	43549.3	43549.2	43548.8	43549.1	43551.5	43552.2	43548.6	43548.8	43548.8	43548.7	-9999.0
142	Norwegian Sea	10.3	11.2	10.7	9.5	6.6	10.2	9.6	10.2	10.2	10.1	8.4	4.7	11.8	11.5	9.9	11.6	12.9	11.0	7.2	12.4	11.7	9.0	8.8	10.8	7.2	3.3	7.3	7.5	7.8	6.4	-9999.0
144	Barents Sea	20.4	20.2	20.2	19.8	18.0	17.4	17.8	17.9	17.5	17.6	17.6	17.1	21.3	21.1	21.1	20.3	21.1	19.8	19.0	16.1	15.7	15.7	15.8	15.5	15.3	14.4	14.2	13.7	13.6	13.7	-9999.0
146	Kara Sea	17.8	17.8	17.6	17.2	16.8	16.8	16.7	16.5	16.2	16.2	15.5	12.6	13.8	14.0	14.4	14.4	14.1	13.6	13.0	16.1	15.7	15.9	15.7	15.6	12.5	9.5	18.1	18.8	18.4	17.3	-9999.0
148	Laptev Sea	28.5	28.4	28.3	28.2	28.0	28.1	28.3	28.2	28.0	27.9	27.8	27.5	26.6	26.1	26.4	26.8	26.8	26.8	26.9	21.9	21.8	21.9	21.9	21.6	20.4	19.0	19.7	19.7	19.8	20.0	-9999.0
150	East Siberian Sea	36.7	36.9	37.0	36.5	36.0	36.7	36.7	36.7	36.8	36.7	36.7	36.4	37.0	36.9	37.0	37.0	37.0	37.0	37.0	37.0	37.2	37.4	37.5	37.0	36.3	35.9	36.5	36.4	36.4	36.1	-9999.0
152	Gulf of Alaska	18.5	17.8	17.6	14.5	13.5	17.7	17.0	17.4	17.6	17.5	14.6	12.1	17.4	17.9	19.2	19.0	19.5	18.4	16.5	18.4	18.2	18.1	17.6	17.6	13.9	12.9	17.3	17.1	15.0	16.0	-9999.0
154	Southeast Bering Sea	19.3	19.1	18.6	13.7	11.7	18.9	19.0	19.3	19.3	19.6	18.8	18.4	20.5	20.4	20.4	20.7	20.5	19.8	17.6	20.3	20.4	20.0	19.8	19.8	17.9	14.9	18.6	18.0	18.0	17.7	-9999.0