1958 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	3537.7	3537.8	3537.8	3537.3	3536.8	3537.7	3537.7	3537.6	3537.7	3537.6	3536.6	3534.6	3536.4	3536.4	3536.2	3536.5	3536.4	3534.8	3533.5	3535.1	3535.1	3534.9	3534.8	3534.9	3533.9	3532.6	3533.6	3533.5	3533.4	3533.5	-9999.0
34	Hudson Bay	18.6	18.9	19.3	16.5	14.4	19.5	19.8	20.0	19.9	19.6	17.8	15.8	17.3	16.1	15.4	17.6	17.5	14.4	13.1	15.4	15.4	15.2	15.1	15.5	14.9	13.5	12.6	12.5	11.9	13.1	-9999.0
36	Hudson Strait	35.7	35.6	35.2	33.5	32.6	35.8	36.6	36.3	35.9	35.6	35.4	34.6	35.7	35.2	33.4	33.5	35.7	35.7	35.0	36.2	36.1	35.7	35.4	36.3	36.3	36.4	35.9	34.0	31.0	35.1	-9999.0
98	Bering Strait	27.3	27.3	27.4	26.5	25.9	26.8	26.9	26.8	26.9	26.9	26.5	25.2	27.1	27.1	27.1	27.1	27.2	27.4	27.5	27.3	27.2	27.0	26.6	26.4	20.0	13.3	22.5	22.8	23.8	23.5	-9999.0
128	Arctic subocean	20214.0	20214.1	20214.2	20214.1	20214.1	20214.2	20214.2	20214.2	20214.2	20214.2	20214.2	20213.9	20214.2	20214.3	20214.2	20214.2	20214.3	20214.1	20214.1	20214.3	20214.4	20214.4	20214.4	20214.4	20214.4	20214.3	20214.4	20214.4	20214.4	20214.5	-9999.0
130	Chukchi Sea	42.1	42.1	42.1	41.8	41.5	42.1	42.1	42.1	42.1	42.0	41.8	41.5	42.0	41.9	41.9	42.0	41.8	41.7	42.3	42.2	42.0	42.0	41.5	41.6	35.6	26.8	36.6	37.8	38.8	38.6	-9999.0
132	Beaufort Sea	27.7	27.5	27.4	25.9	24.1	26.6	26.6	26.5	27.2	27.3	25.7	22.1	25.1	26.0	26.0	25.8	25.6	23.2	21.0	24.2	24.3	24.4	24.3	24.0	20.5	15.6	19.6	19.0	20.1	20.3	-9999.0
134	Arctic Archipelago	41.1	41.1	41.0	41.0	41.2	41.1	41.1	41.4	41.3	41.0	41.1	41.1	41.0	41.1	41.1	41.0	41.1	41.2	41.3	41.1	41.2	41.2	41.2	41.2	41.5	41.8	41.3	41.3	41.6	41.3	-9999.0
136	Foxe Basin	50.3	50.9	50.6	52.7	54.1	50.0	50.2	50.1	50.2	50.5	51.5	53.2	50.5	50.3	50.1	50.3	50.4	51.1	52.2	50.3	50.2	50.2	50.3	50.3	51.1	52.9	50.6	50.7	50.3	50.6	-9999.0
138	Baffin Bay	26189.7	26189.9	26190.2	26190.5	26191.2	26190.5	26190.6	26191.2	26190.8	26190.8	26190.8	26191.2	26191.1	26191.2	26191.4	26191.4	26191.9	26191.9	26191.9	26191.7	26191.8	26191.8	26192.0	26192.0	26191.8	26191.6	26192.3	26192.4	26192.5	26192.6	-9999.0
139	South Greenland	34447.5	34447.4	34447.7	34448.6	34448.3	34447.8	34447.7	34448.3	34448.3	34448.6	34449.9	34451.9	34449.2	34448.9	34449.2	34449.1	34448.6	34450.0	34452.5	34448.4	34449.1	34448.1	34447.3	34447.3	34448.4	34450.3	34446.4	34446.1	34445.9	34444.9	-9999.0
140	Greenland Sea	43551.1	43551.0	43550.9	43550.9	43551.2	43551.0	43550.9	43551.0	43550.9	43550.9	43551.2	43551.6	43550.9	43550.9	43550.9	43550.9	43550.9	43550.7	43551.6	43551.1	43550.9	43551.2	43551.5	43551.1	43553.4	43555.0	43551.1	43551.2	43551.4	43550.7	-9999.0
142	Norwegian Sea	5.9	5.9	5.7	5.2	4.9	6.0	6.0	6.2	5.9	6.2	5.0	3.2	5.4	5.6	6.0	6.2	5.8	5.4	4.4	5.3	5.5	5.8	5.6	5.6	4.3	2.5	3.4	3.6	3.1	3.1	-9999.0
144	Barents Sea	29.6	29.3	29.4	27.9	24.7	28.8	28.1	28.1	28.6	28.5	26.5	24.0	28.0	28.0	28.3	27.8	26.2	24.6	22.2	22.7	22.6	22.7	22.5	22.5	22.3	19.9	20.4	20.0	18.9	18.7	-9999.0
146	Kara Sea	27.2	27.4	27.4	27.8	28.2	27.2	26.9	26.5	26.4	26.3	24.1	19.6	23.6	23.9	23.6	23.6	23.9	21.3	18.5	20.8	20.7	20.6	20.8	20.9	20.6	19.9	20.7	20.6	20.3	20.3	-9999.0
148	Laptev Sea	28.8	28.7	28.6	28.9	29.3	28.7	28.6	28.5	28.6	28.7	29.1	29.2	28.4	28.4	28.5	28.4	28.3	26.6	25.3	28.5	28.5	28.3	28.1	28.1	28.2	28.0	28.3	28.4	28.1	28.1	-9999.0
150	East Siberian Sea	38.1	38.1	38.2	38.3	38.4	38.5	38.4	38.5	38.4	38.3	38.1	38.1	38.4	38.4	38.5	38.5	38.4	37.9	37.9	38.2	38.2	38.2	37.9	37.8	37.5	37.9	37.6	37.5	37.4	37.5	-9999.0
152	Gulf of Alaska	14.3	14.2	14.3	11.9	9.3	14.0	14.2	14.4	14.5	14.2	12.8	11.1	15.8	16.0	15.9	15.8	15.9	13.5	12.2	15.7	15.8	15.8	15.7	15.1	9.1	3.5	11.7	12.6	12.4	12.1	-9999.0
154	Southeast Bering Sea	18.7	18.3	18.3	12.5	7.6	16.5	17.5	17.8	18.1	17.0	11.7	7.6	17.6	17.7	17.8	18.5	18.4	17.1	16.1	18.7	18.5	16.7	15.8	15.5	5.5	0.6	13.1	15.9	16.0	15.6	-9999.0