1971 09 - daily  - mean of NCEP mean Daily Near IR Beam Downward Solar Flux at surface, W/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	55.9	57.7	60.4	56.9	56.4	55.8	53.1	53.4	54.7	53.5	50.2	52.6	51.9	48.9	45.6	46.5	46.0	45.8	42.4	40.4	42.6	40.2	40.5	41.3	41.2	39.7	39.6	35.2	34.7	36.7	-9999.0
34	Hudson Bay	60.8	61.0	67.7	64.9	63.2	64.9	50.8	64.6	67.9	67.2	52.6	69.0	61.8	58.5	50.8	59.9	65.7	55.5	43.2	56.5	66.4	59.3	58.6	63.7	53.2	44.9	50.7	46.0	44.4	40.9	-9999.0
36	Hudson Strait	67.1	38.1	90.7	80.6	100.0	71.2	34.8	46.2	44.7	53.8	62.8	39.5	66.7	62.0	44.0	46.0	55.0	40.4	47.3	37.7	40.9	51.1	59.1	28.8	30.1	17.1	51.1	56.0	56.2	35.4	-9999.0
98	Bering Strait	43.3	45.9	40.4	42.5	44.9	48.5	44.6	45.4	53.3	57.1	57.1	57.2	65.1	55.3	58.6	41.0	35.1	46.3	37.0	27.5	32.1	34.9	31.5	32.0	36.3	37.2	41.5	32.5	27.0	22.6	-9999.0
128	Arctic subocean	58.6	53.6	50.9	50.2	49.7	47.9	28.7	20.3	24.8	30.5	38.1	34.8	25.2	22.6	23.9	23.0	18.6	14.0	22.0	18.8	14.1	20.1	18.8	16.1	15.8	13.8	13.7	11.2	8.6	9.4	-9999.0
130	Chukchi Sea	54.7	54.6	53.9	51.8	36.0	42.1	47.3	50.7	49.7	52.3	54.4	63.0	50.9	48.1	46.0	43.3	33.0	44.8	34.5	19.2	35.1	22.3	11.3	14.4	18.0	21.9	37.6	30.7	34.8	36.2	-9999.0
132	Beaufort Sea	39.1	49.0	46.7	42.1	52.0	59.7	57.7	56.0	60.1	47.4	51.6	50.4	49.5	47.0	55.5	55.4	34.3	44.9	55.3	50.4	44.9	35.3	37.0	32.4	31.4	34.1	32.5	28.5	38.0	36.8	-9999.0
134	Arctic Archipelago	64.4	72.6	70.8	49.8	51.1	40.7	52.6	45.9	41.8	52.2	57.2	47.8	33.5	35.4	40.8	43.9	37.4	27.3	42.7	41.8	35.3	34.5	35.4	33.7	35.8	30.0	22.9	14.1	10.3	22.1	-9999.0
136	Foxe Basin	67.8	67.2	66.0	71.2	63.7	55.8	30.0	33.6	30.7	25.1	30.6	34.8	50.9	48.2	49.3	54.7	36.8	36.3	49.9	29.4	26.9	22.9	17.2	27.1	29.5	31.2	49.4	38.0	29.4	20.1	-9999.0
138	Baffin Bay	69.6	68.2	67.7	64.4	55.6	54.0	33.2	38.9	32.5	40.0	33.5	26.4	29.5	40.5	26.4	24.2	35.9	32.8	32.7	31.4	29.1	21.9	21.3	22.1	27.0	31.3	29.2	26.0	21.4	20.5	-9999.0
139	South Greenland	71.9	63.2	67.5	62.1	50.7	56.3	56.7	67.1	58.1	64.3	56.0	58.5	58.7	35.8	38.0	45.8	44.0	49.2	57.3	54.4	56.7	41.6	36.5	44.6	44.6	41.2	37.7	37.2	40.3	44.3	-9999.0
140	Greenland Sea	32.5	60.7	71.8	72.0	50.3	39.0	37.5	28.4	52.5	48.5	49.1	39.7	38.8	45.7	34.1	25.5	27.4	32.1	34.6	39.2	34.9	38.4	34.8	30.6	31.9	24.0	28.7	28.5	24.5	24.4	-9999.0
142	Norwegian Sea	38.2	55.0	49.3	44.3	50.3	48.9	26.7	49.9	48.0	49.9	35.2	48.9	39.0	51.9	38.2	16.7	5.1	47.9	33.9	38.0	34.9	26.4	36.0	27.8	22.1	39.6	21.0	34.8	32.4	25.2	-9999.0
144	Barents Sea	43.3	57.8	43.6	27.9	40.1	35.8	46.7	54.6	48.0	61.5	42.0	28.3	43.3	35.3	32.9	47.4	47.8	42.8	37.9	40.9	32.5	34.7	26.0	41.7	31.7	18.9	30.8	36.2	28.4	29.6	-9999.0
146	Kara Sea	61.5	62.6	65.4	61.4	57.3	59.7	62.2	56.1	60.9	53.6	54.2	55.5	52.8	52.7	50.2	49.9	53.5	55.8	47.5	38.8	42.5	44.3	46.9	42.9	46.7	47.5	42.1	35.3	39.1	45.2	-9999.0
148	Laptev Sea	48.2	47.2	57.3	57.4	57.0	52.9	52.5	48.4	46.4	49.3	42.1	48.7	50.2	49.1	40.8	37.5	40.9	37.3	35.8	35.1	35.7	31.1	35.5	38.1	40.4	43.5	40.7	35.2	33.5	37.8	-9999.0
150	East Siberian Sea	65.2	62.4	61.4	68.0	67.0	61.9	57.3	54.0	49.9	43.0	47.5	56.4	52.4	43.3	36.0	43.3	38.0	38.0	27.8	24.7	34.2	36.3	38.9	41.3	39.5	41.6	41.9	44.7	35.3	39.6	-9999.0
152	Gulf of Alaska	44.2	51.4	31.0	41.5	56.3	44.6	34.3	45.8	46.0	45.4	51.0	57.5	51.3	45.3	48.2	40.7	42.1	40.4	20.7	27.7	24.4	35.5	46.4	51.5	56.4	55.1	53.5	46.8	17.7	10.8	-9999.0
154	Southeast Bering Sea	63.2	49.1	51.9	46.8	71.9	73.4	63.5	52.2	59.7	50.4	44.4	63.5	68.7	65.9	54.1	35.6	24.5	27.4	28.3	37.5	58.6	50.3	12.5	46.1	51.8	36.4	27.8	9.7	5.0	21.7	-9999.0