1973 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	60.2	59.0	59.3	58.7	58.3	53.9	50.2	50.0	47.0	49.2	49.2	47.8	45.4	49.2	47.7	49.7	49.6	47.9	47.6	45.4	43.8	43.6	41.0	39.8	34.2	36.5	38.3	39.1	35.0	33.0	-9999.0
34	Hudson Bay	54.5	67.8	64.6	53.9	63.6	76.2	51.4	65.4	60.5	65.2	68.3	66.3	54.0	60.8	70.4	79.5	72.3	66.5	68.5	60.4	59.3	63.8	59.5	52.0	28.3	43.6	60.6	60.0	56.6	46.6	-9999.0
36	Hudson Strait	48.9	46.4	79.0	85.7	11.0	41.2	45.9	31.9	37.0	73.5	57.4	58.8	46.7	49.6	60.5	81.1	66.6	53.8	70.1	46.4	50.7	59.6	66.7	51.2	53.6	20.9	30.7	44.3	35.5	42.8	-9999.0
98	Bering Strait	61.1	60.3	61.7	57.4	58.1	59.4	56.6	51.1	45.8	47.1	53.9	50.3	35.3	46.9	40.3	39.9	44.4	46.3	50.5	47.2	38.8	38.9	41.4	40.9	37.6	31.6	33.5	31.6	24.2	23.6	-9999.0
128	Arctic subocean	37.0	37.7	47.7	49.9	35.4	26.7	28.4	27.0	40.2	35.4	32.9	26.7	29.0	25.7	29.5	30.2	28.1	23.3	22.8	19.6	13.1	18.1	18.3	16.5	15.2	17.1	16.8	13.0	10.9	8.7	-9999.0
130	Chukchi Sea	49.1	50.5	43.8	49.3	68.2	60.6	55.2	57.3	47.1	36.6	28.3	22.3	20.0	34.5	19.9	26.1	15.8	26.5	28.2	33.4	29.5	27.2	31.2	30.4	23.2	37.4	34.5	19.5	12.7	13.1	-9999.0
132	Beaufort Sea	60.8	50.7	60.7	75.5	70.6	42.2	56.0	48.3	63.7	61.9	50.9	47.6	65.4	60.4	53.7	59.5	59.4	60.5	60.4	56.1	52.8	42.0	35.8	43.8	41.4	38.0	43.3	44.7	40.8	38.1	-9999.0
134	Arctic Archipelago	66.5	57.4	64.7	53.6	56.6	62.5	31.7	31.4	33.7	46.2	58.9	61.5	53.9	37.8	33.3	51.3	48.1	43.5	34.6	43.1	39.9	32.0	27.3	29.1	18.6	25.1	31.7	35.6	30.8	19.7	-9999.0
136	Foxe Basin	69.9	58.4	81.1	64.2	22.9	23.4	45.2	65.7	39.6	25.1	33.2	31.7	44.8	50.1	43.4	29.4	31.5	46.0	36.9	37.7	36.2	48.8	36.7	42.8	36.2	6.6	8.5	20.2	17.5	40.5	-9999.0
138	Baffin Bay	57.5	60.7	67.5	63.5	40.0	30.1	33.7	43.8	26.3	14.7	33.2	32.8	32.2	44.3	36.3	33.1	32.2	27.7	20.9	22.7	19.4	34.0	31.0	31.8	29.7	26.9	15.9	17.9	17.2	17.7	-9999.0
139	South Greenland	70.0	73.6	63.0	59.2	75.3	67.2	72.5	59.2	55.6	43.9	39.6	32.8	30.7	43.5	34.8	36.4	30.0	34.8	32.2	43.5	44.0	38.3	33.0	35.3	35.3	43.6	45.3	43.5	27.3	27.1	-9999.0
140	Greenland Sea	64.0	59.0	60.5	69.3	67.4	53.4	57.7	50.3	53.1	37.9	39.4	40.1	31.5	37.7	43.4	39.7	33.2	34.8	25.7	19.5	18.7	34.8	25.9	19.7	23.4	24.1	27.5	28.6	25.1	17.7	-9999.0
142	Norwegian Sea	52.0	41.2	41.8	53.9	41.3	45.6	41.6	27.8	35.6	41.5	31.5	62.4	24.9	29.0	27.3	45.6	27.2	35.2	39.2	32.2	44.1	36.4	40.4	42.2	34.5	42.4	33.3	29.9	24.0	24.4	-9999.0
144	Barents Sea	51.2	50.2	56.7	59.0	53.8	43.6	47.5	54.5	54.0	44.4	26.7	46.9	42.3	32.5	37.1	41.2	43.1	27.9	28.8	39.1	42.0	45.4	48.1	40.9	30.7	34.6	29.6	14.0	22.7	24.0	-9999.0
146	Kara Sea	62.8	57.3	54.6	59.5	59.9	50.8	50.9	50.1	41.7	50.8	51.7	45.6	45.1	53.6	49.4	45.9	54.6	50.9	48.0	44.4	48.1	44.6	43.0	44.2	41.9	46.4	40.7	44.1	38.9	40.6	-9999.0
148	Laptev Sea	67.4	63.9	56.3	45.6	52.4	52.6	48.6	41.9	40.0	41.9	45.7	46.9	48.0	49.9	45.9	45.3	38.6	43.2	41.5	40.4	33.9	34.6	31.8	30.6	30.3	30.2	31.4	34.0	29.7	26.5	-9999.0
150	East Siberian Sea	41.8	43.4	50.1	68.4	59.3	51.5	46.3	45.9	38.9	37.6	38.3	37.2	35.5	34.8	41.8	41.9	41.3	37.2	51.9	43.9	36.6	37.1	35.1	26.4	26.7	18.8	20.2	23.5	24.3	27.9	-9999.0
152	Gulf of Alaska	49.7	71.6	67.0	46.8	42.6	46.0	38.1	51.6	55.3	54.9	59.3	54.1	31.5	31.8	39.2	31.8	39.5	56.2	53.1	57.6	33.2	51.1	44.5	50.7	26.0	22.4	43.6	47.0	50.5	33.7	-9999.0
154	Southeast Bering Sea	82.7	86.7	90.0	68.2	65.0	57.7	49.3	64.3	66.0	52.8	23.1	26.1	20.9	38.3	19.8	29.0	54.9	52.5	67.0	63.5	60.0	66.0	62.8	46.9	49.3	45.9	52.2	41.3	19.8	13.1	-9999.0