1973 09 - daily  - mean of NCEP mean Daily Clear Sky Upward 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	71.0	69.9	69.1	68.3	67.4	66.3	65.5	64.3	62.5	61.1	60.5	59.4	58.5	58.0	57.9	57.2	60.5	59.5	58.5	57.7	56.7	56.2	55.2	60.9	59.6	58.6	57.6	56.5	55.8	55.2	-9999.0
34	Hudson Bay	61.1	61.0	60.4	59.6	59.5	59.6	59.1	58.2	57.4	57.3	57.2	56.9	56.6	56.4	56.2	55.8	56.1	55.5	55.3	54.2	53.3	53.0	52.2	52.8	51.8	51.7	51.4	50.8	50.6	49.7	-9999.0
36	Hudson Strait	58.8	57.8	58.7	58.5	57.3	55.7	55.6	55.5	55.2	54.9	54.0	53.5	52.8	52.5	52.8	53.7	52.7	52.0	52.5	51.0	50.9	55.6	52.7	47.2	46.8	45.3	44.9	45.3	45.8	46.1	-9999.0
98	Bering Strait	79.2	74.1	81.7	80.9	79.4	78.1	77.1	72.2	66.4	56.6	55.9	55.2	54.3	53.6	52.8	52.6	65.5	65.1	64.2	63.2	62.0	61.8	61.7	83.0	81.7	79.5	77.4	75.8	71.5	66.4	-9999.0
128	Arctic subocean	108.0	104.1	100.6	97.1	92.7	88.4	85.8	83.1	80.0	76.1	73.7	69.9	66.8	64.1	64.9	62.0	58.2	53.7	51.4	48.3	45.1	42.5	40.1	36.6	34.5	32.1	29.8	27.0	24.7	22.6	-9999.0
130	Chukchi Sea	65.1	64.3	63.1	62.4	61.6	60.8	59.7	59.0	59.0	49.5	48.4	47.4	46.5	46.1	45.3	45.5	57.2	58.1	57.1	56.4	55.5	54.8	53.9	60.7	60.0	59.0	57.2	54.8	49.5	42.5	-9999.0
132	Beaufort Sea	63.0	61.5	64.1	63.9	63.1	61.6	60.7	58.7	57.6	55.2	54.6	54.4	54.2	53.1	52.2	51.2	51.7	51.2	50.4	49.7	49.0	48.0	47.9	52.3	52.2	51.6	50.3	49.5	48.9	48.9	-9999.0
134	Arctic Archipelago	91.1	88.9	86.4	84.6	83.1	81.8	78.7	74.1	73.7	74.7	74.3	72.9	70.4	67.8	66.7	67.2	71.5	69.2	67.0	66.3	64.0	61.1	59.4	62.5	60.6	58.9	57.4	55.8	54.8	53.6	-9999.0
136	Foxe Basin	71.0	69.5	54.9	54.2	52.5	52.0	52.0	51.9	50.2	55.8	54.9	54.4	54.3	53.8	56.0	57.2	61.9	60.7	59.1	58.1	56.7	56.1	54.2	54.2	52.5	49.7	49.1	48.3	47.9	47.0	-9999.0
138	Baffin Bay	117.9	115.2	110.7	107.9	103.6	101.2	98.8	97.3	92.3	89.2	86.8	83.4	81.3	80.6	77.8	74.3	70.6	67.1	64.0	62.0	59.7	58.2	55.8	53.1	50.8	48.6	45.7	42.8	40.7	38.3	-9999.0
139	South Greenland	119.0	117.4	113.7	111.2	110.7	108.6	108.0	104.3	100.1	98.3	95.6	93.5	92.1	91.2	88.8	86.7	86.2	84.8	83.2	82.4	81.2	78.6	76.1	73.5	71.8	70.6	69.8	67.4	63.6	61.1	-9999.0
140	Greenland Sea	128.4	124.3	121.6	119.2	116.6	111.4	109.1	105.8	102.9	96.7	93.5	89.6	85.4	85.0	82.4	79.2	74.9	70.8	67.8	64.5	62.6	61.9	58.8	55.2	52.2	50.6	48.2	46.0	42.8	40.0	-9999.0
142	Norwegian Sea	49.7	49.3	49.0	48.5	47.8	47.5	47.0	46.1	46.1	45.8	45.3	44.9	43.6	43.3	42.3	42.2	41.2	40.6	40.1	39.6	39.2	39.5	38.6	47.5	46.6	46.3	45.9	44.5	43.4	42.1	-9999.0
144	Barents Sea	56.1	55.4	55.3	54.6	54.0	53.3	52.8	52.7	52.8	51.3	50.7	50.2	49.7	48.7	48.1	47.5	47.1	46.3	45.7	45.7	45.0	44.9	45.6	44.5	43.2	42.7	41.9	41.2	40.4	39.7	-9999.0
146	Kara Sea	64.0	63.4	62.8	62.6	61.6	60.9	60.5	60.1	58.9	58.3	58.0	56.9	56.3	55.9	56.2	55.6	56.7	56.3	55.8	55.3	54.9	55.3	56.5	62.5	61.0	60.5	59.6	58.6	59.7	59.7	-9999.0
148	Laptev Sea	61.3	61.0	59.1	58.4	58.2	57.0	56.7	57.5	55.2	54.1	54.0	52.6	52.1	52.5	53.3	53.4	58.5	57.1	55.7	55.4	54.4	54.1	53.1	64.9	63.8	62.7	61.9	60.5	60.3	62.7	-9999.0
150	East Siberian Sea	68.2	69.9	61.9	60.6	59.2	58.5	57.6	57.3	56.7	55.8	54.5	53.5	52.7	52.5	55.5	55.5	79.4	77.3	75.7	74.0	72.1	68.6	57.5	77.4	74.9	73.1	71.6	70.6	69.0	67.5	-9999.0
152	Gulf of Alaska	87.0	77.8	95.0	93.1	91.5	90.7	89.9	76.3	66.6	71.9	71.5	70.5	69.2	68.2	65.8	60.4	77.5	76.9	75.6	74.4	72.9	70.4	67.9	73.4	72.8	70.8	70.0	69.0	67.5	65.0	-9999.0
154	Southeast Bering Sea	59.0	58.6	57.8	56.9	56.2	55.6	55.0	54.7	54.2	53.5	52.6	51.6	50.8	50.5	49.6	49.3	49.0	48.6	48.1	47.6	47.2	47.2	47.1	47.7	47.7	47.5	46.5	45.5	44.1	41.5	-9999.0