1964 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	68.9	68.0	67.0	66.3	65.6	64.8	63.9	63.0	62.1	61.3	60.9	60.4	59.8	59.2	58.1	57.1	56.2	55.8	55.3	53.6	52.7	52.0	51.3	50.6	50.5	50.4	50.0	49.4	48.3	47.5	-9999.0
34	Hudson Bay	61.2	60.4	60.0	59.9	59.5	59.3	58.9	58.5	57.7	57.7	57.6	57.4	56.3	56.1	55.4	54.3	53.5	52.9	53.4	53.0	52.2	51.6	51.3	51.2	51.3	51.2	50.4	50.7	49.8	48.9	-9999.0
36	Hudson Strait	58.7	58.2	58.0	58.2	57.0	56.1	55.2	55.0	54.8	54.3	54.3	55.7	52.8	52.4	51.9	51.3	50.6	52.2	50.0	48.3	48.0	47.5	46.8	46.4	47.8	48.5	46.9	48.0	47.0	47.0	-9999.0
98	Bering Strait	60.9	60.1	59.4	60.1	58.9	58.3	57.3	56.3	55.8	55.2	55.9	57.2	60.6	59.9	59.3	58.9	58.1	58.3	57.1	55.1	54.4	53.4	52.3	51.6	51.0	50.1	48.2	47.4	46.7	46.1	-9999.0
128	Arctic subocean	110.7	105.7	101.2	96.4	93.3	92.5	89.8	87.2	83.5	77.8	76.0	73.4	69.8	67.6	64.2	60.9	57.7	54.0	50.6	47.5	44.5	41.1	39.0	36.6	34.5	32.2	29.6	27.2	24.9	23.0	-9999.0
130	Chukchi Sea	56.5	55.8	55.5	55.8	54.4	53.5	52.0	51.2	50.7	49.9	51.7	54.2	52.8	52.8	52.7	51.7	51.0	50.2	48.9	48.3	47.6	46.4	45.3	44.7	43.4	42.2	41.6	40.9	40.3	39.9	-9999.0
132	Beaufort Sea	63.6	62.7	62.3	62.2	61.9	61.0	60.2	59.5	58.9	57.9	57.0	56.9	57.0	55.7	53.7	52.8	52.0	51.8	50.8	50.3	49.5	48.8	48.2	47.6	47.8	48.4	47.5	46.9	45.7	45.1	-9999.0
134	Arctic Archipelago	80.0	78.9	77.2	78.0	78.6	76.9	75.6	74.0	72.7	70.5	70.4	71.2	70.2	68.9	67.2	66.5	64.3	62.4	62.3	62.4	60.3	58.8	57.0	55.8	55.3	55.8	54.7	53.0	51.3	49.2	-9999.0
136	Foxe Basin	73.1	72.2	69.9	69.1	69.2	68.4	67.0	65.9	64.7	64.2	64.4	62.4	60.8	59.8	58.8	57.3	56.2	55.7	56.4	54.7	54.8	54.9	53.4	52.0	52.4	53.6	56.2	55.0	54.1	52.0	-9999.0
138	Baffin Bay	122.0	119.0	114.9	111.4	107.9	103.6	99.8	96.7	93.5	91.5	89.0	85.3	81.9	80.0	77.4	74.4	72.3	69.2	65.9	63.0	59.0	56.9	55.2	52.6	51.1	47.3	44.8	42.9	41.9	40.2	-9999.0
139	South Greenland	115.7	115.1	113.8	111.0	110.0	107.7	104.6	102.3	100.8	99.8	98.0	95.0	93.2	91.3	89.8	88.4	85.6	84.1	83.2	81.6	79.3	78.1	76.2	74.0	70.0	68.5	68.3	67.0	64.3	63.0	-9999.0
140	Greenland Sea	130.1	127.6	123.4	118.4	115.4	111.7	108.8	105.0	100.8	97.2	93.7	90.0	88.2	85.3	81.8	77.8	75.4	73.0	70.2	66.8	64.7	60.9	58.8	56.0	54.8	50.2	47.8	45.4	43.4	40.9	-9999.0
142	Norwegian Sea	50.2	49.6	49.0	48.6	48.0	47.6	47.0	46.4	46.6	46.1	45.9	44.9	44.0	43.1	42.5	41.9	41.4	41.2	40.7	40.1	39.5	39.2	37.9	37.2	37.0	36.7	35.6	35.3	34.8	35.0	-9999.0
144	Barents Sea	56.0	55.6	55.1	54.5	53.8	53.1	52.6	51.6	50.5	49.8	49.1	49.2	48.7	47.8	47.5	46.7	45.8	45.2	44.6	44.0	43.2	42.8	42.5	42.0	41.6	41.5	41.0	40.0	38.8	37.8	-9999.0
146	Kara Sea	62.6	62.0	61.5	60.8	60.3	59.9	59.2	58.7	58.3	57.6	57.2	56.7	56.1	56.0	55.0	54.2	53.7	53.5	52.8	51.5	51.3	50.5	50.2	49.5	49.3	49.5	49.3	49.0	48.3	48.4	-9999.0
148	Laptev Sea	60.9	60.2	59.3	58.4	57.8	57.3	57.0	56.8	56.1	55.3	55.7	55.1	55.5	55.5	54.8	53.6	52.9	53.2	54.1	49.9	49.3	49.1	49.4	49.2	49.9	50.2	50.8	49.9	49.2	47.8	-9999.0
150	East Siberian Sea	66.2	64.1	63.0	62.6	61.4	60.9	60.2	59.7	58.6	57.2	57.8	58.6	57.1	56.1	55.0	54.3	54.2	55.8	56.7	51.7	50.5	50.9	49.6	49.0	52.2	53.8	56.2	54.9	53.6	52.3	-9999.0
152	Gulf of Alaska	70.2	69.5	68.7	68.2	67.5	66.9	66.3	65.3	65.0	64.2	63.4	62.3	60.8	60.3	59.7	59.5	58.8	58.1	57.0	56.8	56.1	55.1	54.6	54.2	53.4	53.5	51.9	50.9	50.0	49.6	-9999.0
154	Southeast Bering Sea	58.2	57.4	57.0	56.3	56.3	55.3	54.3	54.3	53.5	52.5	52.0	51.7	51.2	50.4	50.1	50.2	49.4	48.3	47.8	47.6	46.8	46.4	45.8	45.4	44.4	44.0	43.5	42.6	42.4	42.0	-9999.0