1957 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	68.5	67.5	66.8	66.2	65.2	64.7	64.2	63.0	62.2	61.3	60.5	59.8	59.7	59.3	57.5	56.5	55.7	55.0	54.2	54.3	54.6	52.7	52.0	50.8	49.9	49.1	49.3	48.4	47.8	47.1	-9999.0
34	Hudson Bay	60.9	60.5	60.5	60.3	59.9	59.2	58.6	58.1	57.5	57.0	56.4	56.1	56.0	55.5	55.0	54.6	54.3	54.0	53.6	54.0	52.6	51.8	51.9	51.2	51.2	50.2	50.2	48.8	48.4	48.2	-9999.0
36	Hudson Strait	59.2	58.7	58.2	57.6	57.0	55.7	55.7	55.4	54.6	53.4	52.6	52.0	51.4	51.4	51.2	50.3	50.3	50.1	49.5	51.1	48.9	47.2	47.1	46.8	46.4	46.2	48.7	49.6	50.1	47.4	-9999.0
98	Bering Strait	60.0	59.3	58.6	58.0	57.4	56.8	56.2	55.6	54.8	54.2	54.0	52.9	53.1	52.1	52.0	51.5	50.9	49.8	49.8	52.6	52.6	51.7	51.1	50.1	49.2	49.3	50.3	50.8	51.0	50.7	-9999.0
128	Arctic subocean	110.8	106.7	101.1	97.5	94.2	89.6	86.2	86.2	82.9	78.9	75.6	72.8	71.3	66.2	61.5	56.8	54.3	53.0	50.4	48.6	45.2	41.8	39.5	37.5	34.6	32.2	30.0	27.5	25.3	22.7	-9999.0
130	Chukchi Sea	54.3	53.4	52.4	51.9	51.3	50.7	50.3	49.9	49.3	48.4	47.8	46.8	46.9	45.5	45.0	44.7	44.3	44.2	44.7	46.2	44.2	41.9	41.2	41.3	40.1	39.5	41.1	43.2	44.2	43.3	-9999.0
132	Beaufort Sea	61.4	61.0	60.6	59.9	59.2	58.0	57.6	57.0	56.4	55.7	55.1	54.6	53.8	53.8	53.4	53.2	53.0	51.5	50.4	50.6	50.4	49.2	49.1	48.7	47.1	46.6	46.4	45.4	45.3	44.6	-9999.0
134	Arctic Archipelago	85.9	83.5	83.4	83.0	80.0	77.9	75.8	75.4	75.2	72.9	70.7	70.0	71.5	71.2	67.9	66.6	65.8	65.1	63.2	62.8	61.0	57.8	57.0	55.0	53.9	52.8	53.7	52.8	53.7	52.4	-9999.0
136	Foxe Basin	58.6	58.3	56.7	56.5	56.6	55.3	54.9	53.4	52.6	52.3	50.9	49.5	49.1	49.2	48.6	48.5	47.8	46.9	45.4	48.0	46.2	44.5	43.1	42.3	41.8	41.5	45.2	46.3	45.5	44.0	-9999.0
138	Baffin Bay	115.9	114.2	109.6	106.1	103.5	100.9	98.5	96.6	93.7	90.7	87.9	84.6	81.1	76.0	72.3	69.5	67.1	64.7	63.6	60.6	56.3	54.3	53.4	51.4	48.9	47.2	44.4	42.6	39.9	37.7	-9999.0
139	South Greenland	114.6	113.4	111.9	110.1	108.3	106.0	104.6	102.7	101.7	101.0	99.3	97.2	93.1	90.2	88.0	85.6	83.4	81.3	79.5	76.9	74.6	74.2	73.2	70.2	70.1	68.4	67.6	64.9	62.5	60.9	-9999.0
140	Greenland Sea	127.4	124.0	122.2	118.0	114.3	111.1	108.9	106.4	102.1	98.5	95.8	93.2	90.0	86.8	82.8	77.8	74.4	71.3	69.3	67.1	62.9	59.6	57.2	55.5	52.7	50.3	48.7	46.0	43.3	40.7	-9999.0
142	Norwegian Sea	49.6	49.2	49.0	48.6	48.1	47.3	46.8	46.0	45.6	44.9	44.5	43.7	43.0	42.7	42.2	41.7	41.1	40.7	40.8	40.6	39.6	39.2	38.7	38.4	37.7	37.1	36.2	35.5	35.0	34.6	-9999.0
144	Barents Sea	54.9	54.4	53.8	53.4	52.6	52.0	51.4	50.8	50.2	49.8	49.2	48.7	47.6	47.0	46.8	46.6	46.1	45.6	44.9	44.2	44.0	43.0	42.6	42.1	41.0	40.4	40.3	39.7	39.0	38.5	-9999.0
146	Kara Sea	64.1	62.9	62.8	62.4	61.5	62.2	61.7	60.4	59.6	59.0	58.3	57.7	57.2	56.8	55.6	54.9	54.4	54.1	53.9	54.4	56.4	53.3	51.9	50.9	50.2	49.6	50.2	49.5	48.0	47.5	-9999.0
148	Laptev Sea	61.2	60.3	59.7	59.8	58.6	59.2	60.2	58.0	57.8	57.0	57.0	56.7	58.9	60.4	54.8	53.7	52.8	52.7	51.0	51.9	55.5	53.2	53.2	51.4	49.9	48.8	49.5	48.3	49.6	49.1	-9999.0
150	East Siberian Sea	60.1	59.3	58.6	58.3	57.5	56.7	56.1	55.1	54.3	53.4	52.6	52.4	55.8	57.9	56.4	54.8	52.9	51.8	51.1	50.3	49.0	48.5	47.8	46.8	46.6	45.4	44.7	44.4	43.2	42.6	-9999.0
152	Gulf of Alaska	69.6	68.7	67.7	66.9	66.2	65.8	65.2	64.3	63.2	62.8	62.2	60.8	60.7	60.5	60.5	59.8	58.9	57.2	56.8	57.7	56.3	55.3	55.0	53.4	52.6	52.1	53.0	52.7	52.2	52.2	-9999.0
154	Southeast Bering Sea	58.5	57.2	56.8	56.4	55.4	54.7	54.1	53.7	53.2	52.9	51.9	51.2	50.9	50.7	50.5	49.5	48.3	47.6	48.5	49.0	48.5	48.2	47.7	46.5	45.9	45.6	45.7	45.3	45.6	44.9	-9999.0