1977 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	70.2	69.0	68.3	67.7	66.7	65.7	64.8	63.8	62.8	62.2	61.4	60.5	59.8	58.9	58.6	58.5	59.2	57.8	57.1	56.0	55.0	53.9	53.4	53.9	59.7	58.5	57.4	56.3	55.5	55.0	-9999.0
34	Hudson Bay	61.9	61.7	61.1	60.4	60.0	59.6	59.1	58.3	57.8	57.6	57.2	56.6	56.0	55.5	55.1	55.0	55.1	54.7	54.4	53.8	53.0	52.0	51.0	51.4	50.8	50.3	50.1	49.8	49.2	48.4	-9999.0
36	Hudson Strait	59.1	59.5	59.2	58.5	57.9	57.0	56.5	57.8	58.2	56.3	57.0	55.7	55.1	54.3	54.1	53.9	53.5	53.4	52.9	51.6	50.8	50.6	51.5	48.9	48.7	48.1	47.7	47.5	47.4	46.8	-9999.0
98	Bering Strait	60.7	60.1	60.1	59.7	59.1	58.2	57.3	56.6	55.6	55.4	54.4	54.0	53.6	53.2	52.3	51.0	57.9	58.8	58.0	57.5	55.3	52.2	54.0	55.8	56.0	55.5	54.1	52.6	53.0	55.8	-9999.0
128	Arctic subocean	109.7	106.3	101.8	98.5	94.2	90.7	88.1	84.0	78.4	78.0	75.9	73.6	71.5	69.2	65.7	61.7	58.4	54.8	51.7	48.6	45.3	42.4	39.8	36.6	33.7	31.3	29.0	26.5	24.0	21.9	-9999.0
130	Chukchi Sea	53.5	52.7	51.9	51.5	50.9	50.1	49.6	49.4	49.0	48.1	47.3	46.9	45.9	45.4	45.2	44.5	43.6	43.1	42.9	42.8	42.1	41.5	40.3	40.6	40.5	40.5	39.5	39.8	40.9	40.9	-9999.0
132	Beaufort Sea	60.7	60.5	59.4	58.7	58.0	57.1	56.3	55.7	55.0	55.0	54.1	53.0	52.7	52.4	51.7	51.0	52.7	52.1	51.3	50.3	49.7	48.8	48.4	48.3	47.6	47.1	46.7	46.2	45.0	45.2	-9999.0
134	Arctic Archipelago	89.1	87.5	86.4	84.5	83.3	82.4	80.4	78.3	75.9	74.3	73.6	72.5	72.5	72.2	70.6	68.4	71.5	69.0	67.2	65.5	63.0	58.1	56.2	58.5	56.1	53.8	52.5	51.3	49.1	46.8	-9999.0
136	Foxe Basin	80.3	77.9	71.6	70.3	69.6	69.0	68.1	71.5	74.9	70.4	68.6	67.5	67.0	65.8	64.7	65.4	69.9	67.5	64.8	63.8	61.5	59.2	56.0	56.3	55.6	54.1	51.9	50.3	48.6	48.2	-9999.0
138	Baffin Bay	124.3	119.4	114.9	112.0	107.9	104.8	101.5	98.1	95.0	91.7	89.3	86.8	83.6	80.1	78.4	75.7	71.8	67.4	65.2	63.0	60.5	58.7	55.9	52.7	50.6	48.0	45.2	42.8	40.4	38.6	-9999.0
139	South Greenland	121.5	120.1	119.5	117.6	115.6	112.2	109.4	108.8	105.8	104.9	103.1	99.8	98.3	96.4	91.3	86.2	85.0	84.0	83.3	81.5	81.5	78.9	77.5	77.1	73.9	70.3	68.8	67.5	65.3	63.9	-9999.0
140	Greenland Sea	132.5	129.2	124.8	121.7	118.8	113.6	110.2	106.1	103.7	99.1	96.4	94.4	91.1	87.4	83.9	79.9	74.7	69.9	69.0	67.0	64.1	61.7	60.2	56.6	54.3	49.5	46.4	43.3	41.3	39.5	-9999.0
142	Norwegian Sea	50.2	49.2	49.3	49.1	48.1	48.0	47.8	47.3	46.8	46.5	45.9	45.5	44.8	44.0	43.5	42.8	45.8	51.1	50.6	49.1	48.9	47.4	43.5	42.6	45.6	45.0	43.2	42.2	36.8	35.4	-9999.0
144	Barents Sea	55.7	55.5	54.6	53.3	52.9	52.3	51.9	51.5	51.4	50.8	49.5	49.1	48.7	48.0	47.6	46.6	46.3	46.1	46.4	45.8	44.8	44.1	43.8	43.0	43.7	42.8	41.7	41.1	40.6	41.2	-9999.0
146	Kara Sea	64.0	63.2	63.1	62.9	62.1	61.5	61.1	60.0	59.6	58.7	58.4	57.7	56.9	56.2	56.5	56.1	55.2	54.0	53.4	52.8	52.4	52.3	52.2	52.1	62.9	62.2	61.4	60.5	60.3	60.4	-9999.0
148	Laptev Sea	63.7	61.3	59.7	60.2	59.2	58.5	58.2	57.6	57.5	56.8	55.1	54.7	54.4	53.6	57.1	62.8	64.4	59.3	58.3	56.3	55.5	55.5	55.1	55.8	75.5	73.8	72.4	71.0	70.7	69.8	-9999.0
150	East Siberian Sea	59.4	59.9	59.0	57.0	56.2	55.6	54.7	53.9	53.5	53.0	53.0	52.2	51.6	50.7	50.1	51.8	54.4	56.7	55.5	54.3	52.9	53.7	56.0	60.5	71.4	69.8	67.4	64.9	63.2	59.8	-9999.0
152	Gulf of Alaska	78.7	73.7	85.3	88.9	87.5	85.4	84.2	80.3	68.5	76.4	79.5	79.1	78.3	77.1	72.9	59.5	76.0	77.8	77.2	76.2	70.5	59.2	58.7	70.5	70.6	69.6	67.1	64.8	59.8	60.7	-9999.0
154	Southeast Bering Sea	74.3	63.3	71.4	76.3	75.1	73.0	72.9	66.8	58.1	64.7	69.2	68.8	67.2	66.5	56.0	49.5	57.0	58.7	58.4	57.3	56.3	54.1	52.0	56.0	57.3	56.7	54.7	55.2	58.4	58.0	-9999.0