1974 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	70.0	76.4	76.1	75.2	74.0	73.0	71.7	69.0	80.4	79.6	78.1	76.8	75.5	72.7	68.6	76.5	76.1	74.8	73.6	72.2	69.2	64.6	69.7	68.4	67.1	66.0	64.5	64.1	62.3	59.1	-9999.0
34	Hudson Bay	62.7	63.7	62.9	62.6	61.7	61.3	61.5	61.2	62.9	62.0	61.4	61.1	60.5	59.6	59.1	60.3	60.0	59.1	58.9	58.7	58.4	57.6	56.1	55.5	55.4	55.1	54.5	55.6	56.8	53.7	-9999.0
36	Hudson Strait	58.9	60.9	60.7	60.0	59.2	58.7	58.1	56.7	55.8	56.1	55.1	54.4	54.1	55.8	53.9	54.2	53.9	53.8	52.6	51.4	53.4	52.8	51.2	49.8	48.0	47.8	47.1	47.5	46.9	53.2	-9999.0
98	Bering Strait	60.5	77.3	82.7	82.5	81.5	80.5	77.6	70.1	110.1	111.3	108.1	105.2	103.6	86.5	72.1	97.0	96.3	94.7	92.7	90.1	76.3	67.2	87.6	85.6	84.2	82.8	81.5	80.5	77.8	76.5	-9999.0
128	Arctic subocean	111.7	106.1	102.4	98.8	94.4	89.4	84.8	81.9	78.4	75.6	74.2	69.8	66.2	63.4	60.1	58.3	55.5	53.8	52.4	49.6	46.5	44.1	41.5	38.6	35.6	33.0	30.9	28.2	25.2	23.0	-9999.0
130	Chukchi Sea	54.0	67.9	76.2	75.5	74.2	72.6	69.5	59.8	77.3	83.0	80.7	78.5	76.6	74.6	70.8	77.3	75.3	73.6	71.9	70.7	68.1	63.2	65.5	63.6	62.6	61.2	59.9	58.4	56.5	56.3	-9999.0
132	Beaufort Sea	66.7	68.8	68.6	68.7	68.1	67.9	67.2	65.6	72.2	71.1	70.2	68.2	66.7	62.4	58.1	71.7	71.7	71.1	70.2	68.7	62.4	55.4	67.7	66.6	66.1	66.3	65.8	72.1	72.1	61.1	-9999.0
134	Arctic Archipelago	87.0	95.5	95.2	93.6	91.5	89.7	91.1	87.8	91.0	89.0	87.8	86.5	84.2	81.9	80.0	80.7	78.9	77.9	77.4	74.6	72.9	69.4	68.9	67.0	65.2	62.6	60.7	60.0	58.6	54.3	-9999.0
136	Foxe Basin	64.6	81.4	79.6	78.4	76.7	76.5	74.2	71.7	75.3	73.3	72.3	71.7	70.8	70.4	69.0	74.7	73.4	71.7	70.5	68.9	68.6	68.0	63.9	61.8	59.7	59.4	57.6	57.1	55.6	48.5	-9999.0
138	Baffin Bay	118.8	116.3	114.5	112.2	108.8	106.2	103.2	99.8	97.1	94.4	91.5	87.0	84.1	82.7	79.0	75.5	73.6	72.5	69.6	66.6	63.1	60.5	57.2	54.7	52.1	50.0	47.0	43.4	41.2	39.1	-9999.0
139	South Greenland	119.6	121.5	117.2	113.8	112.1	110.1	107.9	106.6	106.5	104.5	101.2	98.5	97.7	95.8	93.0	93.3	91.8	89.4	86.6	84.5	82.3	79.7	78.9	78.0	75.8	73.8	69.7	67.5	65.9	63.5	-9999.0
140	Greenland Sea	131.5	126.9	123.7	118.5	116.0	113.1	107.7	104.3	101.5	98.7	95.2	91.4	88.0	84.6	81.9	81.2	77.8	74.5	72.3	69.7	66.6	63.8	61.4	59.5	55.9	53.4	50.9	47.0	43.4	41.0	-9999.0
142	Norwegian Sea	49.8	49.2	48.7	48.2	47.8	47.5	47.1	46.3	60.8	60.7	60.3	59.0	58.7	53.5	42.3	44.2	43.8	43.7	43.2	42.8	41.7	40.6	46.6	46.4	45.0	44.4	43.8	42.5	35.4	47.4	-9999.0
144	Barents Sea	56.8	56.2	55.2	54.2	53.5	52.4	51.9	51.6	50.8	50.7	50.1	51.4	51.4	50.8	49.4	50.3	49.3	48.2	47.8	47.3	46.3	43.6	56.1	54.1	53.9	52.5	50.9	46.8	39.0	47.1	-9999.0
146	Kara Sea	64.3	67.5	66.8	66.3	65.5	64.9	63.8	62.6	76.2	76.0	74.9	73.9	72.8	70.8	65.6	74.2	75.5	74.6	73.7	72.4	69.2	62.6	70.4	69.5	68.5	67.4	65.9	65.1	63.5	59.5	-9999.0
148	Laptev Sea	62.2	72.0	73.0	71.9	70.6	69.7	68.2	64.9	87.5	86.0	84.4	83.1	81.8	80.0	75.3	94.0	92.2	90.4	88.7	87.7	86.6	80.6	82.3	80.6	78.8	77.3	76.0	74.6	71.9	66.5	-9999.0
150	East Siberian Sea	59.2	100.6	99.6	98.3	96.1	94.3	91.2	79.4	104.7	102.9	101.2	99.5	98.0	95.8	93.2	92.1	90.6	88.5	86.3	84.3	82.3	80.2	79.8	77.9	76.0	74.0	71.9	70.3	68.4	67.2	-9999.0
152	Gulf of Alaska	69.6	90.5	94.3	94.0	93.6	92.7	88.0	78.3	94.3	91.4	88.8	87.4	86.3	64.9	59.2	88.1	88.2	86.9	84.5	82.4	68.8	62.9	83.9	82.3	81.6	80.2	79.0	79.2	78.8	76.6	-9999.0
154	Southeast Bering Sea	58.1	57.4	56.8	56.3	55.6	55.4	55.1	54.8	57.1	57.0	55.4	54.9	54.7	52.9	49.8	52.8	52.9	52.1	51.6	50.2	47.9	46.3	72.9	71.8	71.2	70.7	69.6	67.8	63.3	67.2	-9999.0