1971 04 - daily  - mean of NCEP mean Daily Clear Sky Downward 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	125.7	122.9	119.6	116.7	113.9	110.5	107.6	104.9	101.9	99.3	96.6	93.8	91.1	88.8	86.0	83.3	80.8	78.1	76.1	73.7	71.4	69.3	67.0	64.9	63.1	61.2	59.1	57.1	55.0	53.3	-9999.0
34	Hudson Bay	166.7	162.8	161.9	159.1	156.7	152.4	150.0	148.3	145.3	142.2	139.2	135.3	133.8	132.2	128.7	125.7	121.8	118.6	116.3	114.3	111.7	109.9	107.2	105.5	103.4	101.5	98.6	95.8	94.2	91.6	-9999.0
36	Hudson Strait	149.1	146.1	140.0	139.2	135.7	132.1	130.9	127.4	123.9	122.0	116.7	116.6	112.0	110.4	108.1	104.5	103.5	99.3	98.5	92.4	91.4	91.8	85.2	84.9	82.2	80.9	77.7	76.6	74.0	72.3	-9999.0
98	Bering Strait	114.2	112.1	109.0	105.4	102.3	98.3	94.9	91.8	89.0	86.6	83.6	80.8	78.3	76.3	73.9	71.5	69.3	66.7	63.4	60.1	56.8	54.6	52.0	50.2	49.1	47.5	45.6	43.1	41.2	40.0	-9999.0
128	Arctic subocean	19.6	17.3	15.5	13.7	11.9	10.5	9.0	7.5	6.3	5.5	4.7	4.0	3.4	2.9	2.4	1.9	1.6	1.3	1.0	0.9	0.7	0.6	0.4	0.4	0.3	0.2	0.2	0.2	0.2	0.2	-9999.0
130	Chukchi Sea	98.0	95.5	91.1	87.1	84.1	81.4	78.0	74.4	71.4	68.9	65.8	63.0	61.6	59.5	57.6	55.7	53.6	51.2	48.0	43.4	40.0	39.0	36.1	34.7	34.1	32.2	29.8	28.4	26.9	26.2	-9999.0
132	Beaufort Sea	124.1	125.0	121.0	118.3	115.5	111.1	109.1	105.6	102.6	99.6	96.9	95.6	93.5	90.5	87.4	83.7	82.0	79.5	77.4	73.8	71.8	69.6	67.7	65.2	62.5	60.1	58.2	57.2	53.9	51.5	-9999.0
134	Arctic Archipelago	77.8	73.5	71.3	68.6	65.4	62.8	60.3	57.7	55.2	52.8	50.7	48.3	45.3	43.7	41.4	38.5	36.0	33.5	31.8	30.1	27.6	25.8	24.6	23.3	21.9	20.5	19.3	18.1	17.0	15.6	-9999.0
136	Foxe Basin	95.1	92.6	88.0	84.9	81.1	77.6	75.5	72.9	69.6	67.3	64.3	62.1	61.1	56.3	54.2	52.0	50.1	46.2	44.2	43.5	41.4	39.2	36.4	34.3	32.5	30.8	29.1	27.5	26.2	25.2	-9999.0
138	Baffin Bay	43.3	40.9	38.8	36.1	33.5	31.4	28.5	26.1	24.3	22.7	20.7	18.6	16.8	15.3	13.6	12.3	11.1	10.0	8.7	7.9	7.4	6.6	5.7	5.0	4.5	3.9	3.5	3.1	2.7	2.4	-9999.0
139	South Greenland	96.0	93.5	90.5	87.3	83.8	81.1	78.7	75.3	72.3	69.3	66.7	63.6	60.6	58.5	55.3	53.8	52.8	50.2	48.5	45.3	43.1	41.8	40.3	38.7	36.5	34.3	32.1	30.0	28.3	27.1	-9999.0
140	Greenland Sea	39.8	37.1	34.5	31.8	29.8	28.2	26.9	23.9	21.5	19.7	17.9	16.1	14.1	12.3	11.0	9.5	8.5	7.6	6.8	5.9	5.2	4.6	4.0	3.3	2.7	2.3	1.9	1.6	1.4	1.2	-9999.0
142	Norwegian Sea	109.2	104.9	102.4	99.7	96.5	93.8	91.4	87.9	85.8	83.0	80.1	78.1	74.4	71.8	68.8	66.0	63.9	61.0	60.0	57.8	55.2	52.7	49.5	46.6	44.6	42.9	41.5	40.5	39.1	36.6	-9999.0
144	Barents Sea	109.4	107.2	103.9	101.3	98.8	94.1	91.9	89.2	86.1	83.8	81.0	78.0	74.8	72.2	69.7	66.8	64.1	61.6	59.4	56.5	53.8	52.5	51.1	49.0	46.4	44.0	41.5	39.8	38.4	36.8	-9999.0
146	Kara Sea	149.0	146.5	142.9	140.2	137.0	133.5	129.7	127.2	124.4	121.6	119.1	115.5	112.7	110.4	107.4	104.7	101.4	98.4	96.7	94.9	92.3	89.6	87.0	84.5	82.8	80.9	79.0	75.7	72.8	71.3	-9999.0
148	Laptev Sea	123.6	118.7	114.4	111.1	109.4	107.3	104.1	100.5	96.8	94.8	92.1	89.8	85.9	82.9	80.3	77.4	75.7	73.2	70.8	68.5	66.5	64.6	62.0	59.2	57.2	55.0	52.4	51.3	49.3	47.4	-9999.0
150	East Siberian Sea	107.4	104.6	99.9	95.7	91.6	88.9	87.2	84.6	81.2	77.3	75.3	72.9	70.8	67.7	64.1	62.1	59.4	56.8	54.1	52.0	50.1	47.2	44.0	42.5	40.1	38.1	36.5	34.9	33.8	31.4	-9999.0
152	Gulf of Alaska	139.9	136.6	132.5	130.5	126.0	123.2	118.5	115.4	112.0	110.4	108.2	104.6	102.4	100.3	97.9	95.9	94.3	91.9	88.3	84.3	80.2	76.9	74.7	72.8	70.8	70.0	68.5	65.4	63.4	62.0	-9999.0
154	Southeast Bering Sea	139.1	135.8	132.7	130.3	126.8	121.8	117.3	114.3	112.6	110.7	106.0	103.2	101.3	99.1	98.0	95.7	93.3	89.5	87.1	80.4	77.6	75.2	72.2	72.1	69.7	69.3	66.1	64.5	61.9	61.2	-9999.0