1980 04 - 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	119.2	121.6	123.9	126.5	128.8	129.3	124.4	126.0	128.2	130.1	131.8	133.1	131.2	132.4	134.4	136.7	139.2	140.6	138.3	137.7	143.8	145.5	147.2	148.5	150.1	149.4	144.1	155.4	158.4	160.2	-9999.0
34	Hudson Bay	133.0	135.3	137.1	138.7	138.8	132.7	128.1	128.9	129.4	130.2	131.3	133.2	121.3	117.3	120.6	120.3	121.1	121.2	102.9	97.3	104.8	106.7	108.2	106.9	107.8	100.0	94.8	99.3	104.9	105.8	-9999.0
36	Hudson Strait	149.5	150.9	153.9	160.0	158.7	163.0	145.2	147.8	147.9	149.4	149.5	158.3	156.0	173.8	179.1	186.9	186.1	187.8	190.5	188.6	190.5	190.1	192.6	193.8	193.7	200.3	199.6	202.6	203.0	206.8	-9999.0
98	Bering Strait	122.0	123.7	126.5	130.0	132.1	133.6	135.9	138.4	140.8	143.4	145.5	148.1	150.8	154.7	157.6	160.5	162.7	164.3	165.4	168.5	170.3	172.4	174.7	176.6	178.1	178.5	163.0	180.1	183.0	185.2	-9999.0
128	Arctic subocean	88.0	92.2	97.3	101.1	104.7	108.5	112.6	117.6	122.0	127.8	133.4	139.7	145.6	147.8	149.8	157.4	163.0	167.4	174.3	180.7	184.8	190.4	195.4	198.1	201.8	207.8	214.2	214.1	218.4	223.3	-9999.0
130	Chukchi Sea	118.3	120.7	123.3	126.1	129.8	134.4	137.3	139.1	140.9	145.8	149.8	152.5	154.2	155.1	158.1	161.4	164.2	166.9	167.9	169.8	172.1	174.1	175.3	177.5	180.1	181.8	180.8	185.9	184.7	187.1	-9999.0
132	Beaufort Sea	130.7	132.6	134.9	138.9	141.9	143.1	113.8	115.4	117.7	119.0	119.6	111.2	93.9	120.1	121.2	123.1	124.4	126.7	112.5	109.3	129.0	129.3	130.1	132.4	130.3	123.0	102.2	133.1	136.2	139.7	-9999.0
134	Arctic Archipelago	113.2	117.0	119.9	123.4	126.0	129.6	130.4	132.4	135.6	140.2	141.2	143.5	147.4	152.2	155.4	156.6	158.9	160.8	164.3	166.5	170.3	174.2	176.4	178.5	180.3	182.7	182.7	186.5	189.8	191.2	-9999.0
136	Foxe Basin	123.1	126.9	132.1	136.1	139.7	137.4	139.6	143.3	147.3	149.8	153.9	156.8	160.7	164.0	168.7	171.1	173.1	176.0	177.3	178.3	175.9	178.6	184.0	185.5	190.1	190.9	194.0	198.3	199.3	201.1	-9999.0
138	Baffin Bay	104.3	107.4	110.7	114.0	117.5	121.9	125.5	127.2	132.9	137.5	142.8	148.8	153.3	156.2	160.4	163.6	171.5	174.6	175.8	179.8	184.0	187.0	187.4	193.2	199.3	204.3	209.2	211.8	216.9	221.8	-9999.0
139	South Greenland	114.7	117.5	116.4	120.0	120.1	122.6	124.7	129.2	133.6	136.1	139.8	143.0	144.3	146.2	146.6	147.4	152.6	152.4	152.2	156.4	163.4	164.8	163.4	167.8	173.4	174.9	174.5	179.9	183.3	184.0	-9999.0
140	Greenland Sea	104.5	108.2	111.7	114.3	117.1	120.9	123.8	127.2	132.3	135.1	139.7	144.4	149.2	148.9	155.0	162.6	167.8	171.4	173.0	174.8	182.7	189.4	191.7	194.0	198.7	202.5	202.5	204.3	211.1	215.8	-9999.0
142	Norwegian Sea	75.4	75.9	77.4	78.7	77.2	63.3	81.9	84.1	85.6	86.5	87.6	86.8	73.8	90.4	92.3	92.6	94.4	96.5	98.2	99.1	99.8	100.3	101.3	105.1	107.3	106.4	102.1	107.6	108.4	111.1	-9999.0
144	Barents Sea	93.0	94.2	96.3	98.9	100.3	102.1	91.2	92.5	96.0	96.9	98.8	101.4	102.4	114.1	117.1	120.4	120.0	118.9	118.3	103.0	103.8	102.2	104.3	100.4	102.3	103.7	102.9	101.4	102.7	104.1	-9999.0
146	Kara Sea	112.1	114.8	117.7	119.6	123.0	123.6	115.2	115.8	117.1	118.5	119.5	120.9	121.1	112.5	112.6	115.4	118.9	120.1	122.0	122.2	137.5	138.6	140.0	141.5	142.8	142.0	135.7	161.0	163.1	165.1	-9999.0
148	Laptev Sea	130.3	132.4	134.2	136.7	139.5	142.0	144.3	146.2	148.1	150.2	152.0	153.4	155.3	154.3	156.5	158.5	160.6	162.5	165.0	166.9	155.3	157.0	160.0	161.2	163.4	166.4	167.9	161.7	163.4	164.3	-9999.0
150	East Siberian Sea	122.0	124.3	126.3	128.8	131.2	133.3	135.9	138.6	141.8	144.7	146.5	148.4	150.5	154.6	157.6	160.6	163.3	166.3	168.7	170.6	172.7	175.8	178.2	180.9	182.1	184.1	186.3	186.0	188.1	190.0	-9999.0
152	Gulf of Alaska	106.2	107.8	110.4	113.2	113.0	112.4	117.1	118.7	121.7	122.7	122.5	124.8	127.0	129.9	133.0	133.7	135.2	136.1	136.1	138.2	139.4	141.7	144.1	146.5	146.3	145.2	132.9	150.3	152.3	153.1	-9999.0
154	Southeast Bering Sea	110.4	112.5	113.5	115.3	115.5	103.0	121.2	123.1	125.3	128.2	130.9	132.9	132.6	135.0	136.6	139.1	139.5	141.8	143.8	149.2	149.9	151.4	152.4	155.0	157.3	150.5	85.0	142.2	156.9	158.9	-9999.0