1970 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	127.9	130.4	132.7	134.9	131.8	135.9	138.3	140.6	142.8	144.9	146.4	143.0	152.0	154.4	156.4	158.0	161.2	163.6	158.1	165.0	167.0	168.6	170.8	172.8	170.6	160.8	170.7	172.6	174.8	176.3	-9999.0
34	Hudson Bay	154.5	156.2	159.3	159.4	149.2	151.7	152.1	153.7	156.2	157.8	157.8	156.4	172.3	174.1	176.0	178.1	180.6	179.1	160.3	170.4	171.5	171.4	171.4	173.3	155.4	121.6	172.2	173.6	175.1	172.1	-9999.0
36	Hudson Strait	148.6	152.0	154.3	155.7	158.6	162.1	164.9	166.6	166.5	165.5	166.5	172.3	175.1	177.5	180.8	185.2	185.5	187.4	188.9	189.5	191.5	194.1	193.6	192.3	193.3	173.3	198.7	204.3	207.5	207.8	-9999.0
98	Bering Strait	123.6	126.9	128.3	130.2	132.4	134.8	137.6	140.1	142.5	144.5	147.6	149.5	149.3	151.6	153.7	155.1	157.5	160.1	162.9	164.8	166.3	169.1	172.0	175.1	178.4	181.1	182.5	183.1	184.1	186.2	-9999.0
128	Arctic subocean	84.5	88.2	91.9	96.9	101.8	105.8	107.9	111.5	115.6	123.2	129.9	136.5	140.4	143.1	148.6	155.7	163.3	170.3	176.3	178.6	181.4	187.9	195.4	201.8	208.3	210.8	213.1	217.0	221.3	225.8	-9999.0
130	Chukchi Sea	123.2	127.4	130.9	133.1	134.7	137.3	140.5	144.4	147.2	149.8	152.6	154.1	155.4	157.9	159.2	159.2	161.4	164.3	167.2	170.3	171.9	175.8	179.6	183.6	187.4	190.1	192.3	195.3	197.2	199.4	-9999.0
132	Beaufort Sea	131.7	136.3	138.5	139.6	137.3	144.4	147.8	149.2	150.8	152.2	153.6	151.8	159.3	161.3	163.8	165.6	167.4	168.1	153.3	166.1	168.3	170.1	172.2	174.8	173.4	156.3	176.7	177.6	178.3	179.7	-9999.0
134	Arctic Archipelago	112.3	115.6	118.4	121.4	124.1	127.0	129.8	131.9	133.9	136.0	138.5	141.3	143.4	145.3	148.2	152.4	156.7	160.4	165.3	169.2	171.7	173.6	176.3	178.6	181.9	183.6	187.5	190.1	192.5	195.7	-9999.0
136	Foxe Basin	124.9	126.7	129.8	133.5	135.2	135.5	138.2	141.4	145.9	148.9	150.2	151.7	155.8	160.2	160.4	162.1	168.3	170.9	172.9	177.0	182.9	182.9	183.7	186.8	188.9	188.7	193.0	198.4	200.1	202.9	-9999.0
138	Baffin Bay	99.3	103.4	108.8	113.8	116.3	115.7	116.9	120.7	126.4	133.0	139.9	145.5	150.0	153.0	154.4	159.0	164.7	170.6	175.0	178.2	181.3	185.0	191.1	196.0	202.0	208.8	212.4	215.1	219.1	223.1	-9999.0
139	South Greenland	113.0	115.4	119.7	120.8	118.1	120.8	124.4	127.1	130.9	133.2	137.3	141.9	145.0	148.5	151.2	154.2	156.1	157.9	160.3	162.1	164.6	167.8	170.9	171.9	172.6	174.0	176.1	176.2	177.9	181.7	-9999.0
140	Greenland Sea	98.6	102.5	105.4	110.4	115.3	115.1	115.9	119.3	123.7	130.1	137.4	144.8	150.3	154.5	156.8	159.4	164.2	167.7	169.5	170.9	177.6	185.2	189.3	192.9	199.3	203.1	205.3	209.5	215.1	217.9	-9999.0
142	Norwegian Sea	75.3	76.6	78.0	78.7	79.8	80.8	82.5	82.9	84.4	86.1	87.8	88.3	89.8	91.3	91.9	91.6	92.7	94.0	85.7	97.8	99.7	100.8	101.6	102.7	103.9	100.7	106.6	108.3	109.5	110.1	-9999.0
144	Barents Sea	114.2	114.8	115.6	118.3	102.7	121.6	124.3	126.7	127.7	130.5	135.1	130.9	137.9	141.1	145.6	148.0	147.1	151.9	151.3	155.8	155.1	155.0	158.0	161.5	165.0	161.6	155.1	155.4	158.9	159.4	-9999.0
146	Kara Sea	131.6	133.9	136.4	139.2	132.5	136.4	139.4	141.6	143.0	144.1	143.1	128.0	146.7	148.7	149.3	148.9	155.6	158.3	147.5	157.6	160.5	162.2	164.8	164.7	159.9	146.3	145.2	146.8	149.3	151.2	-9999.0
148	Laptev Sea	128.1	130.4	131.2	133.6	136.9	139.9	142.6	145.2	147.7	149.7	151.2	152.1	153.9	156.6	159.7	161.1	161.6	166.0	168.5	173.0	173.2	173.7	175.0	180.0	181.8	178.4	185.2	189.2	191.7	193.8	-9999.0
150	East Siberian Sea	122.0	123.6	125.2	127.5	130.3	132.9	135.5	138.0	140.9	144.6	147.9	150.3	152.7	154.2	156.7	159.0	161.3	162.4	164.5	167.9	170.5	172.6	173.6	174.3	177.8	180.7	181.5	183.4	186.1	188.6	-9999.0
152	Gulf of Alaska	108.8	110.2	110.6	113.3	115.3	116.2	118.4	119.6	121.5	123.1	126.9	126.4	125.4	127.9	129.5	130.9	132.8	134.9	135.6	137.5	138.9	141.9	144.8	146.0	147.9	149.9	149.5	149.9	151.0	153.0	-9999.0
154	Southeast Bering Sea	116.1	119.3	122.1	124.0	125.6	126.8	127.6	130.0	132.2	135.4	136.8	132.7	134.8	137.4	137.4	137.5	139.8	140.4	136.1	144.2	148.0	151.1	152.3	156.3	159.3	159.7	158.5	158.3	159.6	162.0	-9999.0