1968 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	127.2	129.5	131.4	133.4	136.0	138.4	136.6	133.2	136.8	139.4	142.1	144.2	146.5	147.2	140.0	148.4	150.1	152.8	155.3	157.7	159.0	160.0	161.9	164.1	165.6	167.3	168.2	160.0	167.0	169.0	-9999.0
34	Hudson Bay	143.4	146.5	147.7	149.0	150.4	149.1	137.2	123.7	142.2	142.7	145.4	146.6	150.3	153.9	134.4	147.9	148.4	149.3	151.4	152.8	145.2	152.6	154.6	155.1	156.8	158.3	156.1	136.0	154.7	155.7	-9999.0
36	Hudson Strait	145.2	150.5	152.0	156.7	159.4	162.4	162.5	163.9	164.2	170.5	172.1	173.6	175.4	178.6	154.0	179.2	180.5	180.4	186.5	188.2	190.3	192.2	190.1	192.2	197.8	194.1	196.2	195.8	206.2	205.7	-9999.0
98	Bering Strait	123.9	125.3	127.0	129.5	132.3	135.5	137.8	139.8	142.2	145.7	148.3	149.1	151.2	153.9	156.8	158.3	159.9	162.6	164.8	166.5	168.2	169.0	170.8	173.3	176.0	177.9	181.0	184.6	186.5	188.3	-9999.0
128	Arctic subocean	87.7	90.4	92.7	97.9	102.2	106.5	110.2	114.4	119.7	125.3	129.7	135.0	141.6	146.2	150.7	155.7	161.4	167.6	174.4	181.1	187.0	192.3	196.5	202.8	203.3	209.4	214.3	221.0	223.5	225.2	-9999.0
130	Chukchi Sea	122.6	124.5	127.5	129.9	131.3	133.7	137.2	140.6	142.7	145.8	149.6	150.0	152.7	156.9	159.7	161.8	164.9	168.2	169.2	171.1	172.3	175.3	178.3	181.4	185.9	188.9	191.8	196.6	199.0	198.7	-9999.0
132	Beaufort Sea	134.2	136.3	137.2	138.1	139.9	142.6	145.2	145.5	144.4	148.8	152.0	155.4	156.8	158.8	161.3	165.5	166.5	167.4	170.2	172.2	174.8	175.3	175.3	177.4	180.8	183.1	181.0	147.3	164.7	166.7	-9999.0
134	Arctic Archipelago	112.1	115.0	117.9	120.1	121.6	124.5	128.4	131.5	135.6	138.5	140.7	143.4	147.5	151.3	154.8	156.7	159.9	163.0	166.4	169.0	171.9	174.7	178.2	182.5	185.6	188.0	189.7	192.2	194.4	196.3	-9999.0
136	Foxe Basin	120.9	124.0	126.5	127.8	132.9	137.1	139.0	143.0	144.3	148.2	153.4	155.5	159.1	162.7	165.6	166.3	171.5	170.6	173.9	177.8	181.0	183.9	184.5	187.5	193.0	193.0	193.5	194.1	200.3	203.6	-9999.0
138	Baffin Bay	100.9	102.2	104.8	109.4	114.5	118.0	120.5	125.3	129.7	133.5	137.7	143.0	145.9	151.8	155.0	161.6	163.0	168.5	174.6	179.2	183.6	188.4	193.3	198.4	201.7	205.5	209.5	212.3	209.2	212.5	-9999.0
139	South Greenland	111.0	111.1	112.9	115.3	118.5	120.8	123.2	125.0	128.5	131.7	135.1	134.3	137.1	140.0	141.1	143.3	143.7	149.3	151.5	155.9	158.7	161.4	164.5	167.1	167.3	169.5	171.7	170.6	174.4	175.7	-9999.0
140	Greenland Sea	104.6	104.8	105.1	109.9	117.3	122.0	125.4	126.2	129.8	134.3	138.4	142.6	145.2	148.7	155.0	160.0	163.3	169.9	176.1	181.2	186.4	188.6	193.0	193.0	194.7	201.9	207.9	215.0	219.7	220.1	-9999.0
142	Norwegian Sea	74.6	75.6	76.4	78.4	79.5	82.2	84.0	83.8	85.0	85.8	85.5	87.0	88.2	88.9	76.1	92.3	93.2	94.2	95.3	95.0	90.3	94.7	95.4	95.8	98.4	97.6	99.4	77.0	106.3	107.0	-9999.0
144	Barents Sea	116.4	118.4	122.4	119.8	119.6	121.8	88.0	84.3	115.8	121.6	122.3	122.3	124.2	127.4	126.8	121.9	125.4	124.4	124.8	128.1	131.6	127.2	130.5	132.3	131.3	132.5	138.8	140.1	150.4	149.9	-9999.0
146	Kara Sea	134.6	137.6	139.1	141.6	145.1	148.4	149.5	140.3	133.1	134.6	137.4	139.7	140.9	135.5	114.9	134.8	136.5	140.6	142.3	144.7	150.1	144.4	145.3	147.0	147.1	147.6	146.6	133.1	142.0	145.3	-9999.0
148	Laptev Sea	126.3	128.2	130.8	132.9	134.9	137.3	138.9	139.8	143.8	146.4	148.7	152.0	154.7	156.6	158.1	158.0	159.5	162.2	165.5	167.6	165.3	171.5	173.4	176.8	178.9	181.5	184.6	185.7	178.7	180.4	-9999.0
150	East Siberian Sea	120.4	123.0	125.1	127.7	131.1	133.7	136.3	139.9	141.8	143.6	146.8	149.3	151.9	154.6	156.9	159.3	161.2	162.7	165.1	167.6	169.2	172.4	178.2	180.0	180.4	183.2	185.2	188.9	192.4	195.8	-9999.0
152	Gulf of Alaska	109.5	109.6	110.7	112.7	114.5	117.8	118.5	120.0	123.4	126.6	127.8	126.2	127.9	131.0	133.3	133.1	134.2	137.3	139.9	140.8	141.7	141.2	142.1	144.1	146.1	146.7	148.1	149.8	153.4	155.2	-9999.0
154	Southeast Bering Sea	113.5	114.3	117.3	119.5	123.1	127.6	130.8	133.4	135.3	135.9	133.8	133.2	136.9	140.0	141.9	142.0	145.6	147.3	145.8	147.2	145.5	149.6	151.6	153.1	154.0	155.3	155.4	156.7	164.5	164.6	-9999.0