1978 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	119.0	128.4	130.3	132.5	134.9	136.3	136.5	134.4	138.1	140.2	142.3	145.0	147.6	144.8	144.2	152.5	154.4	156.5	158.6	160.2	155.7	157.3	166.2	168.1	169.9	171.8	170.3	159.2	167.8	178.6	-9999.0
34	Hudson Bay	142.7	144.0	144.4	146.5	148.1	141.8	138.3	146.1	146.2	147.5	149.8	151.9	154.4	156.5	162.5	162.5	163.3	166.4	168.9	169.3	165.4	172.8	174.7	175.9	176.2	177.3	160.6	132.8	173.3	173.9	-9999.0
36	Hudson Strait	152.8	156.7	154.4	156.5	158.9	159.6	160.2	161.4	165.3	166.1	166.9	169.6	175.3	177.2	182.2	184.6	184.7	185.9	185.9	191.1	192.3	192.5	193.7	197.3	201.9	201.1	202.4	204.4	204.8	203.7	-9999.0
98	Bering Strait	124.0	126.9	129.7	131.3	133.2	134.9	136.7	139.2	141.1	143.4	146.4	148.2	149.1	146.7	151.0	155.9	157.8	159.1	161.5	163.8	163.7	166.3	170.5	173.0	175.0	176.0	174.8	158.1	174.7	185.2	-9999.0
128	Arctic subocean	84.0	89.7	94.1	99.2	101.9	106.4	110.3	117.3	121.7	125.5	130.9	135.9	140.8	147.8	151.6	157.7	161.9	163.5	166.5	173.5	179.0	181.0	184.9	190.6	195.4	203.3	211.9	215.2	218.5	221.5	-9999.0
130	Chukchi Sea	126.3	128.3	131.3	132.8	133.0	136.5	140.5	143.6	145.8	149.4	152.2	153.6	154.2	152.1	156.3	161.7	165.4	165.1	167.2	171.9	174.7	176.8	179.0	181.5	184.2	187.5	189.3	187.4	192.3	197.5	-9999.0
132	Beaufort Sea	133.4	135.9	138.1	139.9	143.2	146.8	146.4	147.7	149.9	150.7	153.8	157.6	160.0	162.1	163.4	165.0	167.5	169.4	171.3	171.8	157.0	179.4	183.1	183.3	185.9	185.7	176.8	123.1	167.9	178.2	-9999.0
134	Arctic Archipelago	112.4	116.5	119.4	121.7	124.2	128.1	130.3	132.5	135.2	137.7	138.4	139.7	145.5	149.7	150.9	153.9	158.6	160.1	163.0	167.1	171.6	172.7	176.2	179.0	182.1	184.1	187.3	187.6	189.1	190.3	-9999.0
136	Foxe Basin	127.4	128.9	128.8	134.6	138.7	139.5	139.4	141.4	145.6	146.3	149.1	152.3	154.7	162.4	163.3	166.1	169.3	173.6	175.2	175.9	177.1	179.5	182.5	187.9	190.4	188.5	192.6	196.7	199.9	200.3	-9999.0
138	Baffin Bay	105.3	107.6	109.0	112.0	115.6	121.2	127.5	128.2	129.2	134.5	140.9	143.5	146.2	152.0	157.2	163.6	163.8	163.9	166.4	173.2	175.1	176.7	181.6	185.6	191.0	200.5	206.3	207.9	212.3	217.1	-9999.0
139	South Greenland	113.5	115.5	114.2	115.5	119.7	122.0	125.8	127.1	129.6	131.1	135.2	140.6	142.0	143.3	144.6	144.8	145.4	148.1	152.2	155.2	156.8	160.7	163.9	163.4	164.8	168.0	173.4	172.2	172.9	176.8	-9999.0
140	Greenland Sea	101.3	106.4	107.9	109.4	112.8	114.3	121.8	129.6	130.8	135.5	140.5	146.6	149.1	152.4	154.7	158.1	158.1	160.0	164.8	170.8	175.2	179.6	183.5	187.7	189.6	193.8	203.8	208.7	212.6	217.9	-9999.0
142	Norwegian Sea	71.6	77.7	78.0	80.1	80.1	79.7	72.5	71.4	84.9	87.5	88.6	89.7	90.9	92.0	93.4	95.2	96.5	97.0	97.3	99.0	98.6	96.2	101.2	104.2	106.7	107.4	108.3	108.9	109.9	111.8	-9999.0
144	Barents Sea	74.9	114.4	118.5	120.9	123.4	125.9	127.7	130.7	135.2	138.2	136.8	139.1	136.1	94.8	98.0	144.5	147.4	152.2	155.6	156.3	156.6	158.9	165.0	166.5	167.5	169.0	170.8	173.3	174.6	166.9	-9999.0
146	Kara Sea	111.0	132.0	134.5	137.1	139.0	142.4	140.1	122.5	134.6	137.2	138.8	141.8	145.6	140.8	128.8	139.7	141.4	142.6	143.5	143.8	131.9	122.8	144.9	147.0	148.5	150.5	151.9	146.2	140.0	162.2	-9999.0
148	Laptev Sea	126.7	128.7	131.0	133.3	135.5	136.4	138.9	142.4	136.8	137.9	139.3	141.5	144.7	143.9	146.2	156.6	159.4	162.5	165.2	167.2	166.7	167.6	173.7	175.7	177.7	179.7	181.0	178.7	172.2	191.7	-9999.0
150	East Siberian Sea	120.9	123.6	125.8	129.0	131.3	133.9	135.6	137.2	139.5	142.8	145.3	147.3	149.6	152.3	155.5	158.8	160.7	162.2	164.9	167.6	170.9	173.1	175.2	177.6	180.4	181.7	182.8	186.0	189.4	191.8	-9999.0
152	Gulf of Alaska	107.3	110.0	112.3	112.8	115.6	115.7	116.3	117.8	120.2	122.5	124.4	126.1	127.7	126.1	129.2	132.4	133.6	135.4	137.6	135.1	127.7	137.1	143.2	144.3	145.3	145.5	145.7	136.8	148.8	153.9	-9999.0
154	Southeast Bering Sea	113.1	120.7	120.4	117.9	122.2	121.7	122.7	125.4	127.8	132.4	132.7	132.6	126.3	90.8	118.6	141.2	144.5	144.6	145.0	142.4	131.4	136.6	151.0	152.2	153.9	155.3	145.2	90.9	124.2	146.6	-9999.0