1990 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	118.7	120.4	122.5	124.8	127.1	128.8	130.8	131.2	128.5	129.7	131.8	133.7	135.9	137.5	137.7	136.3	138.0	139.8	141.5	143.7	144.8	142.7	147.2	149.3	151.5	153.8	154.8	158.9	156.9	160.0	-9999.0
34	Hudson Bay	110.2	135.4	136.5	140.0	143.2	143.4	145.8	144.4	131.7	132.5	133.6	134.9	137.8	140.8	140.9	123.8	124.6	124.1	123.8	124.8	122.0	113.5	106.9	108.0	110.5	116.5	114.5	135.9	148.7	114.3	-9999.0
36	Hudson Strait	149.3	153.8	154.6	154.0	150.3	155.5	159.6	164.5	145.5	147.5	149.0	150.8	154.5	158.6	159.1	180.4	184.7	187.9	190.8	193.0	190.9	192.4	197.9	192.3	194.6	200.5	204.1	207.5	206.7	199.1	-9999.0
98	Bering Strait	122.9	125.6	127.9	128.7	131.3	133.8	134.6	134.5	138.8	139.9	143.2	145.4	147.4	149.6	151.9	156.9	157.3	159.6	161.7	164.2	165.6	165.5	170.1	172.1	174.3	175.9	178.0	180.7	180.6	185.7	-9999.0
128	Arctic subocean	83.9	88.3	92.4	96.1	99.8	103.2	109.0	113.8	115.8	120.7	130.2	134.1	138.7	144.7	150.7	154.4	157.9	161.1	169.6	174.3	177.2	181.9	188.2	191.6	197.8	203.1	205.4	210.9	217.4	223.1	-9999.0
130	Chukchi Sea	123.6	126.1	127.4	129.3	132.9	136.2	138.7	139.3	140.5	143.7	147.3	149.4	152.0	154.5	158.6	162.4	165.8	169.9	173.0	175.2	175.3	177.9	181.9	183.9	183.3	184.8	187.5	191.4	198.1	200.6	-9999.0
132	Beaufort Sea	126.0	133.5	137.2	139.8	140.9	144.5	147.4	150.5	120.5	120.9	124.4	125.6	126.4	128.0	129.9	127.3	127.0	127.4	129.2	131.1	124.3	116.2	133.8	136.8	140.1	142.7	141.9	144.8	144.4	146.4	-9999.0
134	Arctic Archipelago	110.9	112.8	116.5	119.2	120.1	122.7	128.2	130.7	130.2	132.9	140.3	144.4	146.9	149.6	152.8	156.4	160.2	162.9	164.5	165.9	169.7	171.2	174.4	179.0	182.8	183.5	184.6	189.4	191.3	195.1	-9999.0
136	Foxe Basin	124.6	127.1	130.3	132.8	136.3	139.5	141.5	142.3	144.8	144.3	148.3	157.7	161.7	165.5	167.1	168.9	172.3	175.4	179.3	179.1	182.4	186.0	184.9	183.6	191.3	192.9	192.7	193.2	198.9	200.5	-9999.0
138	Baffin Bay	102.3	102.9	107.6	113.7	118.6	121.4	124.4	128.4	131.0	133.3	137.8	144.4	150.4	153.5	157.4	162.4	166.9	171.3	175.3	177.8	185.0	188.3	191.2	194.6	198.9	203.9	205.6	207.7	213.7	219.8	-9999.0
139	South Greenland	114.6	117.5	121.6	122.5	125.5	125.1	126.7	128.6	135.2	138.0	140.5	140.8	144.1	146.5	148.4	151.6	152.8	155.4	153.7	160.7	165.5	168.2	172.4	174.0	176.2	178.4	179.8	181.7	181.7	187.3	-9999.0
140	Greenland Sea	101.6	105.2	109.9	114.7	117.0	120.6	124.3	126.6	131.0	134.5	138.6	143.4	147.1	150.9	154.3	154.3	156.8	161.3	168.7	174.9	181.5	185.1	190.6	193.3	195.2	202.0	209.5	211.7	214.5	220.3	-9999.0
142	Norwegian Sea	59.7	76.1	78.0	80.9	81.6	83.1	84.1	83.5	84.4	86.2	87.6	87.3	90.7	90.1	68.4	93.1	95.2	96.7	97.5	99.8	100.4	94.9	101.3	103.0	103.8	104.4	107.3	108.3	74.4	108.6	-9999.0
144	Barents Sea	107.9	94.2	96.4	93.9	97.5	101.0	102.5	98.3	95.4	95.4	95.0	95.0	94.9	87.1	81.1	106.9	106.4	108.0	110.3	112.5	112.4	101.9	97.8	98.6	99.5	98.0	99.0	93.7	75.3	94.2	-9999.0
146	Kara Sea	122.7	113.1	114.1	116.9	118.7	118.9	120.1	118.8	119.9	119.8	121.1	122.4	123.6	125.2	123.4	116.7	118.9	120.9	122.0	123.1	125.6	124.8	141.5	144.1	144.6	145.3	146.4	147.6	137.1	158.7	-9999.0
148	Laptev Sea	127.4	128.6	130.9	132.9	135.5	138.6	140.9	143.9	146.9	150.1	151.8	153.0	155.7	157.5	158.3	157.3	159.7	162.0	164.9	167.6	170.1	171.4	159.2	162.2	165.0	166.6	168.0	170.3	170.6	165.0	-9999.0
150	East Siberian Sea	121.1	122.2	124.5	126.3	128.3	129.9	132.1	135.5	136.8	137.5	138.8	142.6	146.3	149.7	153.7	156.4	158.7	160.9	163.4	166.6	170.0	172.9	173.4	172.8	176.7	182.6	185.2	185.8	188.0	187.2	-9999.0
152	Gulf of Alaska	108.0	110.1	110.3	111.4	114.9	115.6	118.3	119.1	123.5	124.5	124.7	125.6	128.1	128.9	125.2	133.0	132.0	132.8	134.1	137.5	139.0	137.1	142.5	144.0	145.8	148.0	148.9	147.9	136.0	151.9	-9999.0
154	Southeast Bering Sea	112.1	112.2	113.1	115.3	118.3	117.5	104.6	81.4	122.3	126.8	128.6	130.4	132.1	128.9	121.3	134.8	136.0	136.9	138.0	140.1	136.4	113.0	141.0	148.9	150.6	150.2	152.8	151.0	130.7	157.0	-9999.0