1991 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	117.8	120.1	122.0	124.1	126.2	126.7	125.6	125.2	127.1	129.3	131.5	133.2	131.6	126.6	134.0	135.7	137.3	138.8	140.6	139.2	133.4	145.2	147.1	148.9	150.7	152.5	154.9	152.8	158.7	161.6	-9999.0
34	Hudson Bay	132.7	133.1	134.5	136.5	138.4	126.4	121.1	128.0	129.5	131.6	132.7	133.8	122.6	105.5	119.0	121.2	122.8	124.2	125.1	117.9	109.8	108.2	108.8	110.3	111.1	111.5	115.6	116.6	114.1	117.2	-9999.0
36	Hudson Strait	147.3	151.1	151.7	154.9	159.2	162.2	163.8	143.7	145.4	147.4	150.7	149.0	157.6	159.5	181.2	182.9	183.7	185.2	185.9	189.1	190.8	191.3	187.4	190.6	199.0	200.1	202.6	204.5	204.1	204.1	-9999.0
98	Bering Strait	123.7	125.9	128.1	130.4	132.6	135.5	138.2	138.9	141.3	143.1	143.8	145.8	148.9	150.0	153.0	155.0	157.0	159.1	161.7	161.8	153.1	166.9	170.3	171.8	173.8	175.7	177.6	171.2	182.2	183.1	-9999.0
128	Arctic subocean	83.6	88.2	93.0	98.2	102.7	106.7	111.1	115.3	121.5	127.7	133.4	137.9	142.4	145.6	148.8	154.5	159.4	164.9	172.4	175.2	179.1	181.3	187.2	191.9	195.9	199.7	204.0	208.8	216.3	221.3	-9999.0
130	Chukchi Sea	123.6	127.1	130.2	132.6	135.8	139.9	141.7	144.3	146.9	148.2	148.1	150.6	154.0	156.9	158.9	160.9	162.8	165.2	169.5	170.8	170.8	176.3	179.5	181.9	184.0	184.1	185.0	183.5	188.6	191.7	-9999.0
132	Beaufort Sea	131.3	135.0	137.4	138.8	141.7	143.9	144.1	117.8	119.0	121.3	122.6	122.5	114.9	104.8	124.0	124.3	125.8	127.0	129.0	124.0	115.4	130.6	133.5	134.9	137.5	139.9	143.6	138.0	142.5	144.2	-9999.0
134	Arctic Archipelago	109.3	112.8	117.2	119.0	121.3	123.9	127.2	130.5	133.4	136.6	140.6	142.1	146.8	149.3	151.9	155.4	156.7	158.4	160.9	164.6	169.3	171.6	175.7	176.4	177.6	180.7	183.0	185.7	189.9	193.1	-9999.0
136	Foxe Basin	123.4	126.0	127.6	132.8	135.7	136.6	139.0	141.3	145.0	149.2	151.2	155.6	159.3	164.1	165.2	164.8	166.5	167.1	173.2	175.4	177.5	178.3	179.8	185.8	188.4	190.1	192.4	193.6	194.1	198.5	-9999.0
138	Baffin Bay	102.8	105.2	108.6	113.9	118.3	121.8	125.2	128.9	133.3	138.1	141.9	146.4	151.4	155.1	156.6	156.7	160.1	164.3	169.2	174.2	180.8	184.8	186.1	190.8	195.5	198.7	203.9	208.0	211.5	216.2	-9999.0
139	South Greenland	112.1	117.4	119.9	123.1	125.8	128.6	130.8	133.6	135.6	138.8	141.5	142.1	144.4	143.2	141.2	140.5	145.1	145.4	151.5	154.1	155.9	163.5	166.6	169.7	171.6	174.1	174.1	174.4	178.5	179.3	-9999.0
140	Greenland Sea	100.7	105.2	108.8	113.0	117.6	121.7	125.5	128.5	132.8	134.7	137.8	144.4	147.9	154.1	156.9	157.5	161.6	166.1	169.7	176.2	180.7	185.3	186.6	190.5	195.7	201.0	205.3	207.3	209.3	214.3	-9999.0
142	Norwegian Sea	75.5	75.1	76.4	77.8	79.3	77.9	55.8	82.9	84.5	84.5	85.2	86.3	85.5	66.2	92.5	93.4	96.5	98.2	99.8	100.5	101.1	101.2	103.5	104.6	105.6	107.3	107.0	104.5	109.9	110.6	-9999.0
144	Barents Sea	93.6	95.3	92.4	91.2	94.6	95.5	74.5	87.6	89.6	91.1	92.4	93.0	80.4	72.4	108.5	110.4	112.1	114.5	116.7	116.7	103.4	101.1	105.3	105.2	107.7	108.8	109.0	98.1	99.8	101.9	-9999.0
146	Kara Sea	111.2	112.6	114.4	116.2	116.8	119.3	117.8	115.4	116.5	117.7	119.4	121.0	120.0	112.4	116.7	117.6	117.3	118.1	118.3	115.4	105.4	140.0	141.6	143.5	144.1	145.8	148.1	142.5	160.2	165.6	-9999.0
148	Laptev Sea	124.9	128.2	130.4	132.6	135.0	137.4	139.8	142.2	144.0	147.5	151.1	153.1	155.5	156.9	155.8	159.6	162.6	163.2	165.1	165.3	162.3	157.5	157.8	159.5	161.9	163.5	165.9	169.7	164.8	165.5	-9999.0
150	East Siberian Sea	118.6	121.1	123.8	126.1	128.4	130.3	133.1	136.2	138.8	140.6	144.7	149.0	150.7	151.9	154.7	156.5	158.4	161.2	164.0	166.7	169.1	171.6	174.9	176.8	177.9	179.9	182.1	184.0	184.0	186.6	-9999.0
152	Gulf of Alaska	109.0	109.4	111.1	112.1	113.8	116.1	117.2	118.3	121.1	122.1	123.9	124.2	126.1	125.9	128.8	130.6	132.5	133.7	135.5	134.7	126.7	140.6	142.5	143.1	144.9	146.6	148.4	145.2	151.3	151.9	-9999.0
154	Southeast Bering Sea	115.9	116.6	119.1	121.6	122.9	125.5	125.0	127.8	130.3	133.1	135.5	136.1	136.1	131.0	137.1	138.4	142.2	142.3	143.0	133.1	88.5	144.6	147.2	148.4	149.4	151.1	147.2	106.7	155.8	157.4	-9999.0