1990 09 - daily  - mean of NCEP mean Daily Clear Sky Downward 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	94.0	96.7	99.3	101.8	104.6	107.7	110.7	113.5	116.8	120.4	123.7	127.2	130.3	133.2	136.2	139.4	143.4	147.1	150.0	152.9	156.3	159.7	163.5	167.7	171.5	175.5	178.4	182.1	186.0	189.6	-9999.0
34	Hudson Bay	136.5	139.0	141.2	143.5	147.3	151.4	154.9	157.5	161.0	164.4	166.4	169.3	172.6	177.6	179.6	181.1	183.6	187.8	190.6	194.5	196.6	197.2	199.8	205.2	209.8	213.9	215.8	220.5	224.8	228.7	-9999.0
36	Hudson Strait	122.9	125.2	125.9	123.5	124.4	128.3	133.1	135.3	140.6	144.4	145.7	148.8	152.5	157.2	162.7	161.5	165.3	169.4	170.1	173.5	179.2	183.9	184.4	184.8	187.8	193.9	199.3	199.5	203.6	210.2	-9999.0
98	Bering Strait	81.2	84.2	86.3	89.2	92.2	93.0	97.9	100.9	105.5	107.7	111.0	115.3	117.4	122.3	125.9	128.5	134.6	138.9	141.9	142.4	146.5	153.7	154.8	158.6	164.2	166.2	166.3	171.5	180.1	183.6	-9999.0
128	Arctic subocean	4.2	4.9	5.8	7.0	8.3	9.7	11.3	13.4	15.3	17.7	19.9	22.3	25.5	27.9	31.4	34.0	36.3	38.8	43.1	47.2	51.3	54.0	56.1	59.0	62.2	66.7	71.8	77.8	83.2	89.5	-9999.0
130	Chukchi Sea	65.8	67.8	68.2	72.8	73.3	76.4	81.7	87.0	91.2	91.2	93.7	96.6	101.1	105.0	106.9	112.6	122.8	125.0	124.2	124.9	133.0	139.5	143.4	144.8	151.0	147.2	149.8	158.2	168.4	167.9	-9999.0
132	Beaufort Sea	94.0	96.8	99.8	103.0	106.9	110.1	112.1	114.8	119.0	122.1	125.7	128.1	132.6	133.4	135.6	139.2	143.6	148.3	151.5	155.1	156.5	159.7	169.0	170.1	174.3	181.4	183.6	184.0	187.0	195.0	-9999.0
134	Arctic Archipelago	47.7	49.5	52.1	54.4	57.4	60.6	63.1	69.0	70.7	77.8	79.9	83.0	87.7	86.0	90.0	92.5	94.4	97.9	104.0	109.7	113.3	111.2	114.2	122.5	125.1	128.7	136.9	142.1	144.1	148.1	-9999.0
136	Foxe Basin	68.4	67.8	67.1	69.3	72.2	76.3	78.5	82.3	89.8	90.5	97.8	98.2	99.5	107.0	106.4	109.6	112.9	113.2	118.1	122.3	129.7	135.6	132.1	131.9	138.9	141.5	147.1	150.2	157.8	161.7	-9999.0
138	Baffin Bay	20.6	22.2	23.7	26.0	27.5	29.6	31.3	33.8	37.5	41.3	44.5	47.9	51.9	54.1	56.9	61.1	64.4	65.0	66.4	71.9	76.3	83.0	81.3	82.3	86.3	92.2	98.2	103.3	109.0	113.7	-9999.0
139	South Greenland	67.1	70.7	73.1	76.3	77.0	78.6	81.3	83.8	87.3	91.9	96.3	102.2	106.6	108.7	109.1	114.3	119.8	122.0	123.7	123.7	129.1	134.1	141.2	140.0	140.4	142.4	147.1	152.1	158.2	159.7	-9999.0
140	Greenland Sea	16.9	19.5	21.6	24.2	26.1	27.6	29.8	30.7	32.9	36.1	39.0	43.1	47.5	51.3	54.3	57.3	60.0	64.4	66.8	68.8	72.8	77.4	83.2	83.6	85.6	88.7	94.1	99.8	104.1	108.3	-9999.0
142	Norwegian Sea	76.2	80.4	83.2	87.5	93.3	93.9	99.6	101.1	105.7	104.5	106.1	112.7	114.5	120.1	120.7	130.3	131.4	131.2	134.8	137.4	143.4	149.4	151.1	156.7	158.9	169.9	175.6	173.7	171.9	174.3	-9999.0
144	Barents Sea	83.8	85.5	86.9	89.2	90.5	96.9	98.4	101.9	102.9	109.0	112.0	114.7	120.3	122.2	125.9	126.4	131.1	137.4	136.5	139.6	140.5	145.2	151.9	159.4	164.1	167.5	169.2	172.8	178.5	182.1	-9999.0
146	Kara Sea	115.3	118.0	121.7	123.2	126.8	129.6	133.2	136.5	139.0	141.7	144.9	148.2	149.2	152.0	157.2	161.1	165.1	167.8	171.3	173.9	178.5	181.8	184.9	189.8	193.3	196.3	198.9	202.3	204.3	206.5	-9999.0
148	Laptev Sea	87.7	90.8	93.5	97.6	99.3	103.0	103.9	106.1	110.6	115.2	119.5	123.5	127.2	129.1	129.3	133.4	138.7	143.3	146.9	149.6	151.0	155.0	159.6	164.7	168.8	175.2	177.2	179.1	183.7	187.9	-9999.0
150	East Siberian Sea	68.6	71.5	74.9	77.3	81.1	85.2	89.9	90.5	91.6	97.0	101.6	104.6	110.2	115.7	120.3	122.5	124.0	127.9	130.0	133.1	137.6	140.3	143.8	148.6	151.2	153.1	159.7	166.1	167.0	168.6	-9999.0
152	Gulf of Alaska	105.8	109.7	112.4	113.6	117.5	116.8	119.6	123.5	127.9	131.7	133.5	139.6	140.7	144.5	147.6	150.9	156.3	159.3	162.8	165.6	169.0	177.9	176.2	180.7	186.1	189.2	188.1	191.8	200.5	206.7	-9999.0
154	Southeast Bering Sea	104.9	110.8	111.8	112.1	113.3	114.2	120.3	123.0	127.6	129.3	132.9	139.3	141.7	143.7	147.7	152.1	156.8	161.2	162.0	162.7	168.9	171.6	175.6	178.9	186.5	184.8	186.0	190.6	199.8	200.3	-9999.0