1968 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	95.3	98.1	101.0	103.9	106.8	109.0	112.0	115.4	118.5	121.4	124.3	126.8	130.1	134.1	137.9	141.3	144.7	148.1	151.6	155.4	159.1	163.1	166.3	169.4	172.5	175.6	179.3	183.0	186.2	190.6	-9999.0
34	Hudson Bay	139.3	142.3	145.3	148.4	152.0	155.8	158.2	160.9	164.7	166.7	168.0	168.6	172.1	177.1	181.0	182.5	186.9	190.5	193.5	196.8	200.8	204.6	207.6	209.7	212.7	215.5	218.0	221.0	224.6	227.7	-9999.0
36	Hudson Strait	118.1	121.7	127.6	129.6	130.4	136.1	140.0	141.8	144.1	147.2	150.5	152.9	150.9	155.0	160.0	165.6	168.7	173.3	177.1	179.9	186.4	186.0	191.7	195.0	198.1	201.9	205.5	206.2	206.2	210.9	-9999.0
98	Bering Strait	81.3	84.2	87.1	90.8	93.4	96.1	100.5	102.0	105.2	109.7	113.9	115.6	118.0	121.5	125.0	127.4	130.3	133.7	136.8	139.9	143.6	148.8	152.6	155.8	157.0	160.5	165.8	168.1	173.4	176.7	-9999.0
128	Arctic subocean	5.0	5.5	6.4	7.9	9.1	10.7	11.8	13.1	15.1	17.8	20.7	23.6	26.4	29.4	32.0	34.7	38.0	42.2	45.6	48.5	53.2	56.2	58.8	63.0	67.8	70.9	74.8	80.6	84.2	91.6	-9999.0
130	Chukchi Sea	62.6	66.5	72.7	74.9	76.2	82.3	85.4	87.0	90.1	92.2	92.7	95.2	99.1	102.4	105.0	109.0	113.2	116.1	119.0	124.1	127.3	129.8	135.3	140.9	139.5	145.7	151.6	155.7	159.0	159.6	-9999.0
132	Beaufort Sea	96.4	100.1	102.8	106.3	109.7	111.8	115.2	119.9	121.7	123.8	126.3	129.6	135.1	140.0	142.9	145.4	147.7	150.1	152.6	155.1	159.2	163.1	166.4	169.5	172.2	174.7	178.6	182.0	185.5	192.6	-9999.0
134	Arctic Archipelago	52.2	52.9	54.3	58.5	64.6	64.7	67.5	72.1	74.3	77.3	80.4	84.6	89.0	93.9	98.7	101.9	100.8	101.1	105.7	109.9	113.0	120.1	120.9	123.1	126.5	127.4	129.2	143.7	144.5	155.7	-9999.0
136	Foxe Basin	69.0	71.8	75.7	74.5	79.4	83.8	85.3	87.4	88.3	91.9	96.2	100.3	106.0	108.1	111.3	119.2	122.9	125.0	126.1	129.8	135.7	142.1	144.5	146.9	147.9	148.5	148.2	151.2	164.9	162.3	-9999.0
138	Baffin Bay	22.0	24.2	26.7	28.7	30.8	31.8	32.1	35.1	38.3	41.4	45.8	48.7	51.4	54.9	58.7	62.4	66.5	70.0	73.5	78.6	83.3	87.6	90.7	92.4	96.6	99.1	101.6	103.8	109.4	117.1	-9999.0
139	South Greenland	69.2	70.9	73.7	76.5	81.0	79.4	82.0	87.2	89.1	92.0	96.3	101.3	105.4	108.5	112.1	116.6	121.1	125.9	127.5	133.3	136.9	142.5	147.1	149.8	152.9	155.4	157.5	158.5	159.2	164.3	-9999.0
140	Greenland Sea	18.9	20.4	22.4	23.6	24.9	27.7	28.9	31.6	34.8	37.9	40.8	44.2	47.3	50.7	54.0	57.1	60.8	65.2	69.0	72.7	76.8	80.6	82.8	88.4	94.9	98.9	102.9	106.1	105.4	112.8	-9999.0
142	Norwegian Sea	82.8	86.1	88.1	88.0	92.5	94.7	97.5	98.6	107.8	108.7	107.3	110.2	113.1	117.0	122.7	128.3	134.3	136.5	138.1	142.5	150.3	148.0	151.6	156.5	161.5	170.4	177.2	176.7	172.9	182.9	-9999.0
144	Barents Sea	78.2	82.0	85.8	89.7	92.7	96.7	101.1	105.1	106.3	107.5	110.9	113.3	116.3	118.7	122.1	126.5	130.7	134.7	137.2	139.7	143.4	149.2	152.5	153.9	159.5	164.1	168.7	172.0	179.6	183.7	-9999.0
146	Kara Sea	116.2	119.1	121.7	124.6	126.6	127.8	132.0	136.5	140.5	143.2	145.7	148.0	151.1	156.1	159.8	163.1	166.2	169.8	173.6	177.3	180.3	183.3	186.6	190.6	193.6	196.7	201.8	205.3	207.1	209.7	-9999.0
148	Laptev Sea	90.1	92.5	95.2	98.3	101.0	104.3	106.1	107.7	110.4	114.9	118.7	121.3	124.0	126.8	131.3	135.7	139.1	142.3	148.3	153.4	156.9	160.1	162.6	164.6	167.2	171.3	174.6	179.3	183.7	189.0	-9999.0
150	East Siberian Sea	71.9	76.3	79.3	81.2	84.0	85.5	88.0	90.8	93.6	96.4	98.0	100.2	103.7	107.4	111.8	117.0	122.9	127.7	128.5	130.9	136.0	142.0	148.1	154.0	157.8	159.6	162.2	163.2	164.3	167.6	-9999.0
152	Gulf of Alaska	107.0	108.5	110.6	113.7	117.9	118.0	121.5	123.9	127.4	132.3	140.1	144.7	145.9	148.1	151.3	152.0	154.4	157.2	159.2	163.8	169.5	172.3	173.9	177.6	178.5	181.3	184.5	187.3	193.4	199.2	-9999.0
154	Southeast Bering Sea	103.3	105.2	108.1	111.7	115.1	118.1	121.2	123.8	128.3	132.9	137.9	142.5	144.7	145.6	145.7	148.5	153.9	154.8	157.7	163.1	166.4	170.6	175.3	175.1	175.7	179.1	184.5	187.2	195.1	199.2	-9999.0