2009 04 - 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	208.8	212.3	216.1	219.8	223.9	227.8	231.6	235.5	239.7	243.2	246.7	250.3	253.7	257.0	260.4	263.8	266.6	270.8	274.7	277.8	281.3	285.0	288.1	291.5	294.9	298.2	301.5	304.9	308.3	311.3	-9999.0
34	Hudson Bay	249.1	252.3	255.7	259.6	263.6	266.0	267.6	272.2	277.5	280.5	281.3	282.5	285.1	288.4	291.3	293.0	296.7	303.7	307.0	308.1	309.4	312.5	316.4	320.4	324.2	326.8	327.0	332.7	333.3	334.6	-9999.0
36	Hudson Strait	236.2	237.1	242.1	247.7	249.4	252.1	255.0	253.2	257.5	263.5	270.1	275.1	275.2	279.5	288.5	294.5	295.8	297.3	296.6	301.4	303.9	294.8	300.8	305.6	309.6	319.7	320.9	325.6	326.6	325.4	-9999.0
98	Bering Strait	203.0	207.5	211.1	213.4	217.2	220.5	223.6	226.4	230.8	235.1	237.5	240.8	245.3	249.3	252.9	256.5	258.3	261.4	266.2	270.4	275.9	278.9	279.0	282.8	286.5	287.0	289.6	293.3	298.7	303.9	-9999.0
128	Arctic subocean	109.1	115.4	122.6	129.0	135.0	141.4	146.4	151.1	158.0	166.0	171.5	177.8	184.3	190.6	194.1	199.8	205.8	212.1	221.2	222.9	229.5	237.5	241.7	248.4	257.6	265.6	268.9	276.9	283.1	286.8	-9999.0
130	Chukchi Sea	186.1	190.5	194.0	197.4	201.0	204.5	205.4	209.3	216.0	223.2	225.4	226.5	229.5	234.6	240.9	242.5	244.6	249.9	254.1	258.3	261.8	263.3	263.9	270.1	273.4	272.3	278.6	282.1	283.5	287.4	-9999.0
132	Beaufort Sea	214.3	217.9	221.4	224.7	226.5	230.1	233.9	236.9	239.7	242.5	246.6	249.7	252.9	258.0	262.8	267.0	268.4	270.5	275.4	278.3	281.8	287.9	293.3	294.7	297.0	299.8	303.0	306.3	308.2	310.2	-9999.0
134	Arctic Archipelago	167.4	171.4	176.2	180.9	185.4	187.6	194.0	199.5	203.2	204.6	208.1	215.6	218.5	221.4	225.4	230.5	232.6	239.2	245.1	249.4	251.9	258.5	262.6	267.2	271.6	274.9	279.6	275.9	284.3	291.6	-9999.0
136	Foxe Basin	182.6	187.5	190.7	194.9	201.2	208.7	208.2	212.8	216.5	223.4	225.6	227.5	236.8	242.8	246.5	250.9	249.4	248.8	257.8	265.0	265.0	266.8	267.9	273.6	277.8	282.1	288.9	291.4	291.7	296.6	-9999.0
138	Baffin Bay	135.4	141.3	147.4	153.1	159.0	163.7	168.4	174.1	181.0	186.6	188.5	192.3	201.5	210.3	216.7	220.7	223.8	226.5	230.0	233.1	238.2	244.5	249.8	257.2	263.6	268.7	275.8	279.6	282.5	285.1	-9999.0
139	South Greenland	195.2	194.1	198.3	201.9	208.3	213.2	218.7	221.2	224.0	225.7	233.1	237.8	242.8	244.6	242.3	243.3	251.0	252.8	257.4	262.1	269.5	272.9	279.1	281.0	283.0	289.8	293.6	296.1	298.5	302.8	-9999.0
140	Greenland Sea	134.6	138.1	145.6	152.9	158.1	164.3	169.8	171.9	177.0	184.5	191.1	192.7	198.8	206.4	211.3	213.3	220.8	226.2	228.7	230.5	237.6	248.3	255.2	258.6	264.7	270.8	278.3	282.0	284.2	282.0	-9999.0
142	Norwegian Sea	191.3	192.3	196.6	204.0	206.7	209.7	213.7	215.1	218.1	219.5	222.0	228.0	235.1	242.3	248.5	250.5	253.2	259.3	259.5	266.2	265.3	268.2	272.7	271.2	277.7	279.8	286.0	287.5	292.7	294.6	-9999.0
144	Barents Sea	188.7	194.1	201.0	206.7	210.4	213.7	218.2	221.4	224.2	225.7	227.5	228.8	231.7	237.0	243.2	250.8	253.5	256.2	259.7	266.0	271.0	270.9	272.8	277.1	281.4	282.8	286.2	290.8	294.0	303.1	-9999.0
146	Kara Sea	224.3	227.8	230.6	233.2	238.1	243.7	247.7	252.1	255.6	260.2	263.4	266.0	267.9	270.3	273.5	277.0	279.5	284.3	287.9	289.6	292.8	296.0	298.2	300.8	303.4	306.2	310.6	314.3	317.4	318.8	-9999.0
148	Laptev Sea	204.2	207.9	211.1	214.6	217.1	220.0	224.5	228.5	234.4	236.8	241.9	249.2	253.2	255.3	257.4	260.2	263.0	265.5	268.3	272.2	275.2	279.6	282.5	286.1	289.6	292.4	294.4	297.5	303.4	307.9	-9999.0
150	East Siberian Sea	188.7	193.6	198.4	202.9	207.5	211.2	215.1	219.0	221.6	225.5	229.8	232.8	236.3	239.3	241.3	243.9	244.7	251.2	258.4	262.5	267.1	271.3	274.5	276.2	281.5	289.0	293.3	294.1	296.0	299.2	-9999.0
152	Gulf of Alaska	227.0	230.7	231.4	233.7	237.0	240.4	244.3	248.4	251.6	253.1	256.0	260.6	265.6	267.1	269.1	271.7	275.4	278.9	282.9	287.9	293.2	298.2	295.3	298.9	300.1	299.3	304.1	310.8	316.7	320.5	-9999.0
154	Southeast Bering Sea	225.2	225.3	229.8	236.7	239.7	236.0	237.8	245.9	248.9	250.5	254.6	260.4	266.6	265.5	269.4	276.0	277.4	281.4	282.3	285.3	291.9	289.0	289.4	295.3	293.4	293.5	298.3	302.2	306.4	311.9	-9999.0