1968 09 - daily  - mean of NCEP mean Daily Clear Sky Downward Longwave 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	254.6	248.6	244.9	242.6	243.2	245.7	243.1	241.9	243.1	244.7	245.4	242.3	240.5	240.5	240.0	238.6	237.5	235.1	233.1	229.4	227.9	225.6	222.6	221.1	221.5	222.7	223.2	222.3	220.2	213.9	-9999.0
34	Hudson Bay	281.7	280.7	283.4	287.3	280.9	273.2	269.8	266.5	272.1	283.1	290.8	292.4	294.3	295.9	303.6	300.2	295.1	292.1	295.0	289.2	286.8	282.8	278.9	268.2	259.4	255.0	250.8	247.7	261.0	267.0	-9999.0
36	Hudson Strait	269.2	252.2	249.2	271.4	290.5	304.4	303.0	274.1	257.8	242.9	241.7	240.0	235.3	232.2	250.4	262.4	295.7	304.4	307.1	300.1	292.1	261.7	236.6	243.0	260.9	259.0	246.9	238.0	235.2	236.7	-9999.0
98	Bering Strait	250.1	246.8	243.2	243.4	249.2	247.0	240.8	236.9	235.6	237.8	237.1	234.6	228.7	228.2	233.0	231.2	225.3	227.7	223.3	223.7	218.8	214.7	207.0	198.9	199.3	206.9	213.5	217.5	217.2	214.5	-9999.0
128	Arctic subocean	181.9	180.3	180.8	182.4	183.6	185.2	183.3	187.6	199.9	196.1	187.1	177.9	171.1	175.5	180.0	175.7	169.7	171.5	174.6	165.0	159.2	161.9	160.6	157.1	163.0	168.4	167.1	163.5	156.1	148.8	-9999.0
130	Chukchi Sea	256.6	259.0	254.2	246.5	241.8	237.5	233.9	231.4	231.8	243.3	236.1	231.6	232.4	226.6	222.0	216.6	221.9	217.1	218.9	224.5	229.7	217.3	202.3	198.1	202.1	194.6	196.6	201.2	202.3	208.8	-9999.0
132	Beaufort Sea	260.8	254.9	245.5	240.0	239.6	244.7	241.8	246.7	254.4	261.3	265.6	260.1	255.5	249.8	244.9	243.8	243.2	235.1	224.3	220.3	222.6	226.3	225.7	228.6	232.1	230.8	229.8	245.9	246.0	233.0	-9999.0
134	Arctic Archipelago	235.5	231.9	220.9	217.3	216.6	225.3	218.7	215.7	218.1	222.1	231.8	233.3	229.4	238.6	236.6	232.1	227.8	225.6	220.2	209.2	198.0	199.0	202.6	203.3	204.0	204.8	207.2	209.9	208.1	198.2	-9999.0
136	Foxe Basin	225.1	230.6	230.7	229.3	235.1	251.4	253.9	237.1	229.7	222.8	224.1	224.8	227.3	232.1	237.5	243.4	256.4	259.9	241.1	230.2	217.8	203.6	196.7	196.6	199.0	199.6	200.3	209.1	211.5	211.5	-9999.0
138	Baffin Bay	173.3	159.3	154.0	151.5	156.8	167.9	177.0	201.5	209.3	201.5	187.7	181.8	183.9	190.5	196.3	192.7	183.8	180.1	182.0	168.3	156.3	151.0	153.0	149.4	150.6	143.5	145.3	158.4	155.8	142.1	-9999.0
139	South Greenland	203.1	186.8	180.7	175.4	185.7	204.5	205.3	217.0	215.3	203.1	208.6	218.2	215.5	210.4	205.7	206.5	209.5	206.7	211.3	198.4	185.3	167.7	170.2	177.2	168.4	161.0	150.6	141.6	145.7	147.5	-9999.0
140	Greenland Sea	170.0	161.6	155.7	161.0	158.4	182.9	180.1	176.8	206.4	203.0	190.4	192.6	186.3	181.0	173.9	165.0	157.7	148.5	148.6	144.6	141.3	136.4	127.8	133.1	131.8	130.3	129.3	135.8	135.9	129.1	-9999.0
142	Norwegian Sea	290.6	297.7	296.3	300.1	302.2	300.2	294.0	286.5	284.2	280.0	269.8	250.8	243.9	240.4	241.9	243.8	241.1	228.9	237.6	232.8	237.1	241.9	230.0	220.2	216.2	224.6	249.4	269.5	267.8	257.3	-9999.0
144	Barents Sea	248.5	259.0	282.9	296.9	293.2	282.4	255.2	244.2	239.1	239.9	240.2	246.0	246.2	250.3	251.0	241.6	226.0	220.0	221.5	222.5	232.4	234.2	248.5	262.5	259.1	247.1	231.5	219.9	230.5	233.2	-9999.0
146	Kara Sea	269.4	255.2	238.9	231.0	235.0	238.2	234.9	238.7	243.1	247.3	246.9	238.6	235.7	235.1	231.1	236.2	241.1	236.6	232.3	231.0	232.7	231.0	224.6	222.7	229.9	240.2	248.8	243.4	227.1	211.9	-9999.0
148	Laptev Sea	254.2	255.5	262.8	254.0	248.9	255.5	261.1	254.7	245.6	242.3	241.2	235.2	232.5	232.0	229.8	224.7	221.0	222.5	222.9	221.0	220.4	221.8	221.0	218.7	216.1	214.0	210.4	208.5	208.3	207.6	-9999.0
150	East Siberian Sea	264.6	255.0	255.2	257.6	257.6	248.5	249.6	235.4	232.1	229.3	227.3	225.1	232.6	236.5	235.5	226.5	220.1	224.8	225.0	224.4	221.0	222.7	215.6	208.8	205.8	207.2	208.3	212.3	218.4	207.2	-9999.0
152	Gulf of Alaska	253.3	252.5	254.2	264.6	277.4	270.0	263.6	258.4	253.8	250.5	245.3	240.3	236.7	237.3	243.4	241.0	238.0	240.2	237.3	232.3	226.5	220.9	216.3	222.9	227.4	239.7	248.6	244.7	234.7	215.9	-9999.0
154	Southeast Bering Sea	259.9	259.2	264.3	266.1	266.4	271.2	275.2	273.0	263.7	260.7	260.7	260.4	258.0	252.0	241.5	230.9	241.8	246.0	226.9	220.6	219.6	224.1	232.6	233.1	228.9	240.5	247.5	233.1	208.8	206.5	-9999.0