1980 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	257.3	254.4	253.4	253.8	252.2	249.9	248.7	243.4	240.5	241.1	241.4	240.7	239.4	241.1	236.2	231.0	226.3	224.8	227.9	226.9	224.9	222.6	221.7	220.9	221.9	220.9	218.8	218.3	217.4	215.5	-9999.0
34	Hudson Bay	283.0	282.3	282.9	286.8	285.2	283.5	291.7	292.3	263.1	262.1	265.8	264.7	261.9	256.1	253.6	239.9	231.2	223.8	240.2	252.5	250.7	243.0	228.1	222.2	219.3	224.6	221.9	231.6	245.2	246.2	-9999.0
36	Hudson Strait	264.8	263.5	256.5	245.5	261.1	278.0	263.8	254.7	249.2	259.9	252.7	247.2	239.2	237.4	223.2	227.1	256.0	234.2	217.1	214.8	223.3	233.3	246.2	223.0	210.1	205.7	195.3	197.6	199.5	208.9	-9999.0
98	Bering Strait	234.1	221.7	219.7	229.6	226.2	225.5	230.2	227.8	231.2	232.6	229.8	224.0	232.2	246.0	249.7	233.8	223.8	227.5	224.3	212.5	205.5	204.8	202.1	208.3	209.5	216.1	222.4	217.0	212.0	213.0	-9999.0
128	Arctic subocean	200.0	194.4	188.7	207.4	214.0	198.4	189.7	194.1	192.7	183.6	175.8	160.0	147.4	164.1	166.7	161.9	158.4	153.5	145.5	147.4	147.6	151.2	157.6	158.7	159.7	163.2	169.0	170.3	169.3	160.3	-9999.0
130	Chukchi Sea	205.5	216.9	229.5	235.6	216.6	223.0	237.2	236.6	231.5	233.1	235.4	233.4	238.4	242.0	233.0	222.3	236.6	237.9	231.2	207.3	197.1	193.1	189.9	194.8	199.2	207.2	207.6	203.5	196.1	200.5	-9999.0
132	Beaufort Sea	262.1	261.5	257.7	257.6	255.2	255.1	247.5	234.0	250.1	254.9	247.5	240.4	237.7	245.6	238.3	236.1	222.5	223.4	226.9	218.0	202.2	201.4	202.8	200.9	213.6	208.7	221.3	233.1	237.4	236.4	-9999.0
134	Arctic Archipelago	238.7	238.3	242.5	242.6	241.9	237.9	238.6	222.9	210.9	217.1	204.7	197.2	191.2	189.5	181.2	181.0	188.3	191.0	188.7	182.4	176.5	174.8	174.3	166.7	172.4	172.9	170.0	165.6	171.2	178.3	-9999.0
136	Foxe Basin	240.6	234.0	234.5	235.8	236.6	237.7	238.5	238.8	240.1	238.4	238.5	230.5	224.6	216.7	201.3	201.1	205.2	215.0	211.8	204.5	211.1	206.8	208.9	215.4	219.0	207.0	201.2	198.3	190.8	187.1	-9999.0
138	Baffin Bay	187.0	188.4	177.5	187.0	196.5	192.0	184.0	177.1	177.2	189.6	183.0	158.1	145.1	135.7	137.0	136.9	150.3	160.8	166.0	159.4	154.8	156.0	162.5	170.6	174.7	173.2	169.4	164.3	158.5	154.2	-9999.0
139	South Greenland	193.7	189.7	187.8	183.5	175.7	167.2	162.0	170.2	176.1	180.2	176.4	175.1	175.8	175.8	167.4	166.2	164.8	178.7	188.3	171.8	162.7	182.5	197.8	191.2	182.6	176.3	169.9	164.0	154.6	147.4	-9999.0
140	Greenland Sea	180.3	183.2	170.6	166.6	183.1	183.4	176.7	169.2	164.6	164.7	168.5	162.0	125.7	122.5	127.3	135.2	142.6	140.2	152.0	150.9	145.9	142.4	154.4	162.3	167.6	174.5	183.0	171.9	158.9	150.1	-9999.0
142	Norwegian Sea	254.8	272.3	270.7	267.1	268.5	272.1	283.4	275.4	265.2	250.5	242.2	246.1	266.0	268.5	250.6	246.6	282.0	270.0	258.1	257.0	258.2	253.7	256.5	261.1	256.1	251.1	259.9	270.7	250.8	246.4	-9999.0
144	Barents Sea	247.6	248.6	249.0	251.2	250.8	251.4	261.7	264.4	272.2	290.7	290.2	283.2	288.3	288.9	282.8	277.5	274.1	274.4	279.2	282.9	269.6	249.6	239.6	238.5	237.4	235.0	232.8	221.1	223.7	223.9	-9999.0
146	Kara Sea	276.2	269.8	268.9	268.1	268.2	268.7	263.3	252.5	247.9	242.5	250.7	260.1	262.3	264.6	258.6	255.6	249.4	245.6	247.3	249.0	256.6	256.3	259.5	261.5	262.4	253.7	243.2	238.9	233.3	227.7	-9999.0
148	Laptev Sea	282.9	281.8	278.4	271.5	262.8	250.8	243.0	240.0	247.4	251.5	250.5	244.8	237.5	236.1	231.7	225.8	218.5	218.0	218.1	214.9	210.7	206.4	203.5	205.8	209.6	214.7	218.7	220.6	216.5	214.3	-9999.0
150	East Siberian Sea	217.0	224.0	233.5	241.0	238.1	236.0	249.5	245.4	237.6	226.3	220.6	230.3	234.2	241.0	238.4	236.8	233.5	229.8	228.3	229.1	224.8	219.3	218.2	208.4	201.9	201.5	197.8	197.5	199.6	202.4	-9999.0
152	Gulf of Alaska	250.6	226.2	222.3	225.7	229.4	233.6	238.1	248.4	244.7	236.8	234.8	230.2	257.6	286.8	285.5	263.3	235.1	231.6	229.7	227.6	238.2	243.5	235.3	240.0	237.6	252.0	249.7	240.4	242.3	241.2	-9999.0
154	Southeast Bering Sea	256.3	220.6	232.7	240.8	241.3	241.0	245.3	249.4	259.4	259.6	252.4	262.2	281.5	299.1	287.0	268.1	258.2	248.3	247.5	255.4	266.4	254.9	246.7	252.0	249.1	265.6	251.1	247.2	236.7	228.0	-9999.0