1950 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	257.7	258.2	257.6	257.3	253.6	252.2	251.5	249.9	249.5	247.8	246.4	243.0	241.6	239.5	238.4	239.0	241.3	243.1	244.8	245.9	243.7	241.8	238.1	238.3	238.7	238.2	235.7	231.5	229.8	231.2	-9999.0
34	Hudson Bay	281.4	284.4	286.6	294.8	294.5	291.2	290.8	275.9	261.7	255.0	256.6	259.6	270.3	274.0	262.9	253.0	256.2	260.7	256.4	261.8	266.7	272.6	260.1	272.6	283.3	289.5	288.9	275.2	255.9	249.0	-9999.0
36	Hudson Strait	247.8	231.1	245.2	248.5	250.8	265.0	249.9	246.9	253.4	227.0	222.8	235.6	234.3	244.3	246.0	235.9	216.5	212.5	214.0	206.0	206.3	213.3	222.9	227.1	223.7	220.3	244.2	261.7	270.5	251.1	-9999.0
98	Bering Strait	246.6	247.0	244.4	239.6	238.3	236.4	240.1	243.8	248.9	242.6	246.1	242.0	237.4	238.1	240.4	240.3	242.4	239.7	237.6	235.3	231.1	236.1	226.3	217.9	211.3	210.9	216.3	226.3	233.5	247.2	-9999.0
128	Arctic subocean	205.5	206.7	196.2	193.9	189.4	176.0	175.1	175.0	177.8	178.3	174.1	171.1	172.1	171.9	161.7	162.7	167.7	169.6	173.0	176.9	165.3	156.9	160.0	165.6	180.0	175.7	167.7	161.7	152.0	149.3	-9999.0
130	Chukchi Sea	239.4	238.0	231.7	226.8	224.2	225.6	228.4	233.5	245.3	229.3	230.1	227.2	230.5	233.5	235.6	235.1	234.0	234.4	231.2	222.6	226.3	227.0	209.0	195.6	195.6	204.2	211.9	216.6	229.0	243.8	-9999.0
132	Beaufort Sea	264.2	271.1	272.0	275.1	251.8	257.7	252.0	253.8	262.7	270.8	277.1	273.0	274.3	269.5	267.2	260.9	252.4	251.3	253.4	267.3	269.0	280.8	273.4	263.6	244.4	233.4	232.4	232.8	224.5	221.3	-9999.0
134	Arctic Archipelago	253.1	244.9	235.3	232.0	228.1	214.8	214.9	216.4	227.5	249.2	246.3	243.3	234.6	213.1	206.0	186.6	177.2	180.8	188.5	196.7	203.0	209.0	232.5	238.8	235.9	217.7	192.6	186.0	186.8	186.5	-9999.0
136	Foxe Basin	230.4	243.9	242.0	230.3	211.9	222.1	217.5	217.9	208.2	208.1	233.7	227.6	208.4	199.1	197.7	200.0	186.5	175.2	184.2	197.3	210.9	209.0	204.3	206.5	218.0	224.5	223.2	191.3	187.2	184.7	-9999.0
138	Baffin Bay	190.9	189.3	183.2	178.2	176.0	166.9	162.6	159.5	160.6	162.1	168.2	167.5	162.9	159.4	155.9	154.2	159.6	167.6	179.0	173.9	163.1	154.5	151.8	161.9	173.2	171.4	168.5	158.0	147.3	140.3	-9999.0
139	South Greenland	189.1	186.3	185.4	183.7	183.6	188.6	185.7	181.1	179.2	186.1	184.9	182.3	178.9	170.7	167.3	165.9	163.2	180.0	183.3	179.4	174.4	172.1	180.2	185.7	192.2	193.7	177.6	165.3	158.3	152.4	-9999.0
140	Greenland Sea	174.6	171.2	173.2	173.0	164.8	174.2	184.3	175.0	176.3	170.3	163.6	160.9	161.4	159.4	153.2	146.3	140.0	147.8	171.1	173.2	172.3	159.2	144.2	139.4	146.3	145.4	139.2	146.2	140.6	127.0	-9999.0
142	Norwegian Sea	263.7	267.5	274.2	276.7	281.7	274.8	274.1	266.6	258.6	261.5	262.6	256.8	259.9	267.2	269.6	264.5	264.8	269.8	269.9	269.6	267.6	264.4	260.4	254.5	247.4	247.4	244.1	246.5	244.9	244.4	-9999.0
144	Barents Sea	281.8	278.1	269.6	267.0	266.4	260.4	253.6	254.8	264.9	274.5	274.6	271.9	269.3	265.5	265.2	274.2	285.3	272.1	269.9	274.7	278.4	275.2	276.9	276.0	265.5	261.1	258.1	261.3	259.1	254.4	-9999.0
146	Kara Sea	283.3	283.6	284.3	281.9	277.2	274.6	276.8	278.9	275.7	269.7	265.6	261.7	261.9	261.5	264.9	273.8	278.5	276.6	274.6	269.9	264.5	259.0	256.8	255.6	258.3	262.5	261.7	257.2	257.2	259.4	-9999.0
148	Laptev Sea	248.1	250.3	247.4	246.5	249.9	248.2	248.5	248.0	250.2	246.0	240.3	231.6	222.7	218.4	219.2	225.2	235.8	245.9	248.9	249.0	242.8	231.3	224.0	221.8	220.4	217.2	213.7	209.2	218.4	233.9	-9999.0
150	East Siberian Sea	229.4	228.7	235.6	236.4	232.2	235.3	227.8	221.4	219.3	220.7	217.5	206.3	200.4	200.5	204.3	203.1	202.5	206.0	218.4	227.2	221.1	215.0	209.9	207.6	213.5	216.1	212.3	204.6	207.2	215.9	-9999.0
152	Gulf of Alaska	256.4	258.3	253.5	252.9	251.3	249.3	252.9	261.1	269.6	264.9	256.4	263.5	248.9	250.7	246.1	248.9	256.3	249.7	260.9	250.9	247.7	249.6	247.4	241.0	240.0	237.4	235.6	240.2	247.2	250.9	-9999.0
154	Southeast Bering Sea	261.0	263.5	266.8	265.1	262.8	262.3	266.9	277.6	267.1	257.0	245.9	245.4	241.1	244.4	250.3	261.8	266.6	255.3	261.9	256.3	257.0	249.2	250.1	247.9	237.1	230.5	245.6	256.7	285.8	274.5	-9999.0