1963 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	254.8	252.8	249.5	248.3	247.9	245.5	243.0	242.5	243.6	241.5	237.7	233.8	236.5	236.1	234.2	232.6	234.0	235.5	232.4	229.9	231.2	231.8	234.0	233.3	229.9	228.4	227.2	225.8	224.4	222.9	-9999.0
34	Hudson Bay	273.0	266.1	260.1	268.8	283.3	287.2	276.8	280.1	279.4	277.0	268.5	240.1	253.5	276.3	272.8	259.2	262.1	265.8	251.6	248.4	248.0	259.8	274.1	282.7	269.8	257.5	248.2	240.7	249.3	260.5	-9999.0
36	Hudson Strait	250.7	233.0	227.8	227.0	231.1	242.6	260.1	227.3	237.9	220.3	217.7	212.9	213.0	223.8	257.9	257.2	219.2	229.2	214.9	204.1	210.8	205.0	218.2	239.0	257.3	258.2	226.4	198.2	205.5	212.6	-9999.0
98	Bering Strait	263.1	268.1	266.7	265.2	257.9	246.8	240.3	241.6	249.6	252.2	246.6	239.8	235.2	225.3	224.3	230.1	234.4	239.4	236.8	235.6	234.0	223.0	217.5	215.3	215.7	217.4	235.3	242.4	230.2	230.7	-9999.0
128	Arctic subocean	195.9	192.2	181.1	179.2	178.4	178.4	179.8	174.0	174.4	170.5	168.4	167.0	165.9	166.6	168.1	165.1	160.6	159.3	162.5	161.0	171.1	155.8	151.3	167.5	168.8	156.2	158.7	164.6	161.1	167.4	-9999.0
130	Chukchi Sea	266.5	266.6	264.9	257.0	255.2	236.8	222.1	218.7	231.9	245.6	242.3	229.0	223.2	218.8	223.8	229.4	234.0	228.5	219.0	216.3	221.9	211.6	210.4	208.4	204.1	203.6	220.1	226.8	214.2	207.3	-9999.0
132	Beaufort Sea	276.9	267.7	269.0	271.4	261.9	247.3	253.5	252.2	264.4	263.4	252.1	258.7	257.3	239.1	217.9	220.1	229.7	237.1	240.9	244.3	260.7	252.2	249.6	235.5	234.0	243.6	246.7	260.9	270.9	269.8	-9999.0
134	Arctic Archipelago	209.1	212.5	211.3	209.1	207.0	206.5	207.5	206.6	202.3	201.9	198.1	199.2	200.2	194.3	191.2	195.2	199.6	207.5	212.1	203.3	215.1	228.7	200.6	187.5	179.7	185.3	184.6	192.4	201.6	209.3	-9999.0
136	Foxe Basin	225.9	229.2	227.4	223.4	222.3	219.2	215.6	217.2	214.2	209.2	208.3	205.7	204.9	205.4	213.0	206.5	199.1	201.1	201.0	206.0	201.0	217.5	218.9	192.1	193.6	196.3	194.5	191.7	193.4	195.5	-9999.0
138	Baffin Bay	176.4	176.1	176.4	186.9	189.1	183.6	178.0	177.0	179.7	170.2	162.4	164.7	166.8	165.7	164.6	163.4	161.0	160.6	150.5	146.5	152.8	160.4	166.9	165.2	150.5	144.2	155.8	154.0	171.9	178.8	-9999.0
139	South Greenland	194.8	196.9	203.4	197.4	188.5	183.9	183.7	185.7	171.0	169.9	175.7	175.6	179.5	177.3	177.0	173.4	173.5	166.4	170.2	158.9	145.3	145.5	152.3	156.0	149.1	149.0	161.0	178.2	183.0	175.3	-9999.0
140	Greenland Sea	160.0	161.9	164.7	167.0	174.8	173.7	169.7	165.3	167.5	161.9	162.6	155.2	160.6	168.5	166.2	155.2	139.9	135.8	143.0	138.9	138.7	141.0	146.0	148.4	143.6	153.0	158.8	163.3	154.5	155.4	-9999.0
142	Norwegian Sea	265.4	269.1	286.9	288.4	282.4	274.6	268.9	267.3	275.6	268.3	259.3	252.3	258.2	256.0	258.6	258.8	264.3	245.7	239.8	252.4	269.9	275.9	271.2	277.0	277.5	266.5	259.5	248.5	242.3	244.3	-9999.0
144	Barents Sea	299.2	296.3	277.0	284.1	288.9	290.2	297.2	295.8	276.2	250.6	252.4	270.6	282.4	270.9	265.9	255.7	245.0	240.5	250.9	242.4	245.1	257.7	267.8	265.9	275.6	279.2	271.4	281.7	277.5	256.4	-9999.0
146	Kara Sea	263.9	264.1	260.7	253.7	248.0	244.9	241.0	242.9	249.5	251.5	245.5	244.3	246.8	249.5	252.6	254.9	256.3	253.3	247.2	247.5	248.1	246.1	248.1	249.0	241.8	235.4	233.6	227.0	225.2	226.9	-9999.0
148	Laptev Sea	265.2	261.1	254.6	249.8	248.8	247.0	242.5	238.9	231.0	229.2	233.3	233.6	233.6	226.6	225.7	224.0	230.0	239.7	238.2	232.7	233.9	237.4	237.5	232.9	236.8	236.8	225.4	218.2	197.9	182.2	-9999.0
150	East Siberian Sea	221.7	224.0	225.3	224.7	235.0	241.5	246.7	245.8	256.7	256.3	253.2	242.3	239.0	233.0	228.1	228.4	231.7	228.4	229.0	233.4	218.4	199.6	202.8	206.0	212.0	220.3	228.4	223.4	223.4	217.3	-9999.0
152	Gulf of Alaska	281.8	282.7	285.5	283.4	279.4	279.9	272.1	273.0	275.1	276.1	269.1	266.8	264.5	259.1	242.9	243.8	251.7	254.1	249.9	253.1	248.4	245.3	243.0	242.2	241.5	240.6	256.7	255.7	253.4	250.9	-9999.0
154	Southeast Bering Sea	293.6	294.4	293.4	288.9	289.0	288.1	282.8	280.7	283.0	280.1	279.0	271.7	256.4	255.8	252.5	267.6	266.4	259.1	252.5	247.1	244.9	241.3	244.7	244.3	234.0	245.9	267.7	249.7	249.2	248.4	-9999.0