1979 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	258.7	255.5	251.2	249.1	248.2	241.9	239.7	241.0	241.7	238.3	238.2	237.5	238.0	236.5	234.5	236.2	234.5	232.4	232.5	231.7	231.8	232.6	233.6	229.3	225.9	223.1	221.9	221.7	221.9	224.1	-9999.0
34	Hudson Bay	298.3	287.0	271.6	280.0	282.2	261.7	255.7	264.7	268.0	262.0	263.7	264.4	266.3	268.1	258.4	269.1	274.2	255.4	250.6	247.5	239.1	241.2	252.8	260.1	259.2	248.7	252.0	242.2	242.4	251.9	-9999.0
36	Hudson Strait	247.0	270.9	277.1	239.7	254.3	239.4	231.2	232.5	239.9	250.8	248.8	248.0	259.0	269.1	246.9	217.3	222.9	245.4	222.7	219.0	214.6	223.4	218.4	211.0	239.3	242.7	226.5	227.9	217.1	211.5	-9999.0
98	Bering Strait	244.1	251.2	252.4	249.6	248.7	250.7	247.4	251.4	255.0	249.2	242.0	238.8	234.7	231.6	233.5	233.7	218.7	209.9	225.6	227.7	227.5	223.6	226.1	216.5	213.7	215.3	217.5	221.1	217.6	213.6	-9999.0
128	Arctic subocean	203.6	203.8	198.0	193.9	196.8	183.9	169.2	170.4	169.2	170.7	170.0	165.3	161.6	163.3	157.0	161.3	182.2	189.0	190.3	184.3	175.4	170.7	172.7	165.8	160.4	159.5	154.6	154.4	149.0	146.4	-9999.0
130	Chukchi Sea	236.7	241.3	236.3	230.1	235.4	252.9	249.2	247.5	244.5	244.9	245.7	241.7	221.8	212.3	209.7	212.5	207.2	203.6	223.3	224.3	219.6	215.0	223.0	210.5	209.7	229.2	231.1	228.9	225.9	222.4	-9999.0
132	Beaufort Sea	270.5	276.5	281.2	272.7	262.8	259.5	257.0	255.8	255.2	252.1	250.3	251.9	256.6	253.8	258.1	262.4	250.0	246.7	236.7	235.9	243.9	250.7	251.4	249.2	245.5	241.1	235.1	239.0	232.6	226.1	-9999.0
134	Arctic Archipelago	240.7	244.0	240.2	236.3	231.4	227.3	224.1	216.0	219.4	214.2	209.0	196.8	202.3	185.2	185.4	190.9	201.5	215.5	211.6	202.2	199.9	195.8	195.9	190.3	181.8	184.3	190.0	189.7	188.0	178.3	-9999.0
136	Foxe Basin	250.6	243.8	240.3	235.3	236.5	227.6	223.0	223.6	221.4	225.4	218.7	214.8	210.4	224.0	232.5	227.5	217.8	215.0	209.8	205.8	207.0	204.4	197.7	195.9	192.7	197.7	197.9	197.6	200.8	205.1	-9999.0
138	Baffin Bay	187.2	181.5	176.0	173.6	175.9	163.6	157.7	156.3	158.9	160.8	160.4	159.2	158.8	156.3	161.0	156.2	153.6	157.9	169.3	164.5	163.3	167.8	162.4	152.7	143.6	143.2	137.4	143.6	148.5	157.2	-9999.0
139	South Greenland	178.7	172.1	177.6	175.6	169.3	169.3	168.3	177.6	179.0	167.5	168.9	164.7	163.8	164.9	158.7	158.2	159.1	152.3	162.0	174.3	189.6	179.2	167.6	154.8	152.0	144.2	143.7	151.2	170.7	190.2	-9999.0
140	Greenland Sea	164.9	166.9	166.4	162.8	161.9	155.0	147.8	139.3	135.6	140.6	148.0	146.7	144.4	136.0	137.1	141.9	158.1	169.9	172.7	163.9	157.3	159.0	148.9	147.4	147.3	141.7	144.5	148.3	137.1	144.7	-9999.0
142	Norwegian Sea	252.6	256.7	266.1	268.7	269.6	279.5	288.2	283.9	263.3	254.7	245.6	244.5	249.8	237.2	236.8	242.4	249.9	258.6	252.0	248.6	247.7	240.8	235.3	233.9	253.4	250.4	236.0	233.8	230.3	226.5	-9999.0
144	Barents Sea	276.6	269.9	259.5	256.1	256.1	249.6	245.5	254.6	270.7	269.4	276.2	283.1	274.1	273.9	267.0	267.0	270.6	264.1	269.0	269.2	267.3	267.3	257.9	244.1	240.4	245.5	256.7	250.5	240.4	235.1	-9999.0
146	Kara Sea	277.5	271.4	268.4	266.2	266.3	262.7	263.7	262.8	256.8	248.5	247.3	247.6	252.0	254.7	257.3	258.6	255.5	257.0	258.0	258.4	260.3	260.6	260.8	254.6	251.1	248.2	245.4	247.1	249.3	248.3	-9999.0
148	Laptev Sea	255.8	251.4	244.6	241.0	241.2	236.3	231.6	229.5	236.0	241.2	241.7	236.9	231.4	223.7	219.0	218.3	218.9	221.2	218.9	218.0	218.3	223.5	228.0	226.4	217.0	215.0	212.4	210.8	216.0	222.9	-9999.0
150	East Siberian Sea	234.8	229.1	226.7	232.7	229.4	218.1	223.1	226.8	220.9	217.3	219.6	224.7	225.5	225.6	221.3	223.4	214.2	203.5	205.6	205.0	204.0	196.4	197.4	199.7	195.2	189.2	182.2	184.9	181.0	185.4	-9999.0
152	Gulf of Alaska	252.7	265.7	261.2	255.0	251.5	254.6	255.0	255.1	259.5	258.0	259.7	271.0	276.0	271.1	266.1	260.1	250.6	243.9	250.0	249.0	245.6	247.4	255.7	240.2	232.6	236.0	240.8	236.1	223.8	237.5	-9999.0
154	Southeast Bering Sea	266.4	264.4	255.7	248.8	244.7	254.4	265.4	266.7	272.8	276.8	280.7	285.7	287.0	282.4	275.0	269.2	234.9	250.4	261.4	257.7	252.8	263.5	262.6	225.5	240.4	249.0	238.0	236.0	236.3	244.4	-9999.0