1975 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	245.9	246.9	245.8	244.7	246.0	246.6	248.6	244.9	243.3	241.6	241.7	242.1	241.4	241.3	237.2	234.3	233.2	232.3	230.3	227.0	226.9	226.1	224.6	223.9	223.5	225.2	224.3	224.0	222.4	220.5	-9999.0
34	Hudson Bay	275.5	270.2	273.8	268.4	262.0	260.7	255.7	259.5	264.0	260.5	245.6	234.3	241.3	260.4	261.5	260.9	271.4	271.8	265.4	260.6	259.8	258.7	249.2	253.8	254.5	259.6	257.4	255.1	253.3	240.5	-9999.0
36	Hudson Strait	285.4	275.8	259.9	261.5	269.1	257.3	244.6	236.0	241.4	243.9	243.8	252.0	243.0	238.1	232.8	231.7	235.7	245.6	262.3	239.7	226.0	244.7	249.6	236.1	227.9	218.2	231.6	236.2	212.2	212.8	-9999.0
98	Bering Strait	248.2	244.4	244.3	242.0	235.8	236.3	232.3	221.5	220.6	227.6	241.9	240.5	234.3	234.1	225.2	223.0	222.1	239.2	228.7	221.8	230.5	224.2	224.1	218.2	212.9	208.9	202.1	202.5	209.8	216.3	-9999.0
128	Arctic subocean	184.1	184.5	179.5	171.0	166.8	168.6	173.7	177.8	179.3	173.7	173.7	183.4	190.7	181.0	167.1	161.4	160.7	162.3	169.5	177.6	171.6	165.8	158.9	155.3	151.7	155.7	154.8	154.8	155.2	165.0	-9999.0
130	Chukchi Sea	231.3	229.4	232.3	231.7	223.0	214.5	214.0	213.0	222.5	228.6	228.3	234.7	238.4	236.5	230.9	222.2	206.2	208.5	205.4	194.0	211.6	221.2	215.8	197.5	193.3	199.4	189.3	183.6	185.4	197.2	-9999.0
132	Beaufort Sea	254.0	256.5	250.9	252.6	255.6	255.7	265.0	247.5	230.7	225.9	237.1	259.9	266.1	259.7	255.4	251.1	244.2	245.3	255.7	249.7	250.2	252.4	252.7	241.4	233.3	225.6	216.6	218.3	214.9	227.6	-9999.0
134	Arctic Archipelago	218.1	216.0	210.0	212.7	229.8	235.8	229.2	224.8	211.2	200.4	204.7	210.8	220.3	215.4	213.3	207.6	203.0	205.8	225.1	236.4	213.9	198.6	199.4	186.6	175.4	177.5	170.8	170.8	169.4	170.1	-9999.0
136	Foxe Basin	236.7	223.5	223.8	227.3	214.7	215.8	224.3	228.8	234.2	246.7	241.9	232.0	223.5	216.5	212.8	202.6	196.9	192.5	192.5	196.0	213.9	222.1	206.1	204.4	200.8	195.2	199.1	196.6	196.9	188.1	-9999.0
138	Baffin Bay	186.2	186.9	169.0	158.8	154.7	158.9	167.7	177.7	169.5	166.5	182.4	187.3	182.2	171.9	168.2	160.1	150.8	143.3	140.8	147.7	155.2	153.8	155.8	156.3	154.8	157.0	154.5	151.0	140.8	140.3	-9999.0
139	South Greenland	195.9	212.0	199.8	189.2	188.5	188.4	191.5	180.3	177.5	174.8	174.6	177.4	181.7	195.0	180.6	166.0	153.2	147.2	141.5	134.7	135.1	143.9	147.0	155.5	161.2	158.0	152.0	145.6	152.1	149.9	-9999.0
140	Greenland Sea	168.8	182.9	168.2	154.1	146.5	137.4	135.7	145.2	154.0	155.6	154.0	166.0	172.8	157.1	150.9	152.6	150.0	144.6	136.8	132.2	131.2	132.9	131.5	140.8	144.9	155.0	145.8	139.0	134.2	140.7	-9999.0
142	Norwegian Sea	271.2	269.6	276.8	255.3	254.0	238.1	236.8	254.2	268.0	265.1	258.4	260.7	274.8	279.4	263.4	262.7	273.9	268.4	249.2	258.0	255.5	242.8	256.4	236.4	245.2	262.1	247.6	236.8	238.8	255.7	-9999.0
144	Barents Sea	263.9	275.0	270.6	280.2	282.9	272.2	277.9	277.7	266.7	270.1	277.5	281.6	286.7	291.6	290.8	284.4	270.8	262.0	269.4	252.0	248.9	253.5	251.0	255.1	247.8	251.6	269.6	268.9	259.0	240.1	-9999.0
146	Kara Sea	259.4	258.7	262.4	260.9	264.7	270.0	276.7	272.8	273.3	269.2	267.6	267.3	264.4	264.5	260.0	255.2	255.5	252.3	248.2	247.9	248.1	242.0	239.0	237.1	241.4	247.3	245.8	244.6	243.7	245.3	-9999.0
148	Laptev Sea	232.4	234.3	237.3	245.8	251.3	251.6	253.2	246.0	244.8	243.7	242.1	238.1	230.7	221.2	217.1	218.6	218.8	215.2	209.9	204.7	208.2	213.5	216.4	220.0	218.6	217.1	224.3	229.7	230.5	219.6	-9999.0
150	East Siberian Sea	236.3	242.7	236.4	226.2	222.8	221.4	224.2	232.1	236.1	233.2	235.8	228.0	213.8	205.4	203.6	209.0	204.4	208.1	204.8	202.3	198.5	199.5	203.5	210.8	218.0	218.8	214.9	213.4	209.0	212.9	-9999.0
152	Gulf of Alaska	249.1	248.0	247.3	247.5	245.5	254.8	241.8	231.8	236.9	254.9	262.8	254.6	251.2	248.0	238.4	239.1	250.2	261.8	246.5	247.8	256.8	254.0	244.3	240.7	246.7	247.2	236.7	236.3	242.1	245.5	-9999.0
154	Southeast Bering Sea	265.6	267.3	264.0	257.5	264.0	261.8	244.9	233.4	236.6	264.9	258.6	253.0	246.9	252.0	257.2	262.5	277.7	266.7	248.3	253.6	252.5	247.5	251.1	240.1	235.3	242.2	241.6	247.2	244.0	244.4	-9999.0