1952 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	265.6	262.7	258.5	255.9	257.3	258.5	259.6	259.6	256.5	252.3	253.1	253.2	254.0	252.6	250.5	249.3	249.3	247.5	246.2	242.1	239.2	236.2	234.4	232.9	231.0	229.6	227.9	227.0	225.8	224.8	-9999.0
34	Hudson Bay	280.1	278.7	275.8	262.2	258.7	256.7	271.7	284.0	282.1	276.6	287.8	301.1	305.5	291.9	280.3	278.3	269.2	267.1	263.8	258.4	257.9	254.4	257.1	263.3	261.0	259.0	265.2	260.6	261.8	269.3	-9999.0
36	Hudson Strait	274.6	281.7	292.8	273.0	240.0	224.2	219.1	235.1	260.1	255.3	245.3	226.7	223.6	230.3	242.0	243.6	248.9	257.7	275.2	263.3	241.3	232.0	233.6	223.3	218.1	227.0	219.9	219.1	209.2	214.9	-9999.0
98	Bering Strait	256.7	245.5	246.0	238.2	227.2	211.9	213.7	220.4	231.6	238.8	237.1	237.6	240.6	245.9	231.5	227.8	236.1	238.0	238.3	237.7	248.2	253.1	247.9	246.0	244.3	236.7	231.1	222.1	208.3	196.9	-9999.0
128	Arctic subocean	179.8	185.3	185.8	176.5	177.3	184.4	186.9	184.4	185.1	190.0	187.7	182.6	173.8	169.0	171.2	168.9	177.2	180.6	176.2	174.6	177.1	175.5	177.7	164.6	162.4	161.9	160.9	155.4	157.8	164.3	-9999.0
130	Chukchi Sea	237.7	235.9	234.5	226.9	216.4	216.9	218.9	222.7	231.0	231.5	224.6	226.4	235.9	231.9	221.6	220.7	221.4	225.2	227.4	231.6	232.1	230.6	233.1	240.3	236.5	224.8	219.8	214.9	188.8	178.2	-9999.0
132	Beaufort Sea	259.9	258.3	237.2	238.5	242.8	248.6	244.0	230.8	230.2	244.0	249.3	248.8	247.8	255.5	258.4	239.9	245.0	252.3	260.7	258.2	260.0	269.5	268.4	254.6	250.7	252.6	234.7	229.9	227.5	221.4	-9999.0
134	Arctic Archipelago	217.3	214.6	203.8	201.3	210.7	220.0	226.1	221.4	213.9	207.3	218.3	229.0	230.4	233.3	222.6	217.5	211.9	213.7	217.0	213.3	208.2	196.5	188.7	187.0	191.6	181.1	173.8	176.8	180.0	177.7	-9999.0
136	Foxe Basin	210.2	221.1	225.6	228.3	227.4	211.2	207.1	214.3	228.5	222.8	215.4	216.7	222.3	229.2	247.0	244.8	250.3	244.1	231.1	216.7	204.2	200.6	196.7	186.1	183.3	190.6	193.8	200.3	194.4	186.6	-9999.0
138	Baffin Bay	188.0	180.8	176.1	181.6	196.5	209.0	213.4	203.5	192.2	182.1	173.4	177.3	174.5	161.2	149.3	167.0	189.8	183.2	168.1	153.5	155.7	150.0	150.3	157.4	158.9	152.9	155.6	156.9	175.2	159.0	-9999.0
139	South Greenland	191.7	182.3	190.5	219.6	234.3	238.9	232.9	216.5	193.6	208.6	198.4	187.9	203.2	199.2	185.3	199.4	222.5	216.8	209.9	201.0	200.4	183.5	170.5	157.0	154.7	152.3	150.6	173.7	175.6	161.5	-9999.0
140	Greenland Sea	165.7	175.1	174.2	159.3	178.8	211.1	216.8	210.7	190.7	179.0	174.1	164.9	164.7	158.0	144.6	143.5	164.8	159.8	156.7	152.2	154.2	153.4	148.6	139.2	136.1	143.0	153.8	144.7	148.4	151.6	-9999.0
142	Norwegian Sea	269.5	260.9	255.6	254.5	254.7	251.8	247.2	247.6	257.5	259.8	250.2	257.6	242.3	241.5	256.9	261.4	252.3	248.9	237.6	230.4	229.8	224.6	230.2	237.9	245.6	248.3	256.1	255.8	249.6	244.4	-9999.0
144	Barents Sea	269.1	278.4	286.7	289.2	294.0	279.0	285.5	291.2	270.0	280.2	277.6	262.3	263.8	257.8	253.7	254.4	254.4	258.9	265.9	269.6	273.0	264.2	260.5	261.5	256.6	248.9	249.9	260.0	247.9	241.2	-9999.0
146	Kara Sea	303.2	298.5	291.3	287.0	286.9	289.9	286.5	286.2	283.7	265.1	265.9	269.1	268.7	268.5	275.8	276.2	270.7	266.8	263.0	259.0	258.3	258.3	256.5	253.4	248.6	250.0	249.9	245.1	242.2	243.4	-9999.0
148	Laptev Sea	270.8	264.0	260.8	264.5	270.2	272.6	272.3	269.6	267.9	266.1	260.8	250.7	249.4	252.1	250.7	250.2	248.6	247.4	249.3	240.4	221.3	210.5	210.4	216.1	219.9	216.6	214.0	218.9	227.1	229.0	-9999.0
150	East Siberian Sea	258.5	262.7	266.1	257.5	253.4	258.6	258.8	257.4	250.1	251.0	260.0	266.6	260.1	256.2	257.5	254.5	250.6	234.5	221.2	228.3	223.4	223.6	224.2	217.2	213.1	217.5	218.3	211.3	205.0	207.4	-9999.0
152	Gulf of Alaska	268.5	253.5	247.3	236.3	233.3	224.0	213.8	225.4	250.2	252.9	247.1	242.5	250.4	256.2	239.6	241.8	247.7	251.6	245.3	253.2	268.5	270.8	254.7	265.6	272.1	263.0	254.6	250.8	241.7	240.1	-9999.0
154	Southeast Bering Sea	265.2	265.5	256.9	244.4	240.1	231.4	229.0	262.7	275.6	260.0	259.9	250.3	245.3	249.4	245.6	243.0	242.9	237.4	241.4	241.3	240.7	255.9	262.0	274.1	271.2	265.7	263.1	260.7	251.1	241.7	-9999.0