1983 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	264.2	263.2	260.8	259.7	255.3	252.7	251.5	250.6	248.0	244.3	242.2	239.2	239.0	239.0	237.5	236.3	234.9	231.5	225.5	225.7	226.1	225.3	226.9	227.1	227.4	225.8	223.3	222.1	219.2	218.2	-9999.0
34	Hudson Bay	324.1	323.6	313.2	303.7	294.2	286.8	279.6	283.0	286.0	273.9	262.9	252.5	250.7	252.8	254.5	257.1	261.0	255.7	245.9	241.4	237.1	227.8	243.9	261.9	268.0	270.6	272.2	268.5	244.9	240.1	-9999.0
36	Hudson Strait	263.9	268.5	271.4	291.3	272.7	258.1	262.4	254.2	230.3	229.2	237.4	239.9	228.4	232.5	231.8	230.7	228.9	229.4	240.7	241.1	248.6	250.9	235.5	225.8	244.0	253.0	240.8	227.5	235.2	226.7	-9999.0
98	Bering Strait	242.6	230.8	222.4	234.7	235.7	228.8	228.4	234.5	232.6	227.7	227.5	223.8	217.2	218.5	219.3	217.4	213.9	210.6	210.4	227.1	234.8	221.9	206.7	199.3	190.3	186.1	184.0	198.9	221.1	226.6	-9999.0
128	Arctic subocean	195.8	200.2	202.5	202.3	200.7	203.2	199.5	198.6	195.9	200.0	191.4	177.4	168.1	162.8	169.6	181.8	188.9	178.9	170.0	172.8	158.3	145.1	152.2	152.3	165.3	170.7	159.7	156.8	175.6	180.9	-9999.0
130	Chukchi Sea	213.1	218.6	220.5	230.6	222.7	235.7	228.3	227.0	230.6	216.2	231.3	228.6	226.9	229.6	218.8	214.9	218.1	208.7	206.9	209.9	208.0	186.8	182.5	182.7	194.8	206.4	212.9	211.6	224.2	227.9	-9999.0
132	Beaufort Sea	274.3	275.0	263.9	253.3	245.6	242.1	241.6	237.1	239.9	240.1	242.7	244.8	249.5	253.8	248.0	234.5	221.6	211.6	208.2	218.8	236.1	248.0	243.7	230.9	228.9	220.9	202.5	186.4	196.1	218.3	-9999.0
134	Arctic Archipelago	256.6	246.5	244.9	246.6	239.3	241.2	235.9	234.7	235.4	234.4	224.8	215.1	218.4	226.5	237.4	236.1	223.1	208.7	197.0	197.9	203.4	212.7	216.7	206.1	198.0	196.6	195.8	201.7	208.0	205.4	-9999.0
136	Foxe Basin	234.8	236.2	247.5	248.1	227.9	228.9	231.3	227.3	224.7	224.9	222.6	226.1	215.1	212.0	222.0	228.4	226.0	225.8	221.1	208.2	202.7	206.6	212.6	211.3	210.1	208.8	207.3	204.4	212.3	211.8	-9999.0
138	Baffin Bay	168.3	180.2	183.9	183.5	184.7	187.0	184.6	184.2	179.7	175.9	173.0	168.9	166.4	162.7	153.6	159.3	170.1	176.4	171.2	164.0	155.7	157.2	159.8	149.0	148.9	151.9	142.5	143.3	153.2	160.6	-9999.0
139	South Greenland	155.7	155.3	155.9	150.6	152.0	171.3	187.2	193.8	189.3	189.4	203.5	206.2	200.4	204.6	201.2	193.1	183.6	175.6	165.2	159.8	152.0	154.5	182.3	190.3	166.9	149.7	155.4	170.8	167.2	164.0	-9999.0
140	Greenland Sea	155.5	161.4	172.0	168.5	170.2	176.9	171.9	170.9	171.8	163.6	168.0	172.8	163.0	169.3	156.3	160.3	167.0	163.2	158.9	153.5	138.7	132.3	138.3	134.8	129.7	142.3	136.9	121.4	125.3	129.9	-9999.0
142	Norwegian Sea	265.9	295.8	301.0	295.5	280.4	271.5	273.5	254.3	256.6	267.4	273.9	268.9	265.1	269.4	261.5	265.9	269.7	275.1	266.1	263.0	254.3	247.3	250.3	235.2	240.7	240.8	238.1	225.8	225.3	224.3	-9999.0
144	Barents Sea	259.1	254.9	264.1	270.3	268.1	272.5	269.9	267.1	264.3	264.7	260.7	261.6	267.2	265.3	260.1	257.3	259.9	263.9	273.3	280.0	277.9	267.5	269.3	272.5	258.0	249.3	238.8	239.6	234.6	233.9	-9999.0
146	Kara Sea	276.9	274.7	268.6	266.2	263.5	261.4	262.1	263.3	262.9	257.5	251.6	248.7	252.1	249.0	245.2	242.2	243.1	241.0	235.0	235.5	236.9	240.5	242.5	242.9	247.7	245.9	244.5	242.5	241.4	242.5	-9999.0
148	Laptev Sea	282.2	283.4	284.4	282.3	276.8	278.9	275.2	264.2	260.2	261.8	263.7	259.7	256.9	252.4	250.9	254.2	250.9	247.6	231.1	224.6	224.1	222.7	216.8	218.2	223.3	225.9	227.2	223.3	214.2	202.3	-9999.0
150	East Siberian Sea	236.9	240.2	257.3	274.6	277.5	239.2	239.0	241.7	210.9	204.4	208.0	208.4	210.2	216.2	227.6	232.3	234.2	237.5	235.9	231.1	227.6	227.8	228.7	226.4	228.9	224.1	219.3	215.3	193.8	175.7	-9999.0
152	Gulf of Alaska	264.6	258.3	247.8	248.6	235.4	228.6	227.8	233.4	236.8	237.7	237.2	239.6	235.0	238.5	230.0	227.4	222.2	222.4	237.4	259.8	259.8	248.9	227.8	211.3	195.3	186.8	194.1	229.1	243.2	254.7	-9999.0
154	Southeast Bering Sea	274.2	249.6	251.5	246.0	250.4	253.2	258.6	259.0	257.0	264.2	257.8	258.2	255.7	242.4	238.5	242.1	237.8	241.0	257.9	267.1	263.6	246.3	204.3	198.4	190.2	189.9	220.7	258.0	272.3	255.2	-9999.0