1999 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	255.8	253.9	254.2	254.7	254.7	253.4	251.8	248.8	246.9	244.9	242.0	240.1	239.2	237.5	235.5	234.9	237.5	238.4	239.3	238.6	238.2	236.4	231.9	226.5	221.7	218.7	219.7	218.2	214.9	211.7	-9999.0
34	Hudson Bay	296.5	278.6	277.1	281.4	286.7	287.2	286.3	280.7	275.2	275.7	273.6	269.4	270.4	265.4	267.0	263.8	267.5	263.2	246.5	244.3	263.7	266.1	258.8	262.7	261.0	260.0	251.6	243.7	242.6	232.5	-9999.0
36	Hudson Strait	277.9	283.7	228.8	242.9	244.7	240.5	274.4	259.0	263.7	282.8	289.8	271.7	245.3	264.1	264.5	260.9	247.4	229.6	243.0	240.0	229.9	236.9	248.6	240.4	230.9	240.8	263.9	258.7	234.0	231.7	-9999.0
98	Bering Strait	246.0	255.4	260.5	252.7	246.4	246.2	245.5	244.4	246.4	245.2	249.4	254.3	255.4	246.3	246.2	244.0	243.4	250.4	239.2	233.6	231.8	232.6	232.6	217.3	216.3	210.3	205.4	198.3	189.5	189.3	-9999.0
128	Arctic subocean	192.6	195.5	197.0	192.1	187.9	183.7	181.3	177.7	179.4	180.1	176.4	178.0	172.7	167.4	177.1	179.9	178.1	181.9	186.8	200.5	194.5	188.9	186.0	181.5	173.8	169.6	182.3	178.8	167.9	169.1	-9999.0
130	Chukchi Sea	249.0	257.4	254.7	256.1	256.0	255.8	253.1	249.8	251.1	250.2	252.9	258.7	255.5	253.4	250.3	246.8	245.8	245.7	238.2	232.3	229.9	230.0	225.1	202.3	213.5	217.3	197.5	191.5	186.2	185.8	-9999.0
132	Beaufort Sea	245.9	251.2	259.9	271.9	273.6	267.3	254.7	255.9	261.9	253.4	245.8	251.0	258.6	254.6	252.7	253.9	250.4	253.3	271.9	272.8	252.6	251.1	265.7	240.5	228.9	219.4	217.0	210.3	206.5	194.6	-9999.0
134	Arctic Archipelago	214.6	219.4	219.9	225.9	241.8	253.9	240.9	226.8	230.0	227.4	219.7	213.5	221.8	227.5	210.9	204.7	201.8	206.3	224.1	238.2	227.4	212.5	215.4	227.8	227.8	220.7	210.6	202.4	194.3	189.3	-9999.0
136	Foxe Basin	209.7	210.3	219.9	221.5	217.4	220.7	236.0	236.3	226.8	227.7	228.6	217.0	210.5	222.9	221.1	224.1	218.4	213.7	212.0	211.9	217.9	217.2	219.3	220.6	233.7	238.8	237.6	216.4	206.0	207.1	-9999.0
138	Baffin Bay	166.8	164.5	174.3	174.7	170.7	168.4	164.2	162.1	155.7	156.4	153.1	152.5	150.7	155.3	158.9	168.3	174.3	175.1	174.5	171.8	175.7	185.5	173.3	159.9	147.7	163.8	188.2	182.4	165.3	159.5	-9999.0
139	South Greenland	186.7	175.5	173.8	173.7	166.9	166.8	164.4	161.0	158.3	157.7	161.1	168.6	179.5	169.4	160.1	169.5	190.6	201.2	191.6	199.0	208.0	204.7	181.3	189.4	190.7	175.8	193.0	198.3	177.0	157.1	-9999.0
140	Greenland Sea	183.8	179.1	178.4	175.8	170.8	163.8	161.9	161.0	159.8	156.3	154.6	148.2	137.1	128.0	136.7	138.1	162.6	174.2	173.7	169.2	176.8	178.0	173.6	150.4	145.6	135.5	151.4	160.7	155.0	139.5	-9999.0
142	Norwegian Sea	275.9	298.1	288.1	267.3	283.3	292.3	286.2	267.2	269.3	263.0	268.8	286.0	293.4	283.3	279.5	269.6	262.5	266.1	271.2	268.8	267.9	265.8	265.9	259.4	260.7	266.2	267.1	257.6	248.6	245.2	-9999.0
144	Barents Sea	262.9	276.2	291.4	289.2	265.6	274.2	283.8	285.6	283.6	269.9	261.1	256.1	256.7	265.5	268.7	265.6	258.5	251.4	245.5	234.7	240.1	244.9	234.5	239.5	247.6	249.8	256.4	256.3	259.1	269.2	-9999.0
146	Kara Sea	264.8	266.4	269.1	273.3	274.6	265.2	259.9	256.6	253.8	255.3	256.8	255.5	253.9	253.9	250.3	249.7	253.2	255.5	257.2	253.7	245.6	236.2	229.3	227.1	221.0	219.2	222.2	228.0	231.2	232.2	-9999.0
148	Laptev Sea	271.3	264.6	256.1	245.2	250.4	256.4	261.0	260.0	253.8	247.2	238.1	233.4	225.5	221.0	219.2	219.5	222.1	224.4	234.0	235.6	239.4	240.3	236.1	220.1	214.9	212.7	204.9	199.6	196.8	195.9	-9999.0
150	East Siberian Sea	265.4	258.5	257.7	255.4	243.8	244.5	244.7	241.5	244.1	243.0	228.7	218.7	216.3	218.0	214.7	211.9	210.3	205.2	208.3	214.5	219.2	228.3	220.5	226.4	204.3	196.4	210.4	216.4	210.5	205.4	-9999.0
152	Gulf of Alaska	259.2	266.6	264.4	244.2	241.7	246.9	245.7	249.6	250.9	249.1	252.6	260.4	257.7	245.9	254.1	248.6	260.2	260.8	252.8	245.7	243.7	251.1	241.5	234.6	228.0	219.0	222.4	223.2	217.9	233.1	-9999.0
154	Southeast Bering Sea	277.3	264.3	262.9	256.6	254.9	256.0	258.2	257.6	261.8	261.5	265.7	270.3	268.4	256.7	253.9	255.4	270.9	267.1	261.3	258.3	253.4	248.1	246.4	234.4	232.0	234.9	237.3	232.4	234.5	260.3	-9999.0