1991 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	256.5	255.5	253.2	252.4	253.0	249.9	249.6	251.9	249.5	247.0	244.1	244.4	243.1	243.3	242.7	237.6	232.4	230.0	230.5	230.2	229.6	229.1	227.2	226.4	224.5	223.9	223.4	223.2	223.0	222.0	-9999.0
34	Hudson Bay	292.1	300.8	286.3	264.2	253.2	262.8	270.5	280.4	283.3	270.8	270.1	280.8	284.1	289.4	286.9	269.6	243.2	227.9	235.8	251.9	257.7	254.1	245.7	245.5	244.8	235.7	232.8	231.3	239.3	241.4	-9999.0
36	Hudson Strait	233.6	252.9	286.8	274.8	247.6	236.8	252.6	247.7	237.7	242.9	258.3	256.5	249.3	248.0	235.1	263.1	265.1	241.3	238.5	227.0	230.5	247.3	250.6	245.5	221.5	223.4	233.2	231.4	219.6	212.8	-9999.0
98	Bering Strait	260.2	255.9	251.3	254.4	261.6	255.6	237.3	237.0	237.3	235.2	234.7	230.6	228.2	229.7	237.5	239.1	240.6	233.9	228.7	226.4	220.9	216.4	223.7	222.8	218.4	227.5	227.7	221.0	216.2	221.5	-9999.0
128	Arctic subocean	198.2	203.6	200.7	194.8	190.5	184.3	187.8	193.8	193.0	187.3	189.7	190.2	187.8	181.6	188.4	185.5	182.9	181.7	172.0	166.2	172.3	174.6	182.4	169.8	161.5	160.1	162.7	161.7	157.0	151.3	-9999.0
130	Chukchi Sea	267.8	266.0	256.7	258.3	257.7	243.6	227.3	224.3	218.5	228.3	233.2	226.6	220.6	228.1	235.9	244.1	238.7	232.9	229.9	225.0	214.4	214.4	210.9	221.1	221.9	224.5	224.2	220.4	219.0	216.8	-9999.0
132	Beaufort Sea	266.4	252.8	244.7	247.7	251.3	239.7	237.8	239.7	247.9	260.7	262.1	262.1	261.0	252.8	243.6	236.8	234.2	253.2	256.7	243.9	234.0	227.9	234.9	248.3	238.7	241.3	246.0	246.2	228.7	224.0	-9999.0
134	Arctic Archipelago	231.1	227.8	221.7	215.8	215.8	212.8	209.9	211.7	209.9	212.4	216.7	215.0	212.7	202.9	201.2	199.3	205.4	220.8	237.6	229.7	212.8	197.7	189.7	191.4	192.1	189.5	187.4	192.9	192.6	192.1	-9999.0
136	Foxe Basin	223.3	222.9	227.3	233.2	237.9	234.4	233.0	232.4	226.3	226.6	230.9	228.9	224.9	212.1	207.0	208.6	209.2	207.9	205.9	227.1	234.7	231.5	224.2	216.6	220.8	219.8	214.1	208.8	205.2	197.8	-9999.0
138	Baffin Bay	175.0	177.2	178.5	178.6	200.5	199.8	194.1	182.1	171.4	165.0	159.5	165.4	161.9	155.0	158.9	160.0	156.7	153.4	147.3	146.5	149.6	163.1	177.1	169.7	168.4	167.9	164.7	157.5	148.1	145.6	-9999.0
139	South Greenland	165.5	170.4	177.6	205.0	228.0	207.6	193.0	183.3	182.2	188.8	184.9	188.3	185.5	186.9	181.4	178.3	168.6	167.8	159.2	150.9	165.6	185.0	187.1	181.2	183.3	175.9	166.2	165.6	167.2	163.8	-9999.0
140	Greenland Sea	158.8	163.4	167.1	166.0	185.8	193.1	180.7	173.3	177.6	164.6	151.0	147.5	149.3	146.2	136.9	143.9	144.0	137.8	137.7	156.5	170.4	194.5	186.4	171.7	153.2	147.8	136.5	137.9	133.5	124.7	-9999.0
142	Norwegian Sea	287.9	278.5	277.8	249.5	236.3	237.6	250.0	252.4	251.4	249.1	238.5	237.5	239.7	265.4	273.4	244.2	239.6	252.4	255.0	249.8	249.3	257.2	247.7	249.3	249.8	242.3	235.1	234.8	224.7	230.1	-9999.0
144	Barents Sea	265.8	265.3	271.1	271.0	257.8	251.8	253.9	254.7	247.6	246.8	251.6	263.2	252.7	243.3	246.3	259.5	258.6	242.1	237.9	237.7	236.6	240.7	239.8	246.0	254.8	258.2	256.3	273.2	252.4	234.1	-9999.0
146	Kara Sea	278.6	275.8	275.3	277.9	278.9	273.8	276.2	281.1	277.0	273.0	266.1	264.5	263.7	266.0	264.8	256.0	254.3	252.9	251.5	248.9	246.4	247.7	248.0	248.8	246.3	248.6	250.3	249.1	254.7	253.0	-9999.0
148	Laptev Sea	253.9	252.1	250.3	250.6	252.8	252.7	253.4	255.9	249.9	247.9	243.2	238.4	235.6	238.4	243.3	238.0	234.4	229.9	230.0	228.8	227.5	219.7	209.7	201.9	201.2	200.0	204.8	205.0	208.4	215.2	-9999.0
150	East Siberian Sea	239.9	234.6	231.1	234.3	230.7	232.5	232.9	232.6	224.9	215.3	207.4	202.0	205.4	206.5	204.8	202.1	199.1	207.0	208.2	212.9	217.6	213.6	205.8	200.4	207.1	204.2	194.2	191.7	191.6	193.3	-9999.0
152	Gulf of Alaska	254.8	252.0	257.1	260.9	270.4	264.4	259.0	263.5	257.5	256.7	253.0	247.3	243.2	253.4	263.8	258.8	259.9	242.2	237.1	236.7	234.1	238.9	249.8	240.1	237.8	245.1	235.7	228.4	237.3	237.6	-9999.0
154	Southeast Bering Sea	270.9	268.1	274.5	277.7	277.0	276.5	276.3	280.4	272.7	268.7	267.4	264.5	265.7	273.5	275.6	267.8	260.4	260.3	258.7	251.0	250.2	251.0	253.6	254.6	252.6	246.3	242.7	241.2	250.0	247.2	-9999.0