1976 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	254.7	257.0	256.1	255.3	256.2	257.2	254.9	251.6	250.9	250.3	248.8	248.7	248.5	247.9	249.0	250.7	250.3	245.3	239.3	235.0	231.9	228.6	226.2	226.4	226.1	223.6	223.1	224.6	221.5	218.2	-9999.0
34	Hudson Bay	254.4	263.2	273.2	273.2	279.6	291.6	296.0	281.3	273.3	276.7	273.6	268.9	264.2	256.4	264.5	284.3	298.6	296.3	268.2	250.8	245.0	237.4	227.7	230.1	233.5	230.4	234.4	257.4	256.1	259.3	-9999.0
36	Hudson Strait	226.2	228.7	230.5	226.7	228.8	231.4	228.0	236.4	266.9	270.0	266.5	267.9	237.5	226.8	227.2	227.0	252.3	237.6	249.7	232.7	228.3	227.0	229.8	221.1	220.3	219.1	210.9	209.1	212.1	208.7	-9999.0
98	Bering Strait	255.4	251.8	247.1	239.2	228.6	233.3	242.4	244.9	237.0	229.5	228.0	228.2	232.8	242.7	239.8	233.6	235.2	238.8	248.9	247.7	252.7	249.9	236.3	232.7	246.7	243.4	233.5	239.7	221.5	214.1	-9999.0
128	Arctic subocean	218.9	204.6	192.6	187.1	192.6	194.9	196.5	197.2	191.7	181.4	183.6	187.8	187.7	185.6	181.7	174.5	169.1	172.4	178.3	178.8	173.1	178.9	194.0	193.9	170.2	162.7	160.4	161.3	155.5	148.6	-9999.0
130	Chukchi Sea	264.1	253.2	225.5	218.1	226.1	234.3	232.1	230.4	221.6	226.3	238.9	236.3	236.9	237.3	238.7	237.6	234.2	230.8	238.6	236.0	241.8	234.3	236.7	236.3	234.3	234.6	233.5	230.6	225.9	225.1	-9999.0
132	Beaufort Sea	266.6	263.9	256.7	257.2	256.4	250.5	244.0	245.0	261.5	252.2	237.9	237.8	245.8	259.5	262.1	259.1	252.5	244.8	254.5	270.4	274.1	264.0	260.2	261.5	265.3	271.8	278.6	270.4	262.2	231.1	-9999.0
134	Arctic Archipelago	233.4	234.6	233.1	231.9	234.6	234.1	232.4	226.5	218.1	208.8	204.8	205.1	205.9	204.2	214.0	219.2	213.5	210.5	210.7	210.7	203.3	196.8	205.6	211.4	212.1	209.7	209.4	198.8	197.4	200.4	-9999.0
136	Foxe Basin	214.4	213.2	217.8	223.2	230.1	227.8	228.4	234.1	245.1	227.9	230.8	224.8	221.5	215.2	210.7	210.1	207.7	200.9	195.7	197.1	208.8	217.3	216.9	211.5	218.3	210.0	210.4	206.7	197.8	191.9	-9999.0
138	Baffin Bay	196.1	199.1	193.6	181.3	176.0	177.7	175.2	173.6	168.6	179.7	186.9	188.0	191.1	184.7	183.7	178.5	177.8	182.3	180.7	175.7	170.7	187.2	205.6	194.7	187.9	179.5	173.3	167.2	155.4	154.9	-9999.0
139	South Greenland	217.2	220.6	204.6	192.0	186.3	182.6	175.6	171.7	173.9	206.0	217.0	212.8	221.3	221.5	215.9	207.8	204.8	200.2	196.2	192.9	202.2	209.8	212.3	209.0	191.0	185.3	178.3	177.0	172.6	193.9	-9999.0
140	Greenland Sea	195.8	186.6	180.2	174.3	178.3	177.6	171.2	163.8	159.6	157.3	170.6	169.0	173.8	175.9	177.4	174.6	176.0	181.1	177.3	177.9	169.7	174.7	195.1	193.9	174.8	153.5	153.5	144.2	144.0	147.8	-9999.0
142	Norwegian Sea	244.4	242.6	236.7	237.3	248.4	256.6	235.0	230.5	233.1	241.7	247.1	238.7	240.3	242.4	238.9	240.9	246.8	254.0	258.8	260.1	256.3	251.3	244.6	242.3	245.0	232.4	228.3	223.1	220.5	233.6	-9999.0
144	Barents Sea	288.3	297.4	285.2	286.5	274.7	258.5	262.3	267.2	261.2	252.3	261.1	278.2	277.7	268.7	270.1	263.8	235.2	234.7	228.5	240.9	243.2	247.8	230.6	221.1	221.9	221.3	222.1	219.4	216.6	218.6	-9999.0
146	Kara Sea	258.1	264.5	271.2	278.6	285.4	288.3	283.0	280.8	280.7	279.4	272.9	270.7	271.5	268.6	262.9	260.8	259.5	250.2	248.2	248.4	240.2	228.6	224.4	228.2	229.7	229.4	228.7	229.0	230.6	226.6	-9999.0
148	Laptev Sea	277.3	274.5	265.1	257.6	253.5	249.6	246.9	246.4	248.9	250.7	252.8	253.0	252.1	259.2	263.1	263.2	260.3	251.4	233.0	215.1	218.8	226.2	227.8	224.1	217.1	210.8	213.2	215.1	214.1	211.5	-9999.0
150	East Siberian Sea	253.0	253.3	258.4	261.7	262.6	267.8	256.1	239.4	229.0	220.9	224.7	231.2	216.3	205.9	222.6	241.8	250.1	248.2	244.9	229.6	206.8	201.8	207.0	211.0	214.9	213.9	205.7	201.4	196.8	189.0	-9999.0
152	Gulf of Alaska	247.9	243.1	249.2	242.5	234.0	235.6	243.2	256.8	250.0	240.6	241.1	240.6	249.4	251.0	246.7	238.7	240.8	246.3	253.8	258.8	258.5	254.9	238.2	251.1	261.3	252.8	244.6	249.3	221.4	221.3	-9999.0
154	Southeast Bering Sea	264.8	263.0	260.3	241.9	239.6	247.4	257.5	263.1	251.1	255.3	249.0	253.9	260.8	263.3	252.2	251.7	251.2	255.8	246.6	246.9	246.1	255.5	254.9	259.9	261.8	260.3	255.0	249.9	238.0	236.2	-9999.0