1981 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	257.8	257.8	254.2	252.8	253.4	255.3	254.4	251.9	251.0	249.7	247.8	247.0	244.3	239.6	239.4	238.0	234.9	233.0	229.5	227.0	224.9	221.7	221.4	216.7	214.9	215.3	215.4	212.1	210.3	212.0	-9999.0
34	Hudson Bay	284.8	286.5	271.4	262.0	275.3	289.4	290.5	280.3	286.7	288.4	279.4	279.3	270.5	260.0	254.7	255.9	267.6	275.7	263.9	253.8	251.2	254.3	258.2	250.5	251.3	254.3	238.7	225.2	227.5	233.5	-9999.0
36	Hudson Strait	315.1	300.2	308.5	277.4	253.8	263.4	278.3	294.4	289.1	274.5	253.0	246.4	256.1	250.6	247.9	250.3	236.0	235.2	245.0	240.0	228.8	217.8	231.1	240.0	244.4	225.1	230.2	252.3	253.0	254.3	-9999.0
98	Bering Strait	230.2	231.0	236.3	236.9	240.1	243.4	241.7	233.9	233.7	236.2	232.5	229.7	225.9	222.1	226.2	224.1	220.8	226.1	224.5	218.1	215.7	212.0	217.4	219.6	216.5	211.1	204.3	198.2	206.1	210.8	-9999.0
128	Arctic subocean	190.4	184.9	192.5	205.2	207.8	201.4	202.9	190.3	182.0	183.4	203.8	215.7	202.2	187.3	182.2	178.3	172.7	168.6	166.0	170.2	169.7	159.8	155.3	148.1	140.1	149.4	155.5	151.2	149.2	156.9	-9999.0
130	Chukchi Sea	233.4	230.5	234.9	235.6	225.9	233.0	239.6	236.2	231.5	228.4	220.2	218.9	225.5	224.9	220.8	214.6	214.1	217.9	215.3	205.5	203.0	208.9	220.9	215.3	212.2	204.9	196.3	192.3	195.8	199.1	-9999.0
132	Beaufort Sea	241.2	223.3	221.5	231.5	239.0	252.3	268.0	280.5	275.4	267.7	259.6	253.8	246.0	242.9	255.9	266.0	260.5	258.1	266.4	256.5	239.4	230.5	227.2	226.5	225.0	221.1	222.6	228.0	228.3	229.5	-9999.0
134	Arctic Archipelago	220.9	220.4	225.2	225.2	222.4	217.8	217.8	220.7	220.6	218.5	214.4	215.8	212.8	211.1	215.3	226.6	233.4	224.6	217.9	229.2	226.2	210.7	206.0	200.7	190.4	183.6	180.8	188.0	189.1	194.7	-9999.0
136	Foxe Basin	235.4	227.0	243.1	253.0	229.7	230.7	237.0	239.2	248.5	237.4	231.0	228.8	241.4	234.7	220.2	214.6	212.1	210.7	204.0	199.7	202.5	210.2	208.0	225.1	231.5	224.9	209.2	203.8	216.2	231.5	-9999.0
138	Baffin Bay	174.0	178.3	177.3	182.0	186.3	186.7	182.1	170.7	171.2	180.8	217.3	213.8	198.6	180.7	170.9	164.9	159.4	153.7	143.8	147.5	159.8	154.0	148.4	140.9	145.8	155.7	167.9	161.1	148.5	141.6	-9999.0
139	South Greenland	172.9	205.2	186.2	187.5	187.8	181.4	179.6	175.6	179.7	191.0	198.6	201.0	205.9	201.7	198.6	198.4	198.3	195.1	185.0	177.5	176.7	180.4	175.2	156.8	154.6	168.2	181.3	181.6	175.7	178.9	-9999.0
140	Greenland Sea	165.7	163.8	165.6	171.8	182.2	177.4	171.2	171.8	176.8	176.0	175.4	187.0	185.2	179.8	171.0	160.1	153.2	137.0	130.9	133.8	131.3	129.5	131.7	121.1	112.2	126.3	146.5	153.2	133.7	126.6	-9999.0
142	Norwegian Sea	261.3	263.0	260.1	266.6	290.2	252.1	251.1	261.5	261.9	260.8	265.3	262.4	250.6	253.7	242.0	245.0	254.9	261.2	266.1	260.5	248.2	249.5	247.6	247.3	256.4	267.2	272.3	269.6	259.0	255.4	-9999.0
144	Barents Sea	296.1	284.5	283.3	283.5	284.0	283.6	270.1	257.6	258.8	256.9	255.9	253.2	251.1	246.5	244.7	244.1	240.0	239.8	237.5	237.7	235.1	239.2	245.9	250.3	247.5	253.3	260.2	251.8	257.2	270.8	-9999.0
146	Kara Sea	288.2	293.4	290.7	286.6	282.9	283.5	281.6	276.8	269.7	267.0	268.1	269.5	271.0	266.7	267.5	260.3	251.6	244.0	236.4	234.4	237.6	233.4	228.8	220.5	221.2	227.9	228.7	217.6	208.2	207.3	-9999.0
148	Laptev Sea	257.7	253.2	247.4	248.1	244.0	238.6	236.2	239.8	241.8	238.5	234.2	231.8	227.6	225.8	224.3	221.6	217.1	220.4	223.1	226.3	218.5	210.1	210.2	212.3	207.2	195.8	199.6	204.2	207.3	207.9	-9999.0
150	East Siberian Sea	242.1	243.1	242.0	241.2	239.7	237.4	227.1	225.1	226.4	226.0	222.5	217.4	214.8	213.9	215.0	217.1	208.6	201.6	203.2	207.7	218.7	225.6	226.7	216.2	212.8	205.7	203.8	220.4	221.0	212.8	-9999.0
152	Gulf of Alaska	243.0	245.5	254.7	259.5	264.1	269.0	257.8	249.3	248.9	251.7	247.7	243.2	241.5	242.6	251.7	243.6	239.8	246.8	249.5	238.0	227.7	221.9	223.2	229.4	221.4	214.2	212.4	205.9	216.7	227.1	-9999.0
154	Southeast Bering Sea	287.3	282.8	284.1	280.8	277.1	278.6	272.3	268.0	264.4	261.0	258.4	255.6	254.7	250.8	245.5	246.6	235.5	225.8	238.0	234.9	219.8	228.2	244.7	229.4	218.6	225.3	234.3	210.6	204.4	206.4	-9999.0