1964 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	255.0	255.6	255.1	253.5	250.2	245.9	243.6	240.4	238.5	237.4	235.8	234.7	232.6	230.4	232.0	235.4	237.5	238.6	238.7	239.8	240.6	238.8	232.6	227.1	224.5	222.9	218.5	215.1	213.7	212.7	-9999.0
34	Hudson Bay	283.5	294.7	292.5	280.8	275.7	267.9	260.9	258.4	261.5	256.1	239.4	244.4	246.9	235.3	235.1	255.0	271.5	280.7	275.3	264.7	266.9	269.0	262.7	251.7	240.1	233.8	232.8	226.5	218.1	223.6	-9999.0
36	Hudson Strait	257.0	253.9	254.4	247.5	254.0	261.8	269.6	268.3	242.8	233.9	246.2	231.2	235.2	230.3	229.4	229.9	230.1	232.7	234.9	250.2	255.6	252.4	258.3	248.7	229.5	223.8	229.2	225.7	214.1	203.4	-9999.0
98	Bering Strait	243.2	248.1	243.4	233.9	237.7	237.4	239.4	240.4	238.3	248.4	253.3	248.0	242.2	238.8	231.8	220.6	218.5	224.1	229.0	228.4	227.8	230.1	232.9	228.6	229.7	232.4	227.1	228.1	225.1	221.3	-9999.0
128	Arctic subocean	181.4	182.3	179.6	182.1	185.0	178.8	176.8	178.2	176.9	175.2	172.2	172.6	178.9	172.1	169.6	171.1	170.8	173.4	176.5	182.7	180.3	194.4	182.0	168.5	153.5	141.0	148.7	144.4	137.5	126.3	-9999.0
130	Chukchi Sea	241.5	241.0	227.9	231.8	243.2	240.5	259.8	244.9	237.4	254.2	261.7	260.4	253.2	231.9	210.5	205.1	204.7	208.8	222.5	215.4	210.3	222.1	224.9	218.9	233.0	240.2	237.3	237.6	231.7	212.6	-9999.0
132	Beaufort Sea	264.6	267.2	263.4	253.0	230.1	230.7	231.4	231.0	229.3	233.7	245.8	235.6	220.3	223.6	242.1	244.8	244.6	241.3	239.7	239.5	238.7	242.4	240.7	239.6	229.5	227.9	225.5	213.9	217.4	228.0	-9999.0
134	Arctic Archipelago	244.5	250.5	246.3	235.4	224.2	217.2	208.6	204.2	204.7	212.5	211.8	204.9	202.1	197.5	201.7	208.4	217.4	223.5	223.9	220.1	216.1	210.6	208.9	202.5	196.3	186.3	176.8	179.5	178.9	187.0	-9999.0
136	Foxe Basin	235.7	237.9	250.1	254.3	244.8	242.0	236.9	236.1	233.5	230.3	225.4	230.9	233.4	231.2	227.4	228.7	237.1	232.7	226.9	243.3	232.3	219.5	211.7	211.0	215.0	206.3	195.1	190.0	189.0	187.4	-9999.0
138	Baffin Bay	165.2	165.8	168.1	170.6	173.9	179.1	182.7	183.2	183.5	173.4	172.5	176.9	182.1	174.2	167.7	165.5	162.1	163.4	164.3	165.8	177.7	182.9	165.4	159.0	151.5	162.2	160.9	156.1	135.2	118.0	-9999.0
139	South Greenland	202.7	191.4	187.6	188.0	183.5	181.2	187.4	191.9	188.2	180.9	176.9	181.0	181.7	177.2	173.5	170.9	171.8	170.8	160.9	154.4	159.2	152.6	148.8	152.8	173.1	186.6	166.6	159.1	166.1	164.4	-9999.0
140	Greenland Sea	156.4	147.3	148.9	155.3	154.1	151.6	150.1	151.2	158.8	160.9	161.2	166.7	162.9	156.8	157.7	165.2	158.0	154.5	149.4	150.2	145.2	154.9	155.4	152.3	130.2	144.5	145.8	140.8	134.4	127.3	-9999.0
142	Norwegian Sea	258.0	261.6	264.4	264.6	267.0	270.1	267.3	256.9	239.6	234.8	228.9	237.1	242.2	253.6	257.6	257.4	253.8	246.0	237.6	236.2	240.1	237.9	257.2	263.8	253.8	250.7	262.8	256.0	247.0	230.8	-9999.0
144	Barents Sea	265.6	253.6	247.2	246.3	252.0	252.0	247.5	260.9	279.9	280.6	273.7	257.4	252.1	256.6	250.2	256.1	267.1	276.9	275.8	266.2	269.4	257.9	246.7	245.8	243.8	234.2	225.2	238.7	252.5	259.1	-9999.0
146	Kara Sea	277.0	276.2	277.5	280.3	276.8	269.4	268.9	264.1	257.9	256.4	256.1	256.7	254.0	256.9	263.5	265.0	261.8	258.4	260.7	265.9	264.4	264.0	261.9	258.2	254.7	246.2	235.8	232.3	229.4	221.1	-9999.0
148	Laptev Sea	256.0	255.7	258.1	263.0	264.6	259.3	251.0	238.4	231.8	226.4	226.1	225.3	224.2	220.8	218.4	222.8	225.3	226.6	230.3	240.3	241.4	230.0	209.1	199.7	209.7	220.0	223.2	215.5	215.8	219.4	-9999.0
150	East Siberian Sea	218.2	216.8	220.3	222.8	226.5	223.0	215.4	209.9	212.8	213.4	211.9	218.4	220.1	217.6	215.8	210.5	204.4	199.0	199.7	208.2	215.3	217.0	208.9	200.1	189.7	188.2	195.8	198.7	206.1	206.6	-9999.0
152	Gulf of Alaska	253.2	254.8	258.4	255.4	253.2	246.0	245.8	254.7	250.4	251.9	250.6	252.3	263.0	260.4	252.0	246.4	246.0	248.5	252.5	244.7	247.0	244.9	240.6	233.9	235.6	242.2	233.8	240.1	244.5	237.5	-9999.0
154	Southeast Bering Sea	267.1	273.0	271.6	275.5	257.0	264.3	280.5	266.3	271.4	284.3	280.9	273.3	269.4	271.3	262.3	248.6	252.9	263.9	260.1	253.0	257.6	253.8	248.1	242.1	256.1	250.9	247.6	259.2	248.3	246.1	-9999.0