1963 06 - 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	237.4	241.9	243.6	244.7	246.2	246.9	248.4	252.0	250.3	250.4	251.5	252.7	254.1	255.4	256.8	258.3	261.2	263.5	265.5	266.3	266.2	266.8	268.8	272.6	271.6	269.0	268.6	270.4	273.2	274.5	-9999.0
34	Hudson Bay	271.9	286.6	286.6	283.7	286.2	284.9	285.7	285.0	263.5	252.5	253.9	264.1	267.9	273.5	277.4	281.3	280.7	277.9	277.6	277.7	285.5	295.0	298.8	302.9	308.6	301.2	298.5	304.1	314.5	309.8	-9999.0
36	Hudson Strait	200.4	225.4	229.2	223.4	215.4	210.1	214.9	214.6	224.3	235.7	223.4	229.5	240.1	242.8	246.5	260.1	269.2	268.1	255.4	248.4	239.2	255.0	273.5	297.5	238.7	238.4	253.6	240.0	266.3	250.6	-9999.0
98	Bering Strait	231.7	231.7	229.3	235.2	233.8	230.0	237.1	245.7	251.0	251.4	248.8	252.3	254.9	253.9	248.8	246.1	245.6	249.4	254.7	256.9	258.7	262.1	253.2	248.1	247.9	250.0	255.7	256.4	256.5	267.5	-9999.0
128	Arctic subocean	186.8	193.4	195.4	195.3	200.6	200.6	205.1	208.5	216.3	221.7	215.4	214.8	215.2	214.0	210.0	209.0	206.1	206.1	209.3	209.4	209.3	211.1	211.1	214.3	214.1	214.2	208.7	207.9	207.5	207.2	-9999.0
130	Chukchi Sea	209.0	204.7	217.0	230.8	230.5	225.6	228.1	231.5	232.9	234.5	236.6	243.9	247.0	251.8	250.9	245.7	244.3	247.2	253.6	255.5	251.8	262.8	253.6	246.3	240.5	241.5	256.8	251.7	245.3	255.3	-9999.0
132	Beaufort Sea	247.3	252.3	260.9	271.5	277.0	268.2	259.7	259.8	262.1	268.1	271.8	267.7	264.0	266.4	272.5	278.0	280.1	276.0	275.2	272.2	260.9	254.5	260.9	274.7	267.4	260.1	262.0	266.9	273.8	280.1	-9999.0
134	Arctic Archipelago	205.9	207.8	208.9	212.2	219.1	226.3	236.1	241.8	235.9	229.8	233.5	234.8	235.6	235.6	234.3	231.9	232.7	235.1	240.9	238.9	232.0	225.9	225.8	231.7	245.3	251.1	242.8	243.2	248.8	256.1	-9999.0
136	Foxe Basin	207.0	204.0	205.3	202.1	204.0	202.3	200.3	200.0	200.7	209.1	218.1	219.3	218.1	221.1	222.1	224.0	230.8	230.1	220.8	224.8	232.5	236.6	234.6	235.3	222.1	224.9	230.2	233.7	238.0	235.8	-9999.0
138	Baffin Bay	178.3	182.3	181.2	177.4	175.2	176.1	175.9	175.0	191.4	206.0	199.0	193.0	189.7	192.3	189.6	186.7	186.6	186.9	192.2	194.6	191.5	196.3	193.1	191.9	196.1	195.1	192.3	192.7	195.1	193.0	-9999.0
139	South Greenland	190.6	198.3	194.8	183.2	182.6	185.1	189.1	206.7	210.4	206.0	210.9	212.2	213.4	207.7	200.0	197.2	198.3	201.1	205.0	202.6	202.5	202.8	207.0	208.8	210.1	205.2	204.0	210.8	222.2	222.9	-9999.0
140	Greenland Sea	179.6	182.5	193.3	190.0	186.9	184.9	182.0	181.3	183.1	196.5	202.0	195.9	195.6	193.0	191.2	186.9	189.0	192.5	198.0	201.1	202.3	205.3	204.0	203.1	203.9	204.5	200.0	196.2	195.1	203.7	-9999.0
142	Norwegian Sea	280.1	273.1	254.0	254.6	269.7	258.1	260.4	266.5	270.0	248.7	247.7	244.1	238.6	243.1	248.5	253.6	266.5	271.8	280.0	277.3	269.1	263.9	263.6	269.8	271.8	281.8	286.8	288.3	280.4	270.0	-9999.0
144	Barents Sea	238.7	243.9	252.8	260.6	251.6	249.9	243.6	232.8	238.3	248.4	249.7	246.2	256.2	262.0	255.6	257.4	259.4	266.7	283.6	294.9	296.2	287.0	294.5	305.0	315.0	323.5	321.2	320.2	324.5	312.6	-9999.0
146	Kara Sea	251.7	251.1	248.8	246.7	249.0	257.5	263.9	272.0	271.3	271.0	272.1	271.9	269.7	266.7	273.5	280.4	287.6	290.1	286.7	285.5	287.4	293.2	298.4	297.5	289.9	280.5	279.8	281.8	281.2	283.8	-9999.0
148	Laptev Sea	233.5	239.7	247.2	255.0	256.4	250.0	247.6	252.4	249.9	248.8	249.2	250.8	258.4	263.4	257.9	250.8	256.6	266.4	273.2	274.0	267.1	259.6	262.4	271.0	275.4	278.1	278.3	276.9	270.0	268.5	-9999.0
150	East Siberian Sea	228.4	232.8	228.3	228.6	240.2	245.0	240.3	233.8	236.2	242.9	247.9	248.2	244.5	251.1	258.8	256.2	248.0	245.1	249.8	264.4	279.4	268.3	251.5	253.7	254.1	259.7	258.3	266.4	277.1	279.8	-9999.0
152	Gulf of Alaska	239.4	235.1	240.0	241.2	229.1	227.0	236.2	247.6	252.0	248.0	239.4	245.0	247.1	239.4	241.4	244.7	245.3	251.9	256.9	253.9	254.2	257.2	250.0	239.9	243.5	251.8	258.3	254.5	250.1	270.8	-9999.0
154	Southeast Bering Sea	256.9	248.7	250.1	238.5	218.7	234.6	248.8	256.9	266.5	255.9	254.6	256.6	261.1	265.8	261.4	259.9	268.9	271.6	271.1	268.4	266.5	260.1	251.8	258.7	261.5	270.9	264.0	254.1	258.1	296.6	-9999.0