1964 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	242.7	247.2	250.0	248.6	246.8	248.2	250.8	254.3	257.2	256.6	257.4	257.1	256.4	254.1	253.8	257.9	263.3	268.7	271.2	269.8	268.9	268.2	269.4	269.3	269.4	272.2	273.0	275.3	278.0	280.3	-9999.0
34	Hudson Bay	236.2	241.0	246.4	254.2	261.6	264.1	270.3	280.6	275.6	264.1	279.0	288.4	279.4	263.7	258.7	261.4	275.4	281.5	278.1	271.4	279.5	288.8	286.9	274.0	275.6	286.3	296.3	303.0	309.3	301.0	-9999.0
36	Hudson Strait	223.7	225.9	229.0	232.1	237.7	243.7	235.1	229.3	253.5	249.6	239.0	253.5	258.5	250.2	233.7	247.2	243.2	239.3	226.5	228.3	235.4	226.7	230.8	219.7	224.4	230.6	234.5	227.0	238.1	270.9	-9999.0
98	Bering Strait	257.6	255.1	261.1	260.6	261.8	262.3	268.4	276.2	276.3	271.7	266.9	268.6	268.5	267.4	269.6	273.0	276.5	277.3	281.9	272.5	264.9	266.2	266.4	259.3	245.2	245.2	252.3	263.4	265.8	266.7	-9999.0
128	Arctic subocean	187.8	184.8	187.3	197.6	203.9	204.1	203.0	202.5	206.1	206.6	209.6	209.9	209.1	210.0	205.0	205.1	204.4	203.6	209.0	213.9	218.6	212.7	211.6	212.1	211.9	209.9	208.9	215.2	215.9	211.9	-9999.0
130	Chukchi Sea	241.5	237.7	244.8	246.6	238.7	242.9	263.3	267.0	262.7	255.9	256.9	255.1	255.8	258.2	259.7	259.5	258.2	258.9	259.5	259.0	259.4	256.1	251.1	242.6	223.9	232.6	240.2	249.7	253.0	257.0	-9999.0
132	Beaufort Sea	265.2	269.0	265.8	262.7	268.1	271.3	271.4	268.4	272.7	275.3	268.5	254.5	255.4	254.3	263.9	276.1	280.0	280.7	282.5	281.8	277.2	267.7	266.7	268.5	265.4	261.7	255.2	262.6	262.6	270.2	-9999.0
134	Arctic Archipelago	216.2	227.4	221.9	216.7	217.9	224.0	224.6	224.7	223.6	214.3	210.5	215.9	217.2	224.4	225.8	223.2	217.3	222.1	228.1	223.8	226.0	220.9	225.9	229.1	240.5	248.2	244.5	236.3	239.3	247.8	-9999.0
136	Foxe Basin	217.8	221.4	220.0	220.3	219.4	223.1	232.7	231.0	230.6	230.7	226.7	222.3	213.9	214.2	215.4	215.6	210.7	214.0	209.0	211.1	211.3	212.3	216.9	220.0	220.2	223.1	230.2	239.8	239.1	241.5	-9999.0
138	Baffin Bay	182.1	175.1	182.9	188.9	186.8	184.7	185.5	188.0	193.9	190.1	191.1	191.4	194.4	192.0	189.9	184.4	188.6	195.6	208.7	217.0	209.3	200.4	199.1	190.9	193.7	194.2	193.8	197.4	197.8	194.6	-9999.0
139	South Greenland	210.2	205.6	205.0	201.8	198.3	194.7	195.6	197.1	195.3	191.8	192.5	189.8	187.4	187.8	199.0	195.0	205.2	220.4	224.9	215.1	192.9	190.7	192.4	190.8	192.8	193.4	192.7	195.0	196.0	197.9	-9999.0
140	Greenland Sea	193.9	181.1	171.3	170.4	175.9	183.8	187.9	187.9	184.8	183.4	176.1	179.8	178.5	181.7	186.0	188.2	188.6	195.8	214.0	219.6	213.6	199.4	190.6	195.5	189.8	189.1	183.8	182.5	189.6	190.2	-9999.0
142	Norwegian Sea	221.6	226.2	240.7	252.8	249.3	252.4	246.0	263.0	262.5	251.7	262.2	268.3	267.6	294.0	292.0	265.0	255.6	250.4	258.9	267.4	253.9	271.0	279.8	282.9	273.1	276.6	278.4	251.8	251.2	246.3	-9999.0
144	Barents Sea	262.2	249.5	231.8	240.2	265.3	259.3	254.6	238.0	242.1	268.0	265.1	259.4	270.5	270.0	274.6	292.4	293.3	289.8	282.2	283.8	295.6	275.0	269.4	291.4	304.0	299.4	286.5	295.2	301.4	304.6	-9999.0
146	Kara Sea	275.1	283.4	282.9	264.5	242.2	242.8	251.5	262.3	268.0	266.4	264.4	266.5	274.3	274.4	269.9	271.3	276.6	284.0	289.0	293.4	294.1	295.5	298.2	299.1	295.0	293.1	292.2	293.4	294.9	298.8	-9999.0
148	Laptev Sea	209.9	222.1	243.6	259.3	263.7	260.3	251.9	251.3	259.2	267.0	275.4	267.7	246.8	246.6	251.2	261.9	266.9	273.9	278.9	278.1	278.7	280.3	283.5	286.1	288.7	298.3	300.3	297.5	301.7	305.7	-9999.0
150	East Siberian Sea	232.7	243.3	244.0	244.4	254.0	276.4	282.3	280.5	279.6	277.0	270.8	268.9	279.9	270.3	263.8	263.8	271.6	280.8	281.4	268.8	254.0	257.3	261.2	266.5	275.0	285.0	295.9	297.9	296.2	298.0	-9999.0
152	Gulf of Alaska	263.0	264.6	263.5	259.1	266.4	259.8	264.5	270.8	270.4	265.1	257.1	261.7	268.7	268.7	256.8	260.3	272.5	276.0	269.6	252.2	248.9	255.1	266.1	266.1	264.8	261.1	261.7	262.3	260.3	252.7	-9999.0
154	Southeast Bering Sea	278.1	271.9	275.6	281.1	285.3	274.3	275.2	275.6	270.3	267.2	268.0	273.1	282.6	288.4	277.4	273.1	283.2	280.9	269.2	265.5	260.2	265.1	275.6	277.6	282.8	280.1	270.7	269.7	260.8	261.5	-9999.0