1964 09 - daily  - mean of NCEP mean Daily Downward Longwave Radiation 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	281.6	281.3	280.5	279.4	275.2	271.0	268.7	266.2	264.9	265.0	261.4	261.0	258.4	255.7	257.6	261.5	264.4	263.3	261.5	263.9	266.1	265.6	257.5	254.0	254.0	254.0	248.9	244.3	242.3	244.1	-9999.0
34	Hudson Bay	307.1	318.4	320.9	302.9	299.4	294.8	283.4	280.4	289.1	286.0	261.8	268.0	270.9	254.4	258.1	286.5	301.6	308.3	300.3	286.8	289.4	296.1	286.5	278.3	264.2	261.6	262.3	255.6	237.3	250.9	-9999.0
36	Hudson Strait	292.7	286.7	278.5	256.5	266.2	275.1	286.9	304.1	283.7	259.2	291.9	280.9	275.0	268.0	262.0	267.3	263.9	263.3	252.3	286.5	288.2	279.9	290.4	282.1	254.0	253.3	263.5	267.3	242.1	226.5	-9999.0
98	Bering Strait	276.0	285.0	271.3	268.2	279.7	272.5	271.4	266.8	267.5	280.0	285.2	276.4	267.9	268.5	266.5	245.9	243.9	249.7	254.5	249.8	251.2	252.2	261.4	261.8	269.7	277.2	263.9	264.4	258.3	256.0	-9999.0
128	Arctic subocean	197.4	198.7	197.9	208.5	210.2	198.3	201.4	205.6	207.0	203.2	187.6	179.4	190.4	179.3	175.7	177.7	176.9	183.6	199.9	205.0	207.9	240.6	202.0	185.0	168.7	149.0	166.4	164.1	163.5	150.4	-9999.0
130	Chukchi Sea	272.3	284.4	252.4	271.8	287.8	274.5	313.9	280.5	272.8	300.0	307.2	297.6	285.9	253.3	234.9	225.9	231.6	237.2	259.0	241.9	232.7	243.8	255.2	242.3	272.5	292.0	277.5	286.2	272.5	244.8	-9999.0
132	Beaufort Sea	291.0	293.9	285.1	281.0	259.1	255.4	253.4	255.2	252.2	260.3	269.0	254.6	239.4	251.8	276.6	271.9	271.5	262.3	257.9	257.4	259.9	265.3	257.8	264.0	254.9	259.3	250.3	228.4	238.8	262.2	-9999.0
134	Arctic Archipelago	270.5	280.0	274.7	263.3	250.8	243.7	231.0	222.4	220.8	240.4	246.0	239.4	221.7	212.2	218.4	222.3	235.4	247.9	257.8	253.3	249.2	236.8	235.0	225.7	224.8	207.9	194.2	197.4	199.7	211.1	-9999.0
136	Foxe Basin	260.0	255.9	284.7	296.6	273.9	268.0	271.1	271.4	277.4	273.0	258.6	270.4	274.8	262.5	249.4	260.6	275.5	258.8	253.3	297.1	274.2	260.2	252.7	248.3	255.7	231.6	218.4	217.9	220.2	213.5	-9999.0
138	Baffin Bay	178.7	177.5	184.6	187.3	190.3	199.3	221.7	221.2	217.3	189.5	184.7	191.4	191.4	180.3	173.3	171.2	166.3	169.0	175.7	187.9	220.0	217.4	179.7	174.1	168.3	188.0	187.3	190.2	152.2	136.9	-9999.0
139	South Greenland	222.1	202.7	199.1	209.7	194.2	194.8	208.3	216.4	205.9	195.5	188.1	201.3	201.6	198.3	190.2	183.8	187.8	185.6	170.2	162.9	172.2	166.9	162.2	165.3	201.9	223.0	191.5	182.8	191.8	186.9	-9999.0
140	Greenland Sea	173.9	159.6	166.6	183.6	181.0	172.3	162.3	162.2	171.8	178.7	175.9	179.9	167.5	165.0	165.7	179.3	164.6	160.5	154.7	157.8	150.9	174.7	165.1	161.6	134.7	166.3	168.1	164.0	148.1	142.8	-9999.0
142	Norwegian Sea	297.7	308.5	301.8	306.0	288.5	302.3	300.3	303.7	269.3	263.7	251.0	272.5	285.2	295.7	301.6	291.0	283.2	269.7	264.0	266.6	273.3	259.6	299.9	299.7	279.8	275.1	302.9	296.0	288.9	253.4	-9999.0
144	Barents Sea	295.6	285.6	278.3	275.1	285.2	284.1	274.7	292.1	306.2	310.9	310.9	294.4	285.2	290.1	282.3	286.4	304.0	308.0	307.6	293.7	303.8	293.6	281.9	282.4	279.0	262.7	249.3	275.4	299.9	302.2	-9999.0
146	Kara Sea	301.7	300.0	299.9	302.6	299.2	293.5	294.9	291.3	286.8	286.2	282.4	283.8	279.8	280.0	288.5	291.8	286.4	279.4	279.8	284.5	284.9	288.2	285.8	287.4	284.7	277.4	267.5	259.8	255.1	254.7	-9999.0
148	Laptev Sea	281.5	283.9	291.3	295.4	287.8	281.2	272.1	262.1	254.6	251.2	251.3	249.3	255.8	253.0	246.5	253.6	261.5	259.4	257.2	273.8	270.6	256.8	235.5	225.6	241.9	253.7	263.3	252.3	254.2	255.2	-9999.0
150	East Siberian Sea	268.1	250.3	245.9	243.7	255.2	251.4	248.8	243.6	248.7	246.6	238.1	252.4	255.2	256.3	247.7	240.6	237.8	236.1	231.5	249.6	258.3	262.3	249.4	237.5	227.3	217.2	225.0	226.1	246.6	238.7	-9999.0
152	Gulf of Alaska	279.5	271.6	279.0	291.1	283.4	276.4	266.8	265.9	266.4	266.2	266.7	278.2	302.2	302.4	283.8	272.8	277.3	277.6	286.1	267.1	283.0	277.7	271.3	250.9	273.7	287.1	264.6	280.8	285.5	265.5	-9999.0
154	Southeast Bering Sea	302.3	299.7	308.1	317.7	289.8	312.0	308.8	288.3	294.4	310.4	309.0	302.0	294.8	300.6	288.1	267.6	273.9	295.5	284.0	280.7	284.1	275.6	272.3	264.2	307.1	287.9	282.3	304.1	289.3	280.7	-9999.0