1963 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	279.1	279.4	276.2	274.3	275.8	272.8	269.2	268.9	271.2	268.0	263.0	258.7	263.9	264.2	262.9	259.6	261.5	260.4	255.6	255.3	259.6	261.8	264.2	261.5	257.5	256.8	256.7	253.8	251.1	250.0	-9999.0
34	Hudson Bay	290.7	283.9	277.8	291.3	312.3	310.3	302.8	301.4	303.4	304.7	292.7	254.4	276.9	309.9	297.5	284.5	292.9	290.0	269.5	263.9	263.1	277.9	296.1	307.3	297.1	281.2	271.2	261.9	268.5	281.1	-9999.0
36	Hudson Strait	280.6	263.9	259.6	259.4	270.5	280.0	293.3	251.2	276.5	253.5	255.8	245.1	245.1	254.3	310.0	280.2	231.4	265.5	235.6	225.2	241.6	224.8	259.2	274.1	297.9	303.0	272.8	217.5	235.5	254.7	-9999.0
98	Bering Strait	285.3	291.5	290.0	287.8	279.4	263.9	258.4	260.0	271.3	271.0	261.6	256.8	251.6	239.0	236.9	248.1	251.3	264.5	264.7	262.2	262.7	251.5	239.4	232.7	233.2	237.9	274.6	275.2	256.6	256.8	-9999.0
128	Arctic subocean	224.3	220.7	199.2	193.4	185.3	186.1	189.3	181.3	181.7	181.0	177.1	181.3	181.7	184.9	183.0	180.3	171.0	168.8	175.2	182.0	196.9	182.1	174.3	196.6	193.7	168.3	173.2	182.0	177.0	179.8	-9999.0
130	Chukchi Sea	295.9	291.7	292.9	278.0	279.6	259.9	243.0	235.7	247.9	261.4	254.8	243.2	230.6	225.5	235.3	245.9	256.3	249.8	241.6	234.1	255.9	246.7	250.4	237.9	231.2	224.5	258.5	266.1	243.7	218.9	-9999.0
132	Beaufort Sea	293.3	288.7	290.5	298.6	290.6	279.8	281.9	272.7	293.2	287.7	276.7	287.2	287.2	266.8	241.7	244.8	248.6	256.9	259.1	271.0	296.2	282.9	282.6	263.3	261.4	267.8	269.6	281.7	293.4	296.7	-9999.0
134	Arctic Archipelago	220.5	232.0	229.2	230.4	232.2	236.1	232.4	238.2	228.2	222.2	208.8	216.8	227.6	223.1	215.4	218.2	213.0	222.2	230.7	221.7	246.0	260.3	220.8	201.8	198.2	208.6	205.2	215.6	221.7	244.4	-9999.0
136	Foxe Basin	268.1	267.7	269.3	264.3	264.0	260.7	251.6	256.6	260.6	245.7	239.4	239.7	229.1	234.0	267.4	252.5	228.3	241.6	227.8	251.3	217.4	262.2	254.3	206.4	215.1	225.7	233.0	234.5	219.7	215.6	-9999.0
138	Baffin Bay	203.2	195.5	190.1	207.9	206.6	201.6	191.9	189.2	196.0	183.8	171.9	175.6	183.4	183.0	180.6	182.6	177.6	175.3	159.1	164.0	180.3	201.9	209.8	197.3	161.5	157.7	173.0	165.4	201.6	210.0	-9999.0
139	South Greenland	228.8	228.5	238.9	232.2	218.0	210.3	210.8	215.5	193.3	194.0	200.7	201.5	221.2	204.5	204.7	203.0	201.4	191.7	201.5	184.0	159.6	161.4	172.9	178.4	168.1	165.4	182.1	204.4	219.8	198.4	-9999.0
140	Greenland Sea	174.7	172.0	171.2	173.5	181.8	183.4	179.2	172.4	181.2	179.9	175.9	161.1	186.8	195.2	185.0	172.1	145.7	141.5	152.9	158.2	160.3	159.3	162.5	166.9	164.4	183.6	180.0	185.0	163.9	163.0	-9999.0
142	Norwegian Sea	280.1	305.8	326.5	316.4	316.3	299.7	292.0	293.4	315.7	306.4	289.7	283.2	293.1	298.0	303.5	299.0	308.7	283.3	266.2	289.0	305.9	310.4	305.7	314.0	316.5	313.2	301.1	284.4	279.1	277.3	-9999.0
144	Barents Sea	327.7	324.3	305.5	312.9	322.3	314.7	327.7	328.3	303.5	263.1	281.7	306.4	320.5	305.6	312.6	288.0	275.3	267.7	293.4	279.8	282.8	293.8	295.7	293.9	306.3	303.6	298.2	321.4	311.2	285.2	-9999.0
146	Kara Sea	292.0	297.7	293.6	281.0	274.6	272.8	267.0	271.2	278.1	282.2	273.9	275.2	272.4	274.9	282.5	282.4	287.3	283.6	271.1	274.2	279.0	280.0	282.2	284.7	272.2	270.4	268.2	255.2	249.7	252.0	-9999.0
148	Laptev Sea	293.4	288.3	282.4	277.1	282.1	283.8	274.5	276.7	266.1	262.5	265.9	260.2	265.7	261.4	261.1	257.6	264.1	263.1	262.8	254.6	260.0	272.4	275.5	264.9	272.0	267.4	255.8	255.7	234.3	219.1	-9999.0
150	East Siberian Sea	240.0	255.1	259.7	255.3	265.5	264.1	271.9	268.9	284.9	281.5	279.3	269.4	269.3	263.0	260.8	258.2	265.2	253.0	253.2	281.0	267.2	234.0	234.9	230.0	242.0	257.3	261.2	250.1	252.0	245.4	-9999.0
152	Gulf of Alaska	303.7	305.3	317.0	306.8	308.5	313.4	307.5	300.3	308.7	308.6	292.6	290.9	290.9	286.8	254.8	260.6	288.4	289.9	281.4	289.5	275.9	275.3	265.0	263.2	258.0	261.0	300.5	290.7	282.7	285.7	-9999.0
154	Southeast Bering Sea	332.2	319.6	314.3	307.1	304.6	308.3	301.8	300.3	308.9	303.1	299.8	295.2	272.0	272.9	271.6	300.3	308.7	283.0	274.0	270.0	266.8	253.0	254.8	256.4	243.7	285.2	309.9	276.7	285.6	282.5	-9999.0