1973 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	282.9	282.5	280.3	282.4	282.1	283.9	283.5	281.5	282.5	280.8	279.9	278.7	276.8	268.3	268.2	264.3	260.7	261.4	259.2	255.5	254.6	251.0	250.2	256.5	259.2	252.1	248.8	243.9	244.4	244.9	-9999.0
34	Hudson Bay	333.9	316.0	304.4	326.2	317.3	292.5	293.5	301.7	311.0	306.9	286.3	279.4	275.8	267.4	256.0	254.1	252.8	258.0	253.3	257.9	265.7	267.4	265.8	290.6	314.7	299.7	284.3	282.3	273.9	283.4	-9999.0
36	Hudson Strait	308.3	334.9	277.9	259.7	291.8	334.2	313.1	303.8	285.8	270.8	274.3	280.5	282.1	282.8	266.8	240.6	247.1	257.7	245.3	263.4	256.0	250.1	237.7	269.2	262.5	306.8	304.2	269.9	271.5	262.1	-9999.0
98	Bering Strait	255.1	262.9	263.4	262.4	265.2	266.4	268.6	268.3	269.0	265.9	258.9	264.0	282.1	275.2	279.5	271.1	269.0	263.7	255.4	251.3	261.1	256.5	247.3	239.0	241.7	247.1	252.6	244.7	260.6	262.8	-9999.0
128	Arctic subocean	251.4	246.6	226.3	212.2	227.8	236.3	228.3	218.2	189.1	190.6	202.7	209.4	199.3	197.9	171.8	169.4	177.1	193.9	187.8	197.9	205.5	189.8	179.4	191.4	175.8	172.6	156.1	167.8	187.3	172.9	-9999.0
130	Chukchi Sea	267.0	259.6	268.7	262.3	251.5	255.6	266.9	252.9	248.4	264.4	281.4	297.6	308.6	279.4	305.6	303.0	307.8	282.4	285.9	262.0	260.3	256.0	250.8	260.4	252.3	216.5	229.1	253.4	294.5	295.7	-9999.0
132	Beaufort Sea	270.3	292.8	288.8	272.3	272.1	304.9	306.4	289.0	280.7	268.8	272.5	267.4	248.1	254.4	261.2	261.9	261.0	263.9	265.9	267.2	269.1	277.3	279.1	275.4	268.3	245.8	255.0	260.2	262.9	255.1	-9999.0
134	Arctic Archipelago	254.4	262.3	255.1	257.3	252.9	239.2	273.1	296.0	276.0	246.1	221.2	205.9	219.0	245.2	269.7	215.4	204.4	223.8	237.3	220.7	222.6	244.2	256.9	247.1	256.2	250.8	228.9	218.3	214.7	230.4	-9999.0
136	Foxe Basin	255.5	266.9	241.3	252.5	288.1	295.7	265.5	243.7	270.5	292.7	283.6	284.5	258.3	248.1	244.2	264.6	262.8	242.9	248.3	240.4	246.2	225.6	243.5	234.8	238.2	301.1	297.6	281.4	274.1	223.4	-9999.0
138	Baffin Bay	215.0	210.3	194.7	192.5	218.3	231.2	217.7	201.2	218.6	247.1	227.9	223.0	204.8	173.1	176.9	188.5	197.0	211.8	216.8	209.3	205.2	176.1	169.7	172.0	164.5	166.0	184.1	197.9	189.9	197.1	-9999.0
139	South Greenland	220.8	210.6	213.2	221.5	202.5	201.8	192.4	203.1	222.2	240.7	259.0	261.1	254.3	233.8	243.7	239.7	244.5	241.4	231.9	209.9	196.8	201.7	207.2	204.0	206.6	192.6	180.0	175.8	210.3	225.2	-9999.0
140	Greenland Sea	193.4	196.8	186.1	167.6	161.2	178.9	170.8	171.6	164.4	196.6	196.3	197.4	211.3	179.1	161.1	167.9	181.2	190.8	209.0	221.4	210.1	160.0	160.2	176.8	181.7	159.9	150.1	143.3	152.8	171.0	-9999.0
142	Norwegian Sea	299.4	306.2	303.8	291.0	300.2	298.9	300.4	311.3	292.7	272.3	275.4	263.1	292.9	294.4	303.3	279.7	299.5	296.3	293.0	296.2	277.6	265.5	266.0	276.0	283.7	263.4	265.2	272.0	281.1	278.8	-9999.0
144	Barents Sea	289.8	286.2	281.5	282.6	283.5	287.2	275.7	261.0	260.8	268.2	278.8	262.9	264.1	271.5	270.0	262.5	262.8	274.4	272.3	260.5	250.6	235.2	232.3	262.2	274.1	260.7	265.3	279.7	274.0	286.3	-9999.0
146	Kara Sea	301.8	300.7	303.0	303.6	303.2	308.5	308.4	303.2	303.9	298.6	302.4	302.3	302.9	295.4	297.5	298.0	286.3	276.0	269.6	269.6	258.9	254.3	253.7	262.2	261.6	253.6	256.2	244.6	240.9	233.5	-9999.0
148	Laptev Sea	284.7	286.3	297.2	302.0	296.4	291.3	290.3	295.7	300.9	299.5	304.3	307.2	296.5	273.1	273.7	272.3	266.3	277.9	280.9	264.3	272.6	265.8	268.2	255.5	254.3	247.9	239.2	235.8	234.0	235.6	-9999.0
150	East Siberian Sea	252.7	249.8	251.0	247.2	265.0	271.7	276.0	261.6	259.6	263.0	264.8	274.9	277.6	268.4	243.2	244.0	250.5	245.3	238.7	247.6	253.6	259.0	248.2	265.4	260.0	266.9	261.4	239.7	239.0	222.6	-9999.0
152	Gulf of Alaska	290.8	276.3	264.5	285.9	293.5	286.0	274.8	285.1	274.9	277.4	258.1	265.1	290.9	290.7	289.0	280.0	282.2	265.1	257.1	256.1	278.8	267.1	244.7	256.7	254.9	282.8	266.9	252.9	240.3	255.4	-9999.0
154	Southeast Bering Sea	269.5	269.5	274.8	288.5	291.1	293.7	297.1	291.5	279.4	273.8	295.6	311.5	324.9	301.0	326.3	313.6	287.9	270.3	262.4	261.2	261.2	244.2	249.9	264.4	255.6	249.7	239.0	260.5	291.2	320.7	-9999.0