1971 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	291.2	288.3	284.6	285.4	286.5	284.6	283.5	281.0	278.2	278.1	277.9	276.4	274.4	273.2	270.2	264.4	263.7	261.4	260.5	258.4	255.1	255.0	256.0	252.3	250.0	248.1	245.5	246.3	247.5	242.7	-9999.0
34	Hudson Bay	322.8	326.4	319.2	316.7	315.3	325.0	334.9	313.9	305.0	303.9	313.7	312.3	305.3	302.2	292.6	278.3	266.9	276.3	285.6	277.8	257.5	257.4	263.3	259.1	267.3	276.9	280.2	285.8	289.4	283.8	-9999.0
36	Hudson Strait	274.2	303.4	269.4	265.6	236.2	269.8	311.9	326.8	320.7	298.6	285.3	296.8	281.9	287.3	304.9	295.1	274.2	276.4	261.1	277.8	284.2	257.5	238.7	274.3	272.0	278.1	249.9	240.7	231.2	256.7	-9999.0
98	Bering Strait	287.3	285.7	282.9	278.5	272.8	273.5	262.3	263.2	254.1	252.4	252.9	249.2	245.9	248.6	241.5	256.4	268.6	251.6	254.0	284.1	271.4	268.1	267.1	263.1	257.6	243.9	229.1	230.0	244.0	253.7	-9999.0
128	Arctic subocean	202.3	204.8	205.2	199.0	198.2	198.4	222.3	230.5	226.7	222.5	207.4	204.7	224.3	227.3	218.3	209.9	214.6	214.1	194.0	197.3	207.7	194.2	182.4	181.1	193.2	200.2	192.3	197.8	206.8	200.0	-9999.0
130	Chukchi Sea	240.0	253.7	256.4	256.4	267.9	275.5	256.2	240.9	253.9	248.0	249.7	227.8	242.9	257.9	251.8	246.4	265.6	245.4	262.9	284.5	271.3	275.2	294.5	283.8	287.8	257.3	234.4	238.6	237.3	228.3	-9999.0
132	Beaufort Sea	313.4	304.2	294.6	308.6	303.8	290.9	273.3	276.2	267.4	269.4	276.0	276.4	272.4	266.7	259.9	251.1	269.4	286.3	265.2	244.4	259.1	265.6	266.2	264.7	278.6	266.2	262.5	253.2	240.3	229.7	-9999.0
134	Arctic Archipelago	232.1	224.3	220.6	241.7	260.0	267.5	249.2	248.5	252.7	247.8	241.2	244.1	249.2	247.4	239.1	230.1	238.4	243.9	217.6	216.1	223.8	219.3	216.8	222.2	223.3	229.8	235.2	257.2	263.6	247.9	-9999.0
136	Foxe Basin	237.5	238.9	240.1	229.5	233.9	246.5	279.4	274.5	274.3	279.8	276.5	273.6	263.5	250.6	242.5	232.6	242.5	243.4	224.6	232.6	257.0	251.3	255.2	252.0	251.7	239.3	212.5	217.7	241.1	245.1	-9999.0
138	Baffin Bay	179.7	183.7	183.8	179.6	195.3	191.0	201.4	197.0	210.2	208.8	222.5	243.8	237.7	216.6	223.4	219.0	190.6	180.6	184.6	185.3	184.5	190.8	198.9	187.8	176.6	154.1	151.3	154.7	173.3	177.2	-9999.0
139	South Greenland	209.4	208.5	208.7	209.8	227.7	211.3	200.0	194.9	212.5	218.6	225.3	228.2	226.7	245.7	238.5	226.3	219.5	200.7	187.6	178.0	171.7	186.5	196.7	187.6	175.9	180.9	191.4	194.6	184.6	168.1	-9999.0
140	Greenland Sea	223.1	190.3	166.3	157.5	191.1	201.4	209.8	212.6	178.9	183.9	177.0	204.3	214.7	200.7	204.6	208.8	193.3	178.2	166.5	149.8	156.0	142.8	150.3	152.9	146.5	160.6	147.4	135.2	141.4	142.5	-9999.0
142	Norwegian Sea	293.9	290.8	294.9	288.3	284.4	284.6	326.3	307.2	312.0	301.5	294.0	264.6	268.4	260.7	277.5	316.2	335.3	287.3	300.4	275.8	284.5	286.5	268.1	282.4	278.6	263.7	276.9	266.8	270.4	289.0	-9999.0
144	Barents Sea	308.4	297.6	312.3	316.7	301.3	291.5	282.7	283.6	295.3	289.2	302.8	303.1	297.0	305.2	288.7	267.9	264.9	272.3	279.7	278.9	290.1	283.9	283.0	253.7	270.2	292.4	263.7	251.3	260.8	249.9	-9999.0
146	Kara Sea	305.2	306.8	306.4	308.1	307.8	302.3	302.3	297.9	290.6	290.2	286.5	287.0	292.8	293.7	292.8	289.9	284.8	275.2	275.4	277.1	274.6	276.1	276.0	277.3	262.8	254.3	253.8	256.9	253.4	249.8	-9999.0
148	Laptev Sea	317.3	307.6	298.1	295.5	297.7	296.7	297.0	300.7	298.7	296.1	287.4	273.2	262.1	253.9	263.1	258.4	260.9	262.4	266.3	262.2	258.9	262.1	259.6	254.1	250.5	250.1	250.2	245.9	244.4	240.0	-9999.0
150	East Siberian Sea	267.7	261.3	261.8	253.4	261.1	256.2	245.2	259.3	269.7	291.6	288.1	279.6	275.0	271.9	262.0	244.9	264.9	254.5	267.3	263.1	241.7	231.2	230.0	222.0	230.1	228.0	234.7	230.1	245.5	230.3	-9999.0
152	Gulf of Alaska	310.9	301.1	305.5	290.8	280.6	272.7	288.2	274.9	276.8	273.0	265.0	264.7	260.4	276.2	256.6	292.5	279.3	273.8	276.8	298.3	299.8	290.3	270.6	264.5	246.2	240.7	237.0	243.7	259.3	296.2	-9999.0
154	Southeast Bering Sea	301.9	288.4	295.3	301.0	272.2	258.2	264.4	288.5	284.8	289.7	282.3	273.8	264.8	264.9	269.2	300.0	288.3	292.4	312.3	283.1	278.6	264.8	309.0	276.1	262.4	261.3	265.2	311.3	331.6	305.1	-9999.0