1980 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	281.0	277.6	277.6	277.6	276.2	273.7	276.2	271.7	267.9	268.9	267.4	267.6	268.8	272.7	266.3	257.5	253.6	253.2	257.4	256.7	251.1	249.4	249.6	248.0	249.2	247.8	246.3	246.9	246.2	244.5	-9999.0
34	Hudson Bay	305.9	305.2	306.0	312.3	311.4	302.1	314.8	317.6	281.4	281.2	286.0	291.3	287.7	286.3	287.3	267.5	258.2	243.7	269.7	283.0	279.6	271.5	254.9	249.4	240.6	248.5	239.6	260.4	276.2	275.7	-9999.0
36	Hudson Strait	299.9	285.9	282.9	256.6	292.7	318.1	309.1	279.8	260.9	281.7	280.0	277.7	262.2	277.6	250.6	256.7	301.2	263.3	234.6	229.9	241.1	259.9	288.9	272.8	232.8	229.1	206.1	227.0	230.1	248.6	-9999.0
98	Bering Strait	268.1	255.5	251.3	255.5	250.4	241.4	243.9	244.2	253.7	259.4	257.4	241.5	259.5	273.1	288.7	263.1	254.3	267.7	258.3	241.1	226.0	227.3	221.0	229.8	232.0	241.3	262.6	251.9	242.9	243.6	-9999.0
128	Arctic subocean	222.1	213.2	219.4	241.4	232.6	220.4	202.2	219.8	223.2	205.7	210.7	190.6	174.3	212.1	213.9	184.0	175.7	162.6	157.6	161.2	161.0	170.4	180.8	177.6	174.6	181.8	194.0	205.3	206.3	186.3	-9999.0
130	Chukchi Sea	220.0	242.3	274.1	267.9	232.2	248.5	257.0	248.6	242.3	246.3	254.2	248.3	272.2	261.0	257.0	252.1	272.7	283.3	268.9	236.7	219.4	216.4	208.1	213.7	222.1	229.4	246.4	239.2	217.4	226.3	-9999.0
132	Beaufort Sea	288.5	289.9	285.3	287.5	288.6	290.1	278.1	251.7	278.4	279.7	275.4	267.2	261.8	279.4	269.7	279.0	259.3	259.5	264.2	258.1	235.1	232.5	234.3	220.1	248.6	223.3	250.5	267.2	277.0	266.3	-9999.0
134	Arctic Archipelago	252.5	250.4	259.8	258.9	257.7	267.6	276.6	255.6	227.8	237.5	222.7	216.6	206.7	204.3	190.6	191.5	206.3	219.3	212.3	210.5	206.6	204.8	208.4	187.8	206.4	205.6	193.7	181.9	186.6	191.7	-9999.0
136	Foxe Basin	252.1	243.7	249.7	257.2	264.2	276.7	263.6	277.0	283.2	276.3	264.0	264.0	264.1	258.7	237.0	225.8	230.8	249.1	248.7	240.0	252.9	245.5	247.0	271.8	272.0	255.9	242.0	237.7	227.6	207.6	-9999.0
138	Baffin Bay	196.5	197.2	185.9	204.6	219.6	220.2	202.8	203.7	212.6	236.8	225.3	187.0	168.7	152.8	153.7	144.6	167.7	178.3	189.7	179.9	173.0	183.1	181.0	188.2	188.4	193.5	191.7	182.6	182.2	184.8	-9999.0
139	South Greenland	209.5	205.9	196.4	193.3	184.2	177.5	172.1	185.1	191.1	199.0	186.5	185.7	187.3	192.8	178.1	185.3	185.6	215.1	220.4	196.8	182.3	209.2	228.8	214.4	208.6	201.5	193.1	183.7	176.3	170.1	-9999.0
140	Greenland Sea	185.0	191.3	176.6	175.8	198.2	202.2	192.2	182.4	175.8	181.3	183.3	177.3	136.0	148.6	153.6	148.3	153.7	150.4	165.7	178.7	169.8	156.1	166.9	170.7	188.6	207.0	234.2	221.0	202.1	191.9	-9999.0
142	Norwegian Sea	276.0	301.5	302.4	288.4	304.3	306.6	318.6	310.1	295.2	280.1	262.6	273.3	306.4	318.1	275.4	280.3	338.1	310.7	291.4	289.7	287.5	285.2	292.1	300.6	292.6	273.3	290.1	320.2	286.3	279.9	-9999.0
144	Barents Sea	277.0	272.7	273.1	276.0	272.1	272.7	296.2	293.2	295.9	320.0	315.6	310.8	320.5	323.2	314.0	298.2	294.8	290.2	303.7	316.6	299.3	282.7	278.9	275.7	273.5	272.5	262.9	237.2	243.9	240.8	-9999.0
146	Kara Sea	307.7	301.1	300.6	297.6	295.4	293.5	296.0	286.2	282.7	273.1	280.0	292.5	296.6	294.0	282.7	275.2	272.5	270.5	270.2	270.9	277.9	277.5	286.3	293.2	291.6	281.1	270.5	270.6	262.5	256.8	-9999.0
148	Laptev Sea	300.6	298.5	299.3	291.7	286.2	278.6	271.1	270.7	275.8	285.1	282.9	276.7	277.1	277.0	272.8	263.2	253.6	253.5	259.0	256.3	243.0	237.0	229.8	228.7	235.1	244.6	251.4	250.9	248.9	252.2	-9999.0
150	East Siberian Sea	236.0	241.5	248.9	258.8	254.1	248.4	278.3	290.5	278.9	264.0	244.9	253.4	259.4	286.2	284.5	276.6	270.4	273.9	266.1	263.9	245.8	245.1	250.4	237.4	226.6	225.0	217.3	214.6	213.2	225.4	-9999.0
152	Gulf of Alaska	272.6	246.1	250.5	250.4	253.4	254.0	259.1	290.2	284.5	261.5	253.2	239.5	306.0	334.4	333.6	294.0	247.9	250.1	252.9	245.8	279.5	290.9	264.2	276.8	266.8	293.3	294.7	265.5	278.2	279.5	-9999.0
154	Southeast Bering Sea	273.7	240.4	263.7	264.7	257.2	255.2	265.0	264.4	287.6	284.0	267.6	290.1	316.4	342.1	319.6	289.3	279.8	267.2	266.8	294.6	313.8	295.3	269.7	286.0	274.9	317.8	273.2	265.7	252.1	247.3	-9999.0