1948 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	288.7	288.5	288.4	287.8	285.5	282.1	281.2	279.8	279.2	279.7	276.3	273.6	271.9	273.6	272.5	269.7	272.8	271.2	268.8	270.3	270.5	269.3	268.2	268.1	268.2	266.0	266.2	266.3	265.9	263.7	-9999.0
34	Hudson Bay	317.3	323.1	326.6	332.8	329.6	320.5	313.0	309.8	308.1	312.1	315.7	315.1	303.0	297.5	302.8	311.4	318.0	313.2	309.3	303.3	312.4	311.2	310.5	304.3	290.6	303.2	310.1	306.9	298.9	282.4	-9999.0
36	Hudson Strait	264.9	299.9	304.0	301.6	295.3	330.7	285.9	304.0	316.5	296.0	290.0	274.6	274.7	268.4	253.6	249.9	286.6	322.5	296.0	319.4	301.0	277.7	279.8	268.5	277.9	312.0	274.7	263.4	286.4	284.0	-9999.0
98	Bering Strait	254.4	255.8	270.2	265.8	272.7	282.9	294.8	283.6	286.1	279.4	269.8	270.3	268.0	264.8	278.6	279.7	288.7	251.2	229.0	253.1	249.6	232.5	238.1	260.0	269.4	245.7	226.4	235.4	252.9	264.9	-9999.0
128	Arctic subocean	214.0	216.1	215.7	215.9	221.9	220.2	219.3	218.7	205.2	189.1	188.9	197.0	188.1	189.1	188.9	198.9	203.8	208.4	204.7	205.9	195.6	224.1	202.3	201.6	218.1	237.1	232.9	224.8	215.1	198.4	-9999.0
130	Chukchi Sea	273.9	271.3	266.4	256.4	259.8	253.2	256.4	271.2	259.5	249.6	282.5	302.0	297.6	286.7	285.0	260.6	232.0	219.4	222.0	219.7	228.4	207.5	214.7	239.3	223.6	220.7	236.2	234.2	258.7	283.5	-9999.0
132	Beaufort Sea	292.2	293.9	307.2	298.9	296.2	282.3	292.7	298.8	304.2	304.2	284.9	269.5	268.7	280.2	288.9	271.8	284.7	293.7	277.2	294.2	283.9	274.4	266.2	252.9	263.0	271.0	278.5	259.6	243.9	237.7	-9999.0
134	Arctic Archipelago	270.6	265.9	260.6	254.8	265.1	256.6	258.8	268.0	268.0	273.2	273.5	252.0	242.8	245.5	235.7	227.4	237.5	247.7	214.7	222.3	245.9	238.1	241.3	277.7	273.4	243.6	228.3	244.3	234.7	222.0	-9999.0
136	Foxe Basin	314.0	308.4	301.3	282.8	268.1	248.7	250.1	242.7	248.9	268.2	265.0	259.2	259.6	257.6	260.9	245.8	275.3	281.3	296.2	242.0	244.7	292.1	283.3	265.2	317.4	281.3	245.7	248.5	290.1	258.7	-9999.0
138	Baffin Bay	222.7	223.5	222.3	214.7	195.8	181.5	179.6	177.2	174.2	192.5	184.8	186.3	179.0	186.9	194.1	182.1	175.1	165.3	198.6	216.1	211.4	222.7	197.7	167.8	189.5	223.3	204.6	196.1	191.1	192.1	-9999.0
139	South Greenland	209.1	210.2	215.7	220.9	216.3	203.7	200.0	196.5	189.1	188.0	183.8	178.4	175.7	175.1	176.0	172.3	178.0	170.6	184.7	195.6	204.0	199.9	211.2	221.3	216.1	198.1	184.6	165.8	173.0	181.9	-9999.0
140	Greenland Sea	205.4	206.5	212.9	199.4	185.6	186.7	178.2	184.3	195.5	161.5	162.2	139.7	145.2	148.0	176.2	183.2	189.4	195.8	175.5	174.7	184.6	181.6	180.5	168.6	157.8	161.7	198.8	187.6	181.8	161.4	-9999.0
142	Norwegian Sea	334.7	321.6	315.7	320.3	332.1	330.8	324.8	324.7	299.0	278.5	342.4	337.4	298.6	307.1	272.7	286.5	308.3	297.2	271.7	286.9	293.2	291.7	306.6	289.8	265.7	267.4	315.1	306.1	279.1	267.6	-9999.0
144	Barents Sea	312.8	311.9	309.2	303.4	292.6	291.2	288.2	283.1	294.7	314.7	286.4	278.4	295.6	313.7	317.4	285.5	292.4	317.0	327.2	328.5	318.2	302.5	300.9	298.5	287.2	283.6	271.9	286.7	298.2	286.5	-9999.0
146	Kara Sea	300.5	300.6	304.5	311.7	309.5	307.1	305.5	301.9	294.9	294.9	299.7	301.6	297.0	293.9	288.1	293.9	295.2	292.4	294.9	287.5	281.5	284.2	278.2	275.5	277.3	280.2	287.4	290.3	290.1	293.4	-9999.0
148	Laptev Sea	310.9	299.1	282.5	277.3	270.7	267.1	268.2	269.3	270.6	269.3	270.7	272.5	281.2	286.5	273.9	265.9	257.9	258.3	257.5	256.1	259.2	265.5	270.4	274.9	281.8	267.0	261.6	265.7	267.4	275.7	-9999.0
150	East Siberian Sea	283.2	286.1	263.2	245.9	259.3	268.1	271.0	261.8	267.5	273.9	247.5	253.7	255.3	254.9	255.9	242.7	238.5	242.4	243.6	251.7	265.0	271.8	277.2	259.8	250.3	241.8	251.8	261.7	247.7	235.5	-9999.0
152	Gulf of Alaska	270.3	264.4	269.9	277.0	280.9	303.2	306.7	298.6	305.3	284.7	269.8	253.8	248.5	256.2	263.4	291.3	303.1	264.1	266.6	267.9	255.6	242.1	238.3	283.5	280.0	254.6	241.4	252.9	271.1	285.7	-9999.0
154	Southeast Bering Sea	244.3	255.0	280.8	311.0	315.2	309.5	304.8	305.7	302.0	300.8	269.4	267.4	275.6	308.8	297.7	316.1	292.6	222.9	243.4	244.1	230.3	222.4	241.3	295.2	278.1	247.0	281.0	269.4	301.9	284.5	-9999.0