1951 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	289.2	289.3	287.4	287.3	288.2	287.0	283.8	291.4	288.2	287.8	287.8	284.0	279.1	278.6	279.1	279.0	281.2	284.8	284.1	285.1	283.4	277.2	266.7	264.8	265.0	260.9	255.0	255.7	256.2	258.7	-9999.0
34	Hudson Bay	301.2	315.3	309.9	309.3	311.3	313.9	301.5	324.4	323.8	324.2	327.8	324.4	319.3	303.1	284.1	292.6	293.0	298.0	294.1	299.6	298.5	283.3	266.0	254.7	259.1	266.2	260.5	260.3	269.0	285.4	-9999.0
36	Hudson Strait	296.0	289.7	308.1	297.8	278.8	293.0	263.8	278.8	259.2	258.6	266.8	297.0	288.7	343.1	317.2	283.4	282.8	282.1	283.4	264.7	260.8	290.4	253.2	262.7	238.1	258.8	239.2	273.4	291.9	237.7	-9999.0
98	Bering Strait	293.1	313.7	312.2	318.2	310.4	279.3	265.9	289.9	291.5	283.0	277.0	266.0	255.1	283.2	284.6	283.6	304.6	299.3	285.6	297.9	288.4	277.3	263.8	246.1	238.7	235.3	245.1	236.0	257.0	247.0	-9999.0
128	Arctic subocean	220.4	229.1	245.2	230.7	212.8	202.8	214.2	212.5	202.3	199.7	199.9	196.9	192.6	195.2	201.0	209.3	205.2	222.2	209.8	209.4	201.8	190.7	195.2	221.0	206.7	192.1	182.7	170.3	167.8	172.8	-9999.0
130	Chukchi Sea	266.1	271.1	277.8	272.6	288.9	254.9	266.2	256.1	291.3	289.4	274.7	286.9	253.5	258.3	262.6	256.2	242.6	251.7	233.7	257.2	273.8	277.6	249.4	276.7	254.1	227.7	224.2	241.7	254.5	233.0	-9999.0
132	Beaufort Sea	294.7	301.3	305.6	315.3	327.0	315.6	317.9	333.6	317.3	305.5	292.2	284.3	267.2	268.3	297.1	294.9	300.0	315.8	295.4	275.1	278.3	243.7	228.3	239.4	238.5	219.3	217.9	256.6	270.0	275.9	-9999.0
134	Arctic Archipelago	287.2	276.1	273.3	252.7	240.5	264.6	262.2	254.1	261.2	266.4	266.8	266.7	263.6	238.9	235.9	241.1	243.0	226.4	230.5	232.6	231.9	222.7	218.8	219.0	217.8	208.2	210.0	204.9	210.5	216.6	-9999.0
136	Foxe Basin	292.9	297.2	295.8	290.5	268.7	257.5	272.9	274.0	274.8	268.4	252.4	252.3	273.9	280.4	302.1	302.2	282.7	260.6	249.6	250.3	238.5	239.8	228.9	229.5	239.9	250.9	243.7	229.6	223.0	217.2	-9999.0
138	Baffin Bay	203.7	208.9	229.6	217.9	217.4	198.5	190.0	196.5	201.8	188.0	184.5	180.8	179.7	179.5	179.9	190.9	209.2	217.1	215.3	204.1	192.7	213.0	229.4	232.1	198.8	179.4	186.7	186.3	175.9	178.2	-9999.0
139	South Greenland	216.3	220.2	205.0	208.2	210.3	207.8	206.9	220.6	218.5	218.7	219.3	222.9	218.9	195.1	218.0	245.5	226.9	236.7	250.8	263.3	259.6	248.4	238.4	236.5	238.2	233.6	213.5	210.7	202.9	234.6	-9999.0
140	Greenland Sea	187.5	159.7	175.6	186.5	198.5	209.6	204.2	192.3	172.2	170.0	177.3	181.6	190.1	186.9	191.7	199.0	176.8	195.8	187.9	181.8	178.6	186.2	201.6	203.9	202.8	184.0	168.1	177.1	167.7	169.9	-9999.0
142	Norwegian Sea	338.7	330.0	308.2	306.6	314.5	297.7	296.7	296.0	287.1	306.3	324.5	306.8	331.0	335.3	304.2	300.8	288.6	286.7	270.3	271.2	292.9	306.9	307.5	293.3	303.6	302.9	315.6	313.4	313.7	321.5	-9999.0
144	Barents Sea	299.6	312.4	323.1	345.6	338.4	331.7	318.8	306.9	297.9	287.4	280.9	277.0	284.8	291.2	320.9	316.2	326.9	311.1	306.9	301.3	307.3	315.5	294.8	283.4	274.0	271.7	275.2	281.6	277.6	279.0	-9999.0
146	Kara Sea	300.5	292.7	283.0	279.6	284.4	290.6	297.2	305.3	304.4	306.0	309.5	311.0	305.3	301.8	295.3	295.6	301.4	309.0	312.9	312.0	312.2	305.0	293.2	296.0	298.3	291.8	280.7	275.0	277.6	279.5	-9999.0
148	Laptev Sea	295.7	290.0	290.5	290.4	294.9	298.9	295.7	298.5	293.7	298.8	297.5	281.1	275.9	285.6	283.2	268.9	265.4	271.6	282.8	289.0	282.8	278.3	272.6	267.5	280.2	279.7	276.9	265.4	252.2	247.5	-9999.0
150	East Siberian Sea	307.1	302.7	300.8	300.4	293.7	272.3	258.2	249.4	252.3	264.0	269.9	268.3	257.1	262.9	275.3	264.5	258.5	255.9	259.6	261.5	268.5	280.8	292.5	288.7	280.6	281.2	266.6	276.6	256.6	247.3	-9999.0
152	Gulf of Alaska	323.7	328.1	333.3	331.8	303.8	298.0	299.4	312.8	294.4	274.0	294.5	257.5	281.9	310.6	287.2	320.2	327.5	306.8	282.5	319.6	292.9	311.8	272.8	242.8	251.4	272.0	275.4	271.4	270.1	261.4	-9999.0
154	Southeast Bering Sea	336.0	331.6	320.5	318.7	302.6	305.8	273.8	281.7	268.6	292.7	290.1	281.3	296.1	284.2	273.1	281.3	327.1	317.2	290.9	321.0	292.5	301.5	258.5	261.7	265.5	264.7	243.9	237.7	229.8	258.5	-9999.0