1983 06 - 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	264.7	264.9	266.5	267.0	269.3	270.4	272.2	272.5	275.3	280.2	283.6	284.8	282.5	286.1	289.6	290.5	291.5	294.6	295.4	295.5	295.0	298.8	300.4	298.8	299.4	300.8	300.9	305.2	308.8	311.6	-9999.0
34	Hudson Bay	280.4	276.5	274.6	259.6	269.5	274.9	278.0	281.9	291.8	310.8	329.3	335.2	335.5	330.8	311.7	309.2	313.3	317.2	320.8	327.6	326.1	331.0	319.0	316.2	311.4	300.8	283.6	309.0	327.3	334.9	-9999.0
36	Hudson Strait	265.6	264.9	259.5	239.3	238.8	258.9	257.4	266.5	254.4	236.7	259.9	243.4	258.2	313.1	308.7	304.4	314.8	292.5	300.0	299.2	321.2	314.9	298.0	278.5	268.6	294.7	265.5	269.1	283.7	285.4	-9999.0
98	Bering Strait	274.7	271.5	271.2	262.6	266.2	261.5	256.0	251.2	244.6	247.4	261.2	275.3	270.0	278.7	284.5	282.5	267.1	266.8	296.0	309.6	297.0	290.1	281.1	283.8	287.2	314.2	315.9	303.4	298.1	307.0	-9999.0
128	Arctic subocean	246.5	252.8	247.8	240.9	206.5	217.6	228.2	246.9	251.5	244.8	236.7	224.3	222.1	233.4	238.9	242.0	246.8	242.8	239.9	240.2	235.1	236.8	234.7	246.6	251.6	250.4	235.2	235.5	239.5	248.5	-9999.0
130	Chukchi Sea	284.3	245.2	260.3	265.8	256.4	253.7	252.8	229.9	224.1	244.2	248.4	243.2	262.8	254.2	261.7	260.3	245.3	257.8	267.9	284.4	298.1	251.7	246.3	269.9	289.0	301.4	303.8	283.3	287.4	280.1	-9999.0
132	Beaufort Sea	286.6	264.9	262.7	266.5	277.2	286.7	284.6	277.7	282.3	292.0	284.9	285.3	284.3	288.1	303.9	311.6	306.7	312.1	309.0	302.6	299.5	299.8	289.6	291.4	298.8	295.4	305.5	311.7	318.6	325.6	-9999.0
134	Arctic Archipelago	225.9	234.9	239.9	236.1	240.0	246.6	269.4	267.4	246.7	247.0	256.4	259.0	255.3	239.0	252.2	264.8	257.4	258.6	266.2	260.0	253.3	255.6	269.9	253.0	242.2	254.8	270.8	270.3	253.2	256.4	-9999.0
136	Foxe Basin	227.3	211.9	214.8	234.4	250.0	229.2	223.3	221.2	221.4	234.6	236.5	244.3	237.1	248.2	245.9	280.5	290.1	298.4	279.5	281.5	260.4	254.0	255.4	281.6	262.7	278.1	253.5	264.3	255.8	251.4	-9999.0
138	Baffin Bay	200.5	209.2	215.1	203.5	181.4	177.2	186.8	198.8	208.6	210.0	200.5	203.8	221.5	208.0	208.2	232.6	246.0	270.1	232.1	226.0	228.3	234.9	227.0	234.0	237.2	236.4	246.6	237.3	255.8	250.4	-9999.0
139	South Greenland	196.5	197.4	198.8	216.3	217.0	213.4	197.0	188.6	201.2	208.3	193.1	203.1	199.8	204.8	215.8	206.0	210.9	220.3	226.1	225.4	234.6	235.1	236.8	227.2	231.8	253.6	251.4	245.4	257.3	257.8	-9999.0
140	Greenland Sea	200.6	206.2	206.8	199.5	200.6	206.4	206.8	188.0	190.9	205.9	202.7	194.6	192.8	201.5	201.2	204.2	211.2	227.6	216.2	217.6	211.8	211.3	216.3	220.2	216.0	219.0	231.5	239.6	236.0	229.9	-9999.0
142	Norwegian Sea	279.2	264.7	249.6	251.4	255.5	281.2	299.6	289.8	310.6	278.7	297.2	291.6	270.6	269.2	298.8	272.1	268.8	319.5	298.1	270.8	265.7	281.8	307.9	289.1	297.1	306.8	282.5	285.6	299.3	289.8	-9999.0
144	Barents Sea	307.6	289.0	290.8	316.7	288.8	257.4	252.4	258.4	280.9	299.1	307.2	312.9	309.2	314.9	308.1	310.6	326.0	320.4	305.9	292.2	271.0	274.7	292.6	286.1	294.9	294.2	298.5	316.1	328.6	342.5	-9999.0
146	Kara Sea	274.0	284.5	289.5	291.4	294.6	298.1	302.8	301.2	300.2	300.5	302.4	305.0	302.8	304.8	311.1	307.4	301.6	303.2	304.1	307.5	321.5	329.8	336.5	336.5	343.1	341.7	339.4	336.2	331.7	331.3	-9999.0
148	Laptev Sea	264.0	267.5	269.0	277.8	285.3	283.9	285.1	289.9	287.6	281.8	281.2	272.7	275.0	278.6	287.0	298.6	306.2	301.7	300.8	300.0	293.9	294.7	304.7	298.7	291.3	292.5	303.9	309.0	316.5	313.2	-9999.0
150	East Siberian Sea	249.4	251.6	243.2	242.7	242.9	251.2	257.9	267.0	284.9	295.2	294.2	289.7	249.5	280.0	287.9	269.1	284.8	304.8	306.9	301.3	279.6	299.0	304.4	308.5	300.9	282.8	286.9	294.8	293.9	307.4	-9999.0
152	Gulf of Alaska	262.8	274.7	293.0	266.6	269.7	266.3	244.0	251.3	257.0	274.1	275.2	272.0	276.8	284.6	295.8	288.4	282.0	273.2	296.8	290.6	277.5	272.7	265.5	273.9	273.8	308.8	302.0	304.0	298.9	301.0	-9999.0
154	Southeast Bering Sea	283.5	284.4	294.9	281.9	285.1	272.6	265.4	264.0	256.9	253.8	272.5	292.0	297.6	301.0	300.7	290.2	285.0	288.7	315.9	296.1	286.6	310.5	290.5	297.6	303.2	308.2	294.1	308.2	298.2	307.7	-9999.0