1980 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	269.7	270.1	272.7	273.4	274.3	274.0	276.8	281.2	283.7	282.3	281.3	285.5	285.8	283.3	285.1	288.0	292.3	294.6	296.3	294.2	294.5	296.8	298.4	298.6	295.5	293.2	294.8	295.7	296.6	298.8	-9999.0
34	Hudson Bay	273.6	281.2	282.7	290.7	299.9	292.0	277.7	279.9	283.9	289.0	302.3	313.2	304.3	280.1	281.8	291.6	298.3	285.3	299.9	310.5	315.7	326.1	331.0	328.7	317.6	296.4	299.6	309.2	303.5	308.6	-9999.0
36	Hudson Strait	249.3	219.1	276.6	247.0	235.0	288.0	293.9	286.7	305.3	282.5	269.9	272.9	251.7	260.5	245.7	244.4	250.1	282.9	261.5	255.6	264.5	293.9	290.9	282.8	284.0	267.3	265.9	269.2	264.3	263.1	-9999.0
98	Bering Strait	265.8	259.5	286.1	289.8	283.8	277.0	276.4	274.7	275.9	278.9	284.6	288.7	282.5	283.4	280.3	287.0	290.2	281.6	274.7	280.7	290.8	283.7	286.8	294.5	299.9	292.2	299.9	307.0	305.1	302.8	-9999.0
128	Arctic subocean	211.8	231.8	227.7	239.1	232.5	219.4	224.1	225.5	227.9	219.8	216.4	238.6	237.4	226.4	249.5	241.7	237.4	239.1	224.8	216.7	216.5	222.5	225.8	238.9	245.7	243.4	228.5	224.3	230.6	235.7	-9999.0
130	Chukchi Sea	230.6	243.8	272.9	285.0	278.4	248.8	245.0	247.6	265.4	282.3	294.1	254.9	264.9	261.1	263.9	271.3	284.7	278.6	285.6	296.8	287.4	270.9	273.3	288.5	296.3	301.1	291.5	296.1	283.6	276.9	-9999.0
132	Beaufort Sea	284.2	277.9	283.0	288.5	274.9	270.5	288.7	302.7	303.8	305.0	290.9	286.4	293.4	295.5	301.7	303.3	298.9	308.3	310.4	303.1	306.8	309.4	310.8	310.7	306.1	312.0	315.1	308.6	299.2	290.2	-9999.0
134	Arctic Archipelago	219.4	220.9	233.5	220.5	222.6	231.1	250.8	249.4	243.9	229.3	231.9	238.0	246.6	274.3	269.5	248.7	249.3	256.6	254.4	246.6	247.1	257.6	265.3	268.8	273.4	283.8	286.9	267.9	269.3	266.6	-9999.0
136	Foxe Basin	243.4	235.7	237.9	245.1	229.2	225.9	221.2	223.0	232.8	261.9	265.0	240.8	240.5	230.6	241.5	250.2	257.4	256.5	253.6	245.1	244.7	254.9	252.9	259.8	242.3	241.4	272.7	280.4	271.8	276.4	-9999.0
138	Baffin Bay	227.1	236.8	218.6	205.0	194.6	197.2	199.6	222.9	215.9	221.2	222.7	217.2	214.5	216.4	225.7	218.3	214.8	217.9	216.7	217.8	215.4	218.2	226.6	228.8	226.6	224.5	224.4	221.4	220.4	215.6	-9999.0
139	South Greenland	222.8	230.9	209.4	211.8	208.7	204.9	221.1	234.8	216.1	217.7	226.8	243.3	243.5	223.4	228.0	222.0	230.8	235.2	239.1	240.9	232.1	224.5	225.6	222.9	225.3	228.2	228.8	220.4	221.3	241.5	-9999.0
140	Greenland Sea	211.2	223.6	223.2	230.5	241.6	230.3	213.0	209.8	219.3	219.6	218.6	221.8	233.4	222.6	213.6	221.7	208.8	210.8	216.8	221.6	225.1	213.1	208.7	218.1	224.5	222.4	223.6	232.8	227.1	222.1	-9999.0
142	Norwegian Sea	304.9	303.9	311.2	304.8	293.2	309.1	326.8	321.7	304.2	283.9	269.7	252.3	282.9	285.0	310.3	317.2	322.2	308.3	304.7	310.5	304.1	301.0	292.5	307.1	292.8	299.9	308.2	319.8	323.2	296.7	-9999.0
144	Barents Sea	287.2	278.0	273.1	288.2	300.0	301.9	293.2	292.4	302.8	301.6	310.4	317.8	280.3	259.1	275.5	299.1	309.4	316.1	319.5	325.1	339.4	330.5	303.0	296.5	292.0	310.2	326.2	326.2	318.4	314.8	-9999.0
146	Kara Sea	295.9	293.2	288.5	285.2	289.5	290.8	299.1	306.1	311.4	307.1	301.0	301.9	306.8	313.6	306.2	310.4	319.1	325.5	322.3	316.2	317.0	327.7	323.6	314.6	309.8	302.6	298.5	304.6	317.6	324.3	-9999.0
148	Laptev Sea	266.9	269.3	278.7	273.6	272.5	272.7	273.4	277.2	279.7	277.7	277.9	290.2	294.1	293.3	300.3	298.9	301.0	304.9	309.7	302.9	290.7	270.4	298.3	313.9	304.6	309.7	316.4	304.0	308.5	310.2	-9999.0
150	East Siberian Sea	260.9	257.2	254.9	272.0	279.7	284.8	291.5	284.0	281.0	269.4	252.8	255.1	270.4	269.8	285.7	292.8	299.6	298.1	297.1	279.3	286.2	305.9	280.8	275.8	292.2	301.7	296.9	312.4	294.6	297.5	-9999.0
152	Gulf of Alaska	255.4	269.6	291.2	291.0	291.2	288.8	282.3	281.3	276.8	288.1	286.1	289.6	297.0	287.4	289.4	275.6	273.8	275.9	269.6	277.6	285.9	291.8	282.7	285.0	292.7	297.3	284.4	293.8	301.5	294.2	-9999.0
154	Southeast Bering Sea	272.7	315.1	330.3	321.3	306.1	308.9	280.1	269.7	299.4	320.6	296.2	290.2	278.9	282.3	295.0	296.4	275.0	269.8	299.7	316.8	272.0	279.2	293.0	318.8	318.1	293.1	293.6	295.4	294.2	303.1	-9999.0