1981 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	276.1	278.7	279.8	279.6	281.0	282.2	284.9	286.8	287.3	287.3	287.7	284.9	286.4	288.4	285.9	284.9	283.3	286.4	289.5	291.8	295.6	294.4	292.0	291.8	295.6	302.2	304.5	302.6	301.0	299.9	-9999.0
34	Hudson Bay	276.2	293.1	302.0	308.8	305.8	291.6	279.4	289.2	287.9	284.4	287.9	287.6	298.3	304.2	303.7	307.6	300.1	295.9	290.7	289.9	297.5	295.3	296.7	298.9	296.2	302.2	314.6	318.8	317.2	320.6	-9999.0
36	Hudson Strait	241.9	229.0	238.9	253.6	272.5	256.5	269.5	258.1	282.0	289.7	254.0	248.7	268.6	265.3	237.4	269.6	288.3	261.8	293.3	287.0	270.2	286.2	278.4	281.6	261.0	274.9	287.3	274.9	323.3	290.9	-9999.0
98	Bering Strait	279.3	269.1	252.8	260.5	262.7	266.1	280.2	277.0	266.3	266.6	278.6	277.4	277.0	292.3	286.5	278.5	270.3	268.5	269.9	271.1	291.9	288.0	276.9	274.2	287.7	302.6	309.5	293.0	277.3	277.3	-9999.0
128	Arctic subocean	212.3	227.3	255.0	235.7	252.5	244.5	230.1	241.3	238.1	234.0	229.4	218.1	225.3	228.7	224.0	212.6	230.5	250.7	251.7	250.5	225.9	242.1	237.6	227.4	222.4	225.4	235.0	239.4	241.0	249.5	-9999.0
130	Chukchi Sea	252.2	254.4	231.1	236.6	234.7	244.8	264.7	257.6	260.6	275.9	271.4	277.9	276.3	281.6	288.5	281.9	300.5	294.6	278.3	303.4	286.9	280.3	285.8	281.4	294.5	310.9	295.9	262.4	254.2	243.5	-9999.0
132	Beaufort Sea	292.6	297.5	295.2	293.1	283.1	294.2	292.7	276.5	271.2	272.2	280.4	284.4	281.6	283.3	282.2	275.0	273.2	273.5	277.0	285.6	295.7	295.4	295.3	294.8	296.1	296.5	298.7	299.9	303.7	303.5	-9999.0
134	Arctic Archipelago	241.0	248.8	252.0	254.7	252.5	248.7	241.6	235.7	235.7	235.9	240.7	241.8	239.5	247.8	244.5	242.4	239.6	243.2	244.4	247.4	250.2	257.6	253.0	257.6	260.0	258.7	262.5	265.5	274.4	275.9	-9999.0
136	Foxe Basin	241.8	241.1	226.3	230.7	237.6	225.1	228.7	230.7	231.1	243.8	227.8	240.8	232.8	226.7	233.6	237.5	242.5	247.4	237.0	244.8	267.5	261.3	260.3	248.2	241.5	245.8	261.1	287.6	304.8	267.3	-9999.0
138	Baffin Bay	241.8	255.9	229.4	211.7	212.4	207.9	194.0	192.9	191.4	195.3	187.6	188.9	192.9	193.3	197.8	200.1	193.6	192.9	198.8	205.6	201.4	202.9	215.5	220.6	242.0	252.5	243.2	242.2	245.0	246.9	-9999.0
139	South Greenland	219.2	211.9	227.3	216.3	209.4	201.9	206.0	208.1	205.2	219.7	211.5	202.4	200.3	200.8	208.9	210.5	209.7	236.6	239.6	234.9	236.7	229.2	227.1	243.9	267.4	271.0	250.2	253.9	242.8	240.9	-9999.0
140	Greenland Sea	191.7	226.6	235.4	218.2	215.0	223.9	218.9	218.5	217.1	214.4	211.8	213.6	200.2	204.7	220.0	204.5	202.8	226.4	228.2	226.8	227.4	228.9	221.3	217.9	220.0	244.3	277.2	269.7	267.8	247.5	-9999.0
142	Norwegian Sea	302.8	250.1	279.3	275.8	287.8	262.1	274.0	279.9	294.6	288.8	275.7	244.9	253.9	273.2	273.3	272.3	259.4	254.0	275.9	268.9	264.7	298.1	310.7	305.0	276.9	296.3	296.6	294.7	277.4	287.4	-9999.0
144	Barents Sea	284.5	277.5	272.8	259.1	298.3	299.1	286.3	293.3	298.9	319.5	336.4	297.6	282.3	317.0	322.1	325.2	330.0	334.9	326.0	321.7	342.4	314.7	288.2	311.1	336.3	352.2	346.7	341.2	328.0	328.9	-9999.0
146	Kara Sea	298.2	305.4	305.2	304.0	306.6	311.0	318.1	320.8	321.0	316.3	310.3	312.8	321.0	315.3	307.4	307.1	307.3	313.5	324.1	330.1	327.5	327.8	323.9	309.6	309.6	313.5	314.7	310.9	309.1	314.1	-9999.0
148	Laptev Sea	273.7	264.6	273.2	275.1	274.2	288.1	303.7	311.8	323.5	324.4	325.4	315.0	301.8	297.6	293.3	293.6	294.8	293.0	296.0	292.9	291.7	290.9	305.6	306.7	306.3	313.7	315.3	315.2	315.9	306.5	-9999.0
150	East Siberian Sea	293.8	287.6	280.7	285.4	287.0	279.8	287.4	290.5	279.7	269.4	280.4	286.5	305.8	300.7	302.2	291.7	277.7	283.1	279.7	287.9	302.0	309.9	282.2	303.2	315.8	324.7	319.7	316.4	306.9	307.9	-9999.0
152	Gulf of Alaska	283.3	274.3	265.2	276.5	265.6	266.8	272.9	276.0	263.6	244.6	258.4	259.1	257.2	275.3	280.7	267.5	257.9	259.7	269.3	264.4	287.4	284.0	277.9	279.1	282.4	290.5	291.1	294.7	276.9	289.6	-9999.0
154	Southeast Bering Sea	291.5	277.3	281.5	292.5	285.3	287.9	289.7	289.9	297.5	301.4	288.9	282.3	278.2	283.1	282.1	276.5	276.4	290.4	284.6	290.3	291.9	285.8	280.9	298.8	300.8	299.8	311.0	303.5	306.9	267.5	-9999.0