1948 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	285.1	283.0	284.3	280.8	278.2	281.6	284.5	286.9	288.5	288.3	288.0	289.8	292.5	293.1	291.8	294.3	295.3	296.6	299.8	300.8	299.5	302.4	306.1	305.7	299.1	298.3	302.6	303.2	302.9	305.0	-9999.0
34	Hudson Bay	321.9	330.1	323.5	300.4	301.2	317.4	312.9	310.8	319.6	309.5	293.0	294.1	305.0	313.9	300.3	291.0	291.1	297.4	297.5	309.3	311.3	322.5	333.9	323.5	302.8	309.3	320.3	326.4	323.6	322.4	-9999.0
36	Hudson Strait	255.8	244.3	312.0	282.3	271.9	269.6	254.3	268.3	275.6	281.9	285.6	296.9	285.5	274.3	287.2	287.4	283.7	279.6	274.9	283.0	271.6	286.7	312.0	312.1	270.7	259.2	276.4	296.0	295.8	321.3	-9999.0
98	Bering Strait	279.5	280.1	275.2	271.3	268.2	269.2	274.0	277.1	281.1	286.7	298.5	289.9	296.8	308.3	303.1	303.1	293.8	307.0	311.2	302.3	292.3	292.8	298.6	300.8	299.0	296.9	299.6	288.2	292.6	291.5	-9999.0
128	Arctic subocean	249.6	220.2	231.0	252.3	245.0	234.4	232.6	238.1	245.6	235.9	258.2	239.4	243.3	264.3	244.3	243.2	238.2	248.7	247.1	243.0	237.7	236.3	242.3	253.4	246.9	245.6	253.4	251.1	261.9	238.4	-9999.0
130	Chukchi Sea	251.7	254.9	261.1	246.7	260.0	265.3	241.7	265.4	256.6	268.5	275.5	267.8	290.5	280.6	266.8	286.1	286.4	291.3	297.0	289.4	280.9	277.2	292.9	285.5	275.2	269.0	276.4	274.5	287.0	271.5	-9999.0
132	Beaufort Sea	307.2	298.6	294.9	306.1	300.8	289.3	300.7	298.7	281.5	275.8	292.4	308.2	299.0	288.7	294.1	305.6	301.1	291.4	294.8	295.7	293.0	294.9	297.6	303.0	299.7	301.8	299.4	294.9	297.6	307.6	-9999.0
134	Arctic Archipelago	266.0	238.6	246.3	260.9	267.2	272.6	262.2	272.0	267.8	253.7	257.4	257.6	265.2	238.6	231.3	258.7	273.9	258.6	253.2	250.1	261.6	256.1	250.8	255.0	256.4	263.8	274.7	278.9	271.5	277.5	-9999.0
136	Foxe Basin	231.6	261.9	256.3	225.7	227.7	252.6	261.7	276.6	267.0	271.4	285.6	293.3	278.9	268.8	257.6	251.0	257.6	270.2	291.5	282.3	285.3	268.1	258.7	271.4	253.5	249.2	252.1	267.9	281.3	274.1	-9999.0
138	Baffin Bay	211.6	209.6	209.1	205.7	212.1	209.8	201.4	237.4	235.4	248.0	238.7	231.0	223.8	231.1	221.3	221.1	221.6	225.1	228.0	226.8	230.9	242.3	235.2	237.7	224.3	228.7	230.5	216.8	220.6	226.9	-9999.0
139	South Greenland	222.9	216.1	222.5	216.4	208.8	220.9	223.4	221.7	228.6	231.2	236.0	237.7	248.6	237.6	226.5	215.3	219.6	229.2	232.2	231.9	225.0	220.8	226.0	238.3	230.2	227.2	232.7	245.7	250.1	249.0	-9999.0
140	Greenland Sea	224.4	210.5	211.6	220.2	214.4	223.0	216.7	196.0	207.7	221.6	246.0	223.1	215.6	226.9	216.5	223.9	230.6	233.9	232.4	219.6	216.7	224.7	233.4	227.6	228.7	234.1	252.0	246.7	229.7	238.0	-9999.0
142	Norwegian Sea	294.2	300.2	331.8	316.9	291.9	294.5	307.9	304.5	297.5	282.9	293.9	284.8	306.3	298.0	279.8	273.2	273.3	271.2	275.6	272.7	272.1	280.6	283.6	276.5	278.1	293.1	306.3	306.0	310.5	321.5	-9999.0
144	Barents Sea	313.6	336.2	326.9	320.6	315.6	328.3	333.3	328.3	325.7	311.6	310.2	290.9	275.4	291.7	296.1	286.9	297.4	300.5	306.7	303.2	318.6	328.1	319.8	332.6	340.4	347.3	348.8	338.7	318.3	301.1	-9999.0
146	Kara Sea	296.0	295.9	297.6	291.6	285.4	281.2	288.5	295.5	301.0	305.9	299.5	301.4	303.3	307.3	311.7	315.9	318.3	321.3	324.2	325.8	320.0	323.0	329.4	322.4	312.7	302.0	302.5	307.0	316.3	326.4	-9999.0
148	Laptev Sea	279.2	273.7	274.1	282.9	286.2	291.9	293.1	291.2	284.6	285.3	292.8	301.9	308.2	308.3	313.7	318.2	313.4	312.4	317.8	319.9	318.4	312.3	310.8	317.7	326.1	332.3	339.0	339.1	331.5	325.1	-9999.0
150	East Siberian Sea	266.2	257.5	263.9	258.6	249.2	258.4	281.3	284.6	297.8	298.0	289.8	298.3	304.6	295.5	291.0	296.9	300.4	293.5	302.4	313.0	320.1	327.8	329.0	325.0	304.9	297.9	300.7	291.9	279.3	278.9	-9999.0
152	Gulf of Alaska	279.2	264.0	269.9	276.9	281.7	295.1	281.1	258.9	269.4	289.9	290.3	287.4	306.3	304.4	298.0	300.2	307.9	312.0	327.2	296.2	282.5	288.9	285.8	289.9	295.0	308.1	296.8	270.6	276.4	281.0	-9999.0
154	Southeast Bering Sea	287.2	278.1	286.0	287.6	287.7	288.4	293.7	283.4	298.4	314.1	287.6	309.5	307.6	292.9	297.0	316.1	313.6	317.7	321.8	285.9	285.6	302.1	305.5	301.2	321.1	297.4	300.0	310.6	302.2	298.8	-9999.0