1971 07 - 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	294.0	295.2	297.4	300.7	299.9	298.6	301.8	302.6	301.1	304.5	305.0	311.2	313.9	313.0	312.6	315.5	315.7	316.2	315.4	314.5	314.1	312.6	310.1	308.0	305.0	302.0	298.1	296.7	298.1	303.5	306.9
34	Hudson Bay	302.7	306.7	318.8	327.5	321.8	313.9	314.4	306.7	305.9	305.0	301.4	315.9	322.3	324.6	320.6	318.2	311.8	316.3	313.4	319.2	321.1	315.7	313.4	316.1	314.5	310.4	309.6	297.8	301.4	313.0	329.6
36	Hudson Strait	268.0	270.9	271.5	275.6	281.8	290.3	319.4	298.4	297.1	294.0	295.0	277.3	292.0	322.3	315.6	311.7	311.4	308.9	307.0	296.0	295.0	290.6	304.0	286.0	287.2	303.4	320.1	295.3	285.8	297.6	307.7
98	Bering Strait	284.2	285.9	289.2	291.9	292.3	291.7	296.6	301.4	307.2	320.3	318.1	323.9	317.0	310.7	290.6	288.5	285.3	304.0	310.2	316.5	307.1	292.4	291.5	302.9	314.8	325.6	307.3	310.5	289.1	298.7	314.4
128	Arctic subocean	231.6	230.9	227.7	228.4	234.5	261.7	260.3	256.6	244.1	254.1	266.0	255.6	244.1	235.1	239.2	247.0	250.0	247.4	237.9	233.9	228.5	228.1	231.8	241.0	241.4	239.8	244.5	242.5	251.1	246.3	246.3
130	Chukchi Sea	279.6	287.4	290.1	320.1	323.5	311.2	312.8	304.6	325.2	321.8	291.9	308.4	303.5	307.0	287.9	271.7	265.9	290.5	312.1	322.2	319.3	299.4	289.5	298.1	296.1	313.3	309.6	297.3	287.7	288.8	275.4
132	Beaufort Sea	299.7	299.5	301.1	301.6	300.3	290.5	282.9	286.9	287.9	299.9	302.6	315.0	323.8	322.6	317.6	314.9	312.7	306.6	316.6	314.4	314.8	311.6	309.6	305.3	304.2	318.1	316.5	314.3	319.5	323.1	316.0
134	Arctic Archipelago	253.2	251.9	253.9	259.1	259.2	255.7	258.5	260.2	255.6	262.6	270.2	283.7	278.2	272.2	267.4	269.4	282.9	276.8	279.2	266.7	267.9	270.9	270.5	271.1	269.4	261.0	260.7	271.7	290.4	288.8	283.6
136	Foxe Basin	254.0	260.4	252.3	251.5	270.3	269.4	259.8	250.0	245.1	246.9	243.2	268.2	273.9	270.5	274.5	280.2	271.6	275.0	284.6	286.8	300.1	290.5	281.5	272.9	272.4	277.4	270.7	284.0	285.8	285.0	275.8
138	Baffin Bay	234.0	248.6	223.3	219.4	215.7	216.0	231.1	237.1	235.1	235.1	227.9	221.3	227.1	241.0	252.8	264.1	262.2	246.4	224.8	220.7	218.6	219.7	216.7	206.7	208.9	214.8	209.5	208.8	216.6	225.9	226.6
139	South Greenland	243.4	231.0	232.8	231.3	226.9	220.6	223.2	222.0	220.4	225.4	226.5	237.3	242.1	231.5	238.2	239.8	236.8	237.8	236.6	242.4	244.6	241.7	234.8	228.3	235.1	234.2	217.0	222.6	245.2	234.5	230.4
140	Greenland Sea	232.1	224.3	214.5	238.5	237.4	239.2	247.3	240.3	221.4	223.3	229.5	227.8	213.2	208.7	214.6	239.3	232.7	232.4	220.6	208.9	207.5	203.9	194.8	224.9	236.4	209.5	207.8	203.5	205.5	202.4	203.0
142	Norwegian Sea	296.5	311.4	317.1	326.7	344.9	297.4	312.9	301.4	309.1	294.5	328.7	289.9	279.6	278.4	280.8	283.5	280.2	291.6	281.6	285.2	287.4	293.0	292.6	288.0	332.8	318.4	298.4	283.0	307.5	333.6	343.2
144	Barents Sea	323.8	301.3	286.2	290.6	300.0	309.7	323.5	333.1	321.9	318.8	307.2	323.4	333.5	312.6	309.4	303.8	320.1	316.2	311.0	306.6	319.4	347.7	330.5	317.4	329.4	335.4	340.8	335.6	297.2	291.2	301.4
146	Kara Sea	310.7	310.2	310.3	316.5	319.2	317.5	320.6	325.2	325.9	328.7	328.9	331.9	335.4	337.3	343.9	352.2	348.0	344.8	345.5	345.1	340.7	333.8	334.4	334.5	319.7	308.9	304.7	308.1	305.8	311.2	315.1
148	Laptev Sea	306.4	318.9	328.9	321.6	311.5	313.7	316.9	320.4	318.1	318.2	321.0	327.9	334.3	339.3	342.0	344.2	346.8	345.1	342.0	346.8	347.9	343.4	336.6	322.4	318.3	320.8	317.9	315.5	323.1	328.6	324.4
150	East Siberian Sea	299.6	302.8	309.3	308.4	308.9	322.6	319.5	308.2	306.9	314.4	321.7	310.4	297.4	295.2	283.6	288.6	307.9	325.6	320.5	290.2	304.0	333.4	335.5	335.7	326.9	301.2	292.5	293.0	307.7	316.3	325.1
152	Gulf of Alaska	282.8	282.2	281.0	277.4	285.1	277.2	282.7	292.2	279.5	302.3	323.1	338.7	334.2	314.8	303.1	304.1	299.8	308.0	300.5	316.8	287.8	284.6	293.4	308.4	326.0	320.3	308.5	301.0	303.6	323.2	329.6
154	Southeast Bering Sea	278.6	281.3	292.0	305.8	314.3	312.8	336.9	344.6	335.8	344.5	350.8	348.3	338.5	284.5	285.3	300.9	312.0	324.6	324.1	323.1	291.5	299.6	312.6	311.3	312.7	305.9	300.6	286.7	298.8	348.2	348.3