1958 09 - 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	274.4	274.4	279.1	279.3	277.8	274.9	273.4	268.7	270.3	271.7	270.5	271.5	267.4	263.2	261.5	258.6	263.7	267.4	264.1	261.8	254.5	255.1	256.3	253.0	252.4	247.9	248.7	250.1	248.9	250.2	-9999.0
34	Hudson Bay	298.4	304.0	308.1	295.8	298.8	301.6	289.4	293.4	293.3	300.2	298.3	303.0	306.9	303.6	292.6	266.2	280.1	298.7	304.5	314.4	298.4	290.6	295.1	305.5	291.9	266.9	271.1	279.3	262.6	261.1	-9999.0
36	Hudson Strait	294.3	268.3	251.6	301.1	289.1	280.4	252.9	250.9	248.1	249.8	246.3	268.0	276.2	255.8	270.7	246.0	253.2	247.2	263.1	309.7	285.4	326.0	297.4	271.3	281.6	297.0	272.2	244.8	244.2	240.9	-9999.0
98	Bering Strait	270.7	268.2	276.2	282.6	271.1	278.5	281.2	273.4	271.3	278.6	283.5	279.2	275.9	275.9	271.6	257.6	248.9	239.9	237.6	241.1	231.8	245.9	251.0	246.9	236.6	231.1	243.9	236.6	213.5	236.7	-9999.0
128	Arctic subocean	220.7	217.8	211.4	216.2	217.8	223.2	200.9	207.7	226.2	203.8	204.7	202.9	195.8	179.5	183.6	191.8	204.9	196.4	178.7	174.7	188.2	196.6	195.7	190.3	190.4	186.3	172.8	158.5	159.8	169.2	-9999.0
130	Chukchi Sea	269.5	274.9	266.3	258.1	284.7	287.6	275.6	281.3	260.4	268.6	279.8	291.3	285.9	268.3	255.9	276.5	270.7	271.0	241.4	233.8	233.4	246.1	269.9	262.7	239.3	241.9	245.2	230.4	228.5	218.7	-9999.0
132	Beaufort Sea	283.5	277.1	271.9	283.2	285.0	281.5	291.2	276.4	300.3	291.7	282.8	305.0	301.4	292.0	277.8	288.2	288.1	274.8	273.8	260.9	262.8	261.6	247.0	252.1	264.7	254.2	252.1	252.0	238.0	229.8	-9999.0
134	Arctic Archipelago	265.3	270.7	274.8	263.6	259.8	255.8	257.7	259.0	262.9	264.2	250.3	237.5	227.0	231.5	253.7	259.2	254.3	250.2	239.9	225.9	227.4	228.8	239.2	233.4	232.4	233.1	227.3	213.7	208.6	210.6	-9999.0
136	Foxe Basin	245.8	246.8	246.2	252.9	259.3	269.7	273.3	262.3	260.0	259.5	271.7	280.2	262.2	235.6	236.0	251.3	258.0	255.7	266.3	245.9	220.2	253.1	274.2	237.9	218.8	232.4	242.5	219.5	221.2	207.4	-9999.0
138	Baffin Bay	179.7	185.9	186.5	185.8	188.3	180.5	166.9	169.5	173.0	178.3	182.8	195.3	188.0	158.6	161.1	167.2	191.7	192.6	183.2	187.4	174.8	164.4	154.9	147.0	153.1	160.7	167.1	170.1	179.5	207.0	-9999.0
139	South Greenland	221.3	222.1	247.6	263.4	232.2	224.6	243.3	225.2	209.1	228.7	240.9	211.7	201.2	240.5	213.3	210.6	254.1	245.3	242.1	226.1	196.2	175.6	208.2	225.9	220.9	226.3	236.5	260.3	263.3	256.4	-9999.0
140	Greenland Sea	170.0	175.1	172.8	176.1	197.0	183.5	167.9	150.4	154.1	147.1	148.0	161.2	159.8	159.8	178.5	141.3	168.7	204.5	188.5	203.4	192.1	155.5	154.4	141.1	133.6	143.2	146.3	160.9	166.9	185.0	-9999.0
142	Norwegian Sea	333.2	329.1	319.4	329.5	317.0	308.2	320.3	286.7	293.9	303.5	292.2	299.0	307.7	277.7	285.3	301.7	301.4	289.5	291.1	304.8	305.5	293.2	295.7	285.9	300.0	278.1	278.6	299.9	303.1	301.5	-9999.0
144	Barents Sea	284.2	300.1	315.3	280.6	281.5	275.6	287.6	289.3	250.8	258.0	264.1	281.3	278.9	275.3	260.9	242.4	249.2	271.2	256.0	275.5	261.4	261.3	270.2	294.3	293.8	279.8	275.0	265.8	258.2	266.2	-9999.0
146	Kara Sea	296.2	296.8	294.5	294.6	292.4	286.8	280.0	273.1	282.5	272.9	268.9	262.2	262.2	267.4	279.3	279.2	279.9	278.0	274.0	262.2	257.6	261.0	258.5	250.9	258.1	254.8	260.8	265.0	272.3	270.8	-9999.0
148	Laptev Sea	268.4	258.0	271.1	282.0	278.2	274.6	287.5	284.1	277.2	287.4	287.0	287.2	267.1	245.3	241.9	257.9	264.9	272.2	270.1	272.8	273.4	268.6	269.0	261.2	252.6	254.2	247.8	257.6	261.2	250.4	-9999.0
150	East Siberian Sea	251.7	250.2	277.1	274.9	283.1	280.3	264.0	264.9	268.3	276.0	280.0	287.4	294.9	274.9	258.7	253.3	235.5	251.5	245.6	232.3	230.7	249.9	247.5	223.4	229.4	232.5	225.3	208.0	219.9	227.9	-9999.0
152	Gulf of Alaska	268.0	287.3	292.9	284.3	284.7	278.3	280.2	267.1	274.8	290.0	297.1	289.3	279.9	276.6	262.0	256.8	239.5	249.6	257.3	273.0	246.0	255.7	282.2	259.5	249.2	258.6	262.3	233.4	242.7	303.8	-9999.0
154	Southeast Bering Sea	295.6	302.8	285.8	266.0	275.7	307.9	286.2	288.2	331.2	331.4	316.3	305.7	308.2	306.5	300.1	284.3	278.8	289.0	277.3	260.0	252.0	303.3	292.2	247.8	270.3	273.9	247.2	234.4	249.3	315.4	-9999.0