1957 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	298.5	296.0	290.9	284.1	283.0	284.5	283.6	281.9	279.6	278.0	276.6	277.4	278.5	276.5	273.0	271.9	269.7	266.7	262.2	257.8	259.6	263.4	257.4	257.1	255.8	256.8	259.3	264.7	266.8	260.8	-9999.0
34	Hudson Bay	342.6	337.9	321.2	304.9	300.6	300.0	309.4	316.0	312.3	315.4	316.9	307.2	291.5	303.5	291.9	291.2	281.1	268.7	265.9	266.8	276.4	284.8	273.8	274.9	253.6	251.2	271.6	303.6	312.9	296.6	-9999.0
36	Hudson Strait	267.2	260.4	256.8	257.4	267.6	307.5	286.4	262.9	282.5	294.6	326.8	312.5	318.5	300.5	272.2	293.1	281.0	252.5	281.3	281.8	254.3	284.8	289.2	257.0	262.3	253.3	241.4	232.0	260.9	316.6	-9999.0
98	Bering Strait	294.8	292.3	301.2	296.3	296.9	291.5	286.9	286.5	297.0	297.2	278.6	306.1	297.3	291.3	264.9	259.4	261.8	285.6	269.0	240.8	238.4	250.1	234.8	248.2	251.9	235.1	248.6	232.7	242.5	230.7	-9999.0
128	Arctic subocean	210.5	220.4	220.2	210.6	204.2	213.0	199.5	180.6	185.7	186.8	186.8	195.7	188.6	207.3	207.9	224.5	220.1	201.5	211.2	186.2	202.0	217.1	224.2	181.5	175.5	177.8	166.5	165.8	161.6	165.4	-9999.0
130	Chukchi Sea	269.9	282.6	302.2	299.5	282.3	282.0	277.2	258.5	265.7	278.4	275.5	286.5	306.4	304.5	283.3	273.4	261.2	247.3	244.9	241.6	233.6	228.3	241.9	229.8	219.5	218.1	242.3	230.1	220.4	231.7	-9999.0
132	Beaufort Sea	325.4	315.6	308.0	301.1	296.4	323.3	314.4	304.5	299.6	304.1	295.9	284.2	305.6	285.8	277.6	258.1	239.0	254.1	274.0	268.3	253.7	265.2	257.4	237.9	258.1	273.1	292.3	297.2	273.7	291.6	-9999.0
134	Arctic Archipelago	293.8	307.8	290.7	242.4	267.4	273.9	294.3	287.1	249.9	242.8	259.3	246.8	243.8	238.4	236.2	233.6	225.8	218.6	219.2	233.5	239.8	237.2	238.9	225.5	211.7	224.6	225.0	243.2	231.5	206.6	-9999.0
136	Foxe Basin	269.0	252.9	285.8	289.7	251.5	263.7	254.5	280.7	289.1	271.0	281.9	310.7	313.2	305.7	278.5	249.3	234.8	244.7	277.3	267.1	267.4	250.1	255.5	258.7	235.4	233.1	235.1	240.5	232.9	255.2	-9999.0
138	Baffin Bay	204.4	197.1	228.8	237.3	219.3	227.1	209.6	191.3	185.4	180.2	184.5	189.9	199.1	228.4	258.9	269.1	257.1	243.0	205.6	217.3	260.2	249.3	207.8	192.4	188.5	174.0	185.6	186.4	192.1	198.4	-9999.0
139	South Greenland	252.0	241.8	226.8	224.3	223.1	222.8	221.3	223.0	209.2	192.2	187.9	187.8	210.0	224.7	224.0	228.2	231.9	242.6	238.1	255.9	256.2	223.5	208.1	239.7	217.6	210.3	188.4	205.3	226.3	229.0	-9999.0
140	Greenland Sea	204.5	207.7	189.7	187.6	191.6	185.7	175.9	169.3	179.8	194.2	192.9	172.8	158.8	157.1	169.7	194.0	211.5	208.5	191.4	178.5	198.0	207.0	222.9	182.7	195.9	198.3	162.7	156.8	160.3	163.4	-9999.0
142	Norwegian Sea	319.7	314.2	306.0	293.6	291.9	301.2	299.4	305.3	298.2	311.0	305.0	316.2	316.9	302.3	291.9	292.7	287.9	281.8	267.5	261.1	279.5	260.2	248.1	237.7	236.2	256.9	280.0	289.6	274.4	256.9	-9999.0
144	Barents Sea	342.6	332.2	326.9	324.5	334.4	330.1	331.6	323.8	318.1	315.2	313.4	312.5	339.0	332.3	316.1	296.1	282.7	279.3	289.8	296.2	282.4	290.8	281.8	270.7	304.6	294.5	284.6	275.6	274.7	265.8	-9999.0
146	Kara Sea	303.3	305.1	298.3	294.6	293.8	293.9	292.4	289.1	289.8	290.5	296.4	300.2	298.5	300.2	302.0	300.7	294.2	282.7	268.6	261.3	263.2	273.7	278.1	278.5	276.0	281.6	283.2	281.9	288.0	278.7	-9999.0
148	Laptev Sea	285.5	280.2	279.5	280.9	277.1	266.4	266.5	268.2	268.2	254.8	235.7	240.1	249.2	242.9	248.0	254.4	262.8	265.5	265.9	260.3	258.9	251.4	236.3	247.1	261.5	258.7	255.4	261.6	265.7	253.5	-9999.0
150	East Siberian Sea	286.0	276.5	280.7	266.3	258.9	265.5	260.2	274.6	269.7	276.9	281.8	279.4	258.2	237.4	238.7	241.3	278.3	274.7	266.3	256.7	258.3	269.3	268.5	275.5	238.4	250.7	251.0	254.5	245.3	243.1	-9999.0
152	Gulf of Alaska	299.9	306.4	308.6	319.4	321.4	303.2	297.7	297.8	322.4	310.1	289.8	334.1	310.0	291.2	270.5	263.7	281.0	311.3	301.3	254.9	292.2	294.2	268.6	298.3	311.2	302.5	280.2	276.5	272.7	252.9	-9999.0
154	Southeast Bering Sea	299.7	334.9	319.0	307.3	334.4	320.7	323.5	322.3	315.5	305.7	314.4	335.5	313.6	287.1	275.2	305.1	336.3	328.5	275.2	250.7	260.2	241.8	238.7	261.4	258.2	257.6	231.2	237.2	221.5	203.5	-9999.0