1974 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	277.4	276.6	276.7	273.8	274.2	272.0	272.5	269.8	264.4	262.7	266.1	265.2	264.4	264.8	266.1	264.5	259.7	258.4	252.8	250.7	250.4	254.3	255.2	253.9	252.6	248.5	245.5	241.7	236.5	236.3	-9999.0
34	Hudson Bay	266.2	272.3	286.1	286.8	293.0	298.7	299.3	285.6	266.6	274.5	280.7	262.9	267.5	281.8	276.9	282.2	271.0	284.4	269.8	251.7	239.7	251.4	274.7	281.1	281.0	272.5	255.2	252.1	251.4	233.2	-9999.0
36	Hudson Strait	297.7	289.7	277.6	265.5	270.0	262.9	290.0	299.8	278.9	265.1	252.8	249.7	266.8	249.2	238.4	266.2	249.3	255.2	237.8	281.8	247.2	243.6	250.7	236.8	281.3	283.2	284.8	262.7	269.5	276.9	-9999.0
98	Bering Strait	302.5	299.6	280.1	256.5	257.7	248.2	242.5	240.8	237.8	236.3	261.3	284.2	277.9	279.5	282.4	285.6	276.6	266.8	260.9	271.5	288.4	274.3	270.5	282.1	266.1	251.2	237.1	217.1	219.0	222.1	-9999.0
128	Arctic subocean	211.8	215.9	206.5	199.1	205.2	214.6	247.0	243.1	236.7	199.1	197.8	224.8	227.8	195.8	204.7	190.4	185.1	178.9	175.9	197.7	196.9	183.6	165.9	160.2	167.2	163.6	148.8	151.9	168.8	180.2	-9999.0
130	Chukchi Sea	282.5	288.0	279.2	270.8	268.2	264.9	260.9	255.9	253.9	238.6	260.1	267.6	275.1	267.6	251.4	259.3	277.5	283.4	277.4	262.7	271.9	265.0	281.5	296.0	267.9	268.7	248.4	252.8	263.1	227.6	-9999.0
132	Beaufort Sea	281.4	291.8	294.3	271.8	254.9	251.2	248.5	244.8	249.7	248.6	240.2	264.2	297.3	289.4	289.8	293.9	286.9	268.0	252.3	256.0	276.4	278.9	264.9	264.6	257.9	226.6	219.5	217.0	199.9	199.0	-9999.0
134	Arctic Archipelago	257.6	274.2	259.9	250.9	250.5	252.5	237.0	228.7	242.3	242.6	227.0	209.9	209.3	220.4	225.2	219.2	222.5	217.4	200.7	206.6	211.4	242.2	223.6	216.0	208.9	223.7	226.9	211.9	199.3	203.2	-9999.0
136	Foxe Basin	253.2	246.1	271.4	279.0	273.4	240.4	252.3	248.8	254.5	265.3	263.8	248.1	239.1	239.4	240.0	237.8	234.8	238.0	236.8	225.4	219.9	233.1	232.4	247.6	265.2	242.1	237.0	246.2	243.1	228.8	-9999.0
138	Baffin Bay	215.0	216.0	195.6	192.0	195.9	184.9	184.4	189.9	191.6	180.5	174.3	183.3	184.6	170.5	177.1	184.0	175.7	148.5	141.3	143.2	159.7	159.1	171.3	174.5	174.3	160.0	161.5	202.9	194.8	181.7	-9999.0
139	South Greenland	205.5	200.4	222.7	240.1	229.5	229.4	214.7	200.8	183.5	186.1	194.9	208.7	191.1	180.1	186.6	183.0	168.9	168.3	178.0	172.2	172.5	178.8	176.1	155.3	158.9	162.8	198.2	204.9	188.4	196.6	-9999.0
140	Greenland Sea	170.3	175.4	173.2	179.7	171.9	168.3	195.4	192.8	177.6	168.6	175.1	180.9	181.4	195.5	206.5	149.8	152.5	153.4	139.1	138.7	139.4	141.0	132.6	117.8	125.2	121.0	118.6	143.2	157.1	167.3	-9999.0
142	Norwegian Sea	315.5	311.5	312.5	310.7	307.4	302.7	293.1	308.3	316.7	285.0	278.8	286.6	269.4	299.7	311.4	321.9	309.8	286.4	283.2	269.9	277.6	274.0	292.9	279.4	310.9	291.6	287.3	278.1	286.6	302.0	-9999.0
144	Barents Sea	289.2	283.6	294.1	310.3	319.8	332.4	323.1	315.0	325.0	324.9	322.0	299.7	280.4	279.1	286.0	300.0	304.0	312.0	301.0	287.0	288.3	283.3	293.3	291.8	294.9	306.0	297.6	299.6	299.4	293.8	-9999.0
146	Kara Sea	303.0	300.6	294.1	287.4	289.0	286.5	295.4	295.7	288.6	282.7	286.6	288.1	286.1	283.9	285.5	280.5	277.4	273.6	272.5	275.8	272.6	278.8	275.7	271.7	271.2	275.9	275.8	267.1	259.6	260.6	-9999.0
148	Laptev Sea	284.9	275.6	277.8	286.7	289.6	280.2	275.2	278.7	271.8	272.3	278.3	271.1	263.6	265.6	266.5	259.6	260.7	265.6	263.8	249.2	243.3	247.4	250.8	250.4	248.1	238.6	232.0	239.6	243.0	249.7	-9999.0
150	East Siberian Sea	265.7	257.8	265.7	258.7	264.7	268.1	266.3	264.9	267.7	267.2	264.5	259.4	251.3	248.3	245.7	257.9	244.7	244.4	243.9	246.7	257.1	244.9	234.8	233.9	233.5	236.6	249.3	224.1	208.0	220.5	-9999.0
152	Gulf of Alaska	307.9	293.1	282.9	272.1	257.4	248.8	249.2	266.5	257.7	272.2	303.3	310.1	309.2	316.7	325.3	271.0	270.4	263.9	291.4	310.9	289.7	276.8	288.0	302.9	280.3	274.8	265.7	227.6	198.0	219.3	-9999.0
154	Southeast Bering Sea	309.2	306.3	304.7	304.8	307.7	297.1	289.2	290.9	282.3	275.7	318.6	311.3	286.9	293.8	309.4	298.0	279.6	283.4	276.9	311.4	305.0	312.8	315.2	312.0	288.7	275.8	274.0	245.6	233.9	238.8	-9999.0