1968 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	280.5	274.2	269.2	267.2	271.0	276.3	270.6	270.1	270.8	272.4	273.4	269.1	267.1	268.6	268.6	265.8	265.3	263.3	260.3	253.9	253.3	252.5	249.5	248.3	249.4	250.2	253.5	252.5	251.6	243.2	-9999.0
34	Hudson Bay	302.2	303.1	309.6	318.8	307.6	298.3	295.1	287.1	291.0	301.0	312.4	312.1	315.0	317.4	327.3	319.3	312.6	311.6	316.5	308.5	313.8	311.7	309.2	301.1	288.5	280.7	280.6	269.1	291.8	290.0	-9999.0
36	Hudson Strait	294.7	277.0	267.5	289.9	317.9	327.8	335.0	310.3	289.3	260.3	256.3	260.3	258.1	250.8	281.0	281.9	315.3	319.4	324.7	321.7	315.1	282.8	255.8	278.4	308.0	294.2	283.4	279.7	270.9	264.7	-9999.0
98	Bering Strait	274.3	268.2	260.0	256.0	269.6	267.6	256.5	255.0	252.8	259.5	262.0	258.2	248.3	251.6	264.7	261.1	252.3	260.7	253.7	258.4	244.9	242.4	234.3	218.9	221.3	235.8	245.7	251.4	252.8	258.4	-9999.0
128	Arctic subocean	209.4	214.8	203.6	200.6	198.5	206.1	205.3	198.9	222.2	219.7	215.2	187.8	176.3	180.1	191.1	184.7	177.9	181.4	184.7	174.9	171.2	180.6	182.0	179.9	198.4	210.4	203.6	196.8	185.3	182.6	-9999.0
130	Chukchi Sea	277.4	277.8	282.4	265.3	256.3	256.5	249.5	256.0	257.2	276.1	262.6	255.6	254.4	251.4	255.1	246.1	259.5	237.5	243.5	262.7	272.7	256.4	228.0	225.5	230.7	208.4	209.7	229.1	238.9	254.3	-9999.0
132	Beaufort Sea	290.7	287.5	273.5	260.9	257.5	268.5	266.7	270.3	273.4	288.7	292.2	286.9	283.7	274.0	264.4	264.7	275.2	268.5	249.4	242.1	245.3	252.5	252.6	258.2	264.7	253.1	253.1	280.9	274.5	261.1	-9999.0
134	Arctic Archipelago	264.8	260.7	245.1	244.9	243.7	259.8	246.2	240.5	242.6	248.1	255.4	257.1	252.3	271.5	270.9	259.7	252.9	255.2	251.2	233.6	212.8	216.0	224.1	227.7	229.6	236.9	238.5	236.4	241.1	225.6	-9999.0
136	Foxe Basin	240.6	258.0	256.8	259.3	270.2	294.2	296.6	258.6	250.9	244.7	250.5	252.7	253.9	260.3	272.7	280.0	303.0	303.4	271.7	262.4	246.0	236.1	216.3	212.6	218.1	215.7	220.3	236.7	241.7	233.9	-9999.0
138	Baffin Bay	193.3	175.3	168.1	160.3	170.2	185.0	200.8	241.8	254.7	232.4	216.4	195.2	195.3	216.0	229.7	213.6	197.2	194.4	197.0	175.1	165.4	161.3	164.3	159.6	169.4	158.1	177.0	199.8	195.9	161.5	-9999.0
139	South Greenland	228.9	209.6	204.3	199.6	218.4	243.8	227.0	249.4	240.5	229.7	241.6	254.4	243.1	239.1	229.3	241.7	242.5	231.9	250.8	227.4	210.4	193.5	196.4	201.5	182.2	174.9	162.4	154.6	160.8	159.9	-9999.0
140	Greenland Sea	187.7	196.6	188.2	199.4	180.9	222.8	202.4	186.1	228.8	221.8	211.6	213.9	199.0	190.8	184.9	177.0	167.4	156.3	158.0	150.5	148.6	141.1	132.6	141.7	140.2	139.9	146.4	152.2	150.6	152.0	-9999.0
142	Norwegian Sea	324.4	330.8	328.9	334.8	325.8	336.8	319.0	315.4	320.0	308.8	291.2	271.0	261.7	261.9	262.8	277.2	270.1	254.7	279.2	257.9	260.0	269.1	254.3	233.9	232.7	257.7	291.6	315.6	302.2	291.5	-9999.0
144	Barents Sea	266.7	281.6	309.1	325.8	316.6	308.2	277.5	265.6	265.0	277.8	275.2	268.0	264.8	279.9	289.2	273.0	261.3	251.5	253.2	251.5	262.1	258.2	294.9	309.7	292.7	273.3	251.5	240.3	255.3	249.5	-9999.0
146	Kara Sea	301.5	284.5	265.9	258.4	269.7	275.9	267.1	270.2	274.9	277.2	276.2	267.4	266.9	267.5	259.3	266.3	271.9	266.3	259.5	259.4	263.0	261.0	254.2	250.4	260.4	272.8	283.9	274.4	254.9	241.8	-9999.0
148	Laptev Sea	280.7	277.8	283.4	275.7	277.9	286.8	292.9	294.0	281.0	276.2	274.2	271.7	264.7	263.9	263.2	256.2	252.1	256.7	254.2	244.6	246.4	254.6	247.9	246.0	246.5	243.8	243.3	248.2	248.0	245.1	-9999.0
150	East Siberian Sea	284.5	278.2	279.9	275.0	284.6	274.1	275.9	263.5	262.9	257.7	255.5	250.5	272.3	274.2	276.2	259.8	252.0	262.7	258.9	249.0	243.2	246.2	231.2	224.1	223.6	229.9	242.6	243.7	267.0	252.2	-9999.0
152	Gulf of Alaska	272.2	275.7	268.9	294.9	326.8	309.8	295.1	288.8	282.0	277.2	278.8	265.9	256.1	256.2	265.9	268.9	259.8	264.1	265.0	260.5	249.2	235.9	233.1	244.1	262.8	286.7	295.8	283.6	278.7	248.7	-9999.0
154	Southeast Bering Sea	271.9	266.7	272.7	280.8	284.3	297.8	302.2	298.5	294.9	288.7	283.8	289.1	284.4	274.3	264.0	243.8	264.9	264.6	240.0	235.2	232.4	251.8	259.9	270.2	260.0	282.9	300.2	266.2	228.2	221.5	-9999.0