1959 09 - daily  - mean of NCEP mean Daily Clear Sky Downward Longwave 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	256.2	255.8	257.2	255.2	254.8	255.7	253.8	250.5	250.2	250.3	245.4	243.2	242.2	242.7	243.1	243.2	242.0	240.3	241.6	242.4	238.0	232.3	231.8	234.9	235.7	234.9	230.3	225.7	221.2	217.9	-9999.0
34	Hudson Bay	286.8	288.0	293.9	290.9	297.1	303.1	291.6	272.7	273.6	266.9	260.9	255.4	254.5	247.1	232.3	233.1	243.6	257.0	270.1	279.1	269.8	256.1	257.2	263.6	272.1	279.2	279.1	258.1	232.8	214.9	-9999.0
36	Hudson Strait	270.7	262.0	269.2	291.3	259.1	263.7	313.6	278.8	257.4	300.8	260.5	238.8	222.8	218.0	218.5	223.3	224.9	228.6	233.4	251.8	241.2	202.8	205.9	220.1	224.1	230.6	227.9	268.5	280.3	243.2	-9999.0
98	Bering Strait	246.9	237.1	235.1	232.7	227.3	221.8	223.9	224.6	226.9	228.9	231.6	238.4	246.8	249.2	251.8	246.4	244.7	243.7	240.3	234.8	226.9	232.4	237.9	227.5	219.3	211.2	209.8	222.4	233.2	248.6	-9999.0
128	Arctic subocean	191.5	185.9	185.0	186.5	187.1	179.1	183.8	186.0	181.5	174.4	175.7	176.6	180.9	193.6	187.7	176.8	174.7	163.6	159.9	155.1	164.1	164.6	154.5	152.8	160.4	165.2	167.3	158.7	148.7	152.1	-9999.0
130	Chukchi Sea	238.3	238.6	239.4	238.9	225.6	215.3	221.5	227.9	224.3	228.3	235.2	243.1	241.9	238.3	240.0	236.1	234.2	234.2	229.0	227.6	228.3	229.2	217.4	206.4	202.0	201.6	210.1	213.5	238.0	258.2	-9999.0
132	Beaufort Sea	251.1	257.4	259.7	253.2	246.0	241.0	233.5	219.1	225.2	236.8	228.9	242.2	254.5	266.3	272.7	263.1	255.0	251.8	252.4	248.5	246.0	238.3	236.9	244.9	237.2	229.7	213.5	203.5	205.8	216.0	-9999.0
134	Arctic Archipelago	231.3	232.9	230.0	230.5	236.7	231.9	221.6	213.1	208.7	210.5	203.9	204.6	208.5	218.2	238.0	252.0	242.9	216.7	201.7	189.4	193.9	203.2	204.2	207.0	200.3	199.3	187.3	176.7	167.6	169.4	-9999.0
136	Foxe Basin	237.8	237.1	246.1	244.7	235.2	236.5	245.0	239.7	234.3	230.4	220.1	210.4	207.3	208.5	213.6	220.1	227.9	222.1	203.1	192.2	188.0	187.4	187.9	207.7	213.2	209.7	211.3	216.1	219.7	210.2	-9999.0
138	Baffin Bay	173.7	174.1	169.7	168.4	162.2	160.1	164.4	164.4	164.6	167.0	180.3	180.0	173.1	170.6	173.9	178.2	183.6	177.2	169.1	158.8	154.9	152.4	151.7	158.3	159.6	168.5	171.9	158.8	153.4	174.0	-9999.0
139	South Greenland	186.8	184.5	181.7	177.8	181.7	198.9	192.9	188.6	189.8	186.3	195.1	208.0	197.8	197.8	219.3	210.5	198.4	183.4	182.3	173.3	160.0	159.1	168.6	179.0	182.0	185.6	174.5	177.2	174.0	170.4	-9999.0
140	Greenland Sea	156.3	161.0	167.6	153.8	151.0	145.0	156.9	160.4	155.7	152.5	146.4	162.8	153.4	152.0	157.0	167.9	162.3	159.0	151.2	160.6	157.1	153.5	145.9	153.0	171.9	188.9	180.8	159.2	147.5	148.2	-9999.0
142	Norwegian Sea	276.3	275.1	274.7	274.1	279.3	279.6	267.4	270.4	280.5	263.8	273.1	259.9	252.5	257.1	245.0	236.0	244.8	260.1	260.0	259.9	252.4	247.3	247.4	244.0	234.4	232.2	236.7	248.2	265.5	256.9	-9999.0
144	Barents Sea	273.2	267.2	260.2	258.5	256.3	255.7	253.8	256.5	258.2	264.2	264.1	257.0	254.3	256.9	260.3	257.0	250.4	245.8	243.2	240.8	239.5	242.0	250.5	250.5	240.9	239.0	243.1	236.7	230.0	230.3	-9999.0
146	Kara Sea	277.9	275.9	277.1	274.2	274.3	276.6	273.5	275.7	273.7	267.7	261.3	257.6	256.3	257.6	258.8	260.9	260.9	260.9	262.9	263.7	260.1	254.3	250.9	255.8	262.0	260.2	254.0	249.7	243.7	234.4	-9999.0
148	Laptev Sea	265.2	266.7	271.8	272.8	271.4	266.7	270.3	275.1	273.0	275.3	263.5	253.7	253.6	248.6	240.6	244.2	244.1	240.9	244.0	248.7	242.6	235.1	233.6	231.4	227.5	224.3	218.4	217.2	218.8	222.7	-9999.0
150	East Siberian Sea	229.1	233.4	231.5	231.3	242.3	255.0	254.7	252.4	259.2	264.0	267.9	252.3	236.2	238.0	242.4	234.7	223.1	218.7	222.5	233.1	234.5	217.9	212.9	212.8	212.5	211.4	214.4	210.6	204.9	197.8	-9999.0
152	Gulf of Alaska	254.5	242.6	242.3	238.5	234.9	231.5	233.5	239.0	238.9	241.9	242.8	248.9	250.5	252.6	250.8	251.7	250.5	250.4	249.1	242.0	237.2	249.5	258.9	251.9	245.5	232.5	231.8	253.6	273.0	267.8	-9999.0
154	Southeast Bering Sea	246.0	253.4	251.2	245.8	247.1	240.1	234.7	242.7	245.8	240.2	237.8	239.5	242.8	253.0	259.0	263.0	264.3	258.9	255.8	251.1	254.5	272.2	267.0	263.4	245.1	219.3	222.3	258.3	288.5	266.3	-9999.0