1956 06 - 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	242.1	244.0	247.0	251.8	256.6	258.4	257.7	258.2	262.6	265.3	266.3	265.2	263.4	263.3	266.1	272.0	276.5	275.9	276.4	276.8	274.7	273.0	273.7	275.0	277.4	279.5	282.5	284.7	286.8	287.9	-9999.0
34	Hudson Bay	268.9	275.5	276.4	282.9	289.7	286.1	282.5	278.7	294.8	311.1	316.5	300.7	289.2	279.2	270.8	275.6	290.7	296.4	307.8	312.6	307.0	291.1	283.9	286.6	286.1	281.5	283.2	287.2	289.8	289.4	-9999.0
36	Hudson Strait	220.5	236.7	224.8	212.2	204.7	201.5	200.8	208.0	229.2	249.7	262.9	244.8	237.0	249.7	255.6	235.4	228.2	233.7	243.9	264.5	260.2	238.5	240.3	241.8	253.1	263.2	255.2	254.4	265.9	259.4	-9999.0
98	Bering Strait	229.5	234.3	238.1	242.5	246.0	248.6	247.0	246.1	250.7	251.0	255.0	260.2	261.4	264.1	267.0	272.6	274.3	278.3	277.3	270.9	268.7	262.5	255.3	253.7	261.0	264.3	272.6	280.9	282.8	281.8	-9999.0
128	Arctic subocean	176.8	179.8	182.8	188.0	191.5	191.7	196.3	192.7	187.0	186.1	186.9	192.1	193.1	197.5	208.1	213.4	224.2	221.2	222.2	227.1	224.5	226.8	239.1	235.7	240.6	244.3	241.7	233.1	229.3	231.8	-9999.0
130	Chukchi Sea	209.5	213.1	224.6	243.8	245.3	240.2	238.8	235.2	239.4	238.2	248.8	257.3	259.3	267.6	271.1	272.8	265.2	258.5	251.7	245.7	252.9	238.8	222.3	222.9	233.7	228.5	245.5	265.4	268.2	258.7	-9999.0
132	Beaufort Sea	263.2	252.3	260.9	274.0	284.0	274.0	254.1	249.4	256.8	259.6	263.2	253.7	247.5	251.0	263.0	278.2	284.9	289.1	297.5	297.8	288.4	282.4	282.0	278.2	281.4	278.0	279.4	276.5	277.7	281.2	-9999.0
134	Arctic Archipelago	196.5	186.7	195.1	204.3	212.7	223.4	230.4	227.2	220.7	216.6	215.5	214.8	216.8	215.1	219.9	236.7	255.7	257.3	250.6	249.0	251.9	267.1	275.8	278.5	275.1	271.3	270.6	271.8	271.4	275.6	-9999.0
136	Foxe Basin	214.2	213.2	204.6	204.7	200.8	201.8	206.0	217.2	222.4	230.7	232.6	222.1	219.5	224.7	223.4	223.1	225.5	229.6	238.6	236.9	238.9	241.5	244.9	248.2	250.7	250.7	252.0	251.7	255.3	259.2	-9999.0
138	Baffin Bay	166.9	164.8	169.7	177.9	179.2	178.0	178.5	176.8	170.0	171.5	172.1	177.7	181.5	187.9	192.7	197.7	203.0	204.2	204.6	207.7	212.9	214.0	220.5	220.0	225.6	227.6	225.9	220.0	219.9	219.6	-9999.0
139	South Greenland	184.5	184.7	185.9	187.3	187.2	188.8	189.7	190.8	191.4	196.2	198.7	199.1	203.4	210.4	209.7	210.4	207.2	208.6	209.1	207.3	209.6	209.3	216.1	222.6	226.3	222.3	222.2	222.6	215.5	212.4	-9999.0
140	Greenland Sea	169.0	175.2	174.8	178.6	180.5	181.8	182.4	188.6	189.9	188.2	184.7	188.1	186.4	190.9	196.0	198.7	204.0	206.2	201.0	201.4	204.2	202.1	207.8	218.3	212.1	216.3	220.7	219.4	210.6	209.1	-9999.0
142	Norwegian Sea	258.6	253.0	258.1	253.4	258.0	258.0	256.1	276.4	274.8	286.3	302.6	307.6	298.5	285.6	262.6	255.6	271.2	262.2	261.1	265.3	262.4	256.5	274.0	260.3	255.0	253.8	255.0	263.1	266.6	262.9	-9999.0
144	Barents Sea	245.9	270.6	269.7	274.1	277.1	284.3	282.2	276.0	290.8	271.1	259.0	284.5	295.7	308.6	312.9	303.8	297.0	292.6	285.1	288.4	296.3	304.8	288.5	273.8	288.5	308.8	303.5	303.7	324.9	313.2	-9999.0
146	Kara Sea	269.3	266.5	267.4	271.5	277.3	281.1	281.0	284.4	283.9	285.2	283.8	284.1	278.4	270.6	277.0	286.0	287.4	278.5	272.9	271.0	270.8	274.3	282.7	285.1	288.6	292.6	299.4	303.0	305.3	313.4	-9999.0
148	Laptev Sea	234.0	240.2	246.0	250.0	253.2	256.2	260.0	264.8	273.2	276.5	277.4	277.2	280.5	286.8	284.7	291.0	300.3	305.3	305.0	301.1	291.7	289.8	291.5	297.0	296.0	296.5	300.6	308.1	308.9	301.3	-9999.0
150	East Siberian Sea	226.6	230.3	236.9	237.0	243.0	253.3	262.5	258.9	250.3	253.1	255.5	260.5	270.6	276.9	286.9	288.3	281.2	275.3	282.6	298.8	301.6	300.8	291.2	291.9	289.4	298.7	299.7	287.1	283.1	295.6	-9999.0
152	Gulf of Alaska	235.7	243.4	241.7	239.8	242.6	248.1	257.0	257.0	259.9	255.5	256.3	253.0	250.1	254.7	258.1	265.3	252.7	263.0	259.7	254.3	249.5	257.7	252.3	249.3	252.6	259.2	265.6	268.8	276.5	276.6	-9999.0
154	Southeast Bering Sea	241.3	246.3	257.0	251.1	255.1	262.5	274.0	285.8	280.4	274.0	276.9	271.8	270.4	267.0	267.1	275.9	280.4	279.0	279.3	270.5	269.6	265.7	253.9	259.8	259.1	268.5	271.8	274.5	280.6	281.2	-9999.0