1968 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	237.1	239.3	238.6	239.0	241.2	243.0	244.6	249.9	254.4	254.0	253.9	253.3	250.9	252.3	255.3	260.7	262.1	261.4	262.9	266.2	267.2	268.0	269.3	270.0	269.9	269.2	271.3	272.5	274.7	279.9	-9999.0
34	Hudson Bay	266.4	272.8	281.0	284.6	279.4	271.5	268.6	272.5	274.6	282.2	286.8	275.1	265.5	255.7	253.0	264.4	273.0	272.9	274.5	282.9	280.8	277.4	278.7	276.6	271.0	276.6	289.4	292.6	285.1	282.0	-9999.0
36	Hudson Strait	221.6	224.0	224.7	235.3	250.2	238.5	227.7	219.7	217.7	219.3	223.5	243.2	230.9	247.0	250.5	237.2	234.3	254.9	267.8	270.6	260.2	250.3	252.2	259.9	249.6	235.6	247.7	260.3	270.6	269.8	-9999.0
98	Bering Strait	232.1	243.0	243.0	241.2	245.2	245.5	240.6	237.3	244.1	248.5	250.3	253.3	260.9	263.1	263.1	261.3	263.7	267.1	268.2	265.4	257.4	261.6	261.5	262.0	264.9	261.4	256.7	261.2	262.0	266.5	-9999.0
128	Arctic subocean	198.4	201.3	209.3	211.0	206.5	209.8	208.6	207.1	210.6	212.6	212.8	216.5	218.7	214.2	207.8	212.0	212.6	218.3	217.7	220.1	219.8	218.0	216.0	215.2	218.6	217.4	218.1	216.3	221.3	222.8	-9999.0
130	Chukchi Sea	219.7	226.5	232.8	229.9	232.7	230.4	222.6	223.3	234.5	238.2	237.0	238.0	244.3	245.9	244.2	247.3	254.5	256.4	257.0	250.0	236.0	246.9	257.8	263.9	253.4	238.0	239.0	238.5	249.1	245.9	-9999.0
132	Beaufort Sea	249.3	261.3	260.2	255.5	250.9	251.0	255.1	258.2	266.8	265.5	262.8	259.3	243.4	248.7	258.9	263.0	257.6	256.0	263.6	265.7	263.4	262.9	265.4	270.2	282.9	289.9	288.3	275.4	262.9	266.2	-9999.0
134	Arctic Archipelago	223.5	226.9	229.0	226.2	222.4	219.0	217.7	220.9	228.5	233.9	230.3	224.3	223.4	222.7	220.9	223.6	221.8	220.2	222.7	229.3	235.8	243.1	250.7	251.9	254.4	255.4	244.3	224.3	226.4	239.2	-9999.0
136	Foxe Basin	209.0	210.3	211.2	216.1	211.9	211.9	209.4	212.3	211.1	220.5	230.8	231.9	228.7	227.7	219.7	219.1	216.5	222.2	233.4	235.4	239.8	241.0	241.5	231.3	220.2	231.1	243.2	241.2	228.8	225.6	-9999.0
138	Baffin Bay	194.8	192.9	194.7	194.9	192.8	189.8	186.7	188.2	189.5	194.9	199.2	200.9	199.1	194.9	190.9	198.1	208.1	213.3	209.9	210.6	213.9	209.5	205.4	206.7	204.1	205.9	205.8	204.9	204.3	204.1	-9999.0
139	South Greenland	198.6	197.9	199.4	197.3	195.1	192.8	193.4	191.0	187.9	199.8	201.5	205.6	201.9	199.3	200.2	210.9	212.6	210.2	210.6	212.5	212.5	206.5	204.7	206.2	205.2	202.4	201.2	203.0	203.4	205.6	-9999.0
140	Greenland Sea	188.5	191.8	195.1	191.6	188.8	190.7	190.4	189.5	189.8	189.5	193.8	199.6	201.2	199.6	197.0	194.4	199.2	211.4	216.3	214.9	208.4	204.6	209.5	212.1	208.5	202.9	199.7	201.5	201.6	203.1	-9999.0
142	Norwegian Sea	267.1	275.9	283.5	282.2	277.9	281.2	259.5	250.6	241.2	233.6	250.0	265.9	267.2	256.6	257.7	256.8	266.1	281.6	286.4	264.4	269.0	272.1	276.3	289.7	281.6	276.7	272.4	265.4	261.4	266.2	-9999.0
144	Barents Sea	227.8	236.2	235.7	256.9	275.2	285.2	293.5	289.6	277.5	273.4	253.2	238.8	258.4	266.6	256.7	249.0	245.2	253.6	267.7	285.6	270.3	288.3	305.6	311.5	309.9	313.7	309.9	299.0	299.3	307.6	-9999.0
146	Kara Sea	244.9	242.1	235.6	229.7	237.1	252.5	258.8	270.4	274.1	265.5	264.5	266.4	260.8	263.2	276.3	288.7	288.8	278.0	272.2	274.3	285.7	284.4	281.7	280.9	283.3	282.4	285.7	286.7	294.1	304.5	-9999.0
148	Laptev Sea	241.1	238.0	231.1	234.9	238.8	230.8	229.0	235.7	248.4	249.9	254.5	257.4	258.3	263.0	261.5	262.4	265.7	277.6	288.4	293.8	291.5	293.7	294.4	294.5	290.4	281.6	287.0	299.6	307.0	310.5	-9999.0
150	East Siberian Sea	214.7	216.2	225.5	233.3	229.1	225.9	237.7	256.0	265.0	257.0	251.4	255.9	265.6	275.2	277.8	278.0	277.7	261.3	246.7	238.9	243.2	251.5	254.2	251.8	250.4	249.8	244.3	256.8	271.9	282.2	-9999.0
152	Gulf of Alaska	235.1	244.0	241.8	236.6	237.0	238.1	232.2	236.6	250.3	255.7	255.5	257.3	257.6	257.3	256.0	252.2	251.3	248.0	251.9	251.4	246.4	243.5	246.9	254.3	251.8	247.9	250.6	258.0	263.2	275.4	-9999.0
154	Southeast Bering Sea	241.1	248.4	254.9	258.7	257.6	262.1	261.6	255.6	263.8	262.1	268.2	274.0	279.0	276.6	272.6	273.0	271.0	268.5	273.1	275.0	265.9	261.3	260.6	269.7	273.3	273.2	272.7	270.0	271.7	276.7	-9999.0