1977 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	249.3	249.1	250.4	253.4	250.3	250.7	254.7	255.3	257.3	261.9	262.4	259.4	259.2	261.1	262.4	264.0	269.5	268.8	267.3	270.7	272.3	272.9	273.5	277.1	278.2	274.8	272.1	270.6	270.7	270.6	-9999.0
34	Hudson Bay	265.3	257.5	260.9	267.1	263.3	261.5	270.9	267.8	271.6	275.9	264.1	257.1	264.3	274.4	284.8	283.1	288.9	286.7	278.6	277.2	285.0	298.4	301.8	300.8	305.8	301.7	296.4	293.4	293.1	284.8	-9999.0
36	Hudson Strait	223.3	228.8	222.3	229.3	241.2	230.5	241.6	246.7	245.7	238.7	258.0	230.8	222.4	230.5	227.3	219.8	238.5	249.6	242.4	236.4	233.2	242.4	256.7	277.7	271.6	265.1	277.9	273.6	268.3	292.1	-9999.0
98	Bering Strait	231.7	233.8	243.3	245.3	234.3	233.6	237.6	235.9	239.8	256.1	264.1	257.7	254.6	257.3	257.7	258.0	275.6	273.3	257.8	259.8	261.5	257.5	253.4	258.2	254.0	251.9	254.2	250.6	249.5	253.1	-9999.0
128	Arctic subocean	196.7	205.3	202.8	204.5	203.4	201.9	201.8	202.9	206.2	206.9	209.5	218.3	219.0	220.5	215.6	212.3	210.5	207.5	207.5	209.6	204.5	207.0	213.5	215.0	218.5	218.9	224.0	224.3	221.1	221.0	-9999.0
130	Chukchi Sea	220.9	220.7	223.8	230.6	227.6	227.7	233.6	234.7	240.4	243.1	246.2	238.4	248.7	248.7	249.3	251.5	263.2	269.5	257.1	253.5	255.5	249.6	245.7	247.0	246.0	245.7	247.9	241.7	243.8	251.6	-9999.0
132	Beaufort Sea	257.7	258.4	251.3	254.8	259.5	265.8	270.8	266.8	249.0	236.1	246.0	254.5	260.9	264.2	266.2	265.4	276.2	276.1	279.7	287.6	284.2	275.7	268.1	273.3	268.0	258.0	253.3	253.7	252.8	250.6	-9999.0
134	Arctic Archipelago	210.0	210.6	209.7	214.4	212.6	214.8	216.6	216.1	213.3	214.6	219.5	223.8	227.1	229.0	229.0	234.4	230.9	227.4	233.3	245.1	248.9	244.2	246.8	260.2	252.0	236.9	232.7	238.3	237.2	236.2	-9999.0
136	Foxe Basin	206.1	210.4	212.8	216.3	216.2	211.7	214.5	219.1	223.1	225.0	229.9	227.0	226.4	223.0	223.6	226.2	243.0	228.7	225.7	232.0	240.0	239.8	225.2	225.8	226.6	235.0	247.6	248.9	237.2	239.2	-9999.0
138	Baffin Bay	190.4	195.3	190.5	191.6	190.8	191.4	192.3	186.2	187.4	194.8	196.1	203.7	200.5	200.2	197.9	194.2	191.1	185.8	188.9	188.7	184.2	188.9	195.4	197.1	197.5	201.7	211.1	209.3	206.3	199.3	-9999.0
139	South Greenland	200.5	192.9	197.4	203.0	199.4	211.6	211.0	209.6	218.1	218.9	211.2	213.5	212.1	202.6	200.1	201.3	198.7	202.5	204.6	202.7	199.2	204.5	205.8	198.1	199.0	200.4	199.5	199.5	200.4	202.3	-9999.0
140	Greenland Sea	200.6	197.2	188.7	186.4	189.8	186.0	185.1	180.0	182.8	191.1	194.9	195.5	202.0	201.8	203.9	203.4	194.7	181.5	175.2	178.4	191.3	195.2	197.7	202.0	201.2	204.0	204.0	204.6	201.1	196.4	-9999.0
142	Norwegian Sea	239.8	256.2	257.6	244.6	238.8	240.6	246.2	250.9	250.4	260.0	269.4	251.9	266.9	277.0	271.6	254.7	273.4	270.7	246.0	232.7	235.7	237.6	247.6	255.7	261.3	259.2	247.2	245.0	251.0	268.2	-9999.0
144	Barents Sea	272.2	271.6	281.1	291.4	301.0	304.0	297.6	292.9	304.6	306.7	293.0	289.3	270.4	287.6	291.5	292.2	271.6	252.6	262.7	278.6	274.7	260.8	256.6	268.6	272.0	266.8	266.6	279.2	286.4	292.3	-9999.0
146	Kara Sea	279.8	281.8	286.1	284.8	275.7	273.2	278.0	282.6	285.4	285.3	281.7	277.9	274.2	271.5	269.5	272.1	280.5	284.1	284.4	292.4	300.8	306.0	310.2	313.1	316.2	314.9	311.7	307.9	305.0	302.1	-9999.0
148	Laptev Sea	244.3	244.4	238.1	240.3	239.1	240.5	246.1	250.5	255.4	273.0	284.1	281.5	281.3	280.6	280.5	286.8	291.6	293.8	291.0	281.6	273.0	267.0	264.9	273.6	277.0	273.4	263.9	258.6	266.1	273.4	-9999.0
150	East Siberian Sea	216.5	217.4	222.0	235.8	236.0	236.9	235.6	235.0	236.4	250.9	258.7	245.7	250.8	254.4	260.0	265.3	283.6	282.7	285.2	296.2	291.8	284.2	281.6	271.5	269.5	266.9	267.3	269.1	268.6	268.6	-9999.0
152	Gulf of Alaska	240.9	244.2	254.0	252.0	239.4	238.4	238.4	239.0	248.4	261.2	261.8	255.0	256.5	261.4	258.4	255.8	266.5	258.6	245.4	256.3	257.6	256.8	255.8	258.9	260.0	256.4	258.4	258.8	259.7	257.6	-9999.0
154	Southeast Bering Sea	235.9	237.9	256.1	249.2	232.7	230.7	236.2	247.3	253.7	278.4	282.1	278.8	272.1	277.5	284.5	282.1	272.7	265.9	260.9	269.1	275.8	273.4	275.8	283.0	284.0	281.8	283.0	278.2	273.2	283.2	-9999.0