1948 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	256.7	255.6	256.5	254.1	252.3	254.4	257.5	259.8	260.7	260.1	259.9	262.9	266.7	267.4	267.8	270.3	270.8	272.1	275.5	276.6	274.8	276.8	280.9	280.8	275.2	274.1	277.2	277.8	277.9	281.2	-9999.0
34	Hudson Bay	304.0	309.4	303.6	284.4	276.3	287.1	287.2	289.4	293.8	282.0	267.9	269.3	279.8	283.6	270.8	267.6	267.0	273.4	278.1	287.6	287.7	295.9	305.5	297.6	280.0	285.8	297.0	300.0	296.9	298.6	-9999.0
36	Hudson Strait	229.1	229.8	269.4	244.3	226.0	228.1	232.5	243.4	254.1	264.0	267.3	269.4	262.7	257.7	260.7	257.4	253.7	249.9	249.1	252.1	250.6	260.0	281.5	282.4	255.4	249.4	263.7	275.8	280.5	295.3	-9999.0
98	Bering Strait	245.2	243.3	242.7	241.6	241.6	243.9	246.8	250.1	261.2	266.4	269.5	265.7	272.7	276.1	275.2	275.3	276.6	286.5	286.4	274.1	266.0	267.4	270.5	270.3	265.9	268.6	267.3	261.1	257.8	258.1	-9999.0
128	Arctic subocean	214.8	208.1	212.1	219.0	219.8	215.9	215.2	216.3	216.9	216.8	217.5	210.2	211.7	220.2	218.2	219.0	218.4	221.8	223.2	226.8	224.8	222.7	221.6	226.0	221.8	220.4	220.7	221.4	223.7	220.8	-9999.0
130	Chukchi Sea	235.1	229.5	229.0	223.7	232.7	234.5	228.8	234.8	238.3	253.1	250.7	249.4	257.4	250.9	249.8	260.0	266.6	277.4	283.7	271.7	263.6	261.5	264.7	265.0	258.4	259.8	256.8	250.5	248.1	240.3	-9999.0
132	Beaufort Sea	275.4	265.6	267.4	276.1	272.7	267.2	274.9	270.1	257.7	256.8	273.3	283.6	279.1	271.1	276.8	287.2	285.9	276.6	274.8	270.3	262.6	263.2	267.8	274.7	274.2	274.7	275.4	269.4	270.7	276.6	-9999.0
134	Arctic Archipelago	235.8	222.8	224.3	237.7	241.9	238.1	236.2	245.4	238.6	226.4	226.8	232.8	235.5	219.4	219.5	236.4	243.0	225.3	218.7	221.6	226.8	233.6	239.3	242.2	239.3	239.7	249.0	255.6	252.5	260.4	-9999.0
136	Foxe Basin	218.9	227.0	225.8	218.5	219.5	225.3	232.1	237.9	232.6	237.6	246.7	257.8	255.0	248.5	242.6	236.2	234.5	239.8	246.9	251.0	247.8	230.9	229.7	233.9	230.1	232.7	240.8	248.6	255.5	252.2	-9999.0
138	Baffin Bay	196.4	196.1	198.7	198.4	198.2	195.9	192.0	202.4	207.6	210.9	202.8	203.4	209.5	214.8	214.1	212.0	209.5	209.4	212.5	216.4	216.4	216.2	213.5	212.1	201.7	202.2	200.5	200.6	202.0	210.6	-9999.0
139	South Greenland	194.0	195.5	197.3	199.7	196.0	198.4	200.3	201.4	207.2	211.4	214.6	219.7	225.1	220.8	214.3	207.8	210.2	213.8	213.4	211.0	209.0	206.7	205.6	209.9	210.3	209.6	212.6	215.0	217.4	216.0	-9999.0
140	Greenland Sea	200.9	201.3	199.3	196.4	191.9	194.0	192.8	186.1	192.2	201.1	208.0	200.1	203.1	209.7	211.4	214.5	213.0	212.4	213.1	210.5	208.5	205.3	206.6	210.2	210.7	210.0	211.0	210.7	209.8	212.3	-9999.0
142	Norwegian Sea	270.1	280.3	289.3	284.6	269.2	270.5	272.4	264.7	263.0	256.6	260.6	260.5	261.5	254.2	246.7	246.3	245.4	242.3	241.9	246.1	247.2	252.2	256.6	259.0	255.7	261.5	269.1	273.3	286.6	295.4	-9999.0
144	Barents Sea	289.0	302.6	301.3	293.1	297.3	310.5	312.7	309.0	302.2	283.6	276.9	264.2	253.8	257.6	257.3	252.3	262.2	271.1	277.3	275.1	286.5	297.8	297.7	306.0	311.4	318.6	321.1	310.2	296.2	284.5	-9999.0
146	Kara Sea	263.3	261.7	261.2	257.6	255.3	255.3	264.7	269.9	271.2	274.8	272.2	272.8	277.3	283.2	288.3	292.5	293.6	295.2	299.3	302.8	299.6	300.6	306.5	303.1	292.4	280.5	279.2	282.6	291.0	302.4	-9999.0
148	Laptev Sea	250.6	247.1	249.9	254.5	257.3	255.7	252.1	252.5	250.2	251.4	258.1	270.1	275.5	274.6	279.1	283.9	280.9	283.2	291.7	291.4	286.6	285.2	286.5	290.2	295.9	302.1	309.4	312.0	307.7	303.4	-9999.0
150	East Siberian Sea	232.0	229.3	234.2	233.8	232.0	239.4	247.2	249.5	261.2	264.3	264.3	269.6	275.5	273.6	273.3	273.1	269.6	270.6	279.5	288.4	294.1	293.1	293.8	289.2	281.2	280.5	280.9	275.3	266.5	262.7	-9999.0
152	Gulf of Alaska	243.0	238.8	244.9	244.5	247.1	257.0	246.5	243.7	253.5	262.8	263.8	268.2	280.7	282.9	279.5	283.4	289.8	289.9	283.6	266.6	257.0	259.6	257.1	260.9	265.1	268.9	258.9	246.4	251.6	261.8	-9999.0
154	Southeast Bering Sea	253.6	252.5	259.5	258.6	256.7	260.2	262.5	263.4	269.4	270.8	263.1	273.8	271.8	272.1	275.5	281.8	284.8	290.8	281.5	265.8	266.5	271.1	270.4	267.8	276.7	268.2	265.4	274.1	270.6	274.2	-9999.0