1953 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	258.6	262.0	264.2	264.1	264.1	263.6	265.5	267.6	267.1	266.5	266.2	266.8	266.9	266.2	265.1	264.0	265.9	267.9	268.7	271.2	274.5	274.6	275.3	276.5	277.6	277.1	280.0	281.8	283.7	286.2	-9999.0
34	Hudson Bay	268.8	273.5	270.5	254.0	246.0	251.9	264.6	274.9	275.8	276.6	289.7	299.1	304.4	305.4	298.5	288.5	290.6	287.9	282.4	281.2	283.4	274.4	273.8	282.2	287.5	286.0	285.6	282.0	293.6	299.0	-9999.0
36	Hudson Strait	230.5	230.5	229.5	226.2	225.0	223.6	237.4	236.7	231.3	233.3	239.4	248.5	258.6	259.9	262.6	265.5	248.9	248.0	253.2	243.9	238.9	258.4	260.8	240.0	239.5	254.6	278.6	267.6	258.9	256.8	-9999.0
98	Bering Strait	255.2	259.2	269.6	268.3	268.9	272.0	274.1	270.8	271.3	267.7	268.0	272.6	268.8	262.1	264.9	266.2	264.3	265.2	266.1	267.6	273.0	273.9	279.1	285.7	282.6	279.5	277.5	279.7	264.4	264.5	-9999.0
128	Arctic subocean	206.6	205.7	204.0	205.2	204.5	207.2	204.5	208.0	205.8	205.1	209.1	204.9	208.0	216.9	216.5	214.1	211.2	208.5	211.9	217.2	218.6	222.8	227.9	222.8	221.8	225.2	223.6	222.8	219.2	218.5	-9999.0
130	Chukchi Sea	245.8	248.5	261.1	260.3	254.8	256.8	258.6	257.9	259.9	258.8	262.0	262.3	262.3	257.8	259.9	257.4	254.5	250.9	252.9	262.7	270.9	269.4	267.6	273.2	276.3	265.4	269.8	263.6	263.2	263.5	-9999.0
132	Beaufort Sea	257.1	258.1	259.4	263.7	269.4	272.5	272.3	277.0	275.0	272.6	275.8	286.1	290.0	278.7	265.7	266.6	269.2	266.8	261.7	262.4	267.9	271.7	271.4	270.3	268.3	262.0	259.1	263.7	269.2	275.8	-9999.0
134	Arctic Archipelago	209.1	212.3	218.8	228.8	220.9	216.8	218.6	228.2	222.8	213.5	217.2	228.2	222.1	215.1	217.5	223.0	229.9	233.0	234.9	239.9	242.8	248.1	251.6	241.6	236.6	235.8	237.0	237.5	239.1	249.0	-9999.0
136	Foxe Basin	205.1	208.4	211.6	213.9	217.4	220.3	223.5	225.2	228.7	216.8	211.8	211.1	221.4	216.5	215.3	219.5	218.5	223.8	228.3	227.7	223.9	231.2	225.2	237.8	241.3	242.8	246.1	243.8	242.5	242.3	-9999.0
138	Baffin Bay	176.8	184.1	185.2	187.1	194.2	199.2	199.2	198.5	190.9	192.8	187.4	189.4	195.6	194.2	194.6	189.4	185.1	185.8	198.1	203.6	205.3	210.9	210.6	208.2	208.5	211.7	209.3	210.1	206.0	198.9	-9999.0
139	South Greenland	204.2	222.1	223.0	218.1	210.4	204.0	207.0	200.6	199.5	199.3	198.3	199.4	197.1	195.1	195.6	193.5	186.8	201.7	211.8	211.3	213.1	216.7	217.4	216.1	217.8	219.3	217.0	216.7	218.8	217.7	-9999.0
140	Greenland Sea	182.2	184.7	197.9	205.1	206.2	201.9	197.9	207.9	199.2	193.3	194.8	198.5	204.2	206.5	199.6	198.0	196.4	196.9	210.4	214.8	214.2	224.8	228.6	220.9	216.2	218.9	216.8	207.5	205.5	205.5	-9999.0
142	Norwegian Sea	257.3	265.3	292.0	289.5	278.7	269.0	268.1	276.1	283.2	287.3	289.1	294.6	300.2	304.5	299.8	296.1	298.8	300.9	303.9	310.5	300.7	305.1	310.6	314.8	309.9	302.2	307.2	302.5	294.9	296.5	-9999.0
144	Barents Sea	271.0	296.2	306.5	318.9	321.3	321.8	304.7	280.7	272.4	277.3	287.2	293.3	294.9	285.4	278.2	277.7	284.5	295.7	292.0	287.2	292.1	295.6	299.7	301.2	298.0	269.9	271.7	273.3	271.3	274.9	-9999.0
146	Kara Sea	298.3	292.9	286.6	283.3	285.5	287.2	291.7	294.4	293.4	294.8	289.6	285.1	284.8	286.7	283.2	275.4	274.4	273.1	275.1	280.3	285.5	290.5	296.1	296.4	297.3	301.1	306.9	313.9	320.1	325.1	-9999.0
148	Laptev Sea	254.5	260.9	270.5	276.4	278.0	263.5	259.6	262.2	269.2	268.9	259.1	251.4	246.3	251.0	264.5	279.6	288.3	295.3	297.3	300.7	301.2	289.7	284.8	288.4	291.7	295.0	302.1	304.4	303.7	300.5	-9999.0
150	East Siberian Sea	237.7	239.5	249.7	263.2	272.0	278.1	279.8	284.9	283.3	279.7	275.9	264.0	261.9	262.9	263.5	265.0	275.8	282.4	280.5	285.8	288.4	284.4	268.7	266.3	269.6	267.9	273.6	278.7	278.8	281.9	-9999.0
152	Gulf of Alaska	256.6	262.7	266.6	262.3	257.2	265.6	270.2	272.6	266.8	255.4	260.8	264.0	249.7	251.4	256.7	256.1	258.9	263.0	265.5	273.0	278.9	277.9	282.5	289.8	299.6	302.2	305.7	299.4	273.3	265.3	-9999.0
154	Southeast Bering Sea	255.8	271.4	290.2	292.2	278.8	276.5	264.9	261.9	271.3	271.9	268.3	264.6	263.7	269.7	275.0	270.7	271.5	265.2	264.9	272.6	284.6	288.2	297.2	304.7	321.4	326.0	324.9	301.7	282.9	285.3	-9999.0