1953 02 - 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	138.6	140.8	147.0	151.3	149.6	148.0	149.5	150.1	151.4	150.7	151.6	151.2	152.5	154.2	152.5	149.6	148.7	151.1	153.5	156.4	158.6	155.7	155.6	158.5	160.3	157.2	151.0	149.1	-9999.0	-9999.0	-9999.0
34	Hudson Bay	145.0	155.1	165.7	178.4	182.8	183.0	183.0	180.5	175.4	181.1	190.3	179.8	176.6	170.1	165.9	160.8	164.9	163.1	151.3	149.9	160.0	173.2	173.3	171.3	178.2	179.6	162.4	139.8	-9999.0	-9999.0	-9999.0
36	Hudson Strait	135.2	133.7	134.1	132.9	135.6	137.7	147.5	155.5	154.4	142.1	133.3	131.2	139.5	147.6	153.9	174.5	187.4	182.0	160.4	145.8	132.6	138.0	137.0	136.0	116.2	110.7	131.0	149.5	-9999.0	-9999.0	-9999.0
98	Bering Strait	127.9	129.3	143.3	133.1	123.1	132.4	139.6	149.3	166.3	148.9	168.7	179.0	176.9	174.0	170.4	161.3	153.4	157.8	169.0	172.9	167.7	154.3	174.9	170.4	176.3	170.5	159.1	160.7	-9999.0	-9999.0	-9999.0
128	Arctic subocean	107.2	103.6	104.6	148.0	149.9	126.9	111.8	101.1	93.3	86.7	91.4	97.4	104.8	103.3	100.4	111.0	108.9	106.6	107.0	102.4	105.1	101.1	106.6	110.1	99.0	89.9	95.3	107.5	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	130.4	112.2	100.7	96.4	102.0	115.6	111.4	114.0	133.0	130.9	141.2	160.6	165.8	174.2	173.7	165.0	151.6	145.4	149.0	145.0	136.4	127.1	151.6	159.2	160.1	148.4	130.1	154.6	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	143.4	158.1	175.0	179.5	169.7	161.2	167.7	169.9	181.1	190.6	175.4	186.0	185.9	176.0	173.1	168.1	161.2	149.5	152.9	178.7	189.6	180.1	174.7	188.4	189.0	184.3	171.7	164.6	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	119.7	124.4	127.4	131.8	132.5	133.0	128.9	123.7	137.3	156.8	146.7	139.4	138.0	134.8	129.3	125.5	118.6	124.2	133.1	140.0	150.7	140.8	126.1	127.1	129.9	122.3	115.3	120.6	-9999.0	-9999.0	-9999.0
136	Foxe Basin	126.4	126.2	147.6	139.4	128.9	128.4	140.0	143.6	125.5	144.0	156.1	154.5	154.2	151.6	142.5	132.0	140.0	146.2	143.1	138.4	131.4	133.6	129.8	115.3	114.5	119.2	120.0	109.1	-9999.0	-9999.0	-9999.0
138	Baffin Bay	113.4	103.3	119.2	169.7	144.2	120.4	115.9	108.0	94.8	90.7	94.9	97.0	112.2	127.9	116.9	96.0	98.7	100.4	94.3	87.6	83.1	79.5	77.5	84.1	77.3	76.4	79.2	80.5	-9999.0	-9999.0	-9999.0
139	South Greenland	130.0	140.6	166.5	175.9	157.4	146.9	147.2	144.2	148.2	134.8	143.3	161.4	169.6	173.5	155.5	126.3	122.6	135.7	130.2	125.5	112.9	104.8	105.6	106.1	102.1	101.6	117.2	121.3	-9999.0	-9999.0	-9999.0
140	Greenland Sea	95.0	101.6	108.1	155.3	166.3	146.1	134.1	124.9	126.0	102.2	82.4	81.5	84.4	105.2	105.4	90.2	80.2	82.9	84.4	71.2	74.0	73.0	73.7	85.9	86.3	71.9	75.6	82.9	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	197.9	199.0	215.8	192.6	173.3	168.0	162.5	159.6	160.6	166.0	169.9	183.8	200.2	199.9	198.1	220.9	217.4	215.0	188.0	198.9	219.0	204.1	203.1	215.5	237.6	238.8	220.4	225.8	-9999.0	-9999.0	-9999.0
144	Barents Sea	168.3	156.6	148.3	144.3	144.4	145.6	150.8	152.9	153.5	152.2	158.8	169.0	168.6	168.0	169.6	165.1	163.7	164.7	171.0	177.7	175.7	176.3	170.3	165.0	176.6	196.4	203.7	194.9	-9999.0	-9999.0	-9999.0
146	Kara Sea	146.0	148.4	150.1	152.1	155.4	156.2	157.3	156.9	155.2	154.8	155.2	150.6	151.3	155.6	161.1	163.6	164.5	170.2	178.2	179.1	182.6	181.7	185.3	191.2	186.0	173.9	166.3	168.3	-9999.0	-9999.0	-9999.0
148	Laptev Sea	134.6	129.3	129.4	130.4	130.9	126.8	124.4	124.8	127.0	123.0	118.7	118.1	123.7	133.6	131.5	135.8	133.6	133.8	140.1	145.8	145.7	134.7	127.5	130.9	142.9	148.2	140.3	137.8	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	122.0	117.3	122.8	116.5	108.4	113.8	131.5	139.5	138.3	133.4	125.9	116.9	113.4	111.3	106.7	106.5	113.1	123.2	121.8	123.2	124.2	118.5	115.0	111.9	113.2	117.0	118.2	122.1	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	171.1	188.2	201.3	177.1	160.6	178.1	179.7	195.9	196.2	178.2	206.8	213.4	207.7	202.0	194.6	183.8	173.2	188.6	208.3	207.7	200.7	190.3	210.2	205.2	212.4	198.3	184.1	194.0	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	136.7	140.6	137.0	116.8	123.4	130.1	125.2	147.3	148.3	177.3	217.0	211.3	201.5	208.5	192.7	177.5	170.4	200.5	204.1	203.2	188.2	193.9	211.0	215.0	218.2	194.1	184.6	212.0	-9999.0	-9999.0	-9999.0