1973 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	141.2	145.0	145.5	143.8	142.9	145.5	147.0	144.3	145.1	145.9	144.4	142.2	139.7	139.8	142.4	146.7	149.2	148.2	147.1	148.2	150.0	149.9	149.0	148.4	146.9	147.9	151.8	153.8	-9999.0	-9999.0	-9999.0
34	Hudson Bay	181.4	191.7	190.7	170.8	157.3	148.7	150.4	143.8	133.4	135.4	145.7	152.7	144.2	131.0	124.7	148.7	171.8	175.6	154.4	148.1	156.5	172.2	155.3	143.9	139.8	146.4	152.0	160.0	-9999.0	-9999.0	-9999.0
36	Hudson Strait	135.2	144.1	158.7	167.8	161.7	151.4	163.7	133.1	115.7	96.9	120.4	144.0	159.2	136.8	95.2	91.1	123.9	135.2	124.7	113.9	119.2	136.9	160.7	165.2	142.7	127.4	121.7	114.1	-9999.0	-9999.0	-9999.0
98	Bering Strait	135.0	148.5	152.0	165.2	169.6	169.7	176.9	174.4	172.3	157.3	142.8	129.1	126.2	148.0	154.3	151.7	155.3	158.7	168.2	182.2	179.8	173.2	173.8	167.9	160.6	154.6	160.3	164.4	-9999.0	-9999.0	-9999.0
128	Arctic subocean	102.3	94.6	95.5	95.8	96.1	99.6	88.5	80.2	75.8	69.2	80.9	96.5	113.8	113.7	100.4	94.4	103.9	113.9	116.1	117.2	110.8	118.2	116.0	105.5	99.0	103.6	96.9	95.9	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	122.7	129.0	126.7	190.9	186.8	170.0	175.2	178.7	178.3	156.8	153.9	148.2	130.9	128.6	133.4	125.7	138.1	138.5	154.9	166.0	163.8	170.3	175.1	179.7	174.9	169.0	161.3	152.9	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	173.9	174.5	169.7	160.9	160.0	173.3	173.8	164.9	157.9	144.6	122.6	112.1	118.7	136.8	164.4	180.9	179.3	166.0	168.7	171.8	197.5	183.8	165.6	150.3	142.7	144.3	157.1	166.0	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	140.6	139.5	135.9	132.5	130.4	146.2	136.9	107.9	115.9	104.1	82.1	89.2	102.5	115.6	127.1	133.0	117.1	114.4	115.6	119.8	123.5	116.0	109.2	110.0	115.9	116.6	118.4	122.8	-9999.0	-9999.0	-9999.0
136	Foxe Basin	126.1	140.8	149.9	149.5	144.9	119.4	112.8	110.7	97.8	99.3	106.3	91.1	90.0	79.0	82.5	103.7	115.0	111.0	112.8	116.7	111.4	108.6	113.8	120.3	115.6	110.3	110.6	109.2	-9999.0	-9999.0	-9999.0
138	Baffin Bay	99.0	94.5	86.8	85.3	87.9	88.5	83.5	74.3	71.2	73.2	76.7	72.6	72.3	74.3	80.9	83.3	83.3	84.1	94.4	112.5	100.6	89.6	89.1	81.5	77.8	81.4	91.9	96.7	-9999.0	-9999.0	-9999.0
139	South Greenland	118.1	112.1	115.8	114.0	124.4	126.4	110.6	114.1	105.0	114.2	108.8	98.9	97.1	109.6	118.8	102.5	94.8	101.6	117.5	126.9	107.4	101.4	100.2	111.2	120.6	127.9	133.2	122.0	-9999.0	-9999.0	-9999.0
140	Greenland Sea	86.9	78.8	75.7	80.5	71.9	73.6	77.7	70.2	70.3	73.1	84.4	78.4	79.6	84.3	81.7	86.6	99.1	102.0	112.5	112.5	99.0	92.3	99.6	84.6	86.3	85.6	94.5	93.2	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	221.0	219.5	213.9	227.0	220.5	208.6	201.1	194.1	188.3	182.9	194.4	213.9	208.4	207.5	206.1	203.2	205.2	212.2	223.1	216.7	205.2	195.1	202.2	200.0	196.3	192.8	198.8	206.8	-9999.0	-9999.0	-9999.0
144	Barents Sea	168.3	174.0	181.9	178.3	174.6	175.2	168.3	162.0	162.7	164.1	162.2	162.4	173.3	189.5	202.8	206.0	202.3	200.9	208.5	210.4	196.1	190.2	187.8	188.8	185.8	187.7	175.6	181.3	-9999.0	-9999.0	-9999.0
146	Kara Sea	139.8	141.1	137.1	137.0	141.7	150.1	156.8	162.5	174.6	180.7	178.2	171.2	159.2	150.2	152.2	154.7	157.0	155.4	153.4	153.3	159.7	161.0	164.6	170.1	168.7	166.8	168.8	169.6	-9999.0	-9999.0	-9999.0
148	Laptev Sea	117.8	124.1	133.1	131.6	128.1	127.3	130.2	134.2	131.9	136.0	145.2	149.0	148.0	143.2	139.1	136.1	132.3	127.7	124.8	122.3	118.5	120.6	127.8	132.0	131.9	132.9	141.8	144.6	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	97.2	98.6	108.6	118.9	119.7	121.3	123.9	120.0	134.1	151.6	149.1	148.3	146.1	147.6	144.2	135.8	125.5	122.2	120.6	123.2	123.8	120.9	133.6	141.4	158.7	169.7	168.2	157.9	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	172.5	191.2	194.1	180.1	181.6	192.8	192.0	180.7	173.5	168.6	148.8	138.6	154.5	180.4	196.1	200.7	200.0	201.6	206.8	214.1	203.0	193.3	184.8	175.9	165.5	161.0	180.1	186.0	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	174.7	199.7	162.5	190.1	196.4	205.5	211.9	199.8	190.5	184.9	167.2	153.6	158.8	183.4	170.2	181.8	182.4	205.1	215.2	216.3	203.3	195.9	206.6	198.6	176.1	166.5	156.3	155.2	-9999.0	-9999.0	-9999.0