1964 01 - 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	159.4	154.5	149.1	148.0	147.2	144.0	143.0	142.5	141.8	142.0	141.2	145.8	151.6	151.2	149.8	149.4	147.6	144.2	140.7	142.0	141.8	140.4	140.9	141.5	144.3	146.3	147.2	148.1	147.5	147.7	146.6
34	Hudson Bay	204.4	186.5	172.3	165.3	156.1	159.1	162.5	154.5	148.0	144.4	139.0	143.7	153.8	164.1	166.2	149.4	146.9	151.9	160.4	168.7	161.2	149.6	150.8	149.7	154.0	152.6	151.6	164.0	168.3	172.4	177.8
36	Hudson Strait	150.4	158.6	126.6	127.5	117.7	120.4	118.5	128.3	137.8	146.8	156.9	156.5	135.8	120.2	131.6	141.7	135.7	125.3	122.3	142.5	171.8	157.5	148.8	172.2	158.8	163.6	158.5	142.0	137.5	119.0	116.6
98	Bering Strait	164.9	155.3	153.3	154.3	153.7	137.1	129.3	136.6	132.3	131.5	141.0	155.9	156.6	155.9	159.9	162.6	150.2	132.3	119.8	117.6	127.0	132.8	144.0	157.5	164.3	163.1	157.7	153.8	148.4	140.4	145.3
128	Arctic subocean	108.5	98.0	102.1	108.6	110.4	102.6	93.5	94.7	95.5	87.1	77.4	85.4	109.3	144.4	105.7	113.8	135.1	145.0	145.3	134.9	116.6	108.5	108.0	106.7	101.2	97.5	92.8	87.0	93.9	96.5	87.7
130	Chukchi Sea	140.5	142.7	140.2	133.9	132.5	128.8	137.1	128.0	122.2	124.0	129.5	141.0	142.7	156.9	159.9	153.2	142.5	123.1	108.7	120.5	133.7	144.2	155.3	163.6	162.5	149.2	130.2	128.8	122.0	99.8	110.5
132	Beaufort Sea	190.5	174.4	168.9	166.2	174.0	169.1	151.8	140.6	151.1	147.8	139.5	153.1	166.4	156.8	151.7	158.5	154.2	137.3	131.1	126.1	123.1	124.6	129.8	139.5	139.7	146.4	161.1	155.9	162.5	167.4	160.1
134	Arctic Archipelago	132.9	129.3	114.8	115.9	119.2	121.8	112.5	111.9	121.6	123.2	113.1	99.3	101.3	104.5	105.2	108.8	110.3	112.9	109.5	106.3	107.9	112.0	116.4	115.2	119.0	123.6	124.5	113.3	111.1	119.7	125.2
136	Foxe Basin	118.3	117.1	114.7	106.6	100.3	100.7	101.8	102.3	97.3	104.2	114.8	126.0	118.4	105.8	141.4	157.9	157.6	141.6	121.2	117.0	135.1	135.7	118.5	118.5	133.8	139.4	125.5	126.2	105.9	105.9	113.4
138	Baffin Bay	97.0	109.7	119.3	112.4	101.6	83.9	84.9	85.4	74.8	69.9	75.3	93.0	150.4	151.2	130.4	148.8	164.9	158.8	148.1	125.4	107.6	99.4	112.8	94.5	89.3	98.0	111.2	107.2	97.9	92.8	85.2
139	South Greenland	127.7	145.8	139.8	149.8	149.2	128.5	132.1	114.8	104.7	111.0	119.2	152.2	179.0	162.9	163.6	174.6	176.2	161.5	142.3	136.1	125.2	133.9	138.9	138.7	146.8	161.7	152.1	137.1	119.3	104.1	93.7
140	Greenland Sea	93.8	106.6	111.6	116.9	135.7	108.6	96.8	103.5	91.3	82.2	77.9	82.8	131.4	168.1	150.6	140.0	152.7	143.8	135.5	129.4	116.9	104.6	98.2	87.7	76.5	83.1	95.3	99.3	95.3	97.0	83.7
142	Norwegian Sea	201.9	212.6	242.2	227.1	214.7	213.3	226.3	239.6	232.4	223.4	241.2	214.4	188.0	189.1	206.7	220.2	225.1	224.6	231.1	234.6	220.5	212.5	227.7	198.1	183.7	184.3	179.9	218.8	228.3	220.7	205.9
144	Barents Sea	194.3	168.5	166.8	193.2	195.8	182.3	181.0	196.6	209.9	200.8	181.7	183.1	183.7	163.8	157.7	161.1	172.8	174.4	141.0	158.1	176.3	164.7	145.7	162.7	161.9	146.8	144.2	146.5	154.8	175.7	182.5
146	Kara Sea	170.5	163.8	160.9	157.1	158.0	163.3	164.1	161.3	155.4	156.8	157.8	158.3	155.8	158.0	160.3	160.3	156.6	154.5	154.9	154.1	144.7	141.9	147.3	152.4	161.5	162.1	160.7	164.1	162.6	159.0	154.0
148	Laptev Sea	123.1	132.2	126.5	124.1	121.6	119.0	127.6	138.4	145.8	146.7	141.6	140.1	142.2	136.4	130.5	127.4	123.7	125.9	128.3	136.8	152.9	154.2	140.8	123.9	122.9	130.0	134.3	137.1	137.8	136.1	137.3
150	East Siberian Sea	118.7	115.8	110.5	100.6	100.4	95.9	85.9	81.3	83.8	99.4	108.7	111.3	110.3	113.7	109.5	111.4	111.5	113.5	114.2	115.5	116.8	125.3	121.0	119.6	113.9	113.9	118.1	118.5	120.7	135.4	131.6
152	Gulf of Alaska	201.2	192.4	194.3	198.8	198.0	177.6	168.0	185.5	175.2	161.3	186.2	204.1	208.0	199.7	203.5	203.7	183.8	171.7	154.6	137.8	136.0	156.5	182.0	182.0	194.8	201.4	204.0	192.0	185.9	181.1	191.8
154	Southeast Bering Sea	172.6	171.4	164.5	178.2	161.6	151.8	155.8	159.0	142.5	158.7	209.4	217.0	202.0	204.7	201.3	185.6	166.0	154.8	146.6	138.4	164.1	197.9	217.1	215.1	206.8	200.9	192.0	192.2	182.1	181.9	200.8