1956 04 - daily  - mean of NCEP mean Daily Cloud Forcing Net 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	28.6	28.8	27.5	27.1	27.9	29.0	31.4	31.5	30.0	27.2	25.0	24.4	25.9	26.5	26.5	26.2	26.5	26.1	29.1	28.7	27.3	27.0	28.5	26.5	25.9	25.5	25.6	27.0	26.7	27.1	-9999.0
34	Hudson Bay	28.9	33.2	27.9	32.7	32.2	27.2	25.3	32.8	24.8	31.0	21.4	19.7	25.7	26.2	16.8	25.6	27.9	22.0	29.5	29.9	29.0	23.5	25.7	34.2	29.6	31.6	31.2	22.7	25.0	23.2	-9999.0
36	Hudson Strait	18.5	20.3	19.6	12.2	47.8	47.8	40.1	10.1	11.6	15.3	9.8	9.7	8.0	11.3	6.8	6.5	27.8	36.4	46.7	46.5	45.0	41.7	51.9	37.6	29.7	16.9	26.7	44.8	44.4	36.0	-9999.0
98	Bering Strait	32.7	37.2	40.0	28.8	33.3	36.3	41.7	26.3	29.5	34.6	34.5	29.0	20.5	29.6	22.1	15.3	23.7	28.6	26.6	21.1	14.6	23.1	24.9	20.3	18.0	18.8	21.4	18.4	22.6	30.7	-9999.0
128	Arctic subocean	9.2	13.9	11.4	11.7	11.6	7.1	11.2	14.4	19.3	11.3	15.4	18.0	12.0	16.6	14.9	12.7	15.9	15.7	21.9	14.2	17.7	16.9	10.9	10.8	11.0	10.4	18.7	30.6	23.6	26.7	-9999.0
130	Chukchi Sea	32.6	21.9	12.9	19.0	22.3	22.1	13.1	11.6	25.5	37.9	31.9	26.7	23.4	25.1	15.2	13.7	10.4	21.6	28.7	43.1	37.2	27.8	17.6	20.4	23.6	17.0	28.5	18.2	36.7	53.9	-9999.0
132	Beaufort Sea	22.2	28.7	31.4	28.8	25.8	20.4	33.2	31.7	31.6	15.8	14.8	17.2	17.3	23.4	31.6	25.5	18.1	27.6	24.6	17.6	18.9	12.4	28.2	19.4	26.8	16.9	16.4	25.2	22.5	23.2	-9999.0
134	Arctic Archipelago	40.3	37.6	33.6	35.2	30.2	22.9	34.6	29.3	25.9	20.7	19.4	36.6	34.5	31.9	33.0	40.3	18.7	16.9	33.8	32.2	28.2	33.1	29.6	27.3	20.6	21.0	12.8	22.6	23.4	18.3	-9999.0
136	Foxe Basin	21.8	34.4	27.7	21.5	34.6	62.1	59.3	32.8	36.7	31.8	28.9	26.0	24.6	12.7	12.6	19.3	15.9	13.0	16.2	22.1	25.4	31.0	32.3	28.1	40.7	30.9	34.5	36.9	17.8	17.5	-9999.0
138	Baffin Bay	19.9	8.9	5.1	7.7	8.5	13.2	21.1	37.1	33.3	29.7	18.3	13.7	6.5	9.3	13.4	13.8	28.4	32.3	16.2	8.2	13.9	19.2	18.2	13.5	17.2	13.6	14.0	19.3	14.0	13.3	-9999.0
139	South Greenland	35.9	17.6	31.5	33.6	40.0	28.9	22.0	27.1	29.8	19.1	10.5	13.3	16.5	15.9	20.8	24.7	25.8	26.8	30.9	31.4	36.0	28.3	27.2	33.6	24.8	28.5	30.0	35.2	29.9	28.8	-9999.0
140	Greenland Sea	19.3	25.6	11.4	6.8	7.3	7.7	5.1	12.4	23.5	15.0	15.9	24.7	29.3	15.0	13.5	18.9	9.5	12.3	11.3	10.4	6.5	5.5	5.9	4.0	7.5	8.7	8.9	11.3	18.2	13.5	-9999.0
142	Norwegian Sea	46.6	48.0	34.8	27.6	25.2	21.7	21.4	40.1	41.1	40.6	38.7	33.8	55.8	56.2	43.3	37.2	32.1	31.7	41.8	20.4	34.9	39.5	37.2	23.5	36.8	40.4	33.7	34.3	25.1	25.0	-9999.0
144	Barents Sea	38.2	44.3	40.0	38.6	24.3	22.5	26.9	43.3	38.6	26.5	29.5	38.3	25.2	23.7	25.1	22.3	20.7	30.5	36.8	34.0	19.4	20.6	18.3	17.6	26.5	25.7	27.5	24.1	24.4	26.4	-9999.0
146	Kara Sea	29.1	28.9	29.0	28.8	25.9	29.1	31.6	31.0	30.7	30.0	27.2	26.8	28.6	28.2	29.5	27.9	30.3	27.6	31.3	34.6	31.0	29.3	29.0	26.7	25.5	30.3	25.6	26.0	26.1	28.0	-9999.0
148	Laptev Sea	23.5	20.5	18.1	20.6	28.3	37.0	39.5	37.2	30.7	28.5	32.5	22.9	29.9	34.4	37.7	28.0	26.6	23.7	22.8	23.1	30.9	30.1	33.2	31.6	31.0	24.3	28.9	37.6	38.1	36.3	-9999.0
150	East Siberian Sea	29.1	27.4	30.5	25.6	31.6	40.1	37.1	33.3	32.1	26.8	27.4	26.6	33.3	27.0	25.8	37.3	45.6	40.6	48.0	48.9	36.4	54.9	48.4	29.1	29.6	29.0	40.6	31.1	20.1	16.8	-9999.0
152	Gulf of Alaska	49.4	50.1	35.2	26.6	37.8	44.9	48.7	35.5	38.3	42.7	32.8	40.5	33.3	27.3	24.2	28.4	37.7	26.2	15.8	10.2	13.7	25.5	21.5	15.4	15.1	18.0	20.3	17.8	21.0	28.6	-9999.0
154	Southeast Bering Sea	27.5	43.7	33.4	19.1	10.0	8.8	16.0	21.5	51.6	27.2	47.4	29.6	36.2	31.4	28.5	36.7	12.5	12.3	9.5	8.6	3.1	6.5	22.3	35.5	17.8	36.9	17.5	17.0	37.7	59.3	-9999.0