1974 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	29.3	27.5	24.3	25.0	24.7	27.7	26.2	28.8	28.1	27.5	25.5	25.1	25.9	25.6	25.0	25.0	24.4	26.3	27.0	26.4	28.3	27.1	28.7	29.0	26.9	25.2	27.0	27.8	26.7	25.4	-9999.0
34	Hudson Bay	32.7	36.4	28.8	26.4	23.8	27.4	24.3	28.8	25.7	26.7	25.0	27.2	33.8	26.2	26.5	25.3	21.4	16.4	31.6	29.6	37.3	31.7	22.1	26.3	24.5	18.1	30.5	34.1	27.6	30.0	-9999.0
36	Hudson Strait	32.7	19.0	20.8	20.0	33.8	57.0	27.0	35.4	34.2	23.7	28.8	24.8	30.9	14.2	30.1	24.2	10.1	13.9	18.6	16.3	31.7	27.0	19.2	28.6	36.2	31.5	31.7	10.2	26.1	33.1	-9999.0
98	Bering Strait	9.4	6.4	10.3	12.2	14.6	22.9	29.8	31.7	29.3	33.5	29.0	26.8	27.0	39.3	28.6	30.4	32.6	39.0	31.8	28.5	26.5	24.8	41.7	40.1	27.5	19.2	22.6	32.3	21.7	16.5	-9999.0
128	Arctic subocean	20.7	28.4	14.5	18.9	27.6	34.8	19.5	20.0	16.5	17.5	21.5	16.9	14.9	22.1	20.0	9.0	10.0	15.6	16.6	14.7	16.0	14.5	13.3	8.3	10.7	13.6	9.1	5.4	7.0	7.1	-9999.0
130	Chukchi Sea	7.0	5.8	4.0	13.6	14.0	14.6	30.3	28.4	13.2	16.4	9.0	9.3	11.9	25.0	20.7	14.8	19.1	25.6	14.4	12.3	6.3	10.4	16.9	30.3	25.6	16.7	32.6	11.5	12.7	5.7	-9999.0
132	Beaufort Sea	36.4	32.5	20.5	13.8	11.0	21.6	28.0	28.4	33.1	31.0	35.3	38.3	24.3	29.5	29.3	21.0	18.9	34.3	34.2	32.6	29.5	28.7	36.0	27.3	19.3	20.3	17.5	21.3	21.8	20.8	-9999.0
134	Arctic Archipelago	26.3	25.0	22.4	23.8	22.2	17.6	14.2	14.5	19.8	31.6	26.6	22.7	33.8	27.0	26.6	18.1	17.7	24.3	25.1	30.4	30.4	27.2	28.4	32.8	25.2	18.8	24.7	22.2	32.5	26.1	-9999.0
136	Foxe Basin	47.3	58.1	45.7	26.7	40.4	50.8	60.0	58.4	59.9	46.0	37.9	35.4	29.9	42.0	37.1	35.0	32.5	20.7	34.2	37.8	39.7	26.5	19.7	25.7	50.9	26.4	39.8	48.1	43.9	29.0	-9999.0
138	Baffin Bay	17.6	20.8	15.7	15.5	16.0	12.8	10.5	13.9	28.8	18.2	20.2	28.0	16.3	15.7	19.4	22.6	31.7	29.0	22.9	19.4	23.0	16.8	16.9	15.4	21.1	29.2	22.0	22.9	18.3	18.2	-9999.0
139	South Greenland	20.9	23.9	19.8	23.7	20.3	15.5	21.5	35.1	25.4	19.1	19.0	25.2	32.9	22.1	23.9	27.1	20.0	20.7	27.7	23.8	18.7	17.9	27.2	36.1	27.0	26.2	26.2	31.5	38.2	30.2	-9999.0
140	Greenland Sea	8.2	5.8	18.7	19.8	22.5	28.4	16.9	7.4	7.3	9.7	2.9	11.3	24.6	10.8	8.8	14.8	9.7	6.9	12.3	12.4	13.4	9.2	8.8	17.2	14.8	14.7	9.8	6.1	12.5	8.3	-9999.0
142	Norwegian Sea	21.4	24.7	33.4	41.6	43.8	38.7	39.4	33.6	37.0	32.6	20.8	25.8	41.6	46.9	31.9	23.1	42.8	25.2	51.9	41.5	35.5	40.3	30.8	27.2	44.1	34.1	30.7	24.3	15.1	30.6	-9999.0
144	Barents Sea	38.5	22.2	19.7	32.2	42.0	33.7	35.5	46.5	36.3	33.5	29.0	27.9	21.3	27.6	23.7	30.5	32.8	32.8	31.8	33.5	33.4	30.1	28.9	24.6	26.0	32.3	30.2	19.4	31.2	26.2	-9999.0
146	Kara Sea	33.0	30.7	30.2	30.2	28.0	31.8	28.5	30.7	31.6	29.7	29.9	28.6	28.4	27.6	24.4	24.8	23.3	25.0	22.9	24.1	22.9	26.9	28.9	24.1	24.9	25.5	28.4	30.6	25.8	27.9	-9999.0
148	Laptev Sea	34.4	33.3	26.6	25.7	25.0	31.3	28.1	27.1	24.4	28.1	21.0	15.8	18.1	21.8	24.9	25.3	31.3	34.3	31.3	28.6	37.0	31.9	32.2	39.4	41.5	38.8	34.2	34.5	36.6	30.6	-9999.0
150	East Siberian Sea	19.9	16.9	16.8	32.0	26.2	18.8	14.2	17.7	15.9	11.2	10.4	8.7	6.9	10.0	17.3	25.1	25.8	22.1	14.6	15.9	23.6	23.6	26.3	26.3	20.8	20.0	17.9	18.6	13.6	13.7	-9999.0
152	Gulf of Alaska	16.1	10.5	22.2	21.3	36.8	34.5	32.3	37.7	39.9	51.7	37.3	35.6	57.3	47.3	38.1	49.0	28.0	29.9	32.2	31.5	32.0	22.6	54.4	51.7	20.3	22.6	35.9	34.5	21.7	26.3	-9999.0
154	Southeast Bering Sea	9.8	15.1	16.8	13.0	24.2	28.2	33.1	36.0	54.7	26.6	27.7	28.4	31.9	32.5	33.4	32.2	34.7	35.7	27.4	35.4	16.0	39.5	52.4	41.6	25.0	19.4	15.9	19.7	16.2	9.5	-9999.0