1958 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	28.1	25.4	25.4	25.4	27.4	27.9	29.0	25.5	24.1	26.1	25.6	28.6	29.3	27.5	29.9	29.6	28.7	28.9	30.1	28.2	25.6	27.5	26.4	28.8	27.4	24.3	24.3	25.7	26.1	-9999.0
34	Hudson Bay	27.5	23.3	19.2	25.3	21.1	21.1	23.8	25.0	27.6	24.6	24.4	22.9	28.7	25.9	25.8	31.0	30.9	31.9	36.1	35.7	29.3	24.8	31.0	35.7	28.9	21.3	25.2	26.6	37.1	35.8	-9999.0
36	Hudson Strait	13.7	20.7	11.5	27.4	18.1	20.9	46.5	34.4	19.7	22.2	30.0	11.1	23.7	27.5	31.5	37.9	16.3	32.7	22.2	15.2	10.8	13.3	19.6	35.5	32.7	13.9	19.4	28.5	43.7	41.9	-9999.0
98	Bering Strait	37.8	30.3	25.5	21.5	22.2	27.6	23.8	17.5	19.0	19.6	25.4	34.1	26.8	25.3	23.6	26.4	21.7	29.8	24.9	29.2	21.7	26.1	40.8	43.0	49.1	33.7	17.4	22.0	22.2	38.1	-9999.0
128	Arctic subocean	12.7	13.8	14.3	13.4	13.9	12.1	12.1	15.7	18.1	14.5	11.3	6.6	6.1	11.0	9.7	6.6	20.6	22.9	22.0	17.4	17.0	14.5	34.5	24.4	9.2	10.1	7.3	12.4	11.0	13.1	-9999.0
130	Chukchi Sea	34.1	29.1	36.9	22.9	24.2	19.4	28.2	25.6	22.6	9.6	17.8	19.0	14.1	12.6	21.2	17.0	19.3	24.5	38.4	37.5	17.4	23.3	28.7	46.0	59.7	28.9	36.7	33.9	38.1	35.2	-9999.0
132	Beaufort Sea	27.9	28.2	26.3	18.5	22.9	30.8	38.3	34.3	26.1	25.4	31.0	31.0	30.8	30.7	28.4	30.9	24.4	29.3	29.5	31.5	25.9	30.0	24.3	21.4	24.9	30.7	30.0	33.1	24.8	27.0	-9999.0
134	Arctic Archipelago	20.5	20.5	15.7	22.4	28.8	22.8	17.6	31.9	22.3	10.6	18.3	16.3	13.9	20.7	18.0	13.4	23.8	29.0	23.8	30.3	32.5	16.7	22.2	25.1	32.6	21.8	23.1	29.3	40.8	29.7	-9999.0
136	Foxe Basin	20.3	35.8	32.8	40.2	30.9	32.1	31.1	11.8	29.7	41.5	30.4	34.1	32.8	27.9	25.8	25.7	24.7	39.2	41.2	16.0	28.6	23.2	21.3	27.0	41.3	48.4	35.8	41.3	17.5	45.7	-9999.0
138	Baffin Bay	21.9	19.4	20.7	21.9	19.5	25.7	21.4	36.8	24.8	16.5	20.4	18.5	17.7	20.0	27.6	23.5	41.5	25.3	15.1	13.1	18.4	14.5	24.1	14.9	15.1	15.8	15.8	15.1	25.1	19.4	-9999.0
139	South Greenland	34.2	27.8	28.6	21.6	29.0	26.8	25.9	30.5	29.4	31.1	35.9	34.8	31.2	27.1	30.4	39.0	30.7	26.2	33.8	38.5	49.4	43.4	40.1	30.1	36.8	38.1	31.8	27.3	27.9	23.5	-9999.0
140	Greenland Sea	22.7	32.9	18.1	16.0	14.4	21.0	14.2	23.0	28.2	18.6	17.8	9.6	12.1	24.3	16.5	9.3	22.5	21.9	31.9	25.2	22.4	39.8	56.7	27.5	39.8	28.9	26.4	33.0	44.0	34.5	-9999.0
142	Norwegian Sea	36.4	30.5	32.3	32.8	31.5	31.2	34.8	35.2	30.4	28.1	40.0	51.9	36.4	48.4	38.4	40.5	33.1	30.8	36.2	48.8	40.4	34.7	27.8	41.5	47.3	43.5	39.5	47.3	32.6	35.0	-9999.0
144	Barents Sea	26.5	23.7	37.8	34.4	24.9	40.9	52.4	33.0	18.8	23.4	20.8	21.4	38.9	31.6	27.3	42.2	46.3	28.5	30.7	27.3	18.1	14.9	16.5	17.7	13.3	16.3	21.0	22.8	20.4	23.6	-9999.0
146	Kara Sea	30.6	34.7	31.9	29.4	29.9	26.3	23.8	29.1	23.3	21.4	23.3	26.4	29.5	32.8	33.7	33.3	32.3	28.1	26.2	28.6	28.0	22.4	24.8	26.2	29.3	28.7	24.5	23.1	22.0	22.1	-9999.0
148	Laptev Sea	33.9	27.3	22.8	25.5	24.8	28.9	28.6	29.7	28.0	36.1	35.6	28.3	31.3	35.7	25.0	27.6	28.8	32.2	30.2	32.9	30.9	25.6	19.4	15.4	24.3	32.8	25.1	22.8	22.3	18.6	-9999.0
150	East Siberian Sea	13.3	23.1	18.4	25.3	33.3	38.1	36.9	35.7	39.2	22.2	21.7	26.1	36.2	30.0	27.5	30.6	29.5	21.2	30.0	27.5	34.3	39.0	34.5	26.6	25.3	26.4	17.8	10.7	13.3	21.1	-9999.0
152	Gulf of Alaska	43.9	23.8	13.4	14.9	13.6	25.6	22.0	24.3	21.3	23.3	35.8	25.4	24.2	22.7	20.9	26.4	20.0	26.4	17.8	21.1	19.8	26.6	41.5	29.2	23.0	27.0	13.9	10.1	10.0	24.1	-9999.0
154	Southeast Bering Sea	31.8	32.6	26.9	21.5	15.6	36.5	23.3	17.8	19.1	12.5	11.1	15.5	20.0	8.9	11.9	18.3	14.2	16.3	25.7	38.1	29.2	56.8	53.1	40.9	36.5	15.9	23.5	19.9	17.3	30.7	-9999.0