1999 04 - daily  - mean of NCEP mean Daily Downward Solar Radiation 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	80.8	82.7	80.7	75.6	72.0	75.7	72.4	70.1	72.5	70.8	65.8	65.3	64.5	58.4	55.1	54.3	54.9	54.1	50.2	52.3	48.7	46.5	44.2	41.3	41.4	41.1	41.2	39.9	36.4	38.3	-9999.0
34	Hudson Bay	93.4	108.6	105.5	83.4	74.0	93.4	98.0	85.3	90.8	89.7	91.3	97.2	97.1	69.0	62.4	66.6	72.3	85.3	77.3	76.5	78.7	66.5	51.0	54.6	59.6	63.8	66.8	71.6	62.6	65.2	-9999.0
36	Hudson Strait	87.8	69.1	81.2	99.1	59.8	64.1	91.0	92.8	79.1	88.8	78.3	74.6	87.9	87.3	71.8	68.3	52.7	71.8	70.1	61.6	71.2	65.8	42.8	46.3	55.1	48.1	62.6	60.2	50.3	41.7	-9999.0
98	Bering Strait	73.2	63.7	75.6	62.8	65.7	72.1	61.9	67.2	56.0	58.9	57.0	58.1	48.8	51.7	48.3	48.1	50.4	40.0	39.3	35.2	34.1	34.7	38.2	36.4	33.3	36.8	28.3	25.9	30.4	28.4	-9999.0
128	Arctic subocean	20.0	17.4	15.6	12.8	10.8	9.8	8.3	6.6	5.8	4.9	4.0	3.7	3.0	2.4	1.9	1.6	1.2	1.2	0.7	0.7	0.6	0.2	0.3	0.2	0.3	0.2	0.2	0.2	0.1	0.2	-9999.0
130	Chukchi Sea	72.6	73.5	71.6	68.5	71.5	66.0	61.5	59.5	55.8	58.5	49.0	53.0	51.0	51.2	48.6	42.3	40.9	42.5	34.0	31.8	37.2	34.6	31.1	30.6	28.3	23.3	17.9	19.0	21.5	19.9	-9999.0
132	Beaufort Sea	77.7	88.3	62.6	62.0	65.7	65.1	78.8	76.9	83.0	76.9	78.9	74.6	61.1	63.6	55.1	56.8	62.9	53.6	49.4	49.4	36.0	42.6	45.6	43.9	45.1	44.1	46.0	36.6	27.8	35.3	-9999.0
134	Arctic Archipelago	53.7	45.1	56.1	48.6	45.1	41.1	41.0	48.3	48.7	47.2	41.8	41.4	33.3	31.1	30.7	31.1	29.7	23.6	21.8	25.5	20.8	16.8	16.1	18.6	16.3	12.5	14.9	13.1	13.1	11.5	-9999.0
136	Foxe Basin	47.3	39.9	42.5	53.2	45.4	51.1	54.5	36.5	48.6	48.4	39.1	26.3	39.5	45.0	33.5	42.7	27.7	30.7	36.4	26.8	24.1	28.3	27.1	22.0	21.7	16.0	14.4	18.0	17.6	14.5	-9999.0
138	Baffin Bay	37.2	38.3	35.5	33.1	29.9	28.4	27.0	23.4	19.0	19.4	20.0	16.6	15.1	13.2	11.2	10.0	10.2	9.2	8.1	6.6	5.8	5.6	4.8	3.9	3.7	3.1	2.6	2.5	2.2	1.8	-9999.0
139	South Greenland	63.4	70.4	65.0	53.8	57.7	65.3	64.0	57.5	54.5	48.8	54.1	45.2	37.0	41.4	40.4	41.0	40.2	38.0	30.8	32.6	33.0	28.2	25.9	24.1	28.8	26.6	20.8	19.7	20.3	22.3	-9999.0
140	Greenland Sea	39.1	35.2	32.6	29.5	26.6	24.1	22.4	22.5	19.7	15.2	14.7	14.1	13.0	11.3	10.3	8.9	7.9	7.1	5.8	4.8	4.2	4.1	3.4	2.9	2.4	2.1	1.8	1.5	1.2	1.0	-9999.0
142	Norwegian Sea	77.8	60.6	61.9	75.1	66.5	55.6	43.8	73.0	63.0	65.0	53.1	35.5	68.4	53.9	45.8	51.1	40.4	35.8	41.4	39.1	39.0	38.5	41.8	33.0	37.2	26.8	32.1	31.9	33.5	23.9	-9999.0
144	Barents Sea	69.3	70.1	76.1	76.7	67.4	72.0	75.9	63.3	64.9	63.5	62.7	59.1	54.4	47.3	44.8	48.8	44.3	46.0	39.5	38.8	35.0	33.7	35.0	30.9	38.3	36.9	28.6	26.7	24.8	26.5	-9999.0
146	Kara Sea	91.0	94.6	93.1	93.7	87.4	91.6	72.8	75.2	91.1	83.1	74.2	76.6	76.6	70.5	74.8	70.8	68.2	66.7	56.2	72.0	61.7	61.8	61.4	52.4	51.2	50.4	54.9	53.5	45.7	51.7	-9999.0
148	Laptev Sea	95.2	91.6	87.8	79.5	88.5	79.0	82.2	79.2	66.2	77.6	60.6	56.2	67.7	63.4	51.8	45.9	53.5	50.4	57.6	48.0	51.3	46.6	47.9	42.7	40.2	40.9	34.7	33.8	36.2	32.8	-9999.0
150	East Siberian Sea	82.8	75.1	78.7	82.4	60.3	70.0	64.4	66.1	63.9	53.5	58.7	56.0	52.9	52.2	51.1	49.4	44.1	45.8	44.8	42.3	39.0	37.6	33.9	36.4	27.7	26.1	29.2	29.4	30.3	29.6	-9999.0
152	Gulf of Alaska	82.6	68.6	80.0	68.4	70.6	86.9	77.6	82.1	66.2	80.0	60.7	75.7	70.2	62.1	60.2	63.4	67.2	44.0	52.9	46.9	47.1	57.6	59.1	52.5	55.4	54.9	49.3	38.8	39.7	46.5	-9999.0
154	Southeast Bering Sea	56.3	76.3	69.3	77.0	86.7	93.3	89.5	53.8	69.7	64.1	73.2	63.4	60.9	59.9	46.5	69.2	58.7	44.6	54.0	46.4	41.9	40.1	39.4	51.8	55.9	51.3	40.0	26.4	35.8	42.6	-9999.0