1999 04 - daily  - mean of NCEP mean Daily Clear Sky Downward Solar 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	124.9	122.2	119.3	116.2	113.2	110.0	107.0	104.0	101.4	98.8	95.9	93.1	90.7	87.7	84.7	82.1	80.1	78.0	75.5	73.2	70.9	68.4	66.1	64.2	62.3	60.6	58.9	57.0	55.2	53.5	-9999.0
34	Hudson Bay	165.1	163.6	162.3	158.1	154.8	151.0	148.1	145.2	143.4	141.0	138.6	136.7	134.7	128.8	124.2	122.2	121.7	121.0	117.1	115.8	112.9	109.1	105.8	103.8	102.0	100.4	99.1	97.3	94.3	92.4	-9999.0
36	Hudson Strait	145.3	142.6	139.7	140.0	135.1	132.3	128.5	125.9	121.3	120.8	116.7	115.6	114.8	112.3	107.6	103.9	98.8	98.3	96.9	94.5	93.1	91.7	86.0	83.2	82.3	79.1	77.6	75.6	73.9	70.9	-9999.0
98	Bering Strait	113.5	109.2	106.4	103.8	100.6	98.5	95.0	91.8	88.5	85.3	83.1	80.7	78.0	75.8	72.0	68.1	65.5	62.9	60.0	58.2	56.8	55.0	52.6	50.9	48.7	46.5	43.9	42.4	41.3	39.1	-9999.0
128	Arctic subocean	20.4	17.8	15.6	13.1	11.4	10.0	8.6	7.2	6.1	5.2	4.5	3.9	3.2	2.6	2.1	1.7	1.5	1.1	0.9	0.8	0.6	0.5	0.4	0.3	0.2	0.1	0.1	0.1	0.0	0.0	-9999.0
130	Chukchi Sea	95.1	91.0	88.7	87.1	85.7	81.3	77.2	73.9	70.9	68.4	65.6	64.4	62.2	59.6	55.4	51.7	49.0	48.0	44.2	42.1	41.5	40.0	36.7	35.5	32.8	30.3	29.0	27.9	26.9	24.7	-9999.0
132	Beaufort Sea	126.8	124.5	118.9	116.8	113.3	110.0	109.5	106.9	104.6	101.1	98.3	94.8	91.1	88.9	86.7	83.8	81.2	76.7	75.2	72.4	69.8	67.4	66.5	64.8	63.0	61.5	59.4	55.9	53.7	52.8	-9999.0
134	Arctic Archipelago	76.4	73.7	71.1	68.2	65.6	62.7	59.4	58.3	56.2	53.7	51.0	48.5	44.8	42.0	40.2	38.5	36.8	33.9	32.3	30.8	27.8	25.7	24.3	23.1	21.5	19.9	18.9	17.5	16.2	15.2	-9999.0
136	Foxe Basin	90.5	87.4	86.3	84.7	82.2	78.7	75.1	71.9	70.5	68.9	63.6	60.9	59.5	57.7	54.4	52.4	48.2	47.3	46.2	43.0	40.8	38.7	36.5	33.8	32.0	29.6	28.4	27.3	25.5	23.4	-9999.0
138	Baffin Bay	44.5	41.7	38.7	36.1	33.4	31.2	29.1	26.3	23.9	22.1	20.6	18.5	16.4	14.9	13.7	12.4	11.2	9.7	8.8	7.9	7.1	6.1	5.5	4.8	4.2	3.6	3.1	2.8	2.5	2.1	-9999.0
139	South Greenland	95.7	91.9	88.0	86.2	84.8	82.3	79.4	75.2	71.8	68.3	66.8	62.9	60.1	58.6	56.4	54.4	52.0	48.4	46.2	44.8	42.7	40.2	38.2	36.7	35.3	33.1	30.4	29.1	28.1	26.6	-9999.0
140	Greenland Sea	41.9	39.0	34.2	31.5	29.5	27.3	25.4	23.3	20.6	18.6	17.0	15.7	13.5	11.9	10.7	9.7	8.7	7.6	6.4	5.6	4.9	4.3	3.5	3.0	2.5	2.1	1.8	1.5	1.2	1.0	-9999.0
142	Norwegian Sea	109.5	105.9	104.0	101.4	97.6	93.7	89.8	88.4	86.0	83.3	78.8	75.8	75.2	71.2	68.2	66.6	62.8	60.3	58.5	55.9	53.8	51.5	50.1	48.0	44.9	41.9	41.5	40.0	38.4	36.5	-9999.0
144	Barents Sea	109.5	106.3	103.7	101.5	98.3	95.0	92.0	88.2	85.9	83.8	81.0	77.6	74.0	71.2	68.8	66.2	63.8	61.4	59.2	56.0	54.1	52.2	49.7	48.1	46.6	44.9	41.9	40.5	38.9	37.2	-9999.0
146	Kara Sea	147.5	145.2	142.7	139.9	136.4	132.9	128.8	125.6	124.2	121.0	117.5	114.1	111.8	108.7	106.8	104.5	101.9	99.4	96.1	94.0	91.3	88.6	86.1	83.8	81.6	80.0	78.7	76.3	74.2	72.4	-9999.0
148	Laptev Sea	122.8	119.9	116.4	111.6	109.7	106.1	104.3	100.6	95.9	94.7	90.4	88.1	86.7	83.9	79.2	75.4	74.7	73.2	71.6	67.7	65.6	63.2	61.1	58.4	56.7	54.7	52.6	50.5	48.7	46.7	-9999.0
150	East Siberian Sea	105.0	100.8	98.2	95.1	90.2	88.3	85.2	82.8	78.9	74.5	74.1	71.3	68.8	65.7	63.0	60.0	57.6	55.6	53.2	51.2	48.1	45.3	42.7	41.5	38.5	37.0	36.1	34.8	33.3	31.9	-9999.0
152	Gulf of Alaska	138.4	134.1	131.0	127.6	125.1	123.0	118.8	116.5	112.6	110.6	107.3	104.4	102.6	100.5	95.8	91.3	88.2	86.2	83.9	80.9	79.7	78.3	76.4	73.9	71.9	69.0	66.2	64.1	63.1	61.3	-9999.0
154	Southeast Bering Sea	135.7	132.4	129.4	127.2	125.7	121.0	117.4	112.6	110.8	108.3	105.4	103.1	101.2	98.0	92.3	90.0	86.4	83.9	81.8	80.0	78.6	76.4	73.6	71.3	69.2	66.9	64.4	63.0	61.4	58.6	-9999.0