1958 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	125.1	122.2	119.1	115.9	113.0	110.0	107.4	104.5	101.6	98.9	96.1	93.2	90.5	87.9	85.4	82.7	80.1	77.7	75.6	73.5	71.5	69.3	67.0	64.9	62.9	60.8	58.7	57.0	55.5	53.7	-9999.0
34	Hudson Bay	168.2	165.4	162.6	160.1	156.7	154.3	151.6	147.5	143.9	140.9	137.1	133.7	132.2	129.8	127.3	124.3	121.5	119.3	117.0	113.6	111.3	110.1	107.6	104.9	102.7	101.4	99.5	97.0	94.8	92.9	-9999.0
36	Hudson Strait	147.8	144.4	141.9	138.6	134.9	133.6	131.8	127.0	124.4	122.0	119.6	115.6	114.2	113.1	108.0	106.4	101.8	101.2	98.4	95.2	91.7	89.7	86.9	84.5	81.9	79.2	77.5	76.2	74.3	72.8	-9999.0
98	Bering Strait	111.1	107.7	104.6	102.2	99.4	96.4	93.7	90.7	87.9	85.4	82.8	79.4	76.5	73.9	71.1	68.4	66.3	64.4	62.6	60.5	58.3	54.9	52.3	50.4	48.7	46.8	45.0	42.2	39.7	38.6	-9999.0
128	Arctic subocean	20.0	17.7	15.4	13.2	11.6	9.9	8.4	7.3	6.2	5.3	4.7	4.1	3.2	2.8	2.4	1.9	1.5	1.2	1.0	0.8	0.7	0.6	0.5	0.4	0.3	0.2	0.2	0.2	0.1	0.1	-9999.0
130	Chukchi Sea	93.4	90.2	88.2	85.7	83.0	80.6	78.1	74.6	70.9	68.0	64.6	61.8	60.7	59.7	55.6	52.9	50.7	48.6	46.9	44.4	41.5	38.7	36.1	34.9	33.8	31.8	29.8	27.8	25.6	24.3	-9999.0
132	Beaufort Sea	125.7	123.3	119.7	115.9	113.2	109.6	106.8	104.3	102.0	98.5	97.1	94.4	90.6	88.1	84.6	81.6	79.1	76.5	74.2	73.3	71.7	69.5	67.5	64.9	61.9	59.6	57.7	56.3	53.8	51.2	-9999.0
134	Arctic Archipelago	77.1	76.0	73.4	69.2	66.1	63.3	60.9	57.8	54.9	52.7	50.8	49.0	45.3	41.5	40.5	37.5	35.8	33.1	30.9	29.0	27.6	26.1	24.9	23.3	22.0	20.5	18.8	17.7	16.5	15.2	-9999.0
136	Foxe Basin	93.4	89.9	87.1	84.4	81.9	79.7	77.5	74.4	71.4	67.9	64.2	61.1	60.3	58.6	55.2	53.4	50.7	49.9	46.7	42.4	40.6	38.0	36.0	34.2	32.7	31.1	29.3	27.7	26.8	24.7	-9999.0
138	Baffin Bay	45.7	41.9	38.2	35.0	32.9	30.7	28.6	26.5	24.5	22.5	20.6	18.4	16.5	15.3	13.9	12.6	11.5	10.5	9.4	8.3	7.4	6.4	5.6	5.0	4.4	3.9	3.4	3.1	2.9	2.5	-9999.0
139	South Greenland	97.7	92.4	88.3	85.4	83.0	80.0	78.1	75.7	73.1	70.7	68.0	65.3	62.3	60.0	57.6	55.9	53.4	49.9	47.9	46.5	44.7	42.9	40.0	37.3	35.2	33.5	32.1	30.2	29.7	28.1	-9999.0
140	Greenland Sea	41.5	38.3	34.7	31.7	29.6	27.0	24.8	23.2	21.1	19.3	17.4	15.6	13.9	12.5	11.3	9.9	8.8	7.6	6.8	6.0	5.4	4.6	3.9	3.4	2.8	2.4	2.0	1.7	1.5	1.3	-9999.0
142	Norwegian Sea	108.7	105.9	103.6	101.3	97.4	93.9	93.2	88.2	84.7	80.5	79.3	76.4	73.8	71.7	68.5	65.6	63.0	60.9	58.3	56.3	53.4	51.8	49.7	48.3	46.4	44.2	41.7	38.5	37.2	36.0	-9999.0
144	Barents Sea	108.9	106.4	104.2	101.1	98.2	95.6	92.4	89.6	86.2	82.8	80.1	76.5	73.0	70.1	66.9	65.6	63.8	61.5	59.5	57.5	55.3	52.8	50.2	48.3	46.1	44.2	42.5	41.2	39.9	37.9	-9999.0
146	Kara Sea	148.4	145.5	142.2	138.9	136.2	132.6	130.0	128.0	125.3	123.0	119.6	116.6	113.7	110.7	108.2	104.8	101.2	98.9	96.7	94.5	92.7	90.3	87.9	85.7	83.7	80.4	77.3	76.0	75.4	73.0	-9999.0
148	Laptev Sea	121.9	119.5	116.0	112.2	108.5	105.8	102.9	99.1	96.1	93.6	91.1	88.1	85.1	82.7	80.6	78.2	75.6	72.5	70.1	68.0	65.8	63.2	60.2	58.0	56.2	54.5	52.6	50.8	48.2	46.4	-9999.0
150	East Siberian Sea	102.5	98.6	95.7	93.4	91.2	87.3	83.8	80.8	77.2	74.4	72.2	69.7	66.7	63.6	60.7	58.5	56.7	55.1	53.4	51.2	48.5	46.4	44.7	42.9	40.4	37.7	35.9	34.3	32.7	30.7	-9999.0
152	Gulf of Alaska	134.2	130.7	127.7	126.8	123.2	120.7	118.7	117.0	113.8	110.7	107.1	103.0	99.5	96.4	96.0	92.1	90.4	88.6	86.8	84.6	80.9	77.3	74.3	71.9	70.4	68.9	67.2	62.7	61.0	59.5	-9999.0
154	Southeast Bering Sea	133.2	130.7	128.8	126.3	121.8	121.2	119.0	116.6	113.0	108.8	105.2	103.1	99.4	96.2	94.2	92.0	89.7	87.7	85.7	82.7	79.0	75.7	73.5	72.2	70.2	69.1	66.3	62.3	60.5	58.9	-9999.0