1981 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	124.2	121.1	118.0	114.9	111.7	108.6	105.8	102.9	100.1	97.5	94.7	92.0	89.4	86.8	84.0	81.5	79.1	76.9	74.4	72.5	70.6	68.3	66.0	63.9	62.1	60.2	58.3	56.3	54.7	53.0	-9999.0
34	Hudson Bay	165.3	162.2	158.9	156.9	154.3	151.5	149.3	146.7	143.3	139.7	136.4	133.4	131.1	128.0	124.1	121.4	118.9	117.3	115.2	113.0	111.1	108.3	105.7	103.5	101.1	98.8	96.2	93.9	93.1	92.1	-9999.0
36	Hudson Strait	143.9	142.1	139.1	136.5	132.4	129.5	127.7	123.5	122.0	123.5	120.2	114.8	110.8	109.1	106.1	101.7	98.3	96.4	94.4	91.8	92.3	90.8	86.9	86.1	83.7	79.5	76.9	74.3	72.0	69.7	-9999.0
98	Bering Strait	111.2	108.6	105.9	103.0	99.6	96.7	93.8	90.7	87.6	85.1	82.6	78.8	75.5	72.9	69.7	67.4	65.0	62.4	60.2	58.2	56.7	54.0	52.0	49.9	48.1	46.4	45.2	42.7	40.4	38.5	-9999.0
128	Arctic subocean	18.9	16.5	14.6	12.7	11.2	9.6	8.0	6.7	5.7	4.9	4.5	3.7	3.0	2.5	2.0	1.6	1.4	1.2	1.0	0.8	0.6	0.5	0.4	0.3	0.3	0.2	0.2	0.2	0.1	0.1	-9999.0
130	Chukchi Sea	94.7	91.3	87.8	84.3	81.1	78.2	75.6	72.8	70.0	67.1	64.2	60.8	58.6	55.1	52.3	51.0	48.2	45.3	43.7	42.0	40.9	38.8	36.6	34.3	32.3	31.9	30.2	27.2	25.1	23.3	-9999.0
132	Beaufort Sea	124.6	121.2	118.5	116.0	113.6	111.0	108.3	104.1	100.4	98.0	95.6	92.9	90.4	87.7	85.1	82.5	80.0	77.3	74.5	71.8	69.4	67.4	64.9	62.9	61.1	59.1	57.6	56.5	54.7	52.3	-9999.0
134	Arctic Archipelago	74.7	72.5	70.7	69.4	66.6	63.9	60.8	57.9	54.4	50.7	48.5	46.4	42.8	40.1	38.0	36.5	35.3	33.2	31.1	28.7	27.4	25.8	24.4	22.5	21.1	20.2	18.3	16.8	15.5	14.4	-9999.0
136	Foxe Basin	89.6	86.6	84.7	82.3	79.9	78.8	75.6	72.8	70.9	68.1	62.8	59.1	56.3	54.7	51.4	48.8	48.0	46.2	44.9	44.6	39.8	40.6	37.8	35.0	32.7	30.9	30.2	27.3	25.4	23.3	-9999.0
138	Baffin Bay	42.7	41.2	39.1	36.7	33.7	29.6	27.0	24.7	23.0	22.0	20.0	17.2	16.3	14.6	13.0	11.4	10.2	9.5	8.9	8.5	7.3	6.5	5.6	5.0	4.3	3.8	3.4	3.0	2.6	2.2	-9999.0
139	South Greenland	95.7	93.1	89.4	85.7	82.3	78.4	75.3	72.4	69.3	66.7	65.8	63.9	59.7	57.9	56.2	52.1	49.4	47.7	46.1	44.8	43.2	40.7	38.0	36.4	35.1	33.6	31.6	30.6	28.8	27.1	-9999.0
140	Greenland Sea	42.0	38.4	35.7	33.4	29.6	26.3	23.9	21.5	19.6	17.7	15.9	14.7	13.2	12.6	11.5	9.8	8.3	7.0	6.1	5.5	4.8	4.1	3.5	2.9	2.4	2.1	1.8	1.6	1.3	1.1	-9999.0
142	Norwegian Sea	108.3	104.9	101.5	97.7	95.1	93.5	89.6	86.4	84.2	82.1	78.9	75.1	71.3	69.2	67.4	65.0	61.8	59.7	58.7	56.4	53.9	51.6	50.1	46.8	44.1	42.4	40.9	39.3	37.4	35.7	-9999.0
144	Barents Sea	109.7	106.6	102.9	100.3	97.1	93.0	89.7	87.1	84.4	82.2	79.6	75.8	73.0	70.7	67.6	65.1	63.0	60.2	58.0	55.8	54.0	51.4	49.0	47.5	46.1	44.2	41.1	39.6	38.1	36.6	-9999.0
146	Kara Sea	148.2	145.1	141.7	137.8	134.0	130.9	128.4	125.7	123.0	120.4	117.3	114.2	111.7	108.8	105.8	103.5	100.9	98.5	95.6	93.9	91.7	89.1	86.2	83.4	82.4	80.6	78.8	76.1	74.0	71.7	-9999.0
148	Laptev Sea	120.6	117.0	113.6	110.2	106.8	103.7	100.6	97.6	94.5	91.9	89.0	87.6	85.9	82.7	80.2	77.9	75.7	72.5	69.4	66.6	64.8	62.8	61.4	59.0	55.4	53.3	51.3	49.5	48.3	46.5	-9999.0
150	East Siberian Sea	103.6	99.0	95.1	91.7	90.3	86.8	82.5	79.7	77.9	75.5	72.2	68.8	66.5	65.0	62.7	58.9	56.3	54.2	52.5	50.9	48.3	45.9	42.8	41.4	40.4	36.3	33.8	32.2	30.7	29.7	-9999.0
152	Gulf of Alaska	135.1	134.2	131.7	128.1	124.3	120.5	117.3	114.6	111.8	108.9	107.6	105.4	100.6	97.8	93.8	90.4	87.9	86.2	82.8	80.3	79.1	75.9	74.4	72.8	70.2	68.5	68.2	65.9	62.5	60.1	-9999.0
154	Southeast Bering Sea	137.5	134.3	131.2	127.9	123.8	119.9	116.6	114.4	111.3	108.3	105.9	102.7	98.0	94.5	90.6	87.5	85.8	84.6	81.0	79.8	78.7	75.7	73.9	70.8	69.3	67.7	66.4	63.6	61.1	57.6	-9999.0