1974 04 - daily  - mean of NCEP mean Daily Near IR Beam 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	58.5	59.6	65.0	66.7	69.7	63.6	67.0	64.7	61.6	65.9	67.6	71.9	70.6	73.0	74.5	78.1	79.5	75.5	74.3	77.7	77.9	77.3	75.3	75.2	81.9	82.9	82.0	83.2	86.6	88.0	-9999.0
34	Hudson Bay	66.2	57.3	73.3	79.2	85.9	80.8	81.7	81.0	84.8	75.3	80.6	71.7	64.6	81.6	81.9	86.5	100.0	99.1	71.1	76.4	62.6	79.1	86.9	87.1	89.4	98.3	72.7	80.0	94.5	89.3	-9999.0
36	Hudson Strait	61.9	82.9	74.1	99.6	49.8	37.4	85.9	62.9	85.2	93.7	72.4	103.3	82.2	116.1	73.5	109.5	121.2	123.7	109.7	115.2	88.4	84.8	113.6	101.2	70.7	85.5	102.0	140.8	95.2	95.5	-9999.0
98	Bering Strait	86.3	91.5	82.6	79.6	75.2	66.4	59.9	63.6	58.0	64.7	72.5	77.2	60.0	60.4	70.7	59.6	68.9	60.5	74.2	79.4	86.2	85.5	52.3	60.3	89.3	97.9	82.1	68.5	96.2	103.9	-9999.0
128	Arctic subocean	40.9	37.0	48.6	43.8	39.0	36.4	50.8	57.4	58.8	62.6	52.9	62.1	68.4	60.4	72.3	87.7	85.3	76.1	77.4	90.4	93.2	97.1	99.5	109.7	110.0	100.6	116.6	124.4	120.0	120.1	-9999.0
130	Chukchi Sea	81.8	86.0	88.2	73.3	80.2	80.3	58.6	69.2	83.7	76.7	91.5	94.9	91.9	76.9	77.2	88.9	83.1	78.3	95.6	102.6	113.3	105.9	90.8	76.3	88.0	95.1	70.4	102.9	105.5	120.3	-9999.0
132	Beaufort Sea	51.8	57.6	80.3	86.8	89.8	66.0	63.0	70.8	61.3	62.0	52.6	54.4	74.3	64.1	69.6	81.7	84.4	63.7	69.3	71.6	75.3	73.3	65.1	75.8	104.1	98.1	97.4	94.1	101.8	95.3	-9999.0
134	Arctic Archipelago	60.2	60.9	59.3	61.6	65.9	73.6	74.8	74.4	72.4	58.2	65.8	71.8	54.4	64.3	69.5	88.1	87.1	78.4	80.8	74.1	72.6	83.6	70.9	78.8	93.9	104.1	96.6	100.3	80.0	87.1	-9999.0
136	Foxe Basin	30.9	29.5	51.7	67.2	45.8	29.2	24.1	12.1	19.6	40.2	58.0	73.3	65.8	54.0	66.6	69.8	81.4	97.3	74.1	59.1	64.3	76.3	99.5	80.3	52.6	81.8	78.4	76.3	73.4	92.6	-9999.0
138	Baffin Bay	55.2	53.7	60.4	56.5	65.9	67.8	73.8	63.0	41.0	67.5	58.7	55.7	72.6	80.9	72.1	67.4	51.7	59.9	77.4	80.6	79.7	87.2	89.7	91.0	83.2	64.7	94.7	85.3	99.6	92.9	-9999.0
139	South Greenland	67.7	67.6	78.2	67.8	79.7	86.0	74.1	50.1	69.6	82.5	79.6	69.6	61.5	87.9	73.8	71.0	91.0	84.3	69.4	85.4	97.8	93.3	78.2	59.7	83.6	91.7	89.4	74.4	73.6	79.2	-9999.0
140	Greenland Sea	59.4	63.2	52.9	56.4	53.8	44.8	61.7	75.5	71.6	77.0	82.9	59.5	56.3	84.8	83.2	77.5	88.8	95.0	84.8	91.3	93.7	101.6	101.6	87.4	91.2	100.9	110.3	120.9	101.6	108.1	-9999.0
142	Norwegian Sea	53.1	54.4	41.2	30.7	28.6	34.7	40.0	45.3	48.7	49.8	75.5	62.6	39.9	33.6	65.2	80.8	36.7	65.5	23.3	52.1	62.8	52.4	79.7	82.7	39.9	52.5	61.9	83.8	113.4	90.1	-9999.0
144	Barents Sea	37.5	42.6	46.5	50.9	36.6	45.8	48.7	40.6	39.3	53.5	62.4	57.9	75.1	57.0	75.7	60.9	59.4	59.8	61.3	58.1	59.5	65.8	69.0	76.9	80.7	65.2	64.2	92.5	73.0	84.7	-9999.0
146	Kara Sea	55.7	59.0	58.6	60.5	70.0	60.0	65.1	60.9	49.6	61.9	56.1	69.0	66.2	68.1	74.4	79.4	80.2	74.6	77.5	80.4	88.2	75.1	73.6	79.2	86.2	78.1	80.2	76.1	87.4	82.6	-9999.0
148	Laptev Sea	49.8	48.7	57.8	62.6	67.3	56.1	63.7	64.5	65.3	60.5	73.2	83.8	86.8	75.1	73.0	78.5	64.3	64.8	64.9	71.9	63.8	69.5	75.1	57.3	44.4	57.1	69.3	69.8	63.1	72.9	-9999.0
150	East Siberian Sea	65.2	66.1	66.6	53.9	56.4	68.6	76.9	74.4	78.9	85.3	86.9	96.1	97.7	96.0	86.0	77.5	75.1	72.5	92.2	91.9	81.6	76.5	74.5	73.9	89.0	88.5	98.5	94.6	95.6	105.0	-9999.0
152	Gulf of Alaska	85.3	91.6	74.4	65.8	47.4	54.0	64.4	57.8	31.9	35.2	65.5	55.3	27.3	55.2	43.9	45.0	78.2	67.5	75.5	61.6	84.5	87.6	28.9	45.5	104.2	87.0	57.2	89.5	83.5	93.0	-9999.0
154	Southeast Bering Sea	89.3	85.6	87.8	86.3	68.3	70.6	59.7	62.9	39.0	74.0	77.2	83.6	62.5	69.5	66.2	71.8	59.1	64.8	80.7	66.2	101.5	40.7	41.5	74.7	76.7	97.1	102.0	89.4	103.8	112.2	-9999.0