1974 12 - 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	411.0	412.8	415.1	417.2	419.9	421.0	421.5	422.5	423.7	425.2	426.7	428.2	429.1	429.4	430.2	431.0	432.2	433.0	433.3	433.8	434.5	434.9	435.0	435.2	434.8	434.1	433.7	433.1	432.7	431.6	429.8
34	Hudson Bay	408.5	409.1	413.4	415.6	418.8	419.5	415.6	416.9	417.5	421.2	423.8	427.0	426.6	426.8	426.6	424.5	425.9	429.1	428.6	424.3	423.8	426.4	430.1	428.8	426.1	424.8	426.3	426.3	423.7	421.6	421.0
36	Hudson Strait	405.1	407.5	407.4	411.1	413.3	415.7	418.8	418.4	414.1	414.8	420.3	416.2	420.8	416.0	421.7	423.4	417.6	416.4	429.0	425.6	426.4	428.1	426.3	429.8	429.6	429.0	423.2	422.6	423.0	422.8	417.4
98	Bering Strait	405.3	407.4	410.6	413.1	413.8	411.5	411.5	414.5	417.1	416.9	419.4	420.7	417.9	418.1	422.6	424.1	422.3	423.6	424.9	427.0	426.7	424.5	425.9	427.4	427.3	427.8	429.0	429.3	428.0	426.9	423.1
128	Arctic subocean	440.0	443.4	446.6	447.2	452.5	456.6	458.4	459.5	458.7	461.3	461.7	466.0	469.9	468.7	469.5	469.1	469.9	473.8	476.7	473.0	472.3	471.5	471.0	473.9	475.7	474.8	474.5	476.8	476.5	472.9	471.6
130	Chukchi Sea	402.9	408.0	411.1	413.9	417.4	416.2	411.3	411.7	416.7	416.0	425.4	422.3	420.0	424.2	427.1	427.1	433.4	432.2	429.5	429.6	425.3	426.3	427.2	429.9	431.5	431.9	431.7	431.0	430.5	429.6	428.5
132	Beaufort Sea	405.3	407.9	411.2	414.1	415.9	415.2	414.9	416.3	418.9	421.4	421.0	423.0	424.9	425.6	427.4	428.8	429.2	424.6	422.0	424.3	430.1	432.1	428.0	427.1	427.4	428.1	426.4	424.7	424.2	425.5	425.6
134	Arctic Archipelago	408.6	411.4	413.3	414.3	417.0	420.3	424.5	428.5	429.7	433.6	434.2	433.7	434.6	434.6	434.2	436.2	437.6	438.6	438.0	438.7	439.0	440.0	441.0	440.5	440.7	440.4	440.6	441.5	441.4	438.3	434.3
136	Foxe Basin	399.3	402.4	405.3	407.2	409.6	412.6	415.5	418.6	418.2	421.0	423.3	420.5	421.7	421.5	429.9	426.2	428.4	427.9	429.3	430.2	430.1	429.5	430.8	431.3	432.5	431.9	429.7	429.1	430.3	426.3	420.3
138	Baffin Bay	421.5	424.0	425.3	427.8	432.1	435.3	438.3	440.8	442.7	446.6	448.9	449.4	446.5	445.4	448.9	448.0	446.8	448.2	451.4	452.1	455.2	456.5	457.1	457.3	457.4	456.2	454.3	454.6	453.8	452.9	452.6
139	South Greenland	405.4	407.3	408.4	411.4	414.4	416.2	417.0	420.0	423.7	424.1	425.9	428.2	429.9	428.5	427.0	430.9	432.0	430.8	428.5	430.1	430.1	431.2	432.0	431.5	432.8	431.6	431.1	433.0	433.8	431.7	429.2
140	Greenland Sea	428.3	433.0	434.3	437.9	443.1	444.5	445.5	446.5	448.3	451.5	450.1	453.4	456.1	457.2	459.8	461.5	460.9	459.4	458.4	460.6	462.1	462.5	461.3	459.8	460.8	461.9	461.7	462.3	459.8	456.4	456.3
142	Norwegian Sea	407.1	408.3	409.8	414.1	418.1	421.1	423.1	424.0	428.3	430.3	429.5	428.9	427.4	429.9	431.9	435.1	437.4	436.7	436.0	436.2	437.8	437.0	432.0	433.0	432.4	433.1	432.1	430.0	425.7	428.9	426.8
144	Barents Sea	408.2	410.8	415.3	419.1	420.1	419.8	421.4	422.0	425.8	426.9	427.9	428.9	430.3	432.8	435.4	435.2	438.0	439.6	439.7	440.3	441.3	440.5	439.6	441.0	438.3	436.2	435.9	436.8	435.4	431.9	429.4
146	Kara Sea	415.1	415.8	417.1	418.2	420.2	421.4	423.0	423.6	422.5	422.7	423.8	427.2	429.2	430.3	430.8	431.4	433.3	433.7	435.0	435.9	435.6	434.0	434.5	436.3	436.6	436.4	436.3	434.6	433.7	432.6	429.4
148	Laptev Sea	412.0	412.6	414.0	416.7	421.4	424.1	424.6	423.2	426.2	428.2	428.9	426.8	428.0	428.9	430.9	432.7	434.0	436.0	436.5	438.2	439.4	440.3	437.8	437.5	436.4	433.7	432.7	430.8	433.4	434.9	435.5
150	East Siberian Sea	409.1	414.8	419.1	420.2	420.8	420.8	423.0	426.0	427.4	428.6	430.3	431.7	433.0	428.4	421.0	422.5	426.4	429.4	429.9	429.9	431.0	433.2	436.3	432.7	432.4	432.0	430.3	432.2	432.8	430.5	426.8
152	Gulf of Alaska	409.2	411.2	413.0	412.7	413.8	419.0	419.6	418.5	416.7	414.1	417.8	423.1	418.6	414.8	416.6	418.5	418.8	420.2	419.6	426.8	427.6	423.8	424.0	424.7	426.2	427.4	428.7	427.7	426.6	423.8	424.9
154	Southeast Bering Sea	407.9	411.3	408.8	408.5	418.4	417.8	413.3	410.0	413.4	405.9	418.9	418.3	411.5	414.3	412.6	416.3	420.4	419.4	417.2	419.0	419.5	422.5	423.2	425.5	427.6	429.7	428.9	426.9	423.7	423.0	425.7