Data quality flag

Description

0

Good value

1

Questionable value  as estimated at  National Meteorological Service

2

Value is not available or is rejected at National Meteorological Service

3

Value calculated or interpolated at  National Meteorological Service

4

Polar night

5, 7

Questionable value as estimated at WRDC

6

Value considered outlier to own climate-defined upper limit as estimated at WRDC

8

Diffuse radiation value exceeds associated global radiation value

9

Value is rejected at WRDC