Office Photometrics (Daytime)
During the day the illuminance level at the desk was:
- average of 75 footcandles (807 lux)
- minimum of 41 footcandles (445 lux)
- maximum of 114 footcandles (1230 lux)
The correlated color temperature of the light was:
- average of 3,917 °K
- minimum 2,870 °K
- maximum 4,400 °K
Variability mostly occurred because of natural variations in the daylight contribution to office lighting levels.