Table 4 Difference in ambient illuminance values with and without moonlight and snow.

From: Effects of snow cover on urban light climate environment in the high latitudes of northeast China

Time

With moonlight

Without moonlight

22:00

0.300

0.010

23:00

0.262

0.002

0:00

0.192

0.002

1:00

0.123

0.005

2:00

0.207

0.005

3:00

0.139

0.004

4:00

0.195

0.007

Average

0.203

0.005