| Condition
| Mel.
| Mis.
| Infr.
|
|
|
|
| Bonus
|
| Clear sky
|
|
|
|
| (daytime)
| û0
| û0
| +0
|
| Fog, dense
|
|
|
|
| or blizzard
| û3
| û4
| +0
|
| Fog, light
|
|
|
|
| or snow
| û1
| û2
| +0
|
| Fog,
|
|
|
|
| moderate
| û2
| û3
| +0
|
| Mist or
|
|
|
|
| light rain
| û0
| û1
| +0
|
| Night,
|
|
|
|
| full moon
| û2
| û4
| +2
|
| Night,
|
|
|
|
| no moon
| û3
| û6
| +3
|
| Total
|
|
|
|
| darkness
| û4
| û6
| +3
|
| Twilight
| û1
| û2
| +1
|