Const
A light condition's reduction to Pall Strength (Pall rules — Pall Strength): natural daylight lowers PAL by 2, twilight by 1; firelight/indoors at night has no effect.
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Natural daylight — reduces PAL by 2.
Indoors or firelight at night — no reduction.
Twilight — reduces PAL by 1.
A light condition's reduction to Pall Strength (Pall rules — Pall Strength): natural daylight lowers PAL by 2, twilight by 1; firelight/indoors at night has no effect.