Once the lineup cards are submitted (approx. 5 minutes before game time), the umpires take control of the field and the crew chief becomes the person who decides whether to delay or postpone a game (and if/when to restart).
A firewood moisture meter can be used to determine the moisture content of your firewood, but are they a necessity or just a novelty? Seasoned firewood is considered to have a moisture content of 20% or less.
Calculated values. 1  Relative humidity - average relative humidity of the air surrounding the sample of wood over the last week or so. This assumes that the wood has reached equilibrium with its surroundings and is not in the process of drying (such as firewood) or wetting.