Parameters Measured

Present Weather

Present Weather is measured in no units.

Present weather is a qualitative assessment of the amount and type of precipitation observed. This assessment is automated and uses the output of several different sensors. Present weather values can include:

• NP = no precipitation
• ?0 = unknown precipitation
• ?1 = unknown precipitation
• ?2 = unknown precipitation
• ?3 = unknown precipitation
• P = light precipitation
• R- = light rain
• R = rain
• R+ = heavy rain
• S- = light snow
• S = snow
• S+ = heavy snow
• Mix = Mixed
• Unk = Unable to determine