Isohyetal

Isohyetal
Map depicting contours of equal precipitation amounts recorded during a specific time period.
Long-range Forecasts ...

Isohyetal: Lines (lines of equal snowfall
Isoplething: Analysing for lines or areas of equal value.
Isohyets: Lines of equal precipitation
Isoline: A line of equal value.
Iospleths: (lines of equal value).