Category Archives: Standard Rainfall Gauge

Standard Rainfall Gauge – Maintenance


  1. Remove funnel from top of can and clean all dirt and debris
  2. Locate measuring mark on side of can; if no mark present, use the seam of the can
  3. Measure distance to oil surface from rim of can
  4. Record distance in yellow field book and subtract from previous visit to determine depth of rainfall
  5. If oil cap has turned white/milky:
    • Pump material into “ook” container
    • Add 1” of oil to can
    • Measure new distance to water surface and record value in yellow field book
  6. Replace funnel on top of cap