A Average of period 0–4 days.
b
Average of period 6–7 days.
c
Average of stage 1 (periods 1–3 days of cycle #1 and 1–7 days of cycle #2).
d
Average of stage 2 (periods 3–8 days of cycle #1 and 8–15 of cycle #2).
e
Stage 1: energy-limited stage (high soil water content in topsoil; evaporation limited only by energy availability at the soil surface). Stage 2: falling-rate stage (limited soil water content in topsoil; evaporation reduced in proportion to the amount of water remaining in topsoil).