Historical estimate

A daylight moment is sunny in Phoenix

Probability:
85%
Odds:
5.7 to 1
dBan
+7.5 dBan

NOAA reports sunshine reaching the ground during 85% of possible daylight time at Phoenix from January 1965 through December 1983.

Calculation

p ≈ 0.85 of possible daylight sunshine

Assumptions

This historical station statistic measures sunshine duration as a fraction of possible daylight time. It does not mean that 85% of calendar days are entirely sunny and it is not a forecast.

Sources

  1. NOAA Comparative Climatic Data: percent possible sunshine Phoenix station 23183, January 1965–December 1983
  2. NOAA: Comparative Climatic Data product definition