Table 2.
Annual and seasonal variables generated for this study.

Variable

Annual

Winter

Spring

Summer

Fall







Mean maximum temperature


X

X

X

X

Mean minimum temperature


X

X

X

X

Diurnal temperature range


X

X

X

X

Maximum temperature ≤ 32°

X





Maximum temperature ≤ 20°

X





Maximum temperature ≥ 80° & < 90°

X





Maximum temperature ≥ 90°

X





Minimum temperature ≤ 32°

X





Minimum temperature ≤ 0°

X





Minimum temperature ≥ 70°

X





Cooling degree days

X


X

X

X

Heating degree days

X

X

X


X

Precipitation


X

X

X

X

Days precipitation ≥ 0.10"

X





Days precipitation ≥ 1.00"

X





Days precipitation ≥ 2.00"

X