Estimate

Standard error

p-value

Intercept

426.6

192.4

0.0296

Wind direction

0.01474

−0.01214

0.2285

Wind speed

3.283

1.297

0.0134

Ambient temperature

297.2

789.2

0.7075

Source temperature

−298.6

789.3

0.7062

Temperature difference

296.5

789.1

0.7081

Ambient RH

0.1239

0.08902

0.1709

Cloud cover

0.2050

0.3617

0.5726

Solar radiation

−0.003875

0.01159

0.7391

Total volume flow

0.003245

0.02608

0.2173