| Mean photons per second per cm2 | SD photons per second per cm2 | |||
Covariate | Statistic | Between- subjects | Within- subjects | Between- subjects | Within- subjects |
Temperature of hour | F- statistic | 46.3** | 0.84 | 80.7** | 2.83 |
pη2 | 0.81 | 0.018 | 0.88 | 0.057 | |
Temperature, daily average | F- statistic | 0.20 | 0.00 | 0.12 | 1.33 |
pη2 | 0.018 | 0.0001 | 0.011 | 0.028 | |
Humidity of hour | F- statistic | 47.6** | 1.87 | 83.7** | 4.60* |
pη2 | 0.81 | 0.038 | 0.88 | 0.089 | |
Humidity, daily average | F- statistic | 4.48 | 1.00 | 5.64* | 0.02 |
pη2 | 0.29 | 0.021 | 0.34 | 0.0005 | |
Ap index of hour | F- statistic | 4.31 | 11.6* | 4.11 | 10.8* |
pη2 | 0.28 | 0.20 | 0.27 | 0.19 | |
Ap index, daily average | F- statistic | 79.7** | 4.93* | 168.4** | 3.81 |
pη2 | 0.88 | 0.095 | 0.94 | 0.075 | |
Hour of measurement | F- statistic | 30.1** | 3.23 | 35.2** | 3.82 |
pη2 | 0.73 | 0.064 | 0.76 | 0.075 | |
Day of year | F- statistic | 0.66 | Cannot compute | 0.53 | Cannot compute |
pη2 | 0.057 | 0.046 |