Aug. 1922]
Colorimetry Report 1920-21
563
Table 8
Relative Intensity Values over the Visible Spectrum for Average Noon Sunlight (Computed from Abbot’s data)
| Wave-Length mμ |
Relative Intensities | ||
| June 21 | December 21 | Mean | |
| 400 | 63.0 | 48.0 | 56.0 |
| 10 | 71.0 | 54.0 | 63.0 |
| 20 | 79.0 | 60.0 | 70.0 |
| 30 | 82.0 | 64.0 | 73.0 |
| 40 | 90.0 | 72.5 | 81.0 |
| 50 | 98.5 | 82.5 | 90.5 |
| 60 | 104.5 | 89.0 | 97.0 |
| 70 | 107.5 | 95.0 | 101.0 |
| 80 | 109.0 | 98.5 | 104.0 |
| 90 | 110.0 | 101.0 | 105.5 |
| 500 | 110.5 | 102.0 | 106.0 |
| 10 | 110.0 | 103.0 | 106.5 |
| 20 | 109.0 | 103.5 | 106.0 |
| 30 | 108.5 | 104.0 | 106.0 |
| 40 | 108.0 | 104.5 | 106.0 |
| 50 | 107.0 | 105.0 | 106.0 |
| 60 | 106.0 | 104.5 | 105.0 |
| 70 | 104.5 | 103.0 | 104.0 |
| 80 | 102.5 | 102.0 | 102.0 |
| 90 | 100.0 | 100.0 | 100.0 |
| 600 | 98.5 | 100.0 | 99.0 |
| 10 | 97.0 | 99.5 | 98.0 |
| 20 | 95.5 | 99.0 | 97.0 |
| 30 | 94.0 | 98.5 | 96.0 |
| 40 | 92.5 | 98.0 | 95.0 |
| 50 | 90.3 | 97.5 | 94.0 |
| 60 | 88.0 | 96.5 | 92.0 |
| 70 | 86.0 | 95.0 | 90.5 |
| 80 | 84.0 | 93.0 | 88.5 |
| 90 | 81.5 | 92.0 | 87.0 |
| 700 | 79.0 | 90.0 | 84.5 |
| 10 | 76.5 | 87.0 | 82.0 |
| 20 | 74.5 | 86.0 | 79.0 |
