APPENDIX III CHROMATICS OF THE SKY. By J. S. Dyason (p. 4)
Reading edition
APPENDIX III CHROMATICS OF THE SKY. By J. S. Dyason (p. 4)
The following is a tabulation of his observations:—
Copper at sunset presages wind or rain.
Bright yellow ” wind.
Pale yellow ” wet.
Rosy sky ” fine.
Pale green ” wind or rain.
Indian red ” wind.
Grey in the morning ” fine.
Red ” wind or rain.
Dark blue ” wind.
Bright blue ” fine.
A high dawn ” wind.
A low dawn ” fine.