Fig. 1. Flow chart of temperature correction

Fig. 2. Simulation results. (a) Range-squared correction signal; (b) rotational Raman ratio; (c) overlap factor ratio; (d) temperature

Fig. 3. Simulation results of hazy days. (a) Backscatter ratio; (b) range-squared corrected signal

Fig. 4. Corrected results. (a) Fitting relationship; (b) temperature; (c) deviation

Fig. 5. Measured results under clear sky conditions. (a) Backscatter ratio; (b) temperature

Fig. 6. Overlap factor correction and results. (a) Rotational Raman ratio; (b) overlap factor ratio; (c) temperature and deviation

Fig. 7. Measured data. (a) Range-squared correction signal; (b) backscatter ratio; (c) rotational Raman ratio

Fig. 8. Corrected results. (a) Fitted relationship; (b) temperature; (c) deviation

Fig. 9. Verification results. (a) Corrected temperature; (b) deviation

Fig. 10. Continuous experimental observation results from 24 to 26 in December, 2023. (a) Backscatter ratio; (b) temperature