Table A1.

Individual calibration coefficients (offset and slope), root mean square error (RMSE), mean bias error (MBE), and mean absolute error (MAE) for calibrated and raw values of all tested air temperature sensors.

Sensor	Calibration Coefficients		RMSE (Calibrated) (K)	RMSE (Raw) (K)	MBE (Calibrated) (K)	MBE (Raw) (K)	MAE (Calibrated) (K)	MAE (Raw) (K)
	Offset	Slope
AM2320	−0.131	1.021	0.063	0.458	−0.003	−0.266	0.051	0.391
DHT22 (#1)	−0.086	1.025	0.068	0.593	0.004	−0.388	0.052	0.501
DHT22 (#2)	−0.177	1.025	0.072	0.542	−0.001	−0.303	0.056	0.465
HTU21D (#1)	0.427	1.001	0.063	0.459	−0.001	−0.454	0.045	0.454
HTU21D (#2)	0.670	1.002	0.061	0.662	−0.001	−0.659	0.044	0.659
MCP9808 (#1)	0.055	1.003	0.058	0.144	0.000	−0.119	0.045	0.128
MCP9808 (#2)	0.224	1.002	0.064	0.263	−0.001	−0.254	0.049	0.254
BME680 (#1)	0.360	0.988	0.056	0.265	0.001	−0.117	0.041	0.208
BME680 (#2)	0.925	0.981	0.070	0.669	0.001	−0.562	0.051	0.562
BME280 (#1)	1.325	0.990	0.068	1.162	0.000	−1.146	0.060	1.146
BME280 (#2)	1.142	0.989	0.071	0.960	−0.001	−0.936	0.063	0.936