Table 2.

Number of cold waves, days of cold waves, and CO events during cold waves 2013–2020, Jinan.

Definition	Temperature (°C)	Duration (days)	Cold wave times	Cold wave days	Event
P01(2)	≤1th	≥2	8	22	49
P01(3)	≤1th	≥3	4	13	31
P01(4)*	≤1th	≥4	2	8	18
P01(5)*	≤1th	≥5	1	0	0
P05(2)	≤5th	≥2	36	117	168
P05(3)	≤5th	≥3	21	87	139
P05(4)	≤5th	≥4	12	60	114
P05(5)	≤5th	≥5	5	32	75
P10(2)	≤10th	≥2	60	258	346
P10(3)	≤10th	≥3	40	218	292
P10(4)	≤10th	≥4	28	182	245
P10(5)	≤10th	≥5	19	146	201

^*Indicates that the number of cold waves that occurred was too low to be included in the study.