Suspended Particulates Concentration (PM₁₀) under Unstable Atmospheric Conditions over Subtropical Urban Area (Qena, Egypt)

Table 3

Average, maximum, minimum of 𝑇, Rh, and Ws, coefficient of variation, and number of observation for each month, cold season, hot season, and all observation during the period (2002-03).

Period	Weather elements	Ave.	Min.	Max.	CV	𝑛
Jan.	𝑇	17.23	14.20	22.40	0.11	31
	Rh	47.81	27.00	67.00	0.23
	WS	2.50	0.50	6.50	0.42
Feb.	𝑇	17.08	14.80	24.40	0.15	16
	Rh	44.06	22.00	60.00	0.20
	WS	1.81	1.00	6.50	0.81
Apr.	𝑇	27.53	22.00	35.80	0.13	43
	Rh	23.37	10.00	42.00	0.31
	WS	3.08	0.50	8.00	0.58
May	𝑇	33.27	24.20	37.40	0.09	25
	Rh	29.36	21.00	49.00	0.25
	WS	2.60	1.50	5.00	0.38
Jul.	𝑇	29.02	22.70	36.10	0.15	28
	Rh	18.89	5.00	39.00	0.45
	WS	2.77	1.00	7.50	0.61
Aug.	𝑇	28.77	21.80	36.10	0.16	37
	Rh	19.43	5.00	39.00	0.39
	WS	2.81	1.00	7.50	0.57
Sep.	𝑇	30.08	21.80	36.40	0.13	34
	Rh	29.38	15.00	49.00	0.32
	WS	3.01	1.00	6.50	0.46
Oct.	𝑇	28.34	23.60	32.80	0.10	33
	Rh	29.79	12.00	48.00	0.31
	WS	2.63	1.00	8.00	0.60
Nov.	𝑇	27.95	21.80	36.10	0.15	28
	Rh	18.36	5.00	39.00	0.45
	WS	2.75	1.00	7.50	0.61
Dec.	𝑇	29.73	23.60	36.10	0.15	13
	Rh	16.54	5.00	29.00	0.49
	WS	2.88	1.00	7.50	0.59
Cold season	𝑇	22.46	36.10	14.20	0.30	88
	Rh	33.75	88.00	5.00	0.56
	WS	2.51	7.50	0.50	0.62
Hot season	𝑇	29.25	37.40	21.80	0.14	200
	Rh	24.85	49.00	5.00	0.38
	WS	2.84	8.00	0.50	0.56
All samples	𝑇	27.18	37.40	14.20	0.22	288
	Rh	27.38	67.00	5.00	0.48
	WS	2.74	8.00	0.50	0.57