Weather archive in Guidonia (airport)

To receive explanations, hover over the appropriate heading

Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2025 January 3, Friday	07	11.0 52	755.6 29.75 1007.38 1007.38	763.6 30.06 1018.05 1018.05		95					100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.			8.0 46		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	60%. 6/10. 5 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.		10.0 6.2	10.2 50	No precipitation No precipitation	12	Surface of ground wet (standing water in small or large pools on surface).
January 2, Thursday	19	10.0 50	759.8 29.91 1012.98 1012.98	768.0 30.24 1023.92 1023.92	-0.8 -0.03 -1.07 -1.07	90					100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		15.2 59	Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	1000-1500 3281-4921	Altostratus opacus or Nimbostratus.		10.0 6.2	8.4 47	0.2 0.01	12
	18	10.0 50	760.3 29.93 1013.65 1013.65	768.5 30.26 1024.58 1024.58	-0.5 -0.02 -0.67 -0.67	88					100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	1000-1500 3281-4921	Altostratus opacus or Nimbostratus.		10.0 6.2	8.1 47
	17	16.6 62	760.3 29.93 1013.65 1013.65	768.3 30.25 1024.32 1024.32	-1.1 -0.04 -1.47 -1.47	68					100%. 10/10. 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	1000-1500 3281-4921	Altostratus opacus or Nimbostratus.		16.0 9.9	10.7 51
	16	7.8 46	760.6 29.94 1014.05 1014.05	768.9 30.27 1025.12 1025.12	-1.2 -0.05 -1.6 -1.6	64					60%. 6/10. 5 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	1.4 35
	15	13.2 56	760.8 29.95 1014.32 1014.32	768.9 30.27 1025.12 1025.12	-2.0 -0.08 -2.67 -2.67	53					70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			25.0 15.5	3.8 39
	14	13.4 56	761.4 29.98 1015.12 1015.12	769.4 30.29 1025.78 1025.78	-1.8 -0.07 -2.4 -2.4	53					60%. 6/10. 5 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	4.0 39
	13	13.6 56	761.8 29.99 1015.65 1015.65	769.9 30.31 1026.45 1026.45	-1.4 -0.06 -1.87 -1.87	47					40%. 4/10. 3 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	2000-2500 6562-8202	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	2.5 37	No precipitation No precipitation	6
	12	12.3 54	762.8 30.03 1016.98 1016.98	771.0 30.35 1027.92 1027.92	-0.2 -0.01 -0.27 -0.27	60					40%. 4/10. 3 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	2000-2500 6562-8202	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	4.8 41
	11	9.6 49	763.2 30.05 1017.52 1017.52	771.4 30.37 1028.45 1028.45	0.2 0.01 0.27 0.27	70					20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2000-2500 6562-8202	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	4.4 40
	10	5.2 41	763.2 30.05 1017.52 1017.52	771.5 30.37 1028.58 1028.58	0.1 0 0.13 0.13	97					40%. 4/10. 3 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	2000-2500 6562-8202	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	4.8 41
	09	3.8 39	763.0 30.04 1017.25 1017.25	771.4 30.37 1028.45 1028.45		98					70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	3.5 38
	08	2.0 36	763.0 30.04 1017.25 1017.25	771.4 30.37 1028.45 1028.45		100					70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	1000-1500 3281-4921	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	2.0 36
	07	0.4 33	763.1 30.04 1017.38 1017.38	771.6 30.38 1028.72 1028.72		100					60%. 6/10. 5 oktas				-0.6 31		Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	0.4 33	No precipitation No precipitation	12	Surface of ground frozen.