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 June 17, Tuesday	12	29.8 86	753.8 29.68 1004.98 1004.98	761.4 29.98 1015.12 1015.12	-0.2 -0.01 -0.27 -0.27	55					40%. 4/10. 3 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	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	19.8 68
	11	27.6 82	754.0 29.69 1005.25 1005.25	761.6 29.98 1015.38 1015.38	0.0 0 0 0	59					20–30%. 2/10–3/10. 2 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	18.9 66
	10	26.0 79	754.0 29.69 1005.25 1005.25	761.7 29.99 1015.52 1015.52	0.0 0 0 0	61					no clouds no clouds no clouds											20.0 12.4	17.9 64
	09	24.4 76	754.0 29.69 1005.25 1005.25	761.6 29.98 1015.38 1015.38		64					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.	20.0 12.4	17.2 63
	08	22.6 73	754.0 29.69 1005.25 1005.25	761.8 29.99 1015.65 1015.65		73					no clouds no clouds no clouds				20.4 69							20.0 12.4	17.5 64	No precipitation No precipitation	12	Dry (without cracks, no appreciable amount of dust or loose sand)
	07	21.2 70	754.0 29.69 1005.25 1005.25	761.8 29.99 1015.65 1015.65		71					no clouds no clouds no clouds											20.0 12.4	15.7 60
June 16, Monday	20	30.2 86	753.6 29.67 1004.72 1004.72	761.1 29.96 1014.72 1014.72	0.5 0.02 0.67 0.67	47					no clouds no clouds no clouds					37.0 99						30.0 18.6	17.7 64	No precipitation No precipitation	12
	19	32.0 90	753.5 29.67 1004.58 1004.58	761.0 29.96 1014.58 1014.58	-0.4 -0.02 -0.53 -0.53	38					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	15.9 61
	18	33.6 92	753.4 29.66 1004.45 1004.45	760.9 29.96 1014.45 1014.45	-0.6 -0.02 -0.8 -0.8	41					50%. 5/10. 4 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	18.5 65
	17	33.4 92	753.1 29.65 1004.05 1004.05	760.6 29.94 1014.05 1014.05	-1.1 -0.04 -1.47 -1.47	49					40%. 4/10. 3 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	21.2 70
	16	33.0 91	753.9 29.68 1005.12 1005.12	761.3 29.97 1014.98 1014.98	-0.4 -0.02 -0.53 -0.53	48					60%. 6/10. 5 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	20.5 69
	15	35.4 96	754.0 29.69 1005.25 1005.25	761.5 29.98 1015.25 1015.25	-0.8 -0.03 -1.07 -1.07	23					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	11.1 52
	14	36.0 97	754.2 29.69 1005.52 1005.52	761.6 29.98 1015.38 1015.38	-0.7 -0.03 -0.93 -0.93	21	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	10.3 51	No precipitation No precipitation	6
	13	36.2 97	754.3 29.7 1005.65 1005.65	761.7 29.99 1015.52 1015.52	-0.9 -0.04 -1.2 -1.2	23					50%. 5/10. 4 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2000-2500 6562-8202	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	25.0 15.5	11.8 53
	12	35.0 95	754.8 29.72 1006.32 1006.32	762.2 30.01 1016.18 1016.18	-0.5 -0.02 -0.67 -0.67	30					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0								2000-2500 6562-8202			25.0 15.5	14.8 59