Weather archive in Guidonia (airport)

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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 December 3, Wednesday	16	12.8 55	751.9 29.6 1002.45 1002.45	760.0 29.92 1013.25 1013.25	-0.4 -0.02 -0.53 -0.53	73					100%. 10/10. 8 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	1000-1500 3281-4921	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	8.1 47
	15	13.6 56	752.3 29.62 1002.98 1002.98	760.3 29.93 1013.65 1013.65		64					100%. 10/10. 8 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altostratus opacus or Nimbostratus.	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	6.9 44
	14	13.4 56	752.3 29.62 1002.98 1002.98	760.3 29.93 1013.65 1013.65	-1.1 -0.04 -1.47 -1.47	65					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.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	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	7.0 45
	13	12.4 54	752.3 29.62 1002.98 1002.98	760.3 29.93 1013.65 1013.65	-1.4 -0.06 -1.87 -1.87	66					60%. 6/10. 5 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	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.	20.0 12.4	6.2 43	No precipitation No precipitation	6
	12	11.8 53	753.2 29.65 1004.18 1004.18	761.2 29.97 1014.85 1014.85	-0.2 -0.01 -0.27 -0.27	82					60%. 6/10. 5 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	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.	20.0 12.4	8.8 48
	11	10.6 51	753.4 29.66 1004.45 1004.45	761.5 29.98 1015.25 1015.25	0.0 0 0 0	87					60%. 6/10. 5 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	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	8.5 47
	10	7.8 46	753.7 29.67 1004.85 1004.85	761.8 29.99 1015.65 1015.65		98					50%. 5/10. 4 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	7.5 46
	09	6.0 43	753.4 29.66 1004.45 1004.45	761.7 29.99 1015.52 1015.52		98					50%. 5/10. 4 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	5.7 42
	08	3.0 37	753.4 29.66 1004.45 1004.45	761.7 29.99 1015.52 1015.52		98					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.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	2.7 37
	07	2.6 37	753.1 29.65 1004.05 1004.05	761.4 29.98 1015.12 1015.12		98					20–30%. 2/10–3/10. 2 oktas				2.6 37		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.	20.0 12.4	2.3 36	1.0 0.04	12	Surface of ground wet (standing water in small or large pools on surface).
December 2, Tuesday	16	12.6 55	753.1 29.65 1004.05 1004.05	761.2 29.97 1014.85 1014.85	-0.7 -0.03 -0.93 -0.93	82					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	9.6 49