Weather archive in Viterbo (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
2026 May 10, Sunday	08	12.0 54	733.6 28.88 978.05 978.05	760.9 29.96 1014.45 1014.45		90					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				11.8 53		Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	10.4 51			Surface of ground moist.
May 9, Saturday	20	18.0 64	733.7 28.89 978.19 978.19	760.6 29.94 1014.05 1014.05		78	Calm, no wind	Calm			100%. 10/10. 8 oktas					23.5 74	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas		Altocumulus translucidus at a single level.	Cirrostratus covering the whole sky.	18.0 11.2	14.1 57	No precipitation No precipitation	12
	19	19.0 66	734.3 28.91 978.99 978.99	761.0 29.96 1014.58 1014.58		70	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus covering the whole sky.	20.0 12.4	13.4 56
	18	21.4 71	734.3 28.91 978.99 978.99	760.8 29.95 1014.32 1014.32		63	Wind blowing from the west-southwest	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						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	20.0 12.4	14.1 57
	17	23.0 73	734.5 28.92 979.25 979.25	760.8 29.95 1014.32 1014.32		55	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	20.0 12.4	13.5 56
	16	22.0 72	735.4 28.95 980.45 980.45	761.8 29.99 1015.65 1015.65		59	Calm, no wind	Calm			50%. 5/10. 4 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	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.	20.0 12.4	13.6 56
	15	21.8 71	735.5 28.96 980.59 980.59	762.0 30 1015.92 1015.92		62	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	20.0 12.4	14.2 58
	14	22.0 72	735.6 28.96 980.72 980.72	762.1 30 1016.05 1016.05		48	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	18.0 11.2	10.5 51	No precipitation No precipitation	6
	13	20.8 69	735.7 28.96 980.85 980.85	762.2 30.01 1016.18 1016.18		45	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	18.0 11.2	8.4 47
	12	19.0 66	735.8 28.97 980.99 980.99	762.6 30.02 1016.72 1016.72		67	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 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	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	15.0 9.3	12.7 55
	11	16.0 61	735.8 28.97 980.99 980.99	762.9 30.04 1017.12 1017.12		81	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 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	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	12.7 55
	10	12.6 55	735.8 28.97 980.99 980.99	763.2 30.05 1017.52 1017.52		89	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	100-200 328-656	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	10.8 51
	09	11.8 53	735.8 28.97 980.99 980.99	763.3 30.05 1017.65 1017.65		90					40%. 4/10. 3 oktas	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	Less than 50 Less than 50	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	10.2 50
	08	11.0 52	736.0 28.98 981.25 981.25	763.6 30.06 1018.05 1018.05		91	Calm, no wind	Calm			no clouds no clouds no clouds	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.		8.8 48							12.0 7.5	9.6 49			Surface of ground wet (standing water in small or large pools on surface).