Weather archive in San Ramon

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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 15, Friday	17	29.6 85	746.5 29.39 995.25 995.25	758.4 29.86 1011.12 1011.12	-1.8 -0.07 -2.4 -2.4	73	Calm, no wind	Calm			60%. 6/10. 5 oktas					31.9 89	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	24.3 76
	14	31.8 89	748.3 29.46 997.65 997.65	760.4 29.94 1013.78 1013.78	-1.8 -0.07 -2.4 -2.4	59	Calm, no wind	Calm			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.	60%. 6/10. 5 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.9 73
	11	29.7 85	750.1 29.53 1000.05 1000.05	762.3 30.01 1016.32 1016.32	0.8 0.03 1.07 1.07	69	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 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	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	23.4 74
	08	24.5 76	749.3 29.5 998.98 998.98	761.5 29.98 1015.25 1015.25		94	Calm, no wind	Calm			60%. 6/10. 5 oktas				21.2 70	30.6 87	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	2000-2500 6562-8202	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	23.5 74			Dry (without cracks, no appreciable amount of dust or loose sand)
May 14, Thursday	17	30.0 86	747.1 29.41 996.05 996.05	759.1 29.89 1012.05 1012.05	-1.0 -0.04 -1.33 -1.33	60	Calm, no wind	Calm			40%. 4/10. 3 oktas					30.6 87	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	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	21.4 71