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
2025 September 10, Wednesday	11	31.8 89	748.8 29.48 998.32 998.32	760.8 29.95 1014.32 1014.32	-0.6 -0.02 -0.8 -0.8	61	Calm, no wind	Calm			no clouds no clouds no clouds	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	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.								8.0 5.0	23.5 74
2025 September 10, Wednesday	08	24.9 77	749.4 29.5 999.12 999.12	761.5 29.98 1015.25 1015.25		88	Calm, no wind	Calm			no clouds no clouds no clouds	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	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.	23.0 73	36.3 97						10.0 6.2	22.7 73	28.0 1.1	24	Dry (without cracks, no appreciable amount of dust or loose sand)
September 9, Tuesday	17	25.0 77	747.3 29.42 996.32 996.32	759.3 29.89 1012.32 1012.32	-1.4 -0.06 -1.87 -1.87	89	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas					36.3 97	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.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	15.0 9.3	23.0 73
	14	36.2 97	748.7 29.48 998.18 998.18	760.6 29.94 1014.05 1014.05	-2.1 -0.08 -2.8 -2.8	43	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.	15.0 9.3	21.7 71
	11	34.3 94	750.8 29.56 1000.98 1000.98	762.8 30.03 1016.98 1016.98	1.3 0.05 1.73 1.73	44	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	2000-2500 6562-8202	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	20.5 69