Weather archive in San Ramon

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
2026 March 27, Friday	14	25.5 78	746.3 29.38 994.99 994.99	758.3 29.85 1010.98 1010.98	-1.3 -0.05 -1.73 -1.73	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Rain.			Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	24.8 77	7.0 0.28	6
	11	24.9 77	747.6 29.43 996.72 996.72	759.8 29.91 1012.98 1012.98	0.9 0.04 1.2 1.2	99	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Rain.			Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		8.0 5.0	24.7 76
	08	24.6 76	746.7 29.4 995.52 995.52	758.9 29.88 1011.78 1011.78		98	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	24.1 75	30.2 86	Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		8.0 5.0	24.2 76	5.0 0.2	24	Surface of ground wet (standing water in small or large pools on surface).
March 26, Thursday	17	28.4 83	744.7 29.32 992.85 992.85	756.7 29.79 1008.85 1008.85	-1.4 -0.06 -1.87 -1.87	80	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas					30.2 86	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	300-600 984-1968	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	24.7 76
March 26, Thursday	14	27.5 82	746.1 29.37 994.72 994.72	758.0 29.84 1010.58 1010.58	-1.6 -0.06 -2.13 -2.13	89	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	25.6 78	0.4 0.02	6