Editing Petaluma, California (section)

===Climate===
[[File:D Street Bridge Petaluma, CA - panoramio.jpg|thumb|D Street Bridge over [[Petaluma River]]]]
Petaluma has a mild [[Mediterranean climate]] ([[Köppen climate classification|Köppen]]: ''Csb''). Its dry summer is characterized by typically warm days and cool nights with a large degree of [[diurnal temperature variation]]. Summer mornings often start out foggy and chilly, but the fog usually clears by midday or so, giving way to clear skies and warmth for the remainder of the day. August is usually the warmest month, with average daily temperatures ranging from {{convert|82|°F}} to {{convert|53|°F}}. December is usually the coldest month, with average daily temperatures ranging from {{convert|57|°F}} to {{convert|39|°F}}. Winter is cool and rainy, with frost occasionally occurring on clear nights.

[[Weather Underground (weather service)|Weather Underground]]'s reporting station in Petaluma had a record high temperature of {{convert|111|°F|°C|abbr=on}} on September 6, 2020. The record low temperature of {{convert|16|°F|°C|abbr=on}} was recorded on November 14, 1916, and December 14, 1932. The wettest year was 1998 with {{convert|45.93|in|mm}} and the driest year was 1976 with {{convert|8.29|in|mm}}. The wettest month was February 1998 with {{convert|19.59|in|mm}}. The most precipitation in 24 hours was {{convert|4.29|in|mm}} on December 27, 2004. Although snow is rare in Petaluma, {{convert|1.5|in}} fell in January 1916, as well as about {{convert|3|in}} in January 2002.<ref>{{cite web|url=http://www.wrcc.dri.edu/summary/Climsmcca.html|title=Central California|work=dri.edu}}</ref>

{{Weather box
|location = Petaluma, CA (1991–2020 normals, extremes 1913–present)
|single line = Y
| Jan record high F  = 85
| Feb record high F  = 86
| Mar record high F  = 93
| Apr record high F  = 97
| May record high F  = 101
| Jun record high F  = 110
| Jul record high F  = 110
| Aug record high F  = 105
| Sep record high F  = 109
| Oct record high F  = 106
| Nov record high F  = 91
| Dec record high F  = 81
| year record high F =
| Jan avg record high F  = 67.4
| Feb avg record high F  = 72.0
| Mar avg record high F  = 77.2
| Apr avg record high F  = 88.5
| May avg record high F  = 87.7
| Jun avg record high F  = 95.6
| Jul avg record high F  = 96.2
| Aug avg record high F  = 96.2
| Sep avg record high F  = 97.1
| Oct avg record high F  = 90.4
| Nov avg record high F  = 77.8
| Dec avg record high F  = 66.8
| year avg record high F = 100.6
|Jan high F = 57.6
|Feb high F = 61.3
|Mar high F = 64.5
|Apr high F = 67.8
|May high F = 71.9
|Jun high F = 78.1
|Jul high F = 80.8
|Aug high F = 81.2
|Sep high F = 81.6
|Oct high F = 76.4
|Nov high F = 65.5
|Dec high F = 57.9
|year high F = 70.4
| Jan mean F  = 48.3
| Feb mean F  = 50.8
| Mar mean F  = 53.2
| Apr mean F  = 55.8
| May mean F  = 59.6
| Jun mean F  = 64.3
| Jul mean F  = 66.6
| Aug mean F  = 67.0
| Sep mean F  = 66.5
| Oct mean F  = 62.0
| Nov mean F  = 53.9
| Dec mean F  = 48.1
| year mean F = 58.0
|Jan low F = 39.0
|Feb low F = 40.4
|Mar low F = 41.9
|Apr low F = 43.8	
|May low F = 47.4
|Jun low F = 50.4
|Jul low F = 52.4
|Aug low F = 52.8
|Sep low F = 51.4
|Oct low F = 47.6
|Nov low F = 42.3
|Dec low F = 38.4
|year low F = 45.7
| Jan avg record low F  = 28.1
| Feb avg record low F  = 30.6
| Mar avg record low F  = 33.4
| Apr avg record low F  = 35.6
| May avg record low F  = 40.6
| Jun avg record low F  = 44.5
| Jul avg record low F  = 47.2
| Aug avg record low F  = 47.6
| Sep avg record low F  = 44.7
| Oct avg record low F  = 39.2
| Nov avg record low F  = 31.4
| Dec avg record low F  = 27.4
| year avg record low F = 25.6
| Jan record low F  = 18
| Feb record low F  = 18
| Mar record low F  = 24
| Apr record low F  = 26
| May record low F  = 27
| Jun record low F  = 32
| Jul record low F  = 39
| Aug record low F  = 39
| Sep record low F  = 31
| Oct record low F  = 25
| Nov record low F  = 20
| Dec record low F  = 16
| year record low F =
|Jan precipitation inch = 4.77
|Feb precipitation inch = 5.23
|Mar precipitation inch = 3.32
|Apr precipitation inch = 1.68
|May precipitation inch = 0.93
|Jun precipitation inch = 0.28
|Jul precipitation inch = 0.01
|Aug precipitation inch = 0.05
|Sep precipitation inch = 0.09
|Oct precipitation inch = 1.27
|Nov precipitation inch = 2.74
|Dec precipitation inch = 5.19
|precipitation colour = green
|year precipitation inch = 25.56
| unit precipitation days  = 0.01 in
| Jan precipitation days  = 12.0
| Feb precipitation days  = 10.4
| Mar precipitation days  = 9.9
| Apr precipitation days  = 6.4
| May precipitation days  = 3.7
| Jun precipitation days  = 1.3
| Jul precipitation days  = 0.1
| Aug precipitation days  = 0.3
| Sep precipitation days  = 1.0
| Oct precipitation days  = 3.7
| Nov precipitation days  = 8.0
| Dec precipitation days  = 12.1
| year precipitation days =
|source 1 = <ref name = "NOAA">{{cite web
|url=https://www.weather.gov/wrh/climate?wfo=mtr
|title=NOWData - NOAA Online Weather Data
|publisher=[[National Oceanic and Atmospheric Administration]]
|access-date=June 19, 2022}}</ref>
|date=July 2018
}}