PETALUMA AIRPORT, CA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(046826)

File last updated on March 28, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1893-----z-----z33.00 -----z-----z-----z-----z-----z49.00x-----z-----z-----z-----z
1894-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1895-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1896-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1897-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1898-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1899-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1900-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1901-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1902-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1903-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1904-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1905-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1906-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1907-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1908-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1909-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1910-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1911-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1912-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1913-----z26.00 26.00 33.00 34.00 40.00 42.00 42.00 39.00 35.00 30.00 27.00 -----z
191428.00 28.00 30.00 35.00 40.00 38.00 41.00 42.00 39.00 36.00 26.00 25.00 25.00
191526.00 32.00a33.00 39.00 33.00 33.00 43.00 41.00 39.00 34.00 28.00 18.00 18.00a
191625.00 29.00 31.00 34.00 29.00 37.00 41.00 39.00 39.00 32.00 20.00 24.00 20.00
191721.00 26.00 26.00 29.00 32.00 38.00 43.00 41.00 41.00 31.00 29.00 25.00 21.00
191822.00 27.00 24.00 28.00 32.00 39.00 40.00 42.00 42.00 31.00 26.00 21.00 21.00
191918.00 26.00a26.00 32.00 35.00 39.00 39.00 39.00 39.00 27.00 25.00 19.00 18.00a
192024.00 22.00 28.00 42.00 38.00 45.00 46.00b46.00 43.00 38.00 33.00a36.00a22.00d
192132.00 34.00 44.00 41.00a42.00 49.00 49.00 49.00 45.00 47.00a32.00 37.00 32.00b
192232.00b37.00b43.00d44.00 37.00 44.00b40.00 43.00 39.00 34.00 27.00 25.00 25.00j
192328.00 23.00 31.00 33.00 36.00a39.00 42.00 43.00 41.00 41.00 42.00 27.00 23.00a
192427.00b39.00 35.00 39.00 40.00 43.00 42.00 42.00 37.00 34.00a32.00 21.00a21.00d
192526.00 34.00 29.00 30.00 34.00 39.00 41.00 41.00 39.00 33.00 27.00 32.00 26.00
192628.00 33.00 35.00 41.00 36.00 41.00 43.00 45.00 36.00 33.00 33.00 17.00 17.00
1927-----z-----z-----z-----z-----z-----z-----z-----z45.00p37.00 30.00a27.00 -----z
192824.00 32.00 32.00 38.00f41.00 42.00 43.00 42.00 41.00 30.00 30.00 24.00 24.00f
192929.00 24.00 29.00 29.00 34.00 40.00 42.00 50.00 31.00 43.00 28.00 39.00 24.00
193025.00 34.00 40.00 35.00 29.00 32.00 45.00 46.00 40.00 37.00 30.00 21.00 21.00
193128.00 35.00 33.00 35.00 37.00 45.00 47.00 44.00 39.00 37.00 25.00 26.00 25.00
193226.00 26.00 32.00 34.00 40.00 42.00 44.00 44.00 44.00 35.00 31.00 16.00 16.00
193325.00 27.00 33.00 32.00 34.00 39.00 39.00 43.00 43.00 38.00 29.00 26.00 25.00
193434.00 33.00 34.00 35.00 42.00 43.00 41.00 46.00 37.00 36.00 35.00 29.00 29.00
193525.00 29.00 29.00 34.00 40.00 43.00 40.00 40.00 43.00 26.00 27.00 24.00 24.00
193631.00 27.00 34.00 29.00 42.00 44.00 44.00 42.00 40.00 38.00 29.00 24.00 24.00
193718.00 29.00 32.00 26.00 34.00 42.00 42.00 42.00 40.00 41.00 34.00 27.00 18.00
193826.00 28.00 30.00 33.00 40.00 44.00 49.00 43.00 46.00 37.00 26.00 29.00 26.00
193929.00 29.00 31.00 35.00a37.00 41.00 47.00 45.00 43.00 35.00 34.00 30.00 29.00a
194027.00 33.00 32.00 39.00 41.00 45.00a46.00 49.00 45.00 37.00 30.00 24.00 24.00a
194129.00 35.00 36.00 37.00 43.00 45.00 47.00 46.00 45.00 34.00 28.00 28.00 28.00
194226.00 31.00 33.00 38.00 38.00 42.00 49.00 46.00 46.00 40.00 32.00 30.00 26.00
194323.00a30.00 35.00 37.00a40.00a42.00 47.00a47.00a44.00 37.00 36.00 27.00 23.00e
194429.00 30.00 31.00 35.00 40.00a43.00 46.00 45.00 39.00 42.00 30.00 34.00 29.00a
194526.00 31.00 30.00 33.00 41.00a43.00a50.00 46.00 43.00 39.00 33.00 24.00 24.00b
194626.00 27.00 35.00 36.00 40.00 46.00 48.00 47.00 43.00 32.00a32.00 26.00 26.00a
194724.00 30.00b35.00 40.00o42.00c45.00 47.00 47.00a42.00 43.00 28.00 29.00 24.00u
194825.00 26.00 30.00 32.00 36.00a43.00 45.00 46.00 37.00 25.00 28.00 24.00 24.00a
194922.00 28.00 39.00 37.00 43.00 45.00 46.00b47.00b46.00 34.00 38.00 28.00 22.00d
195024.00 25.00 29.00 38.00 36.00 42.00 47.00 45.00 39.00 38.00 38.00 37.00 24.00
195129.00 29.00 28.00 38.00 39.00 42.00 45.00 47.00 44.00 38.00 32.00 27.00 27.00
195226.00 32.00 33.00 37.00 36.00 42.00 50.00 46.00 45.00 41.00 30.00 34.00 26.00
195331.00 31.00 30.00 35.00 37.00 43.00 43.00 49.00 45.00 39.00 34.00h28.00e28.00m
195426.00d31.00 28.00 33.00 36.00 40.00 43.00 41.00a41.00 35.00 26.00 27.00 26.00e
195526.00 27.00 26.00 31.00 38.00a39.00 42.00 42.00 40.00 38.00 31.00 31.00 26.00a
195628.00 25.00 30.00 34.00 37.00 41.00 45.00 43.00 42.00 34.00 27.00 23.00 23.00
195721.00 26.00 32.00 35.00 42.00 42.00 41.00 42.00 43.00 42.00 27.00 26.00 21.00
195829.00 31.00 30.00 36.00 37.00 47.00 45.00 48.00a41.00 38.00 28.00 24.00 24.00a
195927.00 26.00 35.00a32.00c38.00 41.00 45.00 46.00 42.00 35.00a28.00 25.00 25.00e
196022.00 29.00 33.00 32.00 37.00 44.00 46.00 42.00 42.00 39.00 32.00 27.00a22.00a
196121.00a33.00 30.00 32.00 35.00 42.00 45.00 47.00 40.00 34.00 25.00 26.00 21.00a
196223.00 27.00 31.00 37.00 38.00 41.00 43.00 41.00 42.00 42.00a34.00 24.00 23.00a
196320.00 35.00 29.00 32.00 37.00 45.00 45.00 41.00 46.00 36.00 31.00 25.00 20.00
196425.00a28.00 29.00 29.00 35.00 41.00 42.00 42.00 42.00 41.00 25.00 26.00 25.00a
196526.00 30.00 34.00 33.00 37.00a44.00 44.00 49.00 39.00 42.00 30.00 24.00 24.00a
196626.00 28.00 26.00 35.00 38.00 40.00 45.00 43.00 44.00 36.00 29.00 26.00 26.00
196726.00 30.00 31.00 33.00 36.00 43.00 46.00 47.00 49.00 40.00 30.00 25.00a25.00a
196823.00 31.00 32.00 35.00 36.00 45.00 42.00 49.00 45.00 38.00 31.00 23.00 23.00
196927.00 31.00 30.00 34.00 42.00 48.00 48.00 44.00 44.00a39.00 29.00 28.00 27.00a
197026.00 32.00 35.00 33.00 40.00 46.00 47.00 45.00 39.00 33.00 36.00 28.00 26.00
197127.00 30.00 28.00 24.00 41.00 39.00 44.00 48.00 42.00 33.00 31.00 27.00 24.00
197226.00 25.00 32.00 32.00 41.00 42.00 45.00 47.00 45.00 36.00 32.00 19.00 19.00
197324.00 34.00 32.00 39.00 40.00 46.00 47.00 45.00 45.00 40.00 32.00 35.00 24.00
197428.00 32.00 32.00 35.00 38.00 45.00 48.00 48.00 46.00 39.00 31.00 25.00 25.00
197522.00 29.00 35.00 34.00 36.00 41.00 45.00 47.00 46.00 35.00 30.00 28.00 22.00
197623.00 27.00 28.00 31.00 39.00 41.00 49.00 50.00 48.00 41.00 29.00 25.00 23.00
197728.00 33.00 29.00 30.00 37.00 44.00 45.00 48.00 45.00 40.00 32.00 30.00a28.00a
197834.00b36.00 39.00a37.00 42.00 47.00 49.00 48.00 43.00 41.00 28.00a21.00 21.00d
197923.00 28.00a36.00 35.00a41.00 43.00 49.00 47.00 49.00a40.00 30.00 28.00 23.00c
198029.00 32.00 35.00a36.00 40.00 42.00 47.00 48.00a45.00 38.00 30.00 26.00 26.00b
198133.00 33.00a34.00 33.00a38.00 43.00 47.00 48.00 42.00 36.00 32.00 33.00 32.00b
198226.00 26.00a31.00 33.00d38.00a33.00a44.00 43.00 42.00a37.00a31.00a25.00a25.00k
1983-----z34.00b34.00a32.00a36.00 41.00 41.00 47.00 46.00b42.00 33.00 32.00a-----z
198426.00 32.00 35.00 34.00 40.00c43.00 46.00b46.00a40.00a29.00b30.00d28.00a26.00n
198526.00d24.00b30.00a38.00 27.00 35.00 40.00 45.00 37.00a35.00c26.00d24.00e24.00t
198632.00a30.00a33.00b35.00 37.00a46.00 46.00 46.00 41.00a40.00a30.00c30.00b30.00l
198727.00a29.00b33.00a39.00 44.00 46.00 46.00 49.00a45.00a45.00a30.00d29.00b27.00m
198828.00b28.00a32.00b37.00b38.00 40.00 46.00 49.00 45.00c40.00a34.00a27.00 27.00l
198928.00b18.00f34.00a37.00c41.00 45.00 46.00 47.00 46.00 36.00c33.00a29.00a18.00q
199028.00a26.00 33.00a40.00a40.00 44.00 51.00 -----z47.00 -----z-----z-----z-----z
199123.00 34.00d34.00 37.00 39.00a43.00 47.00p-----z-----z-----z-----z-----z-----z
199228.00a31.00 39.00a39.00b45.00a46.00 51.00 46.00 46.00b43.00b30.00d28.00b28.00o
199325.00d32.00c35.00c39.00a40.00a44.00 47.00 47.00 41.00a42.00a23.00a26.00f23.00u
199429.00a27.00b32.00b38.00a37.00a45.00 44.00 41.00 45.00 38.00b29.00a27.00c27.00m
199533.00a32.00b34.00b38.00c42.00 44.00 48.00a44.00 46.00 37.00a37.00 35.00c32.00m
199634.00b31.00c33.00a34.00b39.00 42.00c40.00a46.00a44.00c36.00b36.00c29.00e-----z
199726.00a34.00d31.00 35.00 40.00 47.00 49.00 50.00 48.00 38.00 38.00 29.00 26.00e
199830.00a35.00 34.00a27.00i41.00n47.00 40.00 43.00 47.00l38.00 36.00a21.00 -----z
199927.00d30.00 35.00 33.00 40.00 -----z48.00 49.00 48.00 40.00 35.00 30.00 -----z
200029.00 33.00 -----z41.00 40.00g44.00 47.00 47.00 45.00 40.00a29.00 30.00 -----z
200128.00 -----z34.00 34.00 42.00 46.00 49.00 48.00c46.00a41.00 31.00 35.00 -----z
200226.00a30.00 30.00 35.00 40.00 42.00 48.00 48.00 45.00 33.00 33.00a32.00a26.00c
200335.00 27.00 34.00 34.00 40.00 44.00 46.00 49.00 46.00 40.00 27.00 27.00 27.00
200428.00 31.00 39.00 37.00 44.00 45.00 47.00 49.00 43.00 37.00 28.00 27.00 27.00
200531.00 34.00 36.00 34.00 40.00 44.00 49.00f48.00 42.00 41.00 32.00 27.00 27.00f
200632.00 28.00a31.00 37.00 40.00 48.00 49.00a49.00 44.00 39.00 28.00 25.00 25.00b
200721.00 29.00 35.00a35.00 40.00 42.00 47.00b46.00a42.00 39.00 29.00 26.00 21.00d
200830.00 31.00a31.00 30.00a39.00 43.00 46.00 47.00 42.00 39.00 36.00 24.00a24.00c
200923.00 30.00 29.00 32.00 41.00 47.00 47.00 48.00 44.00 39.00a31.00 20.00a20.00b
201037.00b35.00 33.00 35.00 38.00b44.00 46.00m45.00 41.00 36.00b27.00 29.00 27.00s
201129.00a26.00 32.00a35.00 40.00a44.00 46.00 48.00 40.00 36.00 31.00 25.00 25.00c
201222.00 27.00 31.00 32.00 39.00 45.00 47.00 47.00 43.00 43.00 32.00 26.00 22.00
201322.00 28.00 33.00 39.00 42.00 45.00 47.00 48.00 44.00 38.00 32.00 20.00 20.00
201427.00a29.00 37.00 40.00 43.00a41.00 49.00 52.00 50.00 44.00 36.00a30.00 27.00c
201529.00 32.00 32.00 35.00 41.00 46.00 51.00 53.00 46.00 46.00 24.00 26.00 24.00
201624.00 35.00 35.00 39.00 41.00 46.00 48.00 47.00 46.00 42.00 34.00 25.00 24.00
201726.00 30.00 33.00 35.00 43.00 45.00 49.00 50.00 44.00 39.00 34.00 26.00 26.00
201831.00 26.00 29.00 34.00 41.00 44.00 48.00 47.00 44.00 40.00 29.00 30.00 26.00
201927.00 28.00 35.00a43.00 42.00 45.00 48.00 50.00a44.00d32.00 34.00c31.00 27.00i
202031.00 33.00 32.00 32.00 39.00b46.00 48.00 48.00 50.00 40.00b30.00d29.00a29.00i
202127.00 33.00a33.00 36.00 43.00 44.00 49.00 49.00 47.00 41.00b34.00 31.00a27.00d
202228.00 26.00 31.00a34.00c36.00d43.00 49.00c51.00 49.00a38.00 28.00 27.00 26.00l
202328.00 28.00 32.00b36.00 43.00 45.00 50.00 52.00 47.00 33.00 28.00 31.00 28.00b
202433.00 35.00 37.00d-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN26.82 29.95 32.40 34.89 38.63 42.84 45.50 45.88 43.02 37.50 30.53 26.97 23.99
S.D.3.59 3.33 3.39 3.45 3.27 3.07 3.01 3.04 3.30 3.98 3.55 4.23 3.18
SKEW0.17 0.09 0.50 -0.10 -0.90 -1.06 -0.35 -0.24 -0.42 -0.54 0.23 0.20 -0.11
MAX37.00 39.00 44.00 44.00 45.00 49.00 51.00 53.00 50.00 47.00 42.00 39.00 32.00
MIN18.00 22.00 24.00 24.00 27.00 32.00 39.00 39.00 31.00 25.00 20.00 16.00 16.00
YRS109 109 111 107 108 109 107 108 108 109 108 108 77