Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Santa Rosa. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Santa Rosa, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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Which Years Hold Standing Records
0 standing records
0 records at Santa Rosa still stand.
Standing records at Santa Rosa by the year they were set
Year set
Standing records
Wettest Day of Each Month
Nov: 147.0 mm (5.8 in)
The wettest day on record for each calendar month at Santa Rosa. The most was 147.0 mm (5.8 in) on 6 November 1992.
Record daily precipitation for each month at Santa Rosa
Yearly extremes at Santa Rosa: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Wettest day (Rx1day)
147.0 mm (5.8 in)
1992
75.4 mm (3.0 in)
33
Wettest five days (Rx5day)
299.4 mm (11.8 in)
1980
148.0 mm (5.8 in)
33
Longest dry spell (CDD)
148 days
1995
83 days
33
Wettest day (Rx1day)
The wettest day of the year at Santa Rosa, 1968 to 2000. The record is 147.0 mm (5.8 in) in 1992, marked on the chart; the median year is 75.4 mm (3.0 in).
Wettest day (Rx1day) at Santa Rosa by year
Year
Wettest day (Rx1day)
1968
80.3 mm (3.2 in)
1969
32.1 mm (1.3 in)
1970
74.0 mm (2.9 in)
1971
84.2 mm (3.3 in)
1972
58.4 mm (2.3 in)
1973
65.4 mm (2.6 in)
1974
88.2 mm (3.5 in)
1975
78.0 mm (3.1 in)
1976
70.4 mm (2.8 in)
1977
86.2 mm (3.4 in)
1978
75.4 mm (3.0 in)
1979
57.2 mm (2.3 in)
1980
127.2 mm (5.0 in)
1981
55.0 mm (2.2 in)
1982
75.2 mm (3.0 in)
1983
95.2 mm (3.7 in)
1984
80.2 mm (3.2 in)
1985
63.4 mm (2.5 in)
1986
63.4 mm (2.5 in)
1987
87.0 mm (3.4 in)
1988
79.0 mm (3.1 in)
1989
98.0 mm (3.9 in)
1990
70.4 mm (2.8 in)
1991
60.0 mm (2.4 in)
1992
147.0 mm (5.8 in)
1993
89.5 mm (3.5 in)
1994
86.0 mm (3.4 in)
1995
65.0 mm (2.6 in)
1996
51.0 mm (2.0 in)
1997
63.2 mm (2.5 in)
1998
68.4 mm (2.7 in)
1999
82.4 mm (3.2 in)
2000
90.0 mm (3.5 in)
Wettest five days (Rx5day)
The wettest five days of the year at Santa Rosa, 1968 to 2000. The record is 299.4 mm (11.8 in) in 1980, marked on the chart; the median year is 148.0 mm (5.8 in).
Wettest five days (Rx5day) at Santa Rosa by year
Year
Wettest five days (Rx5day)
1968
168.4 mm (6.6 in)
1969
95.8 mm (3.8 in)
1970
130.2 mm (5.1 in)
1971
172.4 mm (6.8 in)
1972
119.0 mm (4.7 in)
1973
93.4 mm (3.7 in)
1974
143.2 mm (5.6 in)
1975
121.0 mm (4.8 in)
1976
150.0 mm (5.9 in)
1977
146.1 mm (5.8 in)
1978
138.3 mm (5.4 in)
1979
135.7 mm (5.3 in)
1980
299.4 mm (11.8 in)
1981
106.6 mm (4.2 in)
1982
151.9 mm (6.0 in)
1983
159.6 mm (6.3 in)
1984
196.8 mm (7.7 in)
1985
148.8 mm (5.9 in)
1986
128.2 mm (5.0 in)
1987
112.0 mm (4.4 in)
1988
148.0 mm (5.8 in)
1989
226.2 mm (8.9 in)
1990
125.8 mm (5.0 in)
1991
100.0 mm (3.9 in)
1992
252.4 mm (9.9 in)
1993
296.7 mm (11.7 in)
1994
178.7 mm (7.0 in)
1995
149.8 mm (5.9 in)
1996
135.0 mm (5.3 in)
1997
148.1 mm (5.8 in)
1998
125.6 mm (4.9 in)
1999
172.4 mm (6.8 in)
2000
190.9 mm (7.5 in)
Longest dry spell (CDD)
The longest dry spell of the year at Santa Rosa, 1968 to 2000. The record is 148 days in 1995, marked on the chart; the median year is 83 days.
Longest dry spell (CDD) at Santa Rosa by year
Year
Longest dry spell (CDD)
1968
82 days
1969
112 days
1970
132 days
1971
47 days
1972
59 days
1973
64 days
1974
92 days
1975
57 days
1976
50 days
1977
92 days
1978
46 days
1979
50 days
1980
83 days
1981
45 days
1982
116 days
1983
53 days
1984
136 days
1985
117 days
1986
63 days
1987
113 days
1988
91 days
1989
46 days
1990
49 days
1991
119 days
1992
93 days
1993
70 days
1994
77 days
1995
148 days
1996
88 days
1997
97 days
1998
70 days
1999
90 days
2000
95 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Download the Data
Data for Santa Rosa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santa Rosa threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.