Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Passau-Maierhof. 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 Passau-Maierhof, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
16.0 C (60.8 F)
-28.6 C (-19.5 F)
n/a
n/a
Feb
16.8 C (62.2 F)
-31.6 C (-24.9 F)
n/a
n/a
Mar
23.5 C (74.3 F)
-18.3 C (-0.9 F)
n/a
n/a
Apr
28.0 C (82.4 F)
-5.7 C (21.7 F)
n/a
n/a
May
30.1 C (86.2 F)
-3.5 C (25.7 F)
n/a
n/a
Jun
34.4 C (93.9 F)
1.5 C (34.7 F)
n/a
n/a
Jul
36.4 C (97.5 F)
5.0 C (41.0 F)
n/a
n/a
Aug
34.5 C (94.1 F)
1.2 C (34.2 F)
n/a
n/a
Sep
32.6 C (90.7 F)
-2.7 C (27.1 F)
n/a
n/a
Oct
26.6 C (79.9 F)
-7.0 C (19.4 F)
n/a
n/a
Nov
19.2 C (66.6 F)
-13.0 C (8.6 F)
n/a
n/a
Dec
15.2 C (59.4 F)
-28.2 C (-18.8 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Passau-Maierhof still stand. 1947 holds the most, with 102.
Standing records at Passau-Maierhof by the year they were set
Year set
Standing records
1936
77
1937
40
1938
67
1939
70
1940
76
1941
71
1942
82
1943
47
1944
52
1945
52
1946
61
1947
102
1948
65
1949
77
1950
50
1951
49
1952
76
1953
64
1954
50
1955
65
1956
97
1957
74
All-Time Record Progression
3 new records
3 all-time records were set at Passau-Maierhof between 4 February 1909 and 29 August 1964. Each dot is a new record.
When Passau-Maierhof set new all-time records
Date
Kind
Detail
1909-02-04
Record daily precipitation
Record daily precipitation 73.0 mm (2.9 in)
1960-06-26
Record daily precipitation
Record daily precipitation 78.0 mm (3.1 in)
1964-08-29
Record daily precipitation
Record daily precipitation 93.0 mm (3.7 in)
Wettest Day of Each Month
Aug: 93.0 mm (3.7 in)
The wettest day on record for each calendar month at Passau-Maierhof. The most was 93.0 mm (3.7 in) on 29 August 1964.
Record daily precipitation for each month at Passau-Maierhof
Month
Record daily precipitation (mm)
Date
Jan
44.3 mm (1.7 in)
14 January 1968
Feb
73.0 mm (2.9 in)
4 February 1909
Mar
57.2 mm (2.3 in)
30 March 2000
Apr
64.0 mm (2.5 in)
9 April 1934
May
66.5 mm (2.6 in)
12 May 2016
Jun
78.0 mm (3.1 in)
26 June 1960
Jul
53.8 mm (2.1 in)
16 July 1945
Aug
93.0 mm (3.7 in)
29 August 1964
Sep
50.4 mm (2.0 in)
2 September 1888
Oct
41.1 mm (1.6 in)
8 October 1964
Nov
39.0 mm (1.5 in)
15 November 1947
Dec
54.3 mm (2.1 in)
15 December 1962
Period of Record Coverage
1936 to 1957
Complete yearUnder 90 percent of days
22 years of record at Passau-Maierhof, 1936 to 1957. Every year has data for at least 90 percent of its days.
Cooler than the station meanWarmer than the station mean
One stripe for each of 20 complete years at Passau-Maierhof, 1936 to 1957. Blue stripes are years cooler than the station's own mean of 8.3 C (46.9 F); red stripes are warmer. The coolest year was 1940, at 6.6 C (44.0 F), and the warmest was 1951, at 9.0 C (48.1 F). The strongest colour marks a difference of 1.7 C (3.1 F).
Annual mean temperature at Passau-Maierhof as warming stripes, 1936 to 1957
Year
Annual mean temperature
Difference from the station mean
1936
8.6 C
+0.30 C
1937
8.9 C
+0.65 C
1938
8.6 C
+0.33 C
1939
8.0 C
-0.29 C
1940
6.6 C
-1.63 C
1941
7.3 C
-1.00 C
1942
7.5 C
-0.76 C
1943
8.9 C
+0.63 C
1944
8.2 C
-0.06 C
1946
8.9 C
+0.62 C
1947
8.5 C
+0.23 C
1948
8.7 C
+0.47 C
1950
9.0 C
+0.68 C
1951
9.0 C
+0.68 C
1952
8.3 C
+0.02 C
1953
8.8 C
+0.56 C
1954
7.9 C
-0.37 C
1955
7.9 C
-0.40 C
1956
7.1 C
-1.15 C
1957
8.7 C
+0.42 C
This station does not have enough complete years (30 are needed) to fit a temperature trend.
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1879 to 2026
Yearly extremes at Passau-Maierhof: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.4 C (97.5 F)
1957
31.9 C (89.4 F)
22
Coldest night (TNn)
-31.6 C (-24.9 F)
1956
-18.7 C (-1.7 F)
22
Wettest day (Rx1day)
93.0 mm (3.7 in)
1964
37.3 mm (1.5 in)
130
Wettest five days (Rx5day)
163.0 mm (6.4 in)
1909
70.6 mm (2.8 in)
130
Longest dry spell (CDD)
45 days
1908
20 days
130
Hottest day (TXx)
The hottest day of the year at Passau-Maierhof, 1879 to 2026. The record is 36.4 C (97.5 F) in 1957, marked on the chart; the median year is 31.9 C (89.4 F).
Hottest day (TXx) at Passau-Maierhof by year
Year
Hottest day (TXx)
1879
n/a
1880
n/a
1881
n/a
1882
n/a
1883
n/a
1884
n/a
1885
n/a
1886
n/a
1887
n/a
1888
n/a
1889
n/a
1890
n/a
1891
n/a
1892
n/a
1893
n/a
1894
n/a
1895
n/a
1896
n/a
1897
n/a
1898
n/a
1899
n/a
1900
n/a
1901
n/a
1902
n/a
1903
n/a
1904
n/a
1905
n/a
1906
n/a
1907
n/a
1908
n/a
1909
n/a
1910
n/a
1911
n/a
1912
n/a
1913
n/a
1914
n/a
1915
n/a
1934
n/a
1935
n/a
1936
31.5 C (88.7 F)
1937
32.9 C (91.2 F)
1938
31.2 C (88.2 F)
1939
30.6 C (87.1 F)
1940
30.1 C (86.2 F)
1941
31.9 C (89.4 F)
1942
30.8 C (87.4 F)
1943
34.5 C (94.1 F)
1944
32.0 C (89.6 F)
1945
33.6 C (92.5 F)
1946
34.0 C (93.2 F)
1947
35.0 C (95.0 F)
1948
31.8 C (89.2 F)
1949
33.5 C (92.3 F)
1950
35.9 C (96.6 F)
1951
31.2 C (88.2 F)
1952
34.2 C (93.6 F)
1953
31.9 C (89.4 F)
1954
29.3 C (84.7 F)
1955
29.6 C (85.3 F)
1956
28.9 C (84.0 F)
1957
36.4 C (97.5 F)
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
n/a
1990
n/a
1991
n/a
1992
n/a
1993
n/a
1994
n/a
1995
n/a
1996
n/a
1997
n/a
1998
n/a
1999
n/a
2000
n/a
2001
n/a
2002
n/a
2003
n/a
2004
n/a
2005
n/a
2006
n/a
2007
n/a
2008
n/a
2009
n/a
2010
n/a
2011
n/a
2012
n/a
2013
n/a
2014
n/a
2015
n/a
2016
n/a
2017
n/a
2018
n/a
2019
n/a
2020
n/a
2021
n/a
2022
n/a
2023
n/a
2024
n/a
2025
n/a
2026
n/a
Coldest night (TNn)
The coldest night of the year at Passau-Maierhof, 1879 to 2026. The record is -31.6 C (-24.9 F) in 1956, marked on the chart; the median year is -18.7 C (-1.7 F).
Coldest night (TNn) at Passau-Maierhof by year
Year
Coldest night (TNn)
1879
n/a
1880
n/a
1881
n/a
1882
n/a
1883
n/a
1884
n/a
1885
n/a
1886
n/a
1887
n/a
1888
n/a
1889
n/a
1890
n/a
1891
n/a
1892
n/a
1893
n/a
1894
n/a
1895
n/a
1896
n/a
1897
n/a
1898
n/a
1899
n/a
1900
n/a
1901
n/a
1902
n/a
1903
n/a
1904
n/a
1905
n/a
1906
n/a
1907
n/a
1908
n/a
1909
n/a
1910
n/a
1911
n/a
1912
n/a
1913
n/a
1914
n/a
1915
n/a
1934
n/a
1935
n/a
1936
-20.8 C (-5.4 F)
1937
-14.6 C (5.7 F)
1938
-22.7 C (-8.9 F)
1939
-28.2 C (-18.8 F)
1940
-25.5 C (-13.9 F)
1941
-22.8 C (-9.0 F)
1942
-28.6 C (-19.5 F)
1943
-25.9 C (-14.6 F)
1944
-16.8 C (1.8 F)
1945
-17.0 C (1.4 F)
1946
-18.5 C (-1.3 F)
1947
-23.9 C (-11.0 F)
1948
-17.5 C (0.5 F)
1949
-16.2 C (2.8 F)
1950
-16.6 C (2.1 F)
1951
-12.4 C (9.7 F)
1952
-16.5 C (2.3 F)
1953
-20.9 C (-5.6 F)
1954
-18.0 C (-0.4 F)
1955
-16.3 C (2.7 F)
1956
-31.6 C (-24.9 F)
1957
-19.0 C (-2.2 F)
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
n/a
1990
n/a
1991
n/a
1992
n/a
1993
n/a
1994
n/a
1995
n/a
1996
n/a
1997
n/a
1998
n/a
1999
n/a
2000
n/a
2001
n/a
2002
n/a
2003
n/a
2004
n/a
2005
n/a
2006
n/a
2007
n/a
2008
n/a
2009
n/a
2010
n/a
2011
n/a
2012
n/a
2013
n/a
2014
n/a
2015
n/a
2016
n/a
2017
n/a
2018
n/a
2019
n/a
2020
n/a
2021
n/a
2022
n/a
2023
n/a
2024
n/a
2025
n/a
2026
n/a
Wettest day (Rx1day)
The wettest day of the year at Passau-Maierhof, 1879 to 2026. The record is 93.0 mm (3.7 in) in 1964, marked on the chart; the median year is 37.3 mm (1.5 in).
Wettest day (Rx1day) at Passau-Maierhof by year
Year
Wettest day (Rx1day)
1879
41.9 mm (1.6 in)
1880
45.3 mm (1.8 in)
1881
37.8 mm (1.5 in)
1882
41.4 mm (1.6 in)
1883
24.2 mm (1.0 in)
1884
28.1 mm (1.1 in)
1885
27.2 mm (1.1 in)
1886
40.4 mm (1.6 in)
1887
29.2 mm (1.1 in)
1888
50.4 mm (2.0 in)
1889
43.3 mm (1.7 in)
1890
43.2 mm (1.7 in)
1891
43.4 mm (1.7 in)
1892
45.3 mm (1.8 in)
1893
37.3 mm (1.5 in)
1894
29.0 mm (1.1 in)
1895
36.9 mm (1.5 in)
1896
31.2 mm (1.2 in)
1897
36.8 mm (1.4 in)
1898
52.8 mm (2.1 in)
1899
46.2 mm (1.8 in)
1900
27.5 mm (1.1 in)
1901
40.0 mm (1.6 in)
1902
36.1 mm (1.4 in)
1903
30.9 mm (1.2 in)
1904
29.0 mm (1.1 in)
1905
59.3 mm (2.3 in)
1906
26.2 mm (1.0 in)
1907
33.0 mm (1.3 in)
1908
29.5 mm (1.2 in)
1909
73.0 mm (2.9 in)
1910
29.5 mm (1.2 in)
1911
26.0 mm (1.0 in)
1912
46.0 mm (1.8 in)
1913
41.9 mm (1.6 in)
1914
32.6 mm (1.3 in)
1915
35.7 mm (1.4 in)
1934
64.0 mm (2.5 in)
1935
38.4 mm (1.5 in)
1936
60.8 mm (2.4 in)
1937
28.2 mm (1.1 in)
1938
29.2 mm (1.1 in)
1939
34.8 mm (1.4 in)
1940
40.3 mm (1.6 in)
1941
27.9 mm (1.1 in)
1942
33.7 mm (1.3 in)
1943
22.6 mm (0.9 in)
1944
38.6 mm (1.5 in)
1945
58.8 mm (2.3 in)
1946
30.2 mm (1.2 in)
1947
44.8 mm (1.8 in)
1948
32.9 mm (1.3 in)
1949
41.2 mm (1.6 in)
1950
27.4 mm (1.1 in)
1951
44.3 mm (1.7 in)
1952
29.0 mm (1.1 in)
1953
23.6 mm (0.9 in)
1954
50.1 mm (2.0 in)
1955
48.0 mm (1.9 in)
1956
39.2 mm (1.5 in)
1957
26.6 mm (1.0 in)
1958
41.4 mm (1.6 in)
1959
28.6 mm (1.1 in)
1960
78.0 mm (3.1 in)
1961
41.2 mm (1.6 in)
1962
54.3 mm (2.1 in)
1963
40.5 mm (1.6 in)
1964
93.0 mm (3.7 in)
1965
29.7 mm (1.2 in)
1966
53.3 mm (2.1 in)
1967
43.9 mm (1.7 in)
1968
59.2 mm (2.3 in)
1969
26.2 mm (1.0 in)
1970
43.7 mm (1.7 in)
1971
20.9 mm (0.8 in)
1972
20.3 mm (0.8 in)
1973
30.8 mm (1.2 in)
1974
38.8 mm (1.5 in)
1975
43.0 mm (1.7 in)
1976
37.4 mm (1.5 in)
1977
34.0 mm (1.3 in)
1978
28.8 mm (1.1 in)
1979
46.0 mm (1.8 in)
1980
24.6 mm (1.0 in)
1981
39.6 mm (1.6 in)
1982
43.0 mm (1.7 in)
1983
40.0 mm (1.6 in)
1984
30.6 mm (1.2 in)
1985
52.0 mm (2.0 in)
1986
28.2 mm (1.1 in)
1987
39.5 mm (1.6 in)
1988
33.4 mm (1.3 in)
1989
23.6 mm (0.9 in)
1990
29.2 mm (1.1 in)
1991
28.7 mm (1.1 in)
1992
30.5 mm (1.2 in)
1993
50.2 mm (2.0 in)
1994
38.0 mm (1.5 in)
1995
42.6 mm (1.7 in)
1996
24.0 mm (0.9 in)
1997
45.2 mm (1.8 in)
1998
37.4 mm (1.5 in)
1999
28.6 mm (1.1 in)
2000
57.2 mm (2.3 in)
2001
55.5 mm (2.2 in)
2002
80.6 mm (3.2 in)
2003
26.2 mm (1.0 in)
2004
37.3 mm (1.5 in)
2005
34.8 mm (1.4 in)
2006
31.5 mm (1.2 in)
2007
46.4 mm (1.8 in)
2008
25.6 mm (1.0 in)
2009
32.4 mm (1.3 in)
2010
42.3 mm (1.7 in)
2011
30.5 mm (1.2 in)
2012
37.1 mm (1.5 in)
2013
35.6 mm (1.4 in)
2014
31.0 mm (1.2 in)
2015
33.2 mm (1.3 in)
2016
66.5 mm (2.6 in)
2017
41.3 mm (1.6 in)
2018
36.2 mm (1.4 in)
2019
24.1 mm (0.9 in)
2020
48.2 mm (1.9 in)
2021
45.1 mm (1.8 in)
2022
39.8 mm (1.6 in)
2023
56.1 mm (2.2 in)
2024
39.4 mm (1.6 in)
2025
26.4 mm (1.0 in)
2026
31.2 mm (1.2 in)
Wettest five days (Rx5day)
The wettest five days of the year at Passau-Maierhof, 1879 to 2026. The record is 163.0 mm (6.4 in) in 1909, marked on the chart; the median year is 70.6 mm (2.8 in).
Wettest five days (Rx5day) at Passau-Maierhof by year
Year
Wettest five days (Rx5day)
1879
67.1 mm (2.6 in)
1880
82.0 mm (3.2 in)
1881
73.0 mm (2.9 in)
1882
85.1 mm (3.4 in)
1883
71.7 mm (2.8 in)
1884
60.2 mm (2.4 in)
1885
50.5 mm (2.0 in)
1886
68.0 mm (2.7 in)
1887
40.6 mm (1.6 in)
1888
79.5 mm (3.1 in)
1889
58.8 mm (2.3 in)
1890
104.6 mm (4.1 in)
1891
91.9 mm (3.6 in)
1892
106.2 mm (4.2 in)
1893
48.6 mm (1.9 in)
1894
62.3 mm (2.5 in)
1895
72.5 mm (2.9 in)
1896
72.7 mm (2.9 in)
1897
67.4 mm (2.7 in)
1898
61.9 mm (2.4 in)
1899
73.4 mm (2.9 in)
1900
60.4 mm (2.4 in)
1901
72.1 mm (2.8 in)
1902
100.0 mm (3.9 in)
1903
51.8 mm (2.0 in)
1904
40.5 mm (1.6 in)
1905
68.1 mm (2.7 in)
1906
61.7 mm (2.4 in)
1907
73.0 mm (2.9 in)
1908
63.5 mm (2.5 in)
1909
163.0 mm (6.4 in)
1910
64.1 mm (2.5 in)
1911
43.3 mm (1.7 in)
1912
64.2 mm (2.5 in)
1913
53.7 mm (2.1 in)
1914
70.4 mm (2.8 in)
1915
91.9 mm (3.6 in)
1934
74.8 mm (2.9 in)
1935
82.9 mm (3.3 in)
1936
109.5 mm (4.3 in)
1937
56.8 mm (2.2 in)
1938
57.1 mm (2.2 in)
1939
85.2 mm (3.4 in)
1940
77.5 mm (3.1 in)
1941
88.9 mm (3.5 in)
1942
50.8 mm (2.0 in)
1943
53.0 mm (2.1 in)
1944
73.7 mm (2.9 in)
1945
69.7 mm (2.7 in)
1946
90.1 mm (3.5 in)
1947
91.3 mm (3.6 in)
1948
63.0 mm (2.5 in)
1949
73.4 mm (2.9 in)
1950
47.2 mm (1.9 in)
1951
54.5 mm (2.1 in)
1952
69.4 mm (2.7 in)
1953
45.0 mm (1.8 in)
1954
134.7 mm (5.3 in)
1955
72.8 mm (2.9 in)
1956
75.0 mm (3.0 in)
1957
66.8 mm (2.6 in)
1958
69.3 mm (2.7 in)
1959
55.5 mm (2.2 in)
1960
94.0 mm (3.7 in)
1961
70.9 mm (2.8 in)
1962
84.1 mm (3.3 in)
1963
77.9 mm (3.1 in)
1964
94.7 mm (3.7 in)
1965
54.2 mm (2.1 in)
1966
95.6 mm (3.8 in)
1967
88.8 mm (3.5 in)
1968
85.2 mm (3.4 in)
1969
60.3 mm (2.4 in)
1970
99.3 mm (3.9 in)
1971
50.8 mm (2.0 in)
1972
48.8 mm (1.9 in)
1973
59.4 mm (2.3 in)
1974
83.1 mm (3.3 in)
1975
92.1 mm (3.6 in)
1976
68.4 mm (2.7 in)
1977
68.0 mm (2.7 in)
1978
53.7 mm (2.1 in)
1979
84.8 mm (3.3 in)
1980
51.1 mm (2.0 in)
1981
105.0 mm (4.1 in)
1982
72.9 mm (2.9 in)
1983
70.7 mm (2.8 in)
1984
49.2 mm (1.9 in)
1985
83.5 mm (3.3 in)
1986
67.8 mm (2.7 in)
1987
78.7 mm (3.1 in)
1988
77.6 mm (3.1 in)
1989
46.8 mm (1.8 in)
1990
48.0 mm (1.9 in)
1991
66.0 mm (2.6 in)
1992
56.7 mm (2.2 in)
1993
71.8 mm (2.8 in)
1994
61.3 mm (2.4 in)
1995
101.3 mm (4.0 in)
1996
56.2 mm (2.2 in)
1997
67.7 mm (2.7 in)
1998
76.3 mm (3.0 in)
1999
59.6 mm (2.3 in)
2000
90.9 mm (3.6 in)
2001
78.4 mm (3.1 in)
2002
141.6 mm (5.6 in)
2003
80.4 mm (3.2 in)
2004
88.2 mm (3.5 in)
2005
68.8 mm (2.7 in)
2006
60.8 mm (2.4 in)
2007
87.0 mm (3.4 in)
2008
55.0 mm (2.2 in)
2009
81.9 mm (3.2 in)
2010
54.5 mm (2.1 in)
2011
54.7 mm (2.2 in)
2012
76.2 mm (3.0 in)
2013
111.9 mm (4.4 in)
2014
58.7 mm (2.3 in)
2015
67.7 mm (2.7 in)
2016
85.2 mm (3.4 in)
2017
52.7 mm (2.1 in)
2018
94.4 mm (3.7 in)
2019
44.2 mm (1.7 in)
2020
73.0 mm (2.9 in)
2021
95.9 mm (3.8 in)
2022
61.8 mm (2.4 in)
2023
126.7 mm (5.0 in)
2024
99.6 mm (3.9 in)
2025
46.9 mm (1.8 in)
2026
50.2 mm (2.0 in)
Longest dry spell (CDD)
The longest dry spell of the year at Passau-Maierhof, 1879 to 2026. The record is 45 days in 1908, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Passau-Maierhof by year
Year
Longest dry spell (CDD)
1879
16 days
1880
24 days
1881
13 days
1882
21 days
1883
18 days
1884
22 days
1885
20 days
1886
20 days
1887
19 days
1888
19 days
1889
18 days
1890
26 days
1891
16 days
1892
14 days
1893
42 days
1894
32 days
1895
17 days
1896
15 days
1897
27 days
1898
16 days
1899
17 days
1900
17 days
1901
29 days
1902
21 days
1903
13 days
1904
18 days
1905
13 days
1906
24 days
1907
37 days
1908
45 days
1909
15 days
1910
22 days
1911
16 days
1912
15 days
1913
23 days
1914
24 days
1915
20 days
1934
19 days
1935
19 days
1936
11 days
1937
15 days
1938
18 days
1939
24 days
1940
20 days
1941
15 days
1942
24 days
1943
22 days
1944
21 days
1945
16 days
1946
23 days
1947
20 days
1948
36 days
1949
27 days
1950
13 days
1951
31 days
1952
23 days
1953
34 days
1954
19 days
1955
17 days
1956
16 days
1957
20 days
1958
19 days
1959
29 days
1960
13 days
1961
17 days
1962
34 days
1963
17 days
1964
23 days
1965
30 days
1966
15 days
1967
14 days
1968
21 days
1969
20 days
1970
18 days
1971
23 days
1972
25 days
1973
21 days
1974
15 days
1975
22 days
1976
32 days
1977
17 days
1978
21 days
1979
30 days
1980
17 days
1981
16 days
1982
17 days
1983
24 days
1984
25 days
1985
25 days
1986
20 days
1987
11 days
1988
15 days
1989
30 days
1990
26 days
1991
22 days
1992
22 days
1993
25 days
1994
13 days
1995
18 days
1996
10 days
1997
31 days
1998
15 days
1999
18 days
2000
12 days
2001
16 days
2002
26 days
2003
21 days
2004
19 days
2005
20 days
2006
15 days
2007
20 days
2008
13 days
2009
19 days
2010
14 days
2011
36 days
2012
20 days
2013
16 days
2014
18 days
2015
18 days
2016
21 days
2017
16 days
2018
21 days
2019
19 days
2020
27 days
2021
16 days
2022
20 days
2023
19 days
2024
20 days
2025
22 days
2026
16 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.
Frost Dates and Growing Season
20 years with a frost
Across 20 years with a frost, the median last spring frost at Passau-Maierhof falls on 2 May and the median first autumn frost on 11 October, which leaves a median of 161 days between them.
Frost dates and growing season at Passau-Maierhof
Measure
Median, all years
Earliest period
Recent period (1936 to 1957)
Recent against earliest
Fitted trend
Last spring frost
2 May
n/a
2 May
n/a
n/a
First autumn frost
11 October
n/a
11 October
n/a
n/a
Growing days
161 days
n/a
161 days
n/a
n/a
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
128 years, 1879 to 2025
A day with at least 36.6 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 81.5 mm (3.2 in) of rain is expected about once in 100 years.
Rainfall return levels at Passau-Maierhof: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
36.6 mm (1.4 in)
5 years
47.2 mm (1.9 in)
10 years
54.8 mm (2.2 in)
25 years
65.0 mm (2.6 in)
50 years
73.1 mm (2.9 in)
100 years
81.5 mm (3.2 in)
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 128 years of values from 1879 to 2025.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 93.0 mm (3.7 in) in 1964; 80.6 mm (3.2 in) in 2002; 78.0 mm (3.1 in) in 1960.
Download the Data
Data for Passau-Maierhof standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Passau-Maierhof 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.