Call of Kiuru

Freiburg, Germany · spring 2026 · model, not observation

Spring came 6 days early

Spring bloom 2026
1991–2020 average
around 27 April
Springs 1940–2025
11 of 86 came earlier than 2026
Track record
good

Every year since 1940

6 days earlier2026 · 20 April
Earlier: below the lineLater: above
Modelled spring bloom in Freiburg
Year Spring bloom Days from average− earlier, + laterearliest firstlatest first
2026 −6
2025 −9
2024 −23
2023 −3
2022 −3
2021 +10
2020 −11
2019 −5
2018 −5
2017 −14
2016 +4
2015 0
2014 −15
2013 +9
2012 0
2011 −11
2010 +2
2009 +1
2008 +9
2007 −11
2006 +9
2005 0
2004 +4
2003 −1
2002 −3
2001 +5
2000 +2
1999 +3
1998 +2
1997 0
1996 +10
1995 +7
1994 −1
1993 −1
1992 +7
1991 −1
1990 −7
1989 −2
1988 +5
1987 +11
1986 +16
1985 +12
1984 +20
1983 +6
1982 +17
1981 −5
1980 +16
1979 +20
1978 +14
1977 +6
1976 +11
1975 +14
1974 −12
1973 +19
1972 +7
1971 +5
1970 +21
1969 +16
1968 +4
1967 +10
1966 +1
1965 +14
1964 +8
1963 +6
1962 +10
1961 −14
1960 −1
1959 −1
1958 +14
1957 −12
1956 +17
1955 +10
1954 +16
1953 +3
1952 +3
1951 +15
1950 +9
1949 −4
1948 −2
1947 +3
1946 −1
1945 +10
1944 +18
1943 0
1942 +12
1941 +30
1940 +11

A minus sign means earlier than the 1991–2020 average, a plus sign later. Dates are rounded to the nearest day. The difference is calculated before rounding, so it can look a day off.

How well the model does here

Checked against observed first lilac bloom near Freiburg: 74 springs, 1951–2024, a median of 36 observations a year.

Grade: good. Even at the cautious end of the range (0.67), the model is well ahead of simply guessing an average spring every year (0.5 or more). How the grades work

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