This time of year, it is certainly not uncommon to find a large variation in conditions across the Northern Plains. All one needs to do is look back a couple weeks ago to find one to two feet of snowcover. The very next week, highs in many similar locations reached the 50s, 60s and even 70s. Sometimes the variation on a single day is quite remarkable, with highs on Monday across the region varying from teens to 60s. Yes, springtime is certainly a season of large variation across the Northern Plains.
Over the entire period of record for Sioux Falls, Sioux City and Huron, here are the average temperatures and probability of precipitation:
|
Location |
Average High Temperature |
Average Low Temperature |
Climatological Probability of Precipitation (trace or greater) |
|
Sioux Falls |
45 |
24 |
35.4% |
|
Sioux City |
47 |
26 |
41.9% |
|
Huron |
43 |
22 |
48.8% |
Here’s a look at some extremes on this day when the most direct incoming solar radiation first marks its return to the Northern Hemisphere since six months ago at the Autumnal equnox.
| Sioux Falls | |||||||||||
| Coldest Minimum Temp. | Warmest Maximum Temp. | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Precip | ||
| 1951 | 3/21 | 26 | -11 | 0 | 1910 | 3/21 | 83 | 40 | 0 | ||
| 1965 | 3/20 | 18 | -2 | T | 1907 | 3/21 | 75 | 40 | 0 | ||
| 1899 | 3/20 | 14 | -1 | 0.03 | 1911 | 3/21 | 75 | 39 | 0 | ||
| 1913 | 3/20 | 22 | 0 | T | 1939 | 3/21 | 74 | 40 | 0 | ||
| 1974 | 3/20 | 27 | 5 | 0.16 | 1990 | 3/20 | 68 | 32 | 0 | ||
| 1986 | 3/20 | 28 | 5 | T | 1916 | 3/20 | 65 | 30 | 0 | ||
| 1893 | 3/20 | 42 | 6 | 0 | 1935 | 3/21 | 65 | 33 | 0 | ||
| 1960 | 3/20 | 30 | 6 | 0 | 1938 | 3/21 | 65 | 49 | 0 | ||
| 1953 | 3/20 | 65 | 41 | 0.03 | |||||||
| Warmest Minimum Temp. | Coldest Maximum Temp. | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Precip | ||
| 1938 | 3/21 | 65 | 49 | 0 | 1899 | 3/20 | 14 | -1 | 0.03 | ||
| 1987 | 3/20 | 63 | 45 | 0.13 | 1965 | 3/20 | 18 | -2 | T | ||
| 1918 | 3/21 | 60 | 41 | 0 | 1913 | 3/20 | 22 | 0 | T | ||
| 1953 | 3/20 | 65 | 41 | 0.03 | 1955 | 3/21 | 24 | 7 | 0.02 | ||
| 1910 | 3/21 | 83 | 40 | 0 | 1933 | 3/20 | 25 | 8 | 0 | ||
| 1907 | 3/21 | 75 | 40 | 0 | 1951 | 3/21 | 26 | -11 | 0 | ||
| 1939 | 3/21 | 74 | 40 | 0 | 1932 | 3/20 | 27 | 20 | 0.60 | ||
| 1991 | 3/20 | 61 | 40 | 0.19 | 1974 | 3/20 | 27 | 5 | 0.16 | ||
| 1911 | 3/21 | 75 | 39 | 0 | 1983 | 3/20 | 28 | 20 | T | ||
| 1972 | 3/20 | 54 | 39 | 0.07 | 1986 | 3/20 | 28 | 5 | T | ||
| Wettest | Snowiest | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Snowfall | ||
| 1923 | 3/21 | 46 | 26 | 0.77 | 1923 | 3/21 | 46 | 26 | 6.5 | ||
| 1932 | 3/20 | 27 | 20 | 0.60 | 1932 | 3/20 | 27 | 20 | 5.0 | ||
| 1921 | 3/20 | 60 | 33 | 0.54 | 1974 | 3/20 | 27 | 5 | 1.9 | ||
| 1912 | 3/20 | 32 | 12 | 0.23 | 1950 | 3/20 | 33 | 25 | 1.1 | ||
| 1991 | 3/20 | 61 | 40 | 0.19 | 1964 | 3/20 | 32 | 12 | 1.1 | ||
| 1974 | 3/20 | 27 | 5 | 0.16 | 1977 | 3/20 | 32 | 16 | 0.8 | ||
| 1964 | 3/20 | 32 | 12 | 0.16 | 1940 | 3/20 | 34 | 20 | 0.5 | ||
| 1994 | 3/20 | 44 | 31 | 0.14 | 1994 | 3/20 | 44 | 31 | 0.5 | ||
| 1987 | 3/20 | 63 | 45 | 0.13 | |||||||
| Sioux City | |||||||||||
| Coldest Minimum Temp. | Warmest Maximum Temp. | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Precip | ||
| 1951 | 3/21 | 29 | -1 | 0 | 1910 | 3/21 | 85 | 47 | 0 | ||
| 1965 | 3/20 | 20 | 4 | T | 1907 | 3/21 | 81 | 41 | 0 | ||
| 1892 | 3/19 | 26 | 5 | 0 | 1939 | 3/21 | 81 | 41 | 0 | ||
| 1899 | 3/20 | 24 | 5 | T | 1911 | 3/21 | 72 | 47 | T | ||
| 1913 | 3/20 | 20 | 6 | 0.02 | 1938 | 3/21 | 71 | 47 | T | ||
| 1974 | 3/20 | 33 | 7 | 0.28 | 1987 | 3/20 | 69 | 45 | 0.47 | ||
| 1900 | 3/20 | 27 | 8 | 0 | 1988 | 3/20 | 69 | 25 | 0 | ||
| 1990 | 3/20 | 69 | 26 | 0 | |||||||
| 1997 | 3/20 | 69 | 33 | 0 | |||||||
| Warmest Minimum Temp. | Coldest Maximum Temp. | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Precip | ||
| 1910 | 3/21 | 85 | 47 | 0 | 1913 | 3/20 | 20 | 6 | 0.02 | ||
| 1911 | 3/21 | 72 | 47 | T | 1965 | 3/20 | 20 | 4 | T | ||
| 1938 | 3/21 | 71 | 47 | T | 1955 | 3/21 | 23 | 12 | 0.04 | ||
| 1972 | 3/20 | 67 | 47 | 0.05 | 1899 | 3/20 | 24 | 5 | T | ||
| 1987 | 3/20 | 69 | 45 | 0.47 | 1933 | 3/20 | 25 | 12 | T | ||
| 1894 | 3/20 | 49 | 43 | 0.04 | 1892 | 3/19 | 26 | 5 | 0 | ||
| 1953 | 3/20 | 64 | 42 | T | 1914 | 3/21 | 26 | 11 | 0.01 | ||
| 1991 | 3/20 | 63 | 42 | 0.18 | 1900 | 3/20 | 27 | 8 | 0 | ||
| 1907 | 3/21 | 81 | 41 | 0 | 1912 | 3/20 | 27 | 11 | 1.39 | ||
| 1939 | 3/21 | 81 | 41 | 0 | 1932 | 3/20 | 28 | 22 | 0.25 | ||
| Wettest | Snowiest | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Snowfall | ||
| 1912 | 3/20 | 27 | 11 | 1.39 | 2006 | 3/20 | 35 | 28 | 7.5 | ||
| 2006 | 3/20 | 35 | 28 | 0.62 | 1974 | 3/20 | 33 | 7 | 3.7 | ||
| 1987 | 3/20 | 69 | 45 | 0.47 | 1964 | 3/20 | 33 | 13 | 3.4 | ||
| 1964 | 3/20 | 33 | 13 | 0.36 | 1961 | 3/20 | 38 | 33 | 0.5 | ||
| 1974 | 3/20 | 33 | 7 | 0.28 | 1955 | 3/21 | 23 | 12 | 0.4 | ||
| 1932 | 3/20 | 28 | 22 | 0.25 | 1969 | 3/20 | 34 | 22 | 0.4 | ||
| 2003 | 3/20 | 49 | 35 | 0.24 | 1983 | 3/20 | 32 | 24 | 0.3 | ||
| 1991 | 3/20 | 63 | 42 | 0.18 | 1950 | 3/20 | 34 | 27 | 0.1 | ||
| 1977 | 3/20 | 41 | 26 | 0.1 | |||||||
| Huron | |||||||||||
| Coldest Minimum Temp. | Warmest Maximum Temp. | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Precip | ||
| 1965 | 3/20 | 21 | -5 | T | 1907 | 3/21 | 84 | 40 | 0 | ||
| 1951 | 3/21 | 28 | -4 | 0 | 1910 | 3/21 | 83 | 45 | 0 | ||
| 1892 | 3/19 | 19 | -3 | 0 | 1939 | 3/21 | 76 | 30 | 0 | ||
| 1913 | 3/20 | 11 | -2 | 0.04 | 1990 | 3/20 | 69 | 31 | 0.01 | ||
| 1899 | 3/20 | 12 | 0 | 0.03 | 1911 | 3/21 | 67 | 35 | 0 | ||
| 1900 | 3/20 | 28 | 2 | 0 | 1953 | 3/20 | 66 | 40 | 0 | ||
| 1912 | 3/20 | 13 | 3 | 0.21 | 1916 | 3/20 | 63 | 34 | 0 | ||
| 1943 | 3/21 | 39 | 3 | 0 | 1929 | 3/20 | 63 | 28 | 0 | ||
| 1960 | 3/20 | 26 | 4 | 0 | 1946 | 3/20 | 63 | 37 | 0 | ||
| 2002 | 3/20 | 23 | 4 | T | 1987 | 3/20 | 63 | 44 | 0.02 | ||
| Warmest Minimum Temp. | Coldest Maximum Temp. | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Precip | ||
| 1910 | 3/21 | 83 | 45 | 0 | 1913 | 3/20 | 11 | -2 | 0.04 | ||
| 1926 | 3/21 | 62 | 45 | 0 | 1899 | 3/20 | 12 | 0 | 0.03 | ||
| 1938 | 3/21 | 59 | 45 | 0 | 1912 | 3/20 | 13 | 3 | 0.21 | ||
| 1987 | 3/20 | 63 | 44 | 0.02 | 1892 | 3/19 | 19 | -3 | 0 | ||
| 1991 | 3/20 | 48 | 43 | 0.14 | 1965 | 3/20 | 21 | -5 | T | ||
| 1907 | 3/21 | 84 | 40 | 0 | 1955 | 3/21 | 23 | 7 | T | ||
| 1953 | 3/20 | 66 | 40 | 0 | 2002 | 3/20 | 23 | 4 | T | ||
| 1894 | 3/20 | 44 | 38 | 0.10 | 1989 | 3/20 | 24 | 5 | T | ||
| 1946 | 3/20 | 63 | 37 | 0 | 1932 | 3/20 | 25 | 23 | 0.03 | ||
| 1972 | 3/20 | 42 | 36 | 0.48 | |||||||
| Wettest | Snowiest | ||||||||||
| Year | Date | Max | Min | Precip | Year | Date | Max | Min | Snowfall | ||
| 1972 | 3/20 | 42 | 36 | 0.48 | 1982 | 3/20 | 31 | 26 | 4.3 | ||
| 1887 | 3/20 | 31 | 20 | 0.29 | 1977 | 3/20 | 33 | 13 | 2.4 | ||
| 1882 | 3/20 | 42 | 10 | 0.26 | 1912 | 3/20 | 13 | 3 | 1.5 | ||
| 1912 | 3/20 | 13 | 3 | 0.21 | 1940 | 3/20 | 27 | 14 | 1.2 | ||
| 1977 | 3/20 | 33 | 13 | 0.17 | 1932 | 3/20 | 25 | 23 | 0.7 | ||
| 1991 | 3/20 | 48 | 43 | 0.14 | 1964 | 3/20 | 30 | 5 | 0.6 | ||
| 1982 | 3/20 | 31 | 26 | 0.13 | 1913 | 3/20 | 11 | -2 | 0.5 | ||
| 1994 | 3/20 | 54 | 29 | 0.11 | 1924 | 3/20 | 36 | 28 | 0.5 | ||
| 1894 | 3/20 | 44 | 38 | 0.10 | 1950 | 3/20 | 31 | 25 | 0.5 | ||