All-Time Extremes • Top 5 Years
| Alma All-Time Extremes (1948-2012) | |
| Temperature | |
| Record high | 105 on August 18, 1995 |
| Record low | -1 on January 21, 1985 |
| Record lowest maximum | 25 on January 21, 1985 and December 25, 1983 |
| Record lowest daily mean | 12 on January 21, 1985 |
| Record warmest minimum | 81 on August 15, 1997 |
| Record warmest daily mean | 91 on July 20, 1986 |
| Earliest freeze | October 17, 1954 |
| Latest freeze | April 8, 2007 |
| Average date of first freeze | November 26 |
| Average date of last freeze | March 4 |
| Greatest number of consecutive days with low temp at or below freezing |
14 from January 2-15, 2010 |
| Greatest number of consecutive days with minimum 20 or below |
4 from January 8-11, 1970 and December 12-15, 1962 |
| Greatest number of consecutive days with maximum 90 or above |
56 from May 20 to July 14, 2011 |
| Rainfall | |
| Maximum rainfall in one year | 62.67" in 1964 |
| Minimum rainfall in one year | 26.08" in 1954 |
| Maximum rainfall in one month | 14.86" in January 1991 |
| Minimum rainfall in one month | Trace in October 1963 |
| Maximum rainfall in one calendar day | 6.92" on December 4, 1964 |
| Maximum rainfall in one hour | Unknown |
| Greatest number of consecutive days without measurable precipitation |
38 from October 22 to November 28, 1956 |
| Greatest number of consecutive days with measurable precipitation |
12 from July 5-16, 1982 and July 1-12, 1950 |
| Snowfall | |
| Maximum snowfall in one calendar day | 4.4" on February 10, 1973 |
| Maximum snowfall in one year | 4.4" in 1973 |
| Greatest depth of snow on ground | 4.4" on February 10, 1973 |
| Greatest number of consecutive days with snow | Unknown |
| Greatest number of consecutive days with at least a trace or more of snow on the ground |
2 from February 10-11, 1973 |
| Earliest snowfall | Unknown |
| Latest snowfall | Unknown |