Let's take a look at some climate statistics for Halloween.
Milwaukee:
Normal High: 53° Normal Low: 37°
Top 5 for each category:
| Warmest | Coldest | Lowest High | Highest Low | Wettest |
| 80° (1950) | 20° (1917) | 30° (1917) | 57° (1974) | 1.45" (1871) |
| 78° (1933) | 22° (1925) | 33° (1873) | 56° (1933) | 1.04" (1941) |
| 75° (1974) | 22° (1923) | 34° (1874) | 55° (1900) | 0.92" (1960) |
| 75° (1944) | 22° (1878) | 35° (1875) | 54° (1909) | 0.56" (1892) |
| 73° (1909) | 23° (1954) | 36° (1879) | 53° (1950) | 0.54" (1920) |
Last 5 Halloweens:
| High | Low | Precip | |
| 2008 | 71° | 49° | 0.00" |
| 2007 | 61° | 44° | 0.00" |
| 2006 | 60° | 34° | 0.00" |
| 2005 | 57° | 48° | T |
| 2004 | 50° | 44° | 0.00" |
Madison:
Normal High: 52° Normal Low: 34°
Top 5 for each category:
| Warmest | Coldest | Lowest High | Highest Low | Wettest |
| 77° (1950) | 22° (1976) | 33° (1996) | 61° (1974) | 1.21" (1960) |
| 72° (1974) | 22° (1954) | 40° (1995) | 51° (1950) | 1.05" (1985) |
| 71° (1968) | 24° (1993) | 40° (1993) | 50° (1997) | 0.45" (1984) |
| 71° (1956) | 24° (1988) | 40° (1954) | 49° (1998) | 0.34" (1979) |
| 70° (2008) | 25° (1978) | 40° (1951) | 49° (1956) | 0.29" (1991) |
Last 5 Halloweens:
| High | Low | Precip | |
| 2008 | 70° | 44° | 0.00" |
| 2007 | 60° | 40° | T |
| 2006 | 49° | 28° | 0.00" |
| 2005 | 59° | 42° | 0.00" |
| 2004 | 50° | 39° | T |