April 2001
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 1 | 5.3 / -2.7 | 2.0 / -3.3 | 5.3 / -13.8 | 68 / 98 | 1008.4 / 1015.3 | 0 / W 22 | AM : Overcast / Snow |
| PM : Overcast | |||||||
| 2 | 7.5 / -6.5 | -2.2 / -8.1 | 6.8 / -7.9 | 36 / 91 | 1015.3 / 1023.5 | 0 / SE 11 | Partly Cloudy |
| 3 | 7.2 / -4.7 | -1.8 / -5.9 | 7.2 / -4.7 | 48 / 91 | 1023.5 / 1029.7 | 0 / W 8 | Overcast |
| 4 | 4.6 / 1.3 | 1.1 / -3.8 | 4.6 / -5.4 | 61 / 92 | 1017.7 / 1030.0 | 0 / SE 14 | AM : Overcast / Snow |
| PM : Overcast | |||||||
| 5 | 8.7 / 0.6 | 1.9 / -2.4 | 6.3 / -9.8 | 46 / 92 | 1008.6 / 1017.8 | 0 / S 33 | Few Clouds |
| 6 | 7.7 / -0.9 | -0.8 / -3.2 | 7.7 / -8.4 | 47 / 85 | 1010.1 / 1013.2 | 0 / S 17 | AM : Few Clouds |
| PM : Overcast | |||||||
| 7 | 9.2 / -2.1 | -0.9 / -3.4 | 9.2 / -3.8 | 47 / 92 | 1010.0 / 1013.3 | 0 / N 14 | Partly Cloudy |
| 8 | 5.9 / -2.3 | -0.1 / -4.4 | 4.4 / -4.3 | 51 / 85 | 1013.3 / 1021.9 | 0 / N 22 | Partly Cloudy |
| 9 | 8.2 / -1.8 | 1.1 / -2.7 | 8.2 / -4.5 | 58 / 94 | 1015.3 / 1021.9 | 0 / NE 16 | Overcast |
| 10 | 7.7 / 0.8 | 1.8 / -0.3 | 7.4 / 0.8 | 64 / 93 | 1012.9 / 1015.5 | 0 / S 12 | Overcast |
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 11 | 8.4 / 1.7 | 3.1 / 0.7 | 6.6 / -2.1 | 68 / 93 | 1013.1 / 1016.4 | 0 / SE 11 | Overcast |
| 12 | 9.2 / 1.2 | 2.2 / -0.3 | 9.1 / -1.1 | 58 / 97 | 1012.9 / 1016.9 | 0 / W 17 | Overcast |
| 13 | 9.1 / 1.1 | 1.8 / -2.6 | 9.1 / -3.7 | 50 / 91 | 1010.8 / 1017.6 | 0 / NE 16 | Overcast |
| 14 | 3.2 / -8.2 | 1.5 / -11.1 | 2.3 / -21.5 | 75 / 92 | 1007.5 / 1020.3 | 0 / N 30 | Overcast / Snow |
| 15 | -5.9 / -10.1 | -7.9 / -14.6 | -12.9 / -27.2 | 52 / 95 | 1020.3 / 1031.6 | N 9 / NW 35 | Overcast / Snow |
| 16 | 2.3 / -8.3 | -7.8 / -17.6 | 2.3 / -23.5 | 28 / 95 | 1031.6 / 1040.8 | 0 / NW 25 | Few Clouds |
| 17 | 8.3 / -5.6 | -7.2 / -19.3 | 8.0 / -15.9 | 13 / 55 | 1022.0 / 1039.5 | 0 / S 22 | Few Clouds |
| 18 | 13.4 / 3.2 | 0.8 / -9.4 | 11.6 / -11.4 | 26 / 65 | 1010.4 / 1022.0 | 0 / SE 43 | Few Clouds |
| 19 | 14.2 / 0.7 | 2.9 / -1.8 | 13.8 / 0.7 | 30 / 90 | 1006.4 / 1010.7 | 0 / N 14 | Partly Cloudy |
| 20 | 7.8 / -4.4 | 5.4 / -7.0 | 6.9 / -17.3 | 62 / 91 | 1005.9 / 1018.9 | 0 / W 32 | AM : Overcast / Rain |
| PM : Overcast | |||||||
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 21 | -0.2 / -8.4 | -7.0 / -12.3 | -0.3 / -26.2 | 43 / 84 | 1018.9 / 1028.1 | 0 / NW 38 | AM : Overcast / Snow |
| PM : Few Clouds | |||||||
| 22 | 7.6 / -6.9 | -5.8 / -11.9 | 7.6 / -6.9 | 25 / 69 | 1019.6 / 1029.4 | 0 / SW 12 | Few Clouds |
| 23 | 13.4 / -3.4 | -1.8 / -6.4 | 12.2 / -7.5 | 30 / 83 | 1015.7 / 1019.6 | 0 / W 33 | Few Clouds |
| 24 | 17.2 / 3.5 | -0.9 / -11.2 | 16.6 / -4.6 | 15 / 58 | 1016.6 / 1020.3 | 0 / SW 21 | Few Clouds |
| 25 | 21.8 / 9.1 | -2.1 / -9.0 | 19.8 / 2.4 | 16 / 38 | 1008.3 / 1016.9 | 0 / W 34 | Few Clouds |
| 26 | 17.0 / 5.4 | -2.1 / -15.7 | 16.8 / 0.8 | 11 / 45 | 1013.3 / 1023.0 | 0 / W 24 | Few Clouds |
| 27 | 21.8 / 4.1 | 1.2 / -9.5 | 21.0 / 0.8 | 11 / 65 | 1017.1 / 1023.6 | 0 / SE 30 | Few Clouds |
| 28 | 26.9 / 10.4 | 11.7 / -4.4 | 26.6 / 2.3 | 12 / 65 | 1003.8 / 1017.1 | 0 / SE 41 | AM / PM : Few Clouds |
| Late PM : Overcast / Thunder | |||||||
| 29 | 25.7 / 13.2 | 11.8 / 7.2 | 23.8 / 7.2 | 19 / 70 | 999.9 / 1007.2 | 0 / SW 43 | Partly Cloudy / Rain |
| 30 | 20.6 / 10.5 | -1.7 / -30.8 | 17.9 / 1.8 | 5 / 36 | 1002.3 / 1009.7 | 0 / S 41 | Partly Cloudy |