April 2003
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 1 | -1.4 / -9.7 | -4.7 / -18.6 | -4.1 / -27.6 | 78 / 42 | 1024.1 / 1009.0 | NW 32 / N 4 | Partly Cloudy |
| 2 | -4.7 / -11.3 | -15.8 / -21.9 | -8.2 / -29.2 | 62 / 27 | 1028.7 / 1024.0 | N 29 / 0 | Partly Cloudy |
| 3 | -6.9 / -9.6 | -10.6 / -22.7 | -6.9 / -22.1 | 81 / 29 | 1027.2 / 1023.5 | NW 22 / 0 | Overcast / Snow |
| 4 | -2.7 / -10.4 | -10.4 / -14.0 | -4.7 / -17.6 | 83 / 44 | 1027.3 / 1025.3 | N 19 / 0 | Overcast / Snow |
| 5 | 2.2 / -10.2 | -12.5 / -20.6 | 2.2 / -12.7 | 77 / 16 | 1027.1 / 1024.6 | N 17 / 0 | Partly Cloudy |
| 6 | 2.7 / -6.4 | -2.8 / -14.4 | 1.9 / -6.4 | 81 / 40 | 1026.7 / 1024.6 | E 14 / 0 | AM : Overcast |
| PM : Overcast / Rain | |||||||
| 7 | 7.8 / -0.8 | 1.2 / -5.9 | 7.3 / -11.8 | 74 / 51 | 1030.0 / 1024.1 | S 22 / 0 | AM : Overcast / Rain |
| PM : Partly Cloudy | |||||||
| 8 | 11.6 / -0.6 | 0.2 / -8.6 | 11.5 / -13.6 | 81 / 23 | 1029.0 / 1013.9 | SE 30 / 0 | Partly Cloudy |
| 9 | 21.4 / 4.7 | 2.1 / -33.2 | 20.7 / 0.1 | 72 / 0 | 1014.2 / 1004.6 | SE 27 / 0 | Few Clouds |
| 10 | 13.5 / 2.8 | 0.4 / -29.9 | 11.4 / -6.7 | 63 / 0 | 1019.3 / 1005.8 | SW 41 / 0 | Partly Cloudy |
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 11 | 16.6 / 0.5 | -3.2 / -34.1 | 16.6 / -1.1 | 61 / 0 | 1023.7 / 1019.3 | NW 17 / 0 | Partly Cloudy |
| 12 | 18.8 / 3.1 | -2.2 / -35.6 | 18.8 / -2.8 | 66 / 0 | 1022.0 / 1010.9 | E 29 / 0 | AM : Partly Cloudy |
| PM : Overcast / Shwrs | |||||||
| 13 | 10.8 / 0.4 | 1.9 / -4.1 | 10.8 / -6.9 | 88 / 35 | 1011.8 / 1005.5 | NW 22 / 0 | Overcast / Fog |
| 14 | 9.9 / 1.2 | 0.4 / -6.5 | 9.6 / -8.0 | 90 / 31 | 1018.7 / 1010.5 | N 20 / 0 | Partly Cloudy |
| 15 | 6.7 / -1.3 | -4.9 / -29.2 | 2.9 / -9.2 | 68 / 6 | 1023.7 / 1018.0 | NE 30 / 0 | Partly Cloudy |
| 16 | 8.9 / -3.0 | -15.2 / -44.1 | 8.7 / -10.6 | 36 / 0 | 1028.1 / 1019.9 | E 20 / 0 | Partly Cloudy |
| 17 | 10.8 / -0.2 | 1.2 / -16.5 | 10.7 / -4.9 | 82 / 23 | 1019.9 / 1011.2 | SE 25 / 0 | Partly Cloudy |
| 18 | 20.7 / 5.6 | 4.5 / -36.4 | 20.5 / -3.6 | 82 / 0 | 1019.0 / 1011.0 | S 29 / 0 | Partly Cloudy |
| 19 | 19.6 / 4.7 | -2.2 / -35.3 | 19.6 / 3.1 | 57 / 0 | 1022.5 / 1018.9 | W 20 / 0 | Partly Cloudy |
| 20 | 19.0 / 3.4 | 1.2 / -36.8 | 17.8 / 0.9 | 74 / 0 | 1024.4 / 1021.2 | N 25 / 0 | Partly Cloudy |
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 21 | 17.3 / 2.2 | -2.4 / -39.1 | 17.3 / 2.2 | 60 / 0 | 1027.0 / 1021.5 | NW 19 / 0 | Partly Cloudy |
| 22 | 22.3 / 8.0 | -13.9 / -36.7 | 21.3 / -1.3 | 16 / 0 | 1021.9 / 1014.2 | E 30 / 0 | Partly Cloudy |
| 23 | 20.6 / 8.9 | -7.2 / -33.9 | 19.7 / 2.8 | 24 / 0 | 1014.6 / 1011.3 | N 27 / 0 | Partly Cloudy |
| 24 | 13.4 / 8.5 | 4.2 / -8.2 | 12.1 / 8.3 | 62 / 23 | 1022.3 / 1014.5 | NW 14 / 0 | Partly Cloudy |
| 25 | 17.1 / 5.7 | 2.9 / -10.4 | 16.8 / 4.8 | 81 / 15 | 1022.2 / 1014.7 | E 19 / 0 | Partly Cloudy |
| 26 | 20.3 / 1.6 | -4.8 / -39.4 | 20.2 / 1.6 | 57 / 0 | 1015.0 / 1008.2 | NE 22 / 0 | Partly Cloudy |
| 27 | 7.6 / -0.2 | 1.7 / -21.9 | 2.2 / -9.4 | 95 / 10 | 1018.6 / 990.6 | NW 24 / 0 | Partly Cloudy / Rain |
| 28 | 9.8 / -1.4 | -2.9 / -13.9 | 4.8 / -2.9 | 83 / 22 | 1025.1 / 1018.5 | NE 28 / 0 | Partly Cloudy / Rain |
| 29 | 13.1 / -4.9 | -8.5 / -39.9 | 13.1 / -4.9 | 67 / 0 | 1026.3 / 1017.7 | SW 19 / 0 | Partly Cloudy |
| 30 | 18.3 / 4.2 | -16.8 / -37.9 | 15.2 / -2.1 | 18 / 0 | 1017.8 / 1014.2 | SW 35 / 0 | Partly Cloudy |