May 2002
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 1 | 1.8 / -6.8 | -2.7 / -12.8 | 1.8 / -12.8 | 89 / 41 | 1019.2 / 1015.3 | NW 25 / 0 | Partly Cloudy |
| 2 | 11.4 / -6.7 | -9.1 / -31.1 | 11.2 / -15.3 | 71 / 2 | 1015.7 / 1009.3 | W 22 / 0 | Partly Cloudy |
| 3 | 20.9 / -0.7 | -8.9 / -34.8 | 19.4 / -16.3 | 52 / 0 | 1014.6 / 999.8 | W 45 / E 6 | Partly Cloudy |
| 4 | 10.0 / -4.8 | -9.1 / -42.1 | 9.3 / -18.1 | 58 / 0 | 1023.8 / 1014.6 | W 37 / 0 | Clear |
| 5 | 4.8 / -3.7 | -3.5 / -43.6 | 4.2 / -12.2 | 90 / 0 | 1025.7 / 1022.3 | N 24 / 0 | AM : Overcast / Snow |
| PM : Few Clouds | |||||||
| 6 | 7.2 / -5.9 | -7.3 / -25.3 | 7.0 / -5.9 | 74 / 0 | 1028.3 / 1025.5 | NE 22 / 0 | Partly Cloudy |
| 7 | 13.7 / -4.6 | -12.4 / -39.8 | 12.9 / -5.2 | 53 / 0 | 1029.9 / 1022.5 | NE 24 / 0 | Few Clouds |
| 8 | 8.1 / 0.9 | -10.1 / -23.7 | 6.4 / -6.6 | 38 / 8 | 1024.0 / 1016.1 | NW 30 / 0 | Partly Cloudy |
| 9 | 11.1 / 0.2 | -5.7 / -43.5 | 7.9 / -10.3 | 56 / 0 | 1016.7 / 1012.9 | NW 43 / 0 | Partly Cloudy |
| 10 | 16.2 / -0.7 | -19.8 / -41.1 | 15.3 / -7.4 | 19 / 0 | 1021.3 / 1016.6 | W 33 / 0 | Partly Cloudy |
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 11 | 21.5 / 4.4 | -2.0 / -36.7 | 21.3 / -1.3 | 40 / 0 | 1022.5 / 1019.3 | S 24 / 0 | Clear |
| 12 | 18.8 / 7.3 | 5.8 / -20.7 | 14.8 / -1.7 | 70 / 5 | 1024.3 / 1018.9 | W 43 / 0 | AM : Partly Cloudy |
| PM : Overcast / ThundrShwr | |||||||
| 13 | 16.5 / 2.4 | 3.4 / -27.1 | 16.5 / 10.4 | 76 / 3 | 1029.8 / 1022.0 | W 19 / 0 | Partly Cloudy |
| 14 | 25.7 / 7.9 | 5.6 / -34.3 | 24.2 / -3.9 | 63 / 0 | 1022.0 / 1000.0 | S 43 / 0 | AM : Partly Cloudy |
| PM : Overcast / ThundrShwr | |||||||
| 15 | 11.9 / -0.7 | 5.8 / -7.0 | 9.1 / -15.2 | 96 / 44 | 1025.4 / 1004.3 | N 33 / 0 | Partly Cloudy |
| 16 | 7.9 / -4.8 | -6.0 / -18.9 | 7.6 / -9.8 | 78 / 13 | 1033.4 / 1025.4 | N 24 / 0 | Partly Cloudy |
| 17 | 11.3 / -4.5 | -5.1 / -41.3 | 11.2 / -4.5 | 78 / 0 | 1036.1 / 1031.8 | N 17 / 0 | Partly Cloudy |
| 18 | 13.7 / -3.6 | -12.3 / -40.1 | 12.9 / -5.3 | 47 / 0 | 1035.8 / 1032.7 | N 24 / 0 | Clear |
| 19 | 17.0 / -1.0 | -10.6 / -39.2 | 16.9 / -1.0 | 45 / 0 | 1038.1 / 1034.3 | E 19 / 0 | Clear |
| 20 | 21.2 / 3.2 | -13.6 / -37.9 | 21.1 / -2.4 | 27 / 0 | 1035.8 / 1021.5 | E 25 / 0 | Clear |
| Day | Temperature ( C ) | Dewpoint ( C ) | Windchill ( C ) | Humidity ( % ) | Pressure ( mb ) | Wind ( kph ) | Weather |
| 21 | 27.6 / 9.8 | -4.7 / -37.8 | 27.3 / 2.9 | 29 / 0 | 1021.5 / 1005.9 | S 35 / 0 | Few Clouds |
| 22 | 12.8 / -1.7 | 0.5 / -4.7 | 10.8 / -15.1 | 97 / 29 | 1013.6 / 1007.8 | N 38 / 0 | Overcast / Rain / Snow |
| 23 | 10.7 / -2.4 | -0.3 / -17.8 | 10.4 / -3.2 | 98 / 1 | 1023.8 / 1012.7 | N 20 / 0 | Partly Cloudy |
| 24 | 17.6 / -1.7 | -8.4 / -37.8 | 17.6 / -1.7 | 55 / 0 | 1025.6 / 1015.3 | S 22 / 0 | Partly Cloudy |
| 25 | 15.8 / 7.4 | 4.1 / -13.6 | 13.4 / 0.1 | 63 / 12 | 1015.4 / 1009.0 | NW 54 / 0 | Partly Cloudy / Shwrs |
| 26 | 19.7 / 7.1 | 0.4 / -37.3 | 18.0 / 0.7 | 57 / 0 | 1012.5 / 1008.6 | W 43 / 0 | Partly Cloudy |
| 27 | 28.0 / 10.9 | -17.1 / -35.3 | 27.1 / 2.4 | 12 / 0 | 1014.7 / 1009.8 | S 33 / 0 | Partly Cloudy |
| 28 | 30.4 / 14.7 | 2.6 / -33.7 | 29.8 / 11.1 | 41 / 0 | 1012.6 / 1008.0 | W 24 / 0 | Partly Cloudy |
| 29 | 27.1 / 9.2 | 4.4 / -10.5 | 27.1 / 9.2 | 64 / 7 | 1012.9 / 1003.3 | SE 17 / 0 | Partly Cloudy |
| 30 | 26.2 / 15.3 | -3.2 / -33.6 | 18.1 / 12.0 | 56 / 0 | 1007.6 / 1001.7 | W 30 / NE 6 | Partly Cloudy |
| 31 | 28.3 / 13.8 | -5.1 / -36.8 | 27.9 / 10.1 | 24 / 0 | 1011.2 / 1007.3 | N 30 / 0 | Partly Cloudy |