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Projected Change of Climate Indices Averaged over Ontario
Reference Period: 1986-2005; 2050s: 2040-2069; 2080s: 2070-2099
| Index | Ref | RCP26_2050s | RCP45_2050s | RCP60_2050s | RCP85_2050s | RCP26_2080s | RCP45_2080s | RCP60_2080s | RCP85_2080s |
| 1 | Tm | 1.6 | 1.8 | 2.5 | 2.3 | 3.2 | 1.8 | 3.2 | 3.9 | 5.6 |
| 2 | Tx | 6.7 | 1.8 | 2.4 | 2.1 | 3.1 | 1.8 | 3.1 | 3.6 | 5.5 |
| 3 | Tn | -2.3 | 2 | 2.7 | 2.4 | 3.5 | 2 | 3.4 | 4.1 | 6.1 |
| 4 | Pr | 778.6 | 17.0 | 23.9 | 54.7 | 47.0 | 12.6 | 34.5 | 79.8 | 86.9 |
| 5 | CDD | 103.3 | 71.1 | 108.8 | 94.5 | 156.4 | 70.1 | 149.2 | 190.7 | 334.9 |
| 6 | HDD | 6093.4 | -588.8 | -794.8 | -698.2 | -1012.3 | -579 | -1023.2 | -1132 | -1716.7 |
| 7 | Cold_day | 34.3 | -14.1 | -19.5 | -17.2 | -23.4 | -13.4 | -23.4 | -25.3 | -30.1 |
| 8 | Cold_night | 34.7 | -16.8 | -21.6 | -21.3 | -25.7 | -15.9 | -25.5 | -28.2 | -31.2 |
| 9 | DTR | 8.7 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | -0.1 | -0.2 |
| 10 | FD | 188.8 | -17.1 | -21 | -19.4 | -27.5 | -16.4 | -28.3 | -31.4 | -48.4 |
| 11 | GSL | 163 | 14.2 | 17.9 | 17.3 | 22.9 | 13.9 | 24.1 | 28.6 | 41.4 |
| 12 | GSL_Start | 126.8 | -6.5 | -8.2 | -8 | -10 | -6 | -11.1 | -14.1 | -19 |
| 13 | GSL_End | 288.8 | 7.6 | 9.2 | 9.1 | 12.5 | 7.6 | 12.4 | 14.7 | 22 |
| 14 | Hot_day | 36.6 | 32.2 | 44.2 | 38 | 57.3 | 31.7 | 59.4 | 69.3 | 112.5 |
| 15 | Hot_night | 35.2 | 34.4 | 45.5 | 40.6 | 62.6 | 34.7 | 62.3 | 71.3 | 123.7 |
| 16 | HWDI_days | 8.9 | 3.7 | 5.1 | 3.7 | 7.2 | 3.6 | 7.3 | 7.7 | 19.1 |
| 17 | HWDI_period | 29.2 | 30.2 | 43.6 | 34.6 | 58.7 | 29.8 | 61.2 | 70.7 | 128 |
| 18 | HWDI_strength | 279.7 | 296 | 435.9 | 334.9 | 593 | 293.7 | 623.3 | 703.1 | 1394 |
| 19 | ID | 113.6 | -12.2 | -16.7 | -12.5 | -20 | -11.6 | -21.2 | -21.3 | -36.7 |
| 20 | SU | 26.3 | 13.7 | 20.1 | 17.4 | 26.7 | 13.8 | 26 | 32.4 | 49.6 |
| 21 | tnCSDI | 1.6 | -1.4 | -1.6 | -1.8 | -1.7 | -1.3 | -1.6 | -1.9 | -1.7 |
| 22 | TNn | -33.6 | 3 | 4.4 | 3.7 | 5.7 | 3.1 | 5.7 | 6.8 | 10.4 |
| 23 | TNx | 20.9 | 1.6 | 2.2 | 2 | 3.1 | 1.5 | 2.8 | 3.4 | 5.3 |
| 24 | TR | 3.3 | 2.4 | 4.5 | 5.4 | 8.3 | 2.4 | 7 | 12.7 | 22.6 |
| 25 | TXn | -25.1 | 2.9 | 4.2 | 3.3 | 5.4 | 2.8 | 5.3 | 6.2 | 9.6 |
| 26 | TXx | 31.1 | 1.6 | 2.4 | 2.1 | 3.3 | 1.6 | 3.1 | 3.6 | 5.8 |
| 27 | txWSDI | 3.6 | 12.1 | 18.3 | 15.9 | 27 | 12.6 | 27.7 | 36.8 | 74.4 |
| 28 | pr95pDays | 6.4 | 0.9 | 1 | 1.1 | 1.4 | 0.8 | 1.2 | 1.6 | 2.4 |
| 29 | pr95pTOT | 162.7 | 24.1 | 26.8 | 31.4 | 38.8 | 20.6 | 33.5 | 49.6 | 67.8 |
| 30 | pr99pDays | 1.3 | 0.2 | 0.3 | 0.2 | 0.5 | 0.2 | 0.4 | 0.5 | 0.8 |
| 31 | pr99pTOT | 48.2 | 8.4 | 9.1 | 10.8 | 16 | 6.2 | 13.3 | 21.3 | 32.7 |
| 32 | prCDD | 16.9 | -1.5 | -1.6 | -1.6 | -1.6 | -1.6 | -1.7 | -1.6 | -2 |
| 33 | prCWD | 7.1 | -0.1 | -0.2 | -0.2 | -0.2 | -0.1 | -0.1 | -0.2 | 0 |
| 34 | PRCPTOT | 737.5 | 48.9 | 50 | 51.2 | 65.6 | 45.5 | 60.6 | 75.4 | 106.3 |
| 35 | R1mm | 128 | 4 | 3.4 | 2.9 | 4 | 4 | 4.4 | 3.8 | 6.4 |
| 36 | R5mm | 47.9 | 3.1 | 2.8 | 2.4 | 3.6 | 2.7 | 3.4 | 3.6 | 5.5 |
| 37 | R10mm | 20.2 | 1.7 | 1.7 | 1.9 | 2.4 | 1.5 | 2.1 | 2.8 | 3.8 |
| 38 | R20mm | 4.9 | 0.6 | 0.7 | 0.9 | 1 | 0.5 | 0.8 | 1.3 | 1.7 |
| 39 | R25mm | 2.5 | 0.3 | 0.4 | 0.5 | 0.6 | 0.2 | 0.5 | 0.9 | 1.1 |
| 40 | RX1day | 37 | 0.5 | 0.7 | 0.8 | 1.7 | 0.2 | 1.3 | 2.6 | 4.3 |
| 41 | RX5day | 63.7 | 1.9 | 1.9 | 2 | 3.5 | 1.2 | 2.7 | 4.5 | 7.2 |
| 42 | SDII | 5.7 | 0.2 | 0.2 | 0.3 | 0.3 | 0.2 | 0.3 | 0.4 | 0.5 |
