Table 2 Description of the population and daily maximum daytime temperature (Tmax) and daily minimum nighttime temperature (Tmin) in the seven Swiss regions during summer months (June–August) in 2012–2014 and in 2015
From: Impact of the warm summer 2015 on emergency hospital admissions in Switzerland
Region (Cantons) | Populationa (%) | Station | Elevation (m) | Tmax (°C) Mean (range) | Number of days with Tmax ≥30 °C | Tmin (°C) Mean (range) | Number of days with Tmin ≥20 °C | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
2012–2014 | 2015 | 2012–2014b | 2015 | 2012–2014 | 2015 | 2012–2014b | 2015 | ||||
Northwestern Switzerland (Cantons AG, BL, BS) | 1 122 808 (13.6%) | Basel-Binningen | 316 | 24.6 (12.5–37.3) | 26.7 (16.6–37.0) | 11 | 28 | 14.5 (5.0–20.9) | 15.7 (8.4–22.3) | 2 | 11 |
Espace Mittelland (Canton BE, FR, JU, NE, SO) | 1 831 565 (22.1%) | Bern-Zollikofen | 553 | 23.4 (12.0–34.1) | 25.9 (16.5–36.8) | 8 | 26 | 12.8 (4.0–19.6) | 14.2 (6.7–20.0) | 0 | 1 |
Lake Geneva (Cantons GE, VD, VS) | 1 581 953 (19.1%) | Genève-Cointrin | 412 | 25.1 (14.1–34.5) | 28.1 (18.4–39.7) | 11 | 34 | 14.2 (7.0–21.3) | 15.7 (8.7–22.5) | 1 | 7 |
Zurich (ZH) | 1 456 217 (17.6%) | Zurich-Fluntern | 556 | 23.1 (11.2–35.1) | 25.8 (14.4–34.6) | 7 | 26 | 14.0 (4.4–22.4) | 15.6 (7.9–21.5) | 2 | 11 |
Ticino (TI) | 351 131 (4.2%) | Lugano | 273 | 26.4 (16.9–33.4) | 27.8 (19.3–33.9) | 12 | 27 | 17.7 (10.9–24.3) | 19.0 (13.1–25.4) | 20 | 31 |
Central Switzerland (Cantons LU, NW, OW, SZ, UR, ZG) | 786 362 (9.5%) | Luzern | 454 | 23.8 (12.2–34.9) | 26.1 (15.1–34.8) | 10 | 26 | 14.2 (6.9–21.7) | 15.8 (8.8–21.5) | 1 | 7 |
Eastern Switzerland (Cantons AI, AR, GL, GR, SH, SG, TG) | 1 148 946 (13.9%) | St. Gallen | 776 | 20.6 (9.9–33.3) | 22.8 (12.3–31.7) | 1 | 5 | 13.3 (3.0–21.8) | 15.1 (7.8–22.6) | 3 | 11 |