Weekly total hours of weather conditions during the months of June (top) to August (bottom) 2018 at Avernas (a), Braffe (b), Perwez (c), Villiers-le-Peuplier (d), and Franc-Waret (e). Weather conditions are presented as the defined combinations of rainfall (R), relative humidity (RH), and temperature (T) being met simultaneously. RH_95: RH ≥ 95%; RH_90: RH ≥ 90%; DT_16: daytime T ≥ 16 °C; DT_20: daytime T ≥ 20 °C; NT_10: nighttime T ≥ 10 °C; NT_15: nighttime T ≥ 15 °C; NT_10_12: nighttime T between 10 °C and 12 °C; NT_18: nighttime T ≥ 18 °C. Daytime: 7.00 a.m. to 8.59 p.m.; nighttime: 9.00 p.m. to 6.59 a.m. the following day. (Note differences of scales on the y-axis.).