Statistics as of 2:15 PM 04-Jun-2025 Highland Park Ravinia North Temperature (°F) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 51.0 58.4 79.2 84.8 91.7 86.2 - - - - - - 75.22 2024 43.5 74.2 72.7 80.3 90.1 99.1 94.1 99.6 89.0 83.4 68.4 54.7 79.09 2023 50.2 57.1 69.1 85.7 88.9 88.3 92.3 101.4 94.9 85.2 68.9 56.0 78.17 2022 42.3 52.5 73.9 82.8 89.7 97.1 90.5 92.7 83.2 78.1 75.6 58.0 76.37 2021 40.5 52.8 68.4 84.5 87.2 91.0 91.0 96.1 88.2 80.9 65.8 65.3 75.98 2020 50.5 54.7 65.6 78.8 85.3 92.9 94.9 93.4 85.5 80.5 75.6 56.6 76.19 2019 55.1 49.8 64.2 80.1 82.6 84.1 93.4 89.0 90.1 84.9 55.6 62.1 74.25 2018 56.6 63.7 55.9 78.6 90.3 96.1 92.3 94.9 91.2 85.5 52.3 53.5 75.91 2017 - - - - - - 84.0 84.1 94.7 80.1 63.1 64.0 78.33 Av: 48.7 57.9 68.6 81.9 88.2 91.9 91.6 93.9 89.6 82.3 65.7 58.8 76.61 Temperature (°F) (Minimum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 -8.4 -6.9 14.3 23.4 39.0 41.4 - - - - - - 17.13 2024 -10.9 11.6 23.1 28.5 43.0 46.3 57.4 52.3 46.0 33.9 12.9 3.2 28.94 2023 -2.8 -2.0 11.3 27.4 38.1 45.9 57.9 54.6 49.9 26.7 12.3 14.8 27.84 2022 -7.5 3.0 9.5 29.8 39.2 50.2 60.5 56.9 42.6 31.6 12.4 -10.0 26.52 2021 7.2 -8.2 17.7 23.3 34.3 50.4 55.7 58.7 51.4 37.6 17.2 11.1 29.70 2020 2.4 -3.9 22.1 25.4 29.1 49.1 61.5 53.5 45.1 26.6 26.6 7.9 28.78 2019 -22.3 -0.2 -3.1 26.4 37.8 48.0 57.6 55.6 54.4 28.1 10.0 9.3 25.13 2018 -8.2 -3.5 19.5 18.9 41.9 49.1 50.0 56.3 38.8 27.2 12.9 14.6 26.46 2017 - - - - - - 59.9 51.7 48.2 33.7 17.5 -4.8 34.37 Av: -6.3 -1.3 14.3 25.4 37.8 47.5 57.6 54.9 47.1 30.7 15.2 5.8 27.21 Temperature (°F) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 22.3 26.3 41.4 47.5 53.4 64.3 - - - - - - 42.55 2024 25.9 37.3 41.4 50.5 61.1 71.1 73.9 72.2 67.6 58.0 45.1 31.7 53.00 2023 30.7 32.6 36.6 49.7 56.7 65.2 71.5 71.8 66.3 54.0 41.2 38.1 51.20 2022 20.3 26.4 37.5 45.1 60.5 69.3 74.3 71.1 62.5 51.9 43.3 28.8 49.24 2021 28.8 20.0 42.2 49.3 58.1 71.3 72.1 74.6 68.3 58.5 39.7 36.7 51.62 2020 30.7 28.8 39.9 43.8 55.4 68.9 75.9 73.0 63.9 49.1 46.3 32.4 50.69 2019 21.6 26.2 33.4 47.3 54.2 62.6 73.9 70.6 67.7 50.4 34.8 34.4 48.10 2018 23.8 28.6 34.6 38.8 61.1 66.3 72.7 73.4 66.7 51.6 34.3 32.9 48.74 2017 - - - - - - 71.6 68.9 67.2 56.2 39.7 27.0 55.10 Av: 25.5 28.3 38.4 46.5 57.6 67.4 73.2 72.0 66.3 53.7 40.6 32.7 50.03 Frost Days Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2025 30 24 18 4 0 0 - - - - - - 76 2024 23 22 15 4 0 0 0 0 0 0 7 21 92 2023 21 21 18 6 0 0 0 0 0 2 16 15 99 2022 30 26 17 6 0 0 0 0 0 1 14 21 115 2021 29 25 11 4 0 0 0 0 0 0 18 22 109 2020 26 25 16 6 2 0 0 0 0 3 10 25 113 2019 29 25 23 2 0 0 0 0 0 1 17 21 118 2018 28 22 22 13 0 0 0 0 0 2 19 24 130 2017 - - - - - - 0 0 0 0 14 22 36 Av: 27 24 18 6 0 0 0 0 0 1 14 21 99 Windchill (°F) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 51.0 58.4 79.2 84.8 91.7 86.2 - - - - - - 75.22 2024 43.5 74.2 72.7 80.3 90.1 99.1 94.1 99.6 89.0 83.4 68.4 54.7 79.09 2023 50.2 57.1 69.1 85.7 88.9 88.3 92.3 101.4 94.9 85.2 68.9 56.0 78.17 2022 41.2 50.6 73.9 82.8 89.7 97.1 90.5 92.7 83.2 78.1 75.6 58.0 76.12 2021 40.5 52.8 68.4 84.5 87.2 91.0 91.0 96.1 88.2 80.9 65.8 65.2 75.97 2020 49.8 54.3 65.6 78.8 85.3 92.9 94.9 93.4 85.5 80.5 75.6 56.6 76.10 2019 54.6 48.4 64.2 80.1 82.6 84.1 93.4 89.0 90.1 84.9 55.4 62.1 74.08 2018 56.5 63.7 55.9 78.6 90.3 96.1 92.3 94.9 91.2 85.5 52.3 52.9 75.85 2017 - - - - - - 84.0 84.1 94.6 80.1 63.1 64.0 78.31 Av: 48.4 57.4 68.6 81.9 88.2 91.9 91.6 93.9 89.6 82.3 65.6 58.7 76.54 Windchill (°F) (Minimum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 -9.6 -7.1 14.3 23.4 39.0 41.4 - - - - - - 16.90 2024 -14.1 9.6 23.1 28.5 43.0 46.3 57.4 52.3 46.0 33.9 11.4 -0.5 28.08 2023 -2.8 -2.0 6.0 27.4 36.3 45.9 57.9 54.6 49.9 26.7 10.5 14.8 27.10 2022 -15.4 -3.1 -11.9 25.5 35.5 50.2 60.5 56.9 42.6 29.7 4.0 -19.3 21.26 2021 3.4 -16.2 17.7 18.2 34.3 50.4 55.7 58.7 51.0 37.6 14.5 8.1 27.79 2020 -8.8 -6.9 21.4 23.5 27.0 49.1 61.5 53.5 45.1 26.6 21.6 0.2 26.15 2019 -40.0 -8.3 -13.1 25.3 36.7 48.0 57.6 55.6 54.4 28.1 3.2 2.0 20.79 2018 -18.5 -10.8 14.8 13.1 39.8 49.1 32.0 56.3 38.8 27.2 11.2 13.5 22.21 2017 - - - - - - 59.9 51.7 48.2 30.0 13.1 -12.2 31.79 Av: -13.2 -5.6 9.0 23.1 36.5 47.5 55.3 54.9 47.0 30.0 11.2 0.8 24.67 Windchill (°F) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 21.6 26.0 41.1 47.4 53.4 64.3 - - - - - - 42.32 2024 25.5 37.0 41.2 50.5 61.1 71.1 73.9 72.2 67.6 58.0 45.1 31.4 52.88 2023 30.5 32.1 36.2 49.6 56.7 65.2 71.5 71.8 66.3 54.0 41.2 37.9 51.09 2022 16.7 22.9 35.9 44.1 60.3 69.3 74.3 71.1 62.5 51.8 42.1 27.8 48.23 2021 26.9 17.2 41.0 48.9 58.1 71.3 72.1 74.6 68.3 58.4 38.8 35.2 50.89 2020 28.8 26.3 38.7 43.0 55.1 68.9 75.9 73.0 63.9 49.1 45.4 30.5 49.88 2019 18.6 23.6 31.5 46.3 54.0 62.6 73.9 70.6 67.7 50.1 33.8 32.5 47.10 2018 20.2 26.5 33.1 37.4 61.0 65.2 72.7 73.4 66.7 51.6 33.2 32.0 47.75 2017 - - - - - - 71.6 68.9 67.2 56.0 39.0 24.3 54.51 Av: 23.6 26.5 37.3 45.9 57.5 67.3 73.2 72.0 66.3 53.6 39.8 31.5 49.40 Heat Index(°F) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 51.0 58.4 79.2 86.1 97.4 87.6 - - - - - - 76.61 2024 43.5 74.2 72.7 82.4 92.9 108.4 107.8 118.6 93.3 83.7 68.4 54.7 83.38 2023 50.2 57.1 69.1 85.7 92.5 94.1 104.2 126.5 102.2 85.9 68.9 56.0 82.70 2022 42.3 52.5 73.9 82.9 95.9 105.9 93.3 99.9 85.8 78.1 75.6 58.0 78.67 2021 40.5 52.8 68.4 84.5 87.6 91.0 100.3 106.9 88.8 83.2 65.8 65.3 77.93 2020 50.5 54.7 65.6 78.8 86.9 95.1 103.8 100.5 85.5 80.5 75.6 56.6 77.84 2019 55.1 49.8 64.2 80.1 82.6 84.9 108.4 90.0 95.5 91.7 55.6 62.1 76.67 2018 56.6 63.7 55.9 78.6 95.6 107.8 101.7 104.6 98.5 88.2 52.3 53.5 79.76 2017 - - - - - - 88.6 85.8 101.3 80.1 63.1 64.0 80.48 Av: 48.7 57.9 68.6 82.4 91.4 96.9 101.0 104.1 93.8 83.9 65.7 58.8 79.34 Heat Index(°F) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 22.3 26.3 41.4 47.5 53.5 64.6 - - - - - - 42.60 2024 25.9 37.3 41.4 50.5 61.1 71.8 74.2 73.1 67.7 58.0 45.1 31.7 53.16 2023 30.7 32.6 36.6 49.7 56.7 65.4 71.9 72.8 66.5 54.1 41.2 38.1 51.36 2022 20.3 26.4 37.5 45.1 60.7 69.6 74.8 71.5 62.5 51.9 43.3 28.8 49.36 2021 28.8 20.0 42.2 49.3 58.1 71.5 72.6 75.6 68.4 58.5 39.7 36.7 51.77 2020 30.7 28.8 39.9 43.8 55.5 69.1 76.8 73.5 63.9 49.1 46.3 32.4 50.82 2019 21.6 26.2 33.4 47.3 54.2 62.6 75.0 70.7 67.9 50.4 34.8 34.4 48.22 2018 23.8 28.6 34.6 38.8 61.2 67.1 73.2 74.0 67.0 51.7 34.3 32.9 48.94 2017 - - - - - - 71.8 68.9 67.5 56.2 39.7 27.0 55.19 Av: 25.5 28.3 38.4 46.5 57.6 67.7 73.8 72.5 66.4 53.7 40.6 32.7 50.16 Wind Speed (MPH) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 18.0 19.0 24.0 21.0 19.0 13.0 - - - - - - 19.00 2024 14.0 18.0 21.0 21.0 18.0 14.0 10.0 20.0 15.0 18.0 16.0 18.0 16.92 2023 18.0 25.0 20.0 30.0 14.0 13.0 16.0 15.0 13.0 16.0 15.0 14.0 17.42 2022 26.0 24.0 255.0 28.0 19.0 21.0 13.0 15.0 22.0 16.0 24.0 21.0 40.33 2021 24.0 22.0 27.0 19.0 21.0 16.0 18.0 26.0 29.0 21.0 22.0 27.0 22.67 2020 27.0 21.0 29.0 26.0 20.0 18.0 16.0 21.0 19.0 23.0 30.0 26.0 23.00 2019 24.0 33.0 26.0 27.0 21.0 23.0 16.0 19.0 15.0 20.0 31.0 23.0 23.17 2018 28.0 35.0 25.0 22.0 27.0 16.0 15.0 20.0 16.0 19.0 24.0 23.0 22.50 2017 - - - - - - 9.0 18.0 14.0 20.0 23.0 30.0 19.00 Av: 22.4 24.6 53.4 24.3 19.9 16.7 14.1 19.3 17.9 19.1 23.1 22.7 22.67 Wind Speed (MPH) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 1.0 0.7 1.2 1.1 0.5 0.6 - - - - - - 0.87 2024 0.7 1.0 1.2 1.0 0.5 0.6 0.8 0.4 0.3 0.7 0.6 0.7 0.70 2023 0.6 1.1 1.1 1.0 0.6 0.7 0.3 0.6 0.3 0.6 0.7 0.6 0.68 2022 2.9 3.3 2.5 2.9 1.6 0.7 0.4 0.5 0.6 1.1 2.4 1.2 1.68 2021 2.3 2.4 2.8 2.0 1.2 0.8 0.7 0.6 0.7 0.9 1.8 2.5 1.55 2020 2.4 2.8 2.7 2.3 1.6 0.9 0.7 0.6 1.0 1.1 2.5 2.3 1.73 2019 2.4 2.7 2.6 2.9 1.7 1.0 1.1 0.8 1.1 1.4 1.8 2.6 1.84 2018 3.2 2.6 2.3 2.5 1.7 0.8 0.5 0.6 0.6 1.2 1.7 1.3 1.58 2017 - - - - - - 0.5 0.7 0.6 1.3 1.6 2.8 1.24 Av: 1.9 2.1 2.1 2.0 1.2 0.8 0.6 0.6 0.7 1.0 1.6 1.7 1.32 Wind Direction (Degrees) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 154 149 136 116 112 161 - - - - - - 137.9 2024 129 147 121 129 144 173 201 171 149 164 157 152 153.3 2023 140 142 130 141 116 125 154 148 151 174 147 144 142.8 2022 220 218 188 202 154 179 153 133 122 216 239 146 180.9 2021 189 216 175 179 161 178 138 169 175 180 251 204 184.6 2020 219 199 177 167 156 166 174 193 176 185 238 221 189.4 2019 212 184 182 153 152 127 163 142 186 202 218 237 179.8 2018 211 205 160 174 185 251 243 233 191 189 200 194 203.1 2017 - - - - - - 253 227 216 202 228 232 226.4 Av: 184 183 159 158 148 170 185 177 171 189 210 191 177.6 Wind Run(miles) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2025 752.5 469.9 889.0 788.2 347.8 59.6 - - - - - - 3,307.0 2024 522.0 678.6 879.3 721.0 374.2 401.9 548.2 254.5 195.5 547.2 426.8 508.6 6,057.9 2023 415.2 745.2 832.6 709.8 463.1 454.3 184.8 375.5 208.0 426.0 474.2 461.5 5,750.0 2022 2,134.1 2,192.4 1,854.4 2,067.4 1,146.2 510.3 307.9 373.6 407.2 796.2 1,739.6 888.7 14,418.0 2021 1,654.4 1,591.6 2,089.7 1,443.3 837.6 570.9 488.1 437.7 526.5 640.8 1,266.3 1,840.7 13,387.5 2020 1,756.1 1,938.8 1,985.6 1,626.3 1,155.7 642.7 494.5 404.8 666.6 819.7 1,759.3 1,713.1 14,963.4 2019 1,777.4 1,772.9 1,925.9 2,029.5 1,294.4 696.3 831.3 569.6 781.5 1,001.8 1,300.3 1,881.8 15,862.6 2018 2,350.7 1,757.3 1,659.8 1,777.7 1,258.9 544.8 357.0 415.1 445.1 883.3 1,231.2 935.7 13,616.5 2017 - - - - - - 83.6 480.2 426.6 933.1 1,139.4 2,042.0 5,104.8 Av: 1,420.3 1,393.3 1,514.5 1,395.4 859.8 485.1 411.9 413.9 457.1 756.0 1,167.1 1,284.0 10,274.2 Pressure (inHg) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 30.73 30.78 30.35 30.28 30.24 29.89 - - - - - - 30.38 2024 30.75 30.53 30.34 30.33 30.17 30.11 30.09 30.17 30.21 30.41 30.37 30.83 30.36 2023 30.60 30.74 30.56 30.56 30.32 29.98 29.99 30.04 30.10 30.29 30.52 30.72 30.37 2022 30.74 30.61 30.50 30.37 30.31 30.17 30.10 30.13 30.47 30.39 30.63 30.58 30.42 2021 30.80 30.70 30.58 30.60 30.47 30.11 30.07 30.13 30.04 30.13 30.54 30.39 30.38 2020 30.94 30.83 30.70 30.34 30.29 30.31 30.00 30.01 30.36 30.36 30.53 30.61 30.44 2019 30.73 31.07 30.54 30.38 30.25 30.08 30.06 30.16 30.11 30.33 30.59 30.62 30.41 2018 30.91 30.92 30.60 30.52 30.18 30.13 30.27 30.09 30.31 30.51 30.69 30.72 30.49 2017 - - - - - - 30.06 30.16 30.37 30.25 30.66 30.97 30.41 Av: 30.77 30.77 30.52 30.42 30.28 30.10 30.08 30.11 30.25 30.33 30.57 30.68 30.41 Pressure (inHg) (Minimum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 29.35 29.27 28.83 29.26 29.01 29.50 - - - - - - 29.20 2024 28.87 29.00 29.21 29.02 29.24 29.31 29.54 29.48 29.52 29.44 29.29 29.42 29.28 2023 29.32 28.95 29.08 29.18 29.27 29.30 29.46 29.41 29.42 29.43 29.45 29.40 29.30 2022 29.43 29.41 28.93 29.23 29.15 29.46 29.30 29.51 29.53 29.43 29.18 29.33 29.32 2021 29.35 29.20 29.48 29.17 29.31 29.21 29.54 29.49 29.41 29.38 29.31 29.00 29.32 2020 29.46 29.33 29.27 29.21 29.52 29.14 29.47 29.35 29.39 29.32 29.15 29.29 29.32 2019 29.41 29.10 29.09 29.36 29.40 29.34 29.48 29.44 29.47 29.26 29.12 29.21 29.31 2018 29.35 29.35 29.59 29.46 29.35 29.53 29.38 29.53 29.49 29.35 29.34 29.21 29.41 2017 - - - - - - 29.68 29.47 29.46 29.30 29.34 29.25 29.42 Av: 29.32 29.20 29.19 29.24 29.28 29.35 29.48 29.46 29.46 29.36 29.27 29.26 29.32 Pressure (inHg) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2025 30.12 30.14 29.73 29.92 29.84 29.74 - - - - - - 29.92 2024 30.04 29.91 29.89 29.78 29.70 29.70 29.78 29.83 29.85 29.98 29.91 30.09 29.87 2023 29.98 29.97 29.98 29.84 29.92 29.72 29.72 29.75 29.88 29.85 30.02 29.99 29.88 2022 30.17 30.14 29.93 29.87 29.79 29.79 29.76 29.84 29.95 29.92 30.00 30.05 29.93 2021 30.06 30.20 30.08 29.84 29.99 29.74 29.83 29.80 29.79 29.80 30.03 29.89 29.92 2020 30.10 30.08 30.03 29.85 29.89 29.79 29.75 29.78 29.89 29.97 30.01 30.01 29.93 2019 30.16 30.12 30.12 29.87 29.83 29.78 29.79 29.79 29.86 29.89 30.05 29.97 29.94 2018 30.25 30.18 30.09 30.01 29.82 29.81 29.85 29.79 29.93 29.94 30.05 30.04 29.98 2017 - - - - - - 29.90 29.85 29.89 29.87 30.05 30.10 29.94 Av: 30.11 30.09 29.98 29.87 29.85 29.76 29.80 29.80 29.88 29.90 30.01 30.02 29.92 Precipitation (in) (Total) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2025 1.96 0.34 3.65 2.86 2.87 0.62 - - - - - - 12.30 2024 3.55 1.09 4.15 1.95 3.33 0.01 0.00 0.00 1.59 0.23 0.00 1.85 17.75 2023 2.29 3.33 6.10 3.32 0.96 0.30 5.16 1.70 0.03 0.00 1.31 4.70 29.20 2022 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.93 2.93 2021 0.00 0.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.45 2020 2.07 0.42 3.30 3.34 4.98 1.67 1.90 1.43 2.31 1.09 5.73 0.24 28.48 2019 0.21 2.07 1.63 2.94 0.28 1.54 5.28 4.08 7.57 4.72 1.61 1.18 33.11 2018 0.95 2.40 0.92 1.81 4.65 4.54 2.29 6.08 4.34 3.32 2.02 2.07 35.39 2017 - - - - - - 0.00 1.47 0.69 6.91 1.27 0.14 10.48 Av: 1.38 1.26 2.47 2.03 2.13 1.08 1.83 1.84 2.07 2.03 1.49 1.64 18.90 Rain Days (>0.04 in) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2025 4 1 14 9 6 2 - - - - - - 36 2024 6 3 8 5 12 0 0 0 4 1 0 8 47 2023 5 8 13 9 2 3 10 3 0 0 5 9 67 2022 0 0 0 0 0 0 0 0 0 0 0 5 5 2021 0 3 0 0 0 0 0 0 0 0 0 0 3 2020 7 4 9 12 9 8 5 4 10 2 1 1 72 2019 2 7 7 15 1 10 6 7 12 12 8 4 91 2018 4 7 4 8 10 8 10 13 9 11 10 4 98 2017 - - - - - - 0 4 2 10 6 1 23 Av: 4 4 7 7 5 4 4 4 5 5 4 4 49 |