Trearddur Bay Highest recorded temperature: 29.6 °C on Jul 22, 2021 Lowest recorded temperature: -2.8 °C on Feb 11, 2021 Total recorded temperature range: 32.4 °C Highest recorded pressure: 1,047.14 hPa on Mar 29, 2020 Lowest recorded pressure: 965.79 hPa on Dec 28, 2020 Total recorded pressure range: 81.34 hPa Highest recorded wind speed: 64.3 Knots on Nov 27, 2021 Wettest day on record: Aug 17, 2020 with 36.2 mm of rain.
Trearddur Bay Temperature (°C) Maximum: 28 days: 21.7 7 days: 17.1 24hrs: 15.8 Today: 14.3 Minimum: 28 days: 10.1 7 days: 11.6 24hrs: 12.8 Today: 12.8 Average: 28 days: 14.2 7 days: 14.1 24hrs: 14.0 Today: 13.6 Dew Point (°C) Maximum: 28 days: 16.1 7 days: 14.3 24hrs: 13.6 Today: 13.5 Minimum: 28 days: 7.0 7 days: 9.3 24hrs: 10.7 Today: 11.2 Average: 28 days: 11.8 7 days: 12.2 24hrs: 12.4 Today: 12.2 Heat Index (°C) Maximum: 28 days: 21.7 7 days: 17.1 24hrs: 15.8 Today: 14.3 Minimum: 28 days: 10.1 7 days: 11.6 24hrs: 12.8 Today: 12.8 Average: 28 days: 14.2 7 days: 14.1 24hrs: 14.0 Today: 13.6 Wind Chill (°C) Maximum: 28 days: 21.7 7 days: 17.1 24hrs: 15.3 Today: 13.0 Minimum: 28 days: 5.5 7 days: 8.1 24hrs: 10.4 Today: 11.0 Average: 28 days: 12.9 7 days: 12.5 24hrs: 12.3 Today: 12.0 Wind Speed - 10 Minute Gust (Knots) Maximum: 28 days: 46.9 7 days: 46.9 24hrs: 36.5 Today: 27.8 Minimum: 28 days: 0.0 7 days: 0.0 24hrs: 3.5 Today: 5.2 Average: 28 days: 13.1 7 days: 17.2 24hrs: 17.1 Today: 13.9 Wind Speed - 10 Minute Average (Knots) Maximum: 28 days: 26.1 7 days: 26.1 24hrs: 25.2 Today: 21.7 Minimum: 28 days: 0.0 7 days: 0.9 24hrs: 3.5 Today: 3.5 Average: 28 days: 9.6 7 days: 12.3 24hrs: 12.7 Today: 10.5 Wind Run (NM's) Total: 28 days: 8,572.5 7 days: 2,750.7 24hrs: 417.8 Today: 133.5 Wind Direction (Compass) Average: 28 days: S by W 7 days: SSW 24hrs: S by W Today: SW by S Pressure (hPa) Maximum: 28 days: 1,027.43 7 days: 1,015.81 24hrs: 1,015.37 Today: 1,015.37 Minimum: 28 days: 996.58 7 days: 1,000.84 24hrs: 1,012.86 Today: 1,013.20 Average: 28 days: 1,014.96 7 days: 1,010.10 24hrs: 1,014.21 Today: 1,014.11 Precipitation (mm) Max(/h): 28 days: 13.0 7 days: 6.0 24hrs: 2.0 Today: 0.0 Totals: 28 days: 63.1 7 days: 35.0 24hrs: 3.2 Today: 0.4
Trearddur Bay Hour TempHi TempLo HeatHi HeatLo ChillHi ChillLo DewPHi DewPLo HumHi HumLo PresHi PresLo R/hHi R/hLo Rain AvWsHi AvWsLo GustHi GustLo WDir WRun SolHi SolLo UVHi UVLo 0 14.3 14.2 14.3 14.2 12.3 11.6 13.5 13.2 95 94 1,013.7 1,013.3 0.0 0.0 0.0 22 14 28 19 0 24.2 0 0 0.0 0.0 1 14.2 12.9 14.2 12.9 12.5 11.4 13.4 12.0 95 94 1,013.8 1,013.4 0.0 0.0 0.2 18 4 24 6 248 13.5 0 0 0.0 0.0 2 13.5 12.8 13.5 12.8 13.0 11.4 12.7 12.1 95 95 1,013.5 1,013.2 0.0 0.0 0.0 11 3 14 5 232 8.9 0 0 0.0 0.0 3 13.8 13.3 13.8 13.3 12.6 11.4 12.8 12.3 95 94 1,013.5 1,013.3 0.0 0.0 0.0 12 6 15 9 223 12.0 0 0 0.0 0.0 4 13.7 12.9 13.7 12.9 12.3 11.1 12.8 11.9 94 93 1,013.6 1,013.3 0.0 0.0 0.2 13 7 19 10 195 13.3 0 0 0.0 0.0 5 13.6 13.2 13.6 13.2 12.4 11.0 12.6 11.8 94 91 1,013.9 1,013.5 0.0 0.0 0.0 14 8 17 10 247 13.4 0 0 0.0 0.0 6 13.5 13.3 13.5 13.3 12.1 11.1 11.9 11.4 91 88 1,014.5 1,013.7 0.0 0.0 0.0 15 9 17 12 186 15.3 0 0 0.0 0.0 7 13.5 13.3 13.5 13.3 11.9 11.2 11.7 11.2 89 87 1,014.8 1,014.4 0.0 0.0 0.0 14 10 18 10 293 15.3 0 0 0.0 0.0 8 13.8 13.5 13.8 13.5 12.4 11.7 11.8 11.4 88 87 1,015.3 1,014.7 0.0 0.0 0.0 12 10 19 7 280 14.7 0 0 0.0 0.0 9 14.2 13.9 14.2 13.9 12.8 12.3 12.1 11.8 88 87 1,015.4 1,015.2 0.0 0.0 0.0 10 10 17 12 294 2.9 0 0 0.0 0.0 Daily High 14.3 14.2 14.3 14.2 13.0 12.3 13.5 13.2 95 95 1,015.4 1,015.2 0.0 0.0 0.2 22 14 28 19 - 24.2 0 0 0.0 0.0 Daily Low 13.5 12.8 13.5 12.8 11.9 11.0 11.7 11.2 88 87 1,013.5 1,013.2 0.0 0.0 0.0 10 3 14 5 - 2.9 0 0 0.0 0.0 Daily Average 13.8 13.3 13.8 13.3 12.4 11.4 12.5 11.9 92 91 1,014.2 1,013.8 0.0 0.0 0.0 14 8 19 10 220 13.4 0 0 0.0 0.0 Daily Total 0.4 133.5
Trearddur Bay Day TempHi TempLo TempAv HeatHi HeatLo HeatAv ChillHi ChillLo ChillAv DewPHi DewPLo DewPAv HumHi HumLo HumAv PresHi PresLo PresAv 1 15.8 13.1 14.2 15.8 13.1 14.2 15.3 10.4 12.8 13.6 10.7 12.5 94 82 90 1,015.3 1,012.9 1,014.2 2 14.3 12.8 13.6 14.3 12.8 13.6 13.0 11.0 12.0 13.5 11.2 12.2 95 87 91 1,015.4 1,013.2 1,014.1 Monthly High 15.8 13.1 14.2 15.8 13.1 14.2 15.3 11.0 12.8 13.6 11.2 12.5 95 87 91 1,015.4 1,013.2 1,014.2 Monthly Low 14.3 12.8 13.6 14.3 12.8 13.6 13.0 10.4 12.0 13.5 10.7 12.2 94 82 90 1,015.3 1,012.9 1,014.1 Monthly Average 15.0 12.9 13.9 15.0 12.9 13.9 14.1 10.7 12.4 13.5 10.9 12.4 94 84 91 1,015.3 1,013.0 1,014.2
Trearddur Bay Day R/hHi R/hLo R/hAv Rain Snow AvWsHi AvWsLo AvWsAv GustHi GustLo GustAv WDir WRun SolHi SolLo SolAv UVHi UVLo UVAv 1 2.0 0.0 0.0 2.8 0.0 25 1 11 36 2 15 214 343.6 0 0 0 0.0 0.0 0.0 2 0.0 0.0 0.0 0.4 0.0 22 3 11 28 5 14 220 133.5 0 0 0 0.0 0.0 0.0 Monthly High 2.0 0.0 0.0 2.8 0.0 25 3 11 36 5 15 - 343.6 0 0 0 0.0 0.0 0.0 Monthly Low 0.0 0.0 0.0 0.4 0.0 22 1 11 28 2 14 - 133.5 0 0 0 0.0 0.0 0.0 Monthly Average 1.0 0.0 0.0 1.6 0.0 23 2 11 32 3 14 217 238.6 0 0 0 0.0 0.0 0.0 Monthly Total 3.2 0.0 477.1
Trearddur Bay Temperature (°C) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 13.6 12.1 18.8 16.7 19.9 21.7 15.8 - - - - - 16.92 2021 10.2 11.4 14.0 19.2 22.2 23.2 29.6 20.4 27.4 17.3 14.3 12.8 18.50 2020 - - 14.2 20.4 23.5 28.4 22.6 23.7 23.9 15.5 15.4 12.5 20.02 Av: 11.9 11.8 15.7 18.7 21.9 24.4 22.6 22.1 25.7 16.4 14.8 12.6 18.48 Temperature (°C) (Minimum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 2.2 4.2 0.3 1.8 8.2 8.0 12.8 - - - - - 5.36 2021 -1.4 -2.8 -0.6 1.2 3.5 9.4 11.7 11.4 10.7 7.9 1.8 0.6 4.46 2020 - - 2.3 3.3 3.9 8.1 10.7 7.4 8.0 6.6 2.3 1.8 5.45 Av: 0.4 0.7 0.7 2.1 5.2 8.5 11.8 9.4 9.3 7.3 2.1 1.2 5.09 Temperature (°C) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 8.0 8.3 8.7 9.4 12.2 14.0 14.0 - - - - - 10.65 2021 5.9 6.2 7.6 8.0 10.5 13.8 16.7 15.6 15.9 13.5 10.6 8.3 11.05 2020 - - 7.6 10.4 12.2 14.0 14.5 16.1 14.8 11.9 10.5 7.8 11.97 Av: 6.9 7.2 7.9 9.2 11.6 13.9 15.1 15.9 15.4 12.7 10.6 8.0 11.22 Frost Days Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2022 0 0 0 0 0 0 0 - - - - - 0 2021 3 5 1 0 0 0 0 0 0 0 0 0 9 2020 - - 0 0 0 0 0 0 0 0 0 0 0 Av: 2 3 0 0 0 0 0 0 0 0 0 0 3 Windchill (°C) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 10.9 10.0 18.8 15.7 19.9 21.7 15.3 - - - - - 16.04 2021 9.7 11.4 14.0 19.2 22.2 23.2 29.6 20.4 27.4 16.8 13.9 11.3 18.25 2020 - - 14.2 20.4 23.5 28.4 22.6 23.7 23.9 13.4 14.9 10.3 19.54 Av: 10.3 10.7 15.7 18.4 21.9 24.4 22.5 22.1 25.7 15.1 14.4 10.8 17.95 Windchill (°C) (Minimum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 -1.3 -3.1 -3.6 -0.9 0.7 5.5 10.4 - - - - - 1.11 2021 -4.3 -7.0 -2.7 -4.1 -0.0 7.2 10.5 10.7 6.9 3.6 -1.7 -2.6 1.36 2020 - - -1.5 1.7 0.2 3.8 7.6 6.8 4.1 4.1 -0.0 -3.4 2.33 Av: -2.8 -5.0 -2.6 -1.1 0.3 5.5 9.5 8.7 5.5 3.8 -0.9 -3.0 1.60 Windchill (°C) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 5.2 4.5 6.5 7.3 10.5 12.8 12.5 - - - - - 8.47 2021 2.5 2.8 4.7 5.9 8.6 12.6 16.3 14.9 15.3 11.6 8.1 5.6 9.07 2020 - - 4.4 8.7 10.6 12.6 13.3 15.3 13.6 9.6 8.2 4.5 10.09 Av: 3.8 3.7 5.2 7.3 9.9 12.7 14.0 15.1 14.5 10.6 8.2 5.1 9.21 Heat Index(°C) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 13.6 12.1 18.8 16.7 19.9 21.7 15.8 - - - - - 16.92 2021 10.2 11.4 14.0 19.2 22.2 23.2 31.0 20.4 27.6 17.3 14.3 12.8 18.64 2020 - - 14.2 20.4 23.5 29.3 22.6 23.7 23.9 15.5 15.4 12.5 20.10 Av: 11.9 11.8 15.7 18.7 21.9 24.7 23.1 22.1 25.8 16.4 14.8 12.6 18.55 Heat Index(°C) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 8.0 8.3 8.7 9.4 12.2 14.0 14.0 - - - - - 10.65 2021 5.9 6.2 7.6 8.0 10.5 13.8 16.7 15.6 15.9 13.5 10.6 8.3 11.05 2020 - - 7.6 10.4 12.2 14.0 14.5 16.1 14.8 11.9 10.5 7.8 11.97 Av: 6.9 7.2 7.9 9.2 11.6 13.9 15.1 15.9 15.4 12.7 10.6 8.0 11.23 Wind Speed (Knots) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 44.3 58.2 46.9 47.8 37.4 46.9 36.5 - - - - - 45.43 2021 41.7 53.0 48.7 38.2 53.0 30.4 36.5 40.0 46.1 50.4 64.3 60.8 46.92 2020 - - 50.4 38.2 47.8 42.6 40.8 48.7 40.0 54.7 49.5 51.3 46.40 Av: 43.0 55.6 48.7 41.4 46.1 40.0 37.9 44.3 43.0 52.6 56.9 56.0 46.25 Wind Speed (Knots) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 11.3 16.3 8.4 8.9 9.5 9.2 10.9 - - - - - 10.63 2021 10.7 11.3 11.6 7.6 9.0 8.6 6.2 8.7 7.3 13.4 12.5 11.8 9.89 2020 - - 11.7 7.6 8.9 10.2 9.7 10.0 10.3 13.3 12.6 13.1 10.75 Av: 11.0 13.8 10.6 8.0 9.1 9.3 8.9 9.4 8.8 13.3 12.5 12.4 10.42 Wind Direction (Degrees) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 236 239 161 159 220 196 216 - - - - - 203.7 2021 176 165 227 188 225 202 193 195 186 237 247 195 203.0 2020 - - 179 136 184 189 234 185 228 209 210 215 196.8 Av: 206 202 189 161 210 196 214 190 207 223 229 205 201.2 Wind Run(NM's) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2022 10,877.8 14,211.5 8,136.0 8,274.5 9,164.2 8,632.8 477.1 - - - - - 59,774.0 2021 10,397.5 9,881.3 11,288.9 7,169.5 8,683.5 8,092.9 5,998.7 8,461.6 6,761.9 12,952.5 11,739.8 11,355.4 112,783.3 2020 - - 11,194.1 7,146.4 8,600.3 9,492.4 9,425.5 9,716.7 9,669.9 12,929.2 11,811.1 12,677.4 102,662.8 Av: 10,637.6 12,046.4 10,206.3 7,530.1 8,816.0 8,739.4 5,300.4 9,089.1 8,215.9 12,940.9 11,775.4 12,016.4 91,740.0 Pressure (hPa) (Maximum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 1,042.6 1,032.3 1,043.0 1,034.4 1,030.0 1,027.4 1,015.4 - - - - - 1,032.16 2021 1,030.3 1,043.5 1,038.3 1,037.1 1,030.6 1,028.8 1,031.9 1,034.9 1,035.8 1,034.5 1,036.3 1,043.0 1,035.42 2020 - - 1,047.1 1,031.8 1,039.3 1,026.5 1,030.4 1,025.3 1,028.0 1,030.4 1,041.1 1,036.0 1,033.58 Av: 1,036.5 1,037.9 1,042.8 1,034.4 1,033.3 1,027.6 1,025.9 1,030.1 1,031.9 1,032.4 1,038.7 1,039.5 1,033.72 Pressure (hPa) (Minimum) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 993.6 977.8 994.0 979.8 1,002.3 996.6 1,012.9 - - - - - 993.85 2021 976.9 985.9 976.1 1,009.5 984.4 1,009.3 995.7 991.4 1,001.4 976.4 983.3 967.4 988.16 2020 - - 993.6 986.6 994.6 997.2 996.2 982.5 989.0 979.1 983.6 965.8 986.82 Av: 985.2 981.8 987.9 992.0 993.8 1,001.0 1,001.6 987.0 995.2 977.7 983.5 966.6 989.61 Pressure (hPa) (Average) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Av. 2022 1,025.1 1,012.4 1,021.6 1,017.0 1,017.7 1,015.6 1,014.2 - - - - - 1,017.66 2021 1,011.4 1,011.7 1,021.1 1,024.8 1,009.4 1,020.1 1,015.7 1,017.4 1,018.0 1,012.0 1,018.5 1,010.7 1,015.91 2020 - - 1,018.3 1,017.8 1,022.6 1,013.0 1,016.4 1,012.2 1,016.2 1,007.3 1,016.3 1,001.1 1,014.12 Av: 1,018.3 1,012.1 1,020.4 1,019.9 1,016.6 1,016.2 1,015.5 1,014.8 1,017.1 1,009.7 1,017.4 1,005.9 1,015.90 Precipitation (mm) (Total) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2022 14.4 74.2 24.6 25.4 85.1 71.9 3.2 - - - - - 298.8 2021 91.0 72.2 31.0 6.6 89.9 19.7 17.4 37.2 79.6 168.8 38.6 82.2 734.2 2020 - - 25.8 12.2 7.6 63.0 81.6 127.0 61.3 89.4 77.7 115.7 661.4 Av: 52.7 73.2 27.1 14.7 60.9 51.5 34.1 82.1 70.4 129.1 58.2 99.0 564.8 Rain Days (>1.00 mm) Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Annual Tot. 2022 4 14 6 6 11 11 1 - - - - - 53 2021 15 13 6 2 9 5 5 10 9 16 12 19 121 2020 - - 8 3 1 14 17 13 10 16 13 21 116 Av: 10 14 7 4 7 10 8 12 10 16 13 20 97
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