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  2. Accumulated winter season severity index - Wikipedia

    en.wikipedia.org/wiki/Accumulated_Winter_Season...

    Values are assigned on a daily basis based on the maximum and minimum temperature, 24-hour snowfall and depth of snow on the ground. Values start being calculated at the start of winter. The start of winter is defined when any of these conditions are met: 1) daily maximum temperature ≤ 32 °F (0 °C), 2) first measurable snowfall or 3) it is ...

  3. List of weather records - Wikipedia

    en.wikipedia.org/wiki/List_of_weather_records

    Highest dew point temperature: A dew point of 35 °C (95 °F) — while the temperature was 42 °C (108 °F) — was observed at Dhahran, Saudi Arabia, at 3:00 p.m. on 8 July 2003. [ 201 ] Highest heat index : In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F).

  4. Snow - Wikipedia

    en.wikipedia.org/wiki/Snow

    A 2007 estimate of snow cover over the Northern Hemisphere suggested that, on average, snow cover ranges from a minimum extent of 2 million square kilometres (0.77 × 10 ^ 6 sq mi) each August to a maximum extent of 45 million square kilometres (17 × 10 ^ 6 sq mi) each January or nearly half of the land surface in that hemisphere.

  5. Climate of the Arctic - Wikipedia

    en.wikipedia.org/wiki/Climate_of_the_Arctic

    The result is winter temperatures that are lower than anywhere else in the Arctic, with average January temperatures of −45 to −30 °C (−49 to −22 °F), depending on location and on which data set is viewed. Minimum temperatures in winter over the higher parts of the ice sheet can drop below −60 °C (−76 °F)(CIA, 1978).

  6. Hardiness zone - Wikipedia

    en.wikipedia.org/wiki/Hardiness_zone

    X 1 = monthly mean of the daily minimum temperatures (°C) of the coldest month; X 2 = mean frost free period above 0 °C in days; X 3 = amount of rainfall (R) from June to November, inclusive, in terms of R/(R+a) where a=25.4 if R is in millimeters and a=1 if R is in inches; X 4 = monthly mean of the daily maximum temperatures (°C) of the ...

  7. Template talk:Weather box - Wikipedia

    en.wikipedia.org/wiki/Template_talk:Weather_box

    Notes ^ Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020. ^ Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to ...

  8. Temperature in Canada - Wikipedia

    en.wikipedia.org/wiki/Temperature_in_Canada

    The following tables show the average maximum and minimum temperatures of Canada of various cities across Canada, based on the climate period from 1981 to 2010 for the months of January and July (generally the lowest and highest average temperature months, but not in every case).

  9. Climate of Chicago - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Chicago

    In addition, the all-time record high minimum temperature of 85 °F (29 °C) was set on July 29, 1916. Chicago's yearly precipitation comes in at an average of about 36 inches (910 mm), but during the summer, rain arises from short-lived hit-or-miss rain rather than actual prolonged rainfalls, and thunderstorms also occur with regularity at night.