Meteorologists do not track spring by the stars. To keep weather statistics consistent, the World Meteorological Organization defines as a solid three-month block. In the Northern Hemisphere, it always starts on March 1 and ends on May 31. 2. Weather Anomalies and Global Phenology The Violent Clash of Air Masses
After a long winter, the world is finally waking up! 🌿 Here are some surprising facts about our favorite blooming season: facts about spring season
| Fact | Data | |------|------| | Length of spring (NH) | 92.8 days (March equinox to June solstice) | | Fastest daylight gain | Up to 3 min/day at 45° latitude | | Peak allergy pollen count | Up to 1,500 grains/m³ of air | | Cherry blossom bloom time | 2 weeks (from first pink to petal fall) | | Bird migration distance | Arctic tern: 44,000 miles round trip | Meteorologists do not track spring by the stars
There are two ways to define the dates of spring, which often causes confusion: which often causes confusion: