This spec is not a list of criteria but rather a starting point for users conducting engineering analyses and developing environmental criteria for specific materials and test specifications.

Categories of climate data included in MIL-STD-210 include:
  • Temperatures and humidity levels
  • Precipitation, including rain, snow, and hail
  • Atmospheric density and pressure
  • Ozone concentration
  • Wind speed
  • Diurnal cycles
MIL-STD-210 covers most land, sea, and air environments where military equipment may operate. This includes five “regional types.” Where relevant, listed data includes highest recorded, frequency of occurrence, and long-term extremes. In some cases, basic cycles are also included.

When developing material destined for an anomalous environment, such as a mountaintop or an icebreaking operation, or locations south of 60°S latitude, MIL-STD-210 should not be used. Additionally, MIL-STD-210 does not cover storage or transit conditions.

MIL-STD-210 includes extensive additional explanations on how data is collected and organized, relevant time intervals, and other important clarifications to help users understand the data and apply it most effectively. 

MIL-STD-210 is an extremely comprehensive reference document designed to give users a shared starting point when developing test specifications or new materials. This specification is a valuable source of climatic data and a useful tool for all departments and agencies of the Department of Defense.
 
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