Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Cold Day, Very Hot Day, and Hot Night. (B) NET below 14°C or over 26°C. (C) Daily temperature range over 6.8°C. (D) Daily relative humidity below 58% or over 93%. (E) Daily atmospheric pressure over 1023.4hPa or below 1002.9hPa.
