Definitions for "Noct"
Nominal Operating Cell Temperature. The solar cell temperature at a reference environment defined as 800 W/m2 irradiance, 20°C ambient air temperature, and 1 m/s wind speed with the cell or module in an electrically open circuit state.
Nominal Operating Cell Temperature, the temperature at which cells in a module operate under Standard Operating Conditions (SOC), which are: irradiance of 0.8 kW/m2, 20ºC ambient temperature, and average windspeed of 1 m./s, with the wind oriented parallel to the plane of the array, and all sides of the array fully exposed to the wind.
Nominal operating cell temperature. The photovoltaic cell junction temperature corresponding to nominal operating conditions in a standard reference environment of 1 KW per sqr m irradiance, 20 degrees C ambient air temperature, 1 m/s wind, and electrically open circuit.
Keywords:  night, referring
referring to the night ("nocturnum")