The use of restriction enzymes as a tool for recombining, or joining, different DNA fragments was first illustrated in yet another classic paper, this time by Stanford University researchers Janet Mertz and Ronald Davis (Mertz & Davis, 1972).
Averages for Puerto Vallarta in February. The temperatures are still very warm in Puerto Vallarta, Mexico, in February, even though itâs still winter. Thanks to the cityâs location close to the equator, it enjoys good weather all year round providing the perfect place to head for a winter beach break â it certainly beats the cold European winter.
The highest day temperature in February 2016 was 91Â°F. The lowest night temperature was 64Â°F. The average values for day and night temperatures during February were 84.8Â°F Ð¸ 69.9Â°F respectivly. The average sea surface temperature in February 2016 for Puerto Vallarta was 81.1Â°F. The maximum and minimum values were 80.2Â°F and 81.8Â°F respectively. Sunny, Cloudy and Gloomy days. Most of the days in February are sunny but you can also expect cloudy and gloomy days. Precipitation total in February for Puerto Vallarta is 0.3 in. It makes february one of the least rainy months of the year. Wind Speed in February, mph. The average wind speed in February is 4.4 mph.