1 On average, dogs have two cycles a year. 2  The estrus cycle lasts on average 12-21 days, but maybe be as short as a few days to four weeks. 3  The estrus period length varies widely between breeds and individual dogs. 4  The length of a cycle varies widely, even for dogs of the same breed. The estrus cycle lasts on average 12-21 days, but maybe be as short as a few days to four weeks. 2  The estrus period length varies widely between breeds and individual dogs. 3  The length of a cycle varies widely, even for dogs of the same breed. 4  If in doubt, assume the longer end of the range for the cycle length.
In most years, Salt Lake City averages a daily maximum temperature for April that's between 58 and 66 degrees Fahrenheit (14 to 19 degrees Celsius). The minimum temperature usually falls between 37 and 42 Â°F (3 to 6 Â°C). The days at Salt Lake City continue to warm steadily during April.
Average Temperatures for Utah in April. Average temperatures for April at cities, towns, parks and lakes throughout Utah are listed below in degrees Fahrenheit and Celsius. The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. You can jump to a separate table for each region of the state: North - Central Utah, Northeastern Utah, Southern Utah's Canyons and Western Utah.