I know that it is met Spring, but at my latitude, I use the vernal equinox as a delineation to Spring, as there really aren't enough pleasant days in March to consider it Spring. I actually consider both March and November throw-away months, or no-man's land, if you will. Neither month has enough snowy weather to be considered winter nor do they have enough nice pleasant days to enjoy as "Spring." (The once-in-a-lifetime Morch as the exception).