Back And Forth, But Crocus!

It's official, spring is imminent in Wisconsin.  Today was beautiful, sunny and getting into the mid-50's this afternoon, so I took a walk around the back yard today after arriving home.  I was hoping for, yet still surprised to see, the purple crocus coming up in the back yard.  Only three small clumps like this one, but surely many more to come.

Our weather has been back and forth recently, occasional bits of snow and/or cold mixed with sun and above freezing to very pleasant days like today.  As it usually is for us in spring, more so than fall, it seems.  Tomorrow is colder with rain expected, but the forecast is very encouraging, though still with some of that back and forth.  

I know the crocus are probably the first really encouraging sign of spring for me, as snowdrops are for others.  Aside from the better temperatures, there is spring training baseball, March Madness basketball, maybe seeing buds on the trees or the first robin, or in my case, Mom coming back home. What other occurrences help you change your mindset from winter to spring?