May 4 [Day 73] (Valley View site) The temperature rose to 4C between 1100 and 1200 from a low of 0C and fell to 2C after 1300, ground winds were N-NE generally light, ridge winds were moderate N and cloud cover was 100% altostratus and cumulus until 1300 when it thickened to low overcast and the light snow that had persisted all day became steady wet snow obscuring all the ridges. I gave up at 1430 without having seen a migrant raptor. 7.5 hours (837.4) No migrant raptors (2819)