Koford, R. 1975 Journal White Cloud campground, 4300 ft., 11 mi. E Nevada City (by rd.), Nevada Co., Calif. 6 Aug. picked up the traps, releasing one ?. Then I left. Temp. at 0825 was 60°F at the collecting area, and the whole morning seemed cooler than the last few days. Sky clear, light. 18 Aug. I arrived at 1300, having gone through an area of rain at about 1800 ft. The ground was wet and the trees were dripping. Temp. was 52°F. It rained intermittently all afternoon and remained overcast, so I only spent a few minutes in the study area. Wind was 0-5 mph. 19 August I spent 1045-1230, 1515-1830 in the study area, seeing one unmarked squirrel but hearing no churring call. It had rained much of the previous night, stopping at about 0930. Then it was overcast until about 1145, when sharp shadows could be seen for about half an hour. It rained again from about 1230 to 1400. It remained mostly overcast until late afternoon, when it cleared. I found several piles of white fir scales and the distel couple ca. of the core in the north-central part of the study area and 2 freshly dug holes after the rain stopped. Temp. was 51°F at 1045, 54°?? In the late afternoon. Wind light. 20 August I spent 0830-1200, 1330-1745 in the study area, setting 14 traps there in mid-afternoon, closing them before I left. Temp was 55°F at 0830, wind 5-15 mph. There was ~50% clear cover all morning and most of the afternoon. The wind speed was about 5 mph around noon. Temp. at 1530 was 68°? In the late afternoon it clouded over completely and I heard thunder to the east. At 1730 it started to rain, lightly at first, then more heavily. It hailed for about 15 minutes