Quercus Pollen at 200x magnification | Quercus Pollen at 500x magnification |
Year |
Start Date |
End Date |
Season Length |
Peak Conc. |
Date of Peak |
Season Total |
---|---|---|---|---|---|---|
1987 |
75 |
108 |
34 |
186 |
82 |
1312 |
1988 |
92 |
113 |
22 |
903 |
98 |
6954 |
1989 |
92 |
112 |
21 |
723 |
106 |
4849 |
1990 |
90 |
124 |
35 |
525 |
112 |
3088 |
1991 |
90 |
105 |
16 |
1420 |
95 |
8862 |
1992 |
67 |
115 |
49 |
257 |
99 |
2180 |
1993 |
102 |
120 |
19 |
1477 |
108 |
9003 |
1994 |
82 |
109 |
28 |
1045 |
91 |
7656 |
1995 |
85 |
106 |
22 |
604 |
99 |
4554 |
1996 |
102 |
118 |
17 |
2225 |
110 |
10271 |
Mean |
88 (3/29) |
113 (4/23) |
26 |
937 |
100 (4/10) |
5873 |
|