Woody Ornamental Integrated Pest Management at Penn State
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Previous GDD Readings

Pest Activity > Previous GDD Readings

2007

Month
Day

Uniontown

PGH

Wexford
Prospect
March
14
17
14
11
7
 
21
26
22
18
13
28
82
77
72
66
April
4
140
130
112
111
   
11
142
130
113
112
18
143
130
113
112
25
196
190
165
160
May 
2
257
250
209
201
 
9
332
324
276
266
16
457
442
379
367
23
512
505
415
414
30
679
670
540
539
June 
6
802
790
675
672
13
927
912
792
787
20
27

2006

Month
Day

Union
town

New
Stanton

PGH
Prospect
March
1
 
8
15
**
22
12
22
**
22
12
   
29
**
29
14
April
5
**
59
**
12
92
86
89
52
 
19
148
151
159
77
 
26
170
174
194
95
May
3
185
290
303
108
10
236
352
367
149
17
286
413
156
 
24
489
512
160
31
556
580
216
June
7
433
669
697
252
14
488
728
761
276
 
21
28
   
** - denotes problems with equipment

2005

Month
Day

Union
town

New
Stanton

PGH
Prospect
Mercer
March
2
0
0
0
 
9
4
16
4
23
6
   
30
13
April
6
41
40
42
42
13
98
 
20
***
151
168
133
176
 
27
218
166
185
152
187
May
4
237
176
197
155
197
11
336
238
267
212
276
18
465
354
388
270
337
 
25
538
410
463
311
375
June
1
8
15
 
22
29
Month
Day
Franklin
Meadville
Erie
Harbor
Creek
March
2
 
9
       
16
       
23
   
30
April
6
40
31
18
28
13
66
61
38
41
 
20
116
112
116
73
 
27
143
121
98
77
May
4
175
123
104
78
11
246
182
127
117
18
331
227
206
135
 
25
404
258
243
158
June
1
8
15
 
22
29

*** Equipment calibration error

 

2004

Month
Day

Union
town

New
Stanton

PGH
Wexford
Prospect
Mercer
March
10
20
18
17
12
10
10
 
17
23
21
19
13
10
10
24
36
32
29
22
10
10
31
80
xx
57
47
33
40
   April
7
81
65
60
47
33
40
14
85
69
61
49
34
42
21
151
139
131
109
91
98
 
28
175
xx
198
152
113
125
 May
5
213
261
268
212
152
170
12
xx
364
411
293
235
262
19
xx
465
514
402
312
358
26
xx
609
662
535
407
485
 June
2
810
712
769
613
442
559
9
16
23
 
30
July
7
Month
Day
Franklin
Meadville
Erie
Harbor
Creek
March
10
12
11
8
9
 
17
12
11
8
9
24
12
12
8
10
31
36
36
27
31
  April 
7
36
38
28
32
14
37
40
31
34
21
xx
109
78
106
 
28
130
132
104
137
 May
5
180
175
143
186
12
273
292
238
307
19
xx
382
317
456
26
463
491
414
581
 June
2
505
567
489
679
9
16
23
 
30
July
7

2003

Month
Day

Union
town

New
Stanton

PGH
Wexford
Prospect
Mercer
March
12
13
3
 
 
0
1
 
19
78
35
 
28
19
34
26
111
56
62
45
24
51
 April
2
149
92
98
72
29
75
  
9
216
125
135
93
40
95
16
303
172
183
145
52
135
23
359
211
225
165
70
 
 
30
448
258
288
239
91
 
 May
7
 
 
 
 
 
 
14
530 
338 
383 
312 
 
277 
21
681 
450 
496 
344 
 
370 
28
743 
515 
565 
421 
 
408 
 June
4
802 
554 
640 
 
 
450 
11
929 
635 
730 
 
 
527 
18
 
 
 
 
 
 
25
 
 
 
 
 
 
July
2
 
 
 
 
 
 
Month
Day
Franklin
Meadville
Erie
Harbor
Creek
March
12
0
0
s0
0
 
19
24
12
14
26
34
25
21
 April
2
57
41
38
  
9
69
45
38
16
107
87
23
 
30
 May
7
14
247
205
165
21
357
307
245
28
400
341
271
 June
4
451
396
314
11
538
444
18
25
July
2

 

2002

Month
Day

Union
town

New Stanton
PGH
Wexford
Prospect
Mercer
March
6
0
0
0
0
0
 
13
27
23
26
17
15
4
 
20
53
44
43
37
32
9**
 
27
55
44
43
37
32
9
  April
3
84
68
63
58
47
20
 
10
110
91
92
84
61
33
 
17
195
172
170
149
114
101
 
24
262
237
256
211
179
167
 May
1
295
263
286
230
197
187
8
364
323
343
280
242
236
 
15
 
390
413
338
297
289
 
22
474
415
443
360
315
317
 
29
567
511
531
440
409
402
June
5
712
638
676
580
531
526
 
12
849
760
804
698
668
654
 
19
962
865
916
831
767
754
 
26
1119
1055
1113
1031
958
929
Month
Day
Franklin
Meadville
Erie
Fairview
Harbor
Creek
March
6
 
 
 
 
 
 
13
12
17
13
11
11
 
20
29
29
21
15
17
 
27
29
29
21
15
17
  April
3
44
37
25
16
20
 
10
56
48
32
24
24
 
17
139
116
103
92
86
 
24
209
187
164
131
115
 May
1
238
199
179
139
123
8
284
240
218
168
157
 
15
333
283
246
187
180
 
22
366
300
270
203
191
 
29
447
365
337
250
266
June
5
577
505
449
343
355
 
12
693
614
569
451
451
 
19
822
713
649
529
527
 
26
1022
896
819
686
674

 

2001

Month
Day
Uniontown
New Stanton
Prospect
Wexford
March
7
1
1
1
1
 
14
4
1
1
1
 
21
6
1
1
1
 
28
7
5
1
3
 April
4
14
5
1
3
 
11
114
86
56
74
 
18
176 
125
-
105
 
25
240 
171
90
145
 May
2
331
220
146
190
 
9
422
312
232
280
 
16
490
372
280
335
 
23
573
448
347
410
 
30
648
494
385
458
June
6
732
553
425
506
 
27
979
804

 

2000

Month
Day
Uniontown
New Stanton
Prospect
Fox Chapel
March
22
59
49
51
52
 
29
90
70
69
73
April
5
118
93
80
93
 
12
137
101
84
100
 
19
186
141
110
147
 
26
224
172
121
174
May
3
 262
214 
146 
214 
 
10
 408
 333
 227
 358
 
17
511 
402 
259 
454 
 
24
521 
511 
279 
 516
 
31
660 
558 
284 
 577

 

1999

Month
Day
Uniontown
New Stanton
Prospect
Fox Chapel
March
17
-
-
-
-
 
24
-
-
-
-
 
31
28
20
16
April
7
88
77
51
87
 
14
144
109
61
116
 
21
149
114
70
123
 
28
195
162
91
171
May
5
275
247
244
 
12
377
326
233
346
 
19
510
422
310
405
 
26
551
486
352
466
June
2
662
588
430
584
 
9
805
723
514
743
 
16
957
829
627
846
 
23
1055
913
703
-
 
30
1232
1106
813
-

 

1998

Month
Day
Uniontown
New Stanton
Prospect
Fox Chapel
March
25
12
10
2
5
April
1
126
126
-
117
 
8
155
142
85
133
 
15
188
178
107
162
 
22
230
203
129
190
 
29
266
233
154
235
May
6
326
291
198
-
 
13
401
359
261
337
 
27
630
575
461
557
June
3
757
691
575
675
 
10
-
726
605
708
 
17
914
841
699
810

 

1997

Month
Day
Uniontown
New Stanton
Prospect
Fox Chapel
March
13
9
-
-
-
 
20
11
-
12
-
 
27
27
28
20
-
April
3
-
-
39
-
 
10
106
103
74
83
 
17
119
111
79
88
 
24
127
117
84
96
May
1
163
150
112
126
 
8
-
185
128
-
 
15
228
206
144
173
 
22
279
254
177
213
 
29
342
318
223
-
June
5
421
385
279
328

 

1996

Month
Day
Uniontown
New Stanton
Prospect
Fox Chapel
March
20
12
-
3
-
 
27
20
-
5
-
April
3
31
35
19
-
 
10
48
40
32
39
 
17
89
79
56
74
 
24
168
157
117
143
May
1
222
202
132
178
 
8
264
252
157
212
 
15
323
294
204
258
 
23
447
412
305
370
 
30
515
488
352
429
June
5
598
562
426
499
 
12
741
702
551
622
 
20
905
836
701
-
 
26
1038
971
833
-
 

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