Weather, models & degree-days

RAI report for Upper Lake (UPL)

The grape powdery mildew risk assessment index (RAI) is useful for determining disease pressure and how often you need to spray to protect the vines. For information on how to use the RAI, see the pest management guideline.

Time Period: March 18, 2022 to September 29, 2022, retrieved on December 2, 2022 .

Date RAI Disease pressure Pathogen status Hours
70° ≤ Temp ≤ 85°
Hours
Temp > 95°
Notes
03/18/2022
0 N/A Not Present 1.9 0.00
03/19/2022 0 N/A Not Present 0.0 0.00
03/20/2022 0 N/A Not Present 0.0 0.00
03/21/2022 0 N/A Not Present 3.5 0.00
03/22/2022 20 N/A Not Present 8.8 0.00
03/23/2022 40 N/A Not Present 8.5 0.00
03/24/2022 60 high reproduces every 5 days 7.8 0.00
03/25/2022 50 moderate reproduces every 15 days 4.5 0.00
03/26/2022 40 moderate reproduces every 15 days 1.1 0.00
03/27/2022 30 moderate reproduces every 15 days 0.0 0.00
03/28/2022 20 low present 0.0 0.00
03/29/2022 10 low present 0.0 0.00
03/30/2022 0 low present 0.0 0.00
03/31/2022 0 low present 0.0 0.00
04/01/2022
0 low present 4.4 0.00
04/02/2022 0 low present 5.9 0.00
04/03/2022 0 low present 0.1 0.00
04/04/2022 0 low present 0.0 0.00
04/05/2022 0 low present 0.1 0.00
04/06/2022 20 low present 7.0 0.00
04/07/2022 10 low present 3.7 0.00
04/08/2022 30 moderate reproduces every 15 days 7.5 0.00
04/09/2022 20 low present 0.1 0.00
04/10/2022 10 low present 0.0 0.00
04/11/2022 0 low present 0.0 0.00
04/12/2022 0 low present 0.0 0.00
04/13/2022 0 low present 0.0 0.00
04/14/2022 0 low present 0.0 0.00
04/15/2022 0 low present 0.0 0.00
04/16/2022 0 low present 0.0 0.00
04/17/2022 0 low present 0.0 0.00
04/18/2022 0 low present 0.0 0.00
04/19/2022 0 low present 0.0 0.00
04/20/2022 0 low present 0.0 0.00
04/21/2022 0 low present 0.0 0.00
04/22/2022 0 low present 0.0 0.00
04/23/2022 0 low present 0.1 0.00
04/24/2022 20 low present 6.4 0.00
04/25/2022 10 low present 3.1 0.00
04/26/2022 0 low present 0.0 0.00
04/27/2022 0 low present 0.0 0.00
04/28/2022 0 low present 0.0 0.00
04/29/2022 0 low present 0.0 0.00
04/30/2022 0 low present 0.0 0.00
05/01/2022
0 low present 5.4 0.00
05/02/2022 0 low present 0.0 0.00
05/03/2022 20 low present 6.8 0.00
05/04/2022 40 moderate reproduces every 15 days 9.8 0.00
05/05/2022 30 moderate reproduces every 15 days 0.0 0.00
05/06/2022 20 low present 0.0 0.00
05/07/2022 10 low present 0.0 0.00
05/08/2022 0 low present 0.0 0.00
05/09/2022 0 low present 0.0 0.00
05/10/2022 0 low present 0.0 0.00
05/11/2022 0 low present 0.0 0.00
05/12/2022 0 low present 0.0 0.00
05/13/2022 0 low present 0.6 0.00
05/14/2022 20 low present 9.7 0.00
05/15/2022 10 low present 5.5 0.00
05/16/2022 0 low present 4.4 0.00
05/17/2022 20 low present 8.4 0.00
05/18/2022 40 moderate reproduces every 15 days 11.6 0.00
05/19/2022 60 high reproduces every 5 days 7.5 0.00
05/20/2022 80 high reproduces every 5 days 7.1 0.00
05/21/2022 100 high reproduces every 5 days 9.7 0.00
05/22/2022 100 high reproduces every 5 days 9.4 0.00
05/23/2022 100 high reproduces every 5 days 10.8 0.00
05/24/2022 90 high reproduces every 5 days 5.2 0.00
05/25/2022 80 high reproduces every 5 days 3.0 0.00
05/26/2022 100 high reproduces every 5 days 11.1 0.00
05/27/2022 100 high reproduces every 5 days 6.4 0.00
05/28/2022 90 high reproduces every 5 days 0.0 0.00
05/29/2022 80 high reproduces every 5 days 0.0 0.00
05/30/2022 70 high reproduces every 5 days 0.5 0.00
05/31/2022 90 high reproduces every 5 days 9.0 0.00
06/01/2022
100 high reproduces every 5 days 10.9 0.00
06/02/2022 100 high reproduces every 5 days 11.0 0.00
06/03/2022 100 high reproduces every 5 days 6.5 0.00
06/04/2022 90 high reproduces every 5 days 0.0 0.00
06/05/2022 80 high reproduces every 5 days 4.4 0.00
06/06/2022 100 high reproduces every 5 days 8.4 0.00
06/07/2022 100 high reproduces every 5 days 10.4 0.00
06/08/2022 100 high reproduces every 5 days 10.5 0.00
06/09/2022 100 high reproduces every 5 days 10.3 0.00
06/10/2022 100 high reproduces every 5 days 10.3 0.00
06/11/2022 100 high reproduces every 5 days 13.5 0.00
06/12/2022 90 high reproduces every 5 days 0.0 0.00
06/13/2022 80 high reproduces every 5 days 2.3 0.00
06/14/2022 100 high reproduces every 5 days 9.6 0.00
06/15/2022 100 high reproduces every 5 days 10.0 0.00
06/16/2022 90 high reproduces every 5 days 0.1 0.00
06/17/2022 80 high reproduces every 5 days 0.0 0.00
06/18/2022 70 high reproduces every 5 days 0.0 0.00
06/19/2022 90 high reproduces every 5 days 8.5 0.00
06/20/2022 80 high reproduces every 5 days 5.0 0.00
06/21/2022 70 high reproduces every 5 days 2.3 1.87
06/22/2022 60 high reproduces every 5 days 2.1 5.26
06/23/2022 50 moderate reproduces every 15 days 2.7 0.07
06/24/2022 40 moderate reproduces every 15 days 2.5 2.43
06/25/2022 30 moderate reproduces every 15 days 2.6 4.41
06/26/2022 20 low present 2.5 3.59
06/27/2022 10 low present 2.6 0.00
06/28/2022 0 low present 5.4 0.00
06/29/2022 0 low present 3.1 0.00
06/30/2022 0 low present 4.2 0.00
07/01/2022
0 low present 4.3 0.00
07/02/2022 20 low present 6.8 0.00
07/03/2022 10 low present 5.1 0.00
07/04/2022 0 low present 4.6 0.00
07/05/2022 20 low present 10.1 0.00
07/06/2022 40 moderate reproduces every 15 days 7.4 0.00
07/07/2022 60 high reproduces every 5 days 9.9 0.00
07/08/2022 50 moderate reproduces every 15 days 4.2 0.00
07/09/2022 70 high reproduces every 5 days 12.0 0.00
07/10/2022 60 high reproduces every 5 days 3.0 0.19
07/11/2022 50 moderate reproduces every 15 days 2.2 5.29
07/12/2022 40 moderate reproduces every 15 days 3.5 1.33
07/13/2022 30 moderate reproduces every 15 days 3.3 0.00
07/14/2022 20 low present 3.9 0.00
07/15/2022 10 low present 2.5 0.31
07/16/2022 0 low present 2.1 3.23
07/17/2022 0 low present 2.3 2.64
07/18/2022 0 low present 2.1 3.55
07/19/2022 0 low present 1.8 2.96
07/20/2022 0 low present 2.1 4.50
07/21/2022 0 low present 1.7 1.90
07/22/2022 0 low present 2.5 0.01
07/23/2022 0 low present 2.2 1.79
07/24/2022 0 low present 1.9 4.74
07/25/2022 0 low present 2.2 4.83
07/26/2022 0 low present 3.8 4.10
07/27/2022 0 low present 2.4 3.88
07/28/2022 0 low present 3.2 5.83
07/29/2022 0 low present 2.8 6.71
07/30/2022 0 low present 3.9 2.66
07/31/2022 0 low present 5.8 1.42
08/01/2022
20 low present 13.6 0.00
08/02/2022 10 low present 3.9 1.64
08/03/2022 0 low present 3.8 3.41
08/04/2022 0 low present 2.0 4.88
08/05/2022 0 low present 4.1 0.00
08/06/2022 0 low present 3.4 0.00
08/07/2022 0 low present 4.0 0.00
08/08/2022 0 low present 3.7 0.00
08/09/2022 0 low present 5.0 0.00
08/10/2022 0 low present 5.5 0.00
08/11/2022 0 low present 3.6 0.00
08/12/2022 0 low present 3.9 0.00
08/13/2022 0 low present 2.6 0.00
08/14/2022 0 low present 3.5 0.10
08/15/2022 0 low present 2.3 3.00
08/16/2022 0 low present 1.9 5.49
08/17/2022 0 low present 3.4 1.97
08/18/2022 0 low present 2.6 5.77
08/19/2022 0 low present 4.3 3.91
08/20/2022 0 low present 1.9 6.28
08/21/2022 0 low present 5.6 3.32
08/22/2022 20 low present 6.4 0.00
08/23/2022 10 low present 2.3 2.17
08/24/2022 0 low present 2.3 4.68
08/25/2022 0 low present 3.1 0.16
08/26/2022 0 low present 2.5 1.26
08/27/2022 0 low present 2.7 0.00
08/28/2022 0 low present 3.0 0.00
08/29/2022 0 low present 3.2 0.00
08/30/2022 0 low present 2.4 0.01
08/31/2022 0 low present 2.0 2.88
09/01/2022
0 low present 1.8 5.10
09/02/2022 0 low present 3.5 4.23
09/03/2022 0 low present 2.9 0.00
09/04/2022 0 low present 2.6 5.47
09/05/2022 0 low present 2.3 7.46
09/06/2022 0 low present 3.1 7.86
09/07/2022 0 low present 2.1 7.13
09/08/2022 0 low present 1.5 7.26
09/09/2022 0 low present 2.5 5.28
09/10/2022 0 low present 3.7 0.00
09/11/2022 20 low present 11.1 0.00
09/12/2022 10 low present 3.2 0.00
09/13/2022 30 moderate reproduces every 15 days 6.5 0.00
09/14/2022 20 low present 5.2 0.00
09/15/2022 40 moderate reproduces every 15 days 6.9 0.00
09/16/2022 60 high reproduces every 5 days 8.5 0.00
09/17/2022 50 moderate reproduces every 15 days 0.8 0.00
09/18/2022 40 moderate reproduces every 15 days 0.0 0.00
09/19/2022 30 moderate reproduces every 15 days 0.1 0.00
09/20/2022 20 low present 0.0 0.00
09/21/2022 10 low present 0.9 0.00
09/22/2022 30 moderate reproduces every 15 days 7.4 0.00
09/23/2022 50 moderate reproduces every 15 days 8.7 0.00
09/24/2022 40 moderate reproduces every 15 days 3.4 0.00
09/25/2022 30 moderate reproduces every 15 days 3.1 0.00
09/26/2022 20 low present 2.6 0.00
09/27/2022 40 moderate reproduces every 15 days 9.0 0.00
09/28/2022 60 high reproduces every 5 days 7.7 0.00