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How to Manage Pests

Degree-days: Reference Tables

| DD menu | About degree-days | Other reference tables |

Navel Orangeworm

Information about how to use this model in almonds or pistachios

To find total degree-days for a day, locate the minimum and maximum temperatures and follow the column and row to where they intersect. For odd-numbered temperatures, interpolate between numbers.

Lower Threshold: 55.0°F      Upper Threshold: 94.0°F      Method: Single Sine      Cutoff: Horizontal
Minimum temperatures
Max
temps		 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90
4800000000
50000000000
520000000000
5400000000000
56000000000001
580011111111123
6011111111222345
62222222222334567
642222333334456789
663333344445567891011
684444445556678910111213
704455555667789101112131415
725556666778891011121314151617
746666777888910111213141516171819
767777888999101112131415161718192021
7888888999101011121314151617181920212223
808999910101011111213141516171819202122232425
82991010101111111212131415161718192021222324252627
841010111111121212131314151617181920212223242526272829
86111111121212131314141516171819202122232425262728293031
8812121213131314141515161718192021222324252627282930313233
901313131414141515161617181920212223242526272829303132333435
921414141515151616171718192021222324252627282930313233343536
941415151516161717181819202122232425262728293031323334353637
961516161617171718191920212223242526272829303132333435363737
981616171717181819192021212223242526272829303132333435363738
1001617171718181919202021222324252627282930313233343435363738
1021717181818191920202122232424252627282930313233343536363738
1041718181819192020212122232425262728293031313233343536373738
1061818191919202021212223232425262728293031323333343536373738
1081819191920202121222223242526272828293031323334353536373838
1101919192020212121222323242526272829303131323334353536373838
1121919202020212122222324252526272829303132323334353636373838
1141920202021212222232324252627282829303132333334353636373838
1162020202121222222232424252627282929303132333434353637373838
1182020212121222223232425252627282930313132333435353637373838

Statewide IPM Program, Agriculture and Natural Resources, University of California
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