4 inch Soil Temperature Probabilities
This application computes soil temperature exceedance based on the observation record of a ISU Ag Climate site. The average daily 4 inch soil temperature is used in this calculation.
- Spring: The values represent the percentage of years that a temperature below the given threshold was observed after a given date.
- Fall: The values represent the percentage of years that a temperature below the given threshold was observed before a given date.
This application uses the legacy ISU Ag Climate
network for its computations. Data from the newer ISU Soil Moisture Network
is not considered.
Spring Probabilities
Given date to July 1rst
Date: | 50 | 45 | 40 | 35 | 32 | 28 | 23 |
---|---|---|---|---|---|---|---|
Jan 01 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
Jan 06 | 100 | 100 | 100 | 100 | 100 | 96 | 94 |
Jan 11 | 97 | 97 | 93 | 93 | 93 | 89 | 81 |
Jan 16 | 93 | 93 | 90 | 90 | 90 | 79 | 75 |
Jan 21 | 93 | 93 | 90 | 90 | 90 | 79 | 69 |
Jan 26 | 93 | 93 | 90 | 90 | 90 | 75 | 69 |
Jan 31 | 86 | 86 | 83 | 83 | 83 | 68 | 56 |
Feb 05 | 86 | 86 | 83 | 83 | 83 | 64 | 50 |
Feb 10 | 86 | 86 | 83 | 83 | 83 | 61 | 50 |
Feb 15 | 86 | 86 | 83 | 83 | 79 | 57 | 44 |
Feb 20 | 86 | 86 | 83 | 83 | 79 | 50 | 38 |
Feb 25 | 86 | 86 | 83 | 79 | 72 | 43 | 31 |
Mar 01 | 86 | 86 | 83 | 79 | 66 | 36 | 25 |
Mar 06 | 86 | 86 | 83 | 79 | 66 | 29 | 19 |
Mar 11 | 86 | 86 | 83 | 79 | 48 | 14 | 6 |
Mar 16 | 86 | 86 | 83 | 72 | 21 | 7 | 6 |
Mar 21 | 86 | 86 | 79 | 55 | 17 | 4 | 0 |
Mar 26 | 86 | 86 | 66 | 41 | 14 | 4 | 0 |
Mar 31 | 86 | 86 | 55 | 31 | 7 | 0 | 0 |
Apr 05 | 86 | 83 | 45 | 21 | 7 | 0 | 0 |
Apr 10 | 86 | 66 | 31 | 3 | 0 | 0 | 0 |
Apr 15 | 86 | 52 | 14 | 0 | 0 | 0 | 0 |
Apr 20 | 79 | 38 | 7 | 0 | 0 | 0 | 0 |
Apr 25 | 62 | 28 | 0 | 0 | 0 | 0 | 0 |
Apr 30 | 45 | 14 | 0 | 0 | 0 | 0 | 0 |
May 05 | 28 | 10 | 0 | 0 | 0 | 0 | 0 |
May 10 | 14 | 3 | 0 | 0 | 0 | 0 | 0 |
May 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
May 20 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
May 25 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
May 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jun 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jun 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jun 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jun 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jun 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jun 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Fall Probabilities
July 1rst to given date
Date: | 50 | 45 | 40 | 35 | 32 | 28 | 23 |
---|---|---|---|---|---|---|---|
Jul 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jul 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jul 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jul 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jul 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jul 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Jul 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aug 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aug 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aug 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aug 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aug 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aug 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sep 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sep 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sep 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sep 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sep 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sep 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Oct 04 | 12 | 0 | 0 | 0 | 0 | 0 | 0 |
Oct 09 | 36 | 12 | 4 | 0 | 0 | 0 | 0 |
Oct 14 | 56 | 20 | 4 | 0 | 0 | 0 | 0 |
Oct 19 | 72 | 32 | 4 | 0 | 0 | 0 | 0 |
Oct 24 | 96 | 68 | 12 | 0 | 0 | 0 | 0 |
Oct 29 | 100 | 84 | 32 | 4 | 0 | 0 | 0 |
Nov 03 | 100 | 92 | 48 | 28 | 8 | 6 | 0 |
Nov 08 | 100 | 100 | 68 | 32 | 12 | 6 | 0 |
Nov 13 | 100 | 100 | 84 | 48 | 20 | 6 | 0 |
Nov 18 | 100 | 100 | 92 | 56 | 32 | 6 | 0 |
Nov 23 | 100 | 100 | 96 | 68 | 44 | 19 | 11 |
Nov 28 | 100 | 100 | 100 | 76 | 60 | 25 | 11 |
Dec 03 | 100 | 100 | 100 | 92 | 68 | 44 | 11 |
Dec 08 | 100 | 100 | 100 | 96 | 76 | 50 | 11 |
Dec 13 | 100 | 100 | 100 | 100 | 80 | 56 | 33 |
Dec 18 | 100 | 100 | 100 | 100 | 88 | 56 | 44 |
Dec 23 | 100 | 100 | 100 | 100 | 100 | 94 | 56 |
Dec 28 | 100 | 100 | 100 | 100 | 100 | 100 | 89 |