| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 2.99 | -0.08 |
| Feb | 2.29 | 2.37 | -0.08 |
| Mar | 3.27 | 3.37 | -0.10 |
| Apr | 3.91 | 3.91 | 0.00 |
| May | 4.31 | 4.19 | 0.12 |
| Jun | 4.67 | 4.66 | 0.01 |
| Jul | 4.48 | 4.38 | 0.10 |
| Aug | 3.69 | 3.53 | 0.16 |
| Sep | 3.32 | 3.27 | 0.05 |
| Oct | 2.90 | 2.90 | 0.00 |
| Nov | 2.90 | 2.88 | 0.02 |
| Dec | 2.99 | 3.05 | -0.06 |
41.64 | 41.50 | 0.14 |