| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.67 | -0.10 |
| Feb | 3.08 | 3.10 | -0.02 |
| Mar | 3.67 | 3.75 | -0.08 |
| Apr | 2.79 | 2.90 | -0.11 |
| May | 3.38 | 3.12 | 0.26 |
| Jun | 7.43 | 7.64 | -0.21 |
| Jul | 7.75 | 7.32 | 0.43 |
| Aug | 8.09 | 8.08 | 0.01 |
| Sep | 5.56 | 5.74 | -0.18 |
| Oct | 2.84 | 2.97 | -0.13 |
| Nov | 1.92 | 1.99 | -0.07 |
| Dec | 3.14 | 3.01 | 0.13 |
53.22 | 53.29 | -0.07 |