| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.50 | -0.11 |
| Feb | 2.75 | 2.87 | -0.12 |
| Mar | 4.13 | 4.29 | -0.16 |
| Apr | 3.67 | 3.66 | 0.01 |
| May | 3.66 | 3.81 | -0.15 |
| Jun | 4.31 | 4.32 | -0.01 |
| Jul | 4.53 | 4.65 | -0.12 |
| Aug | 4.33 | 4.60 | -0.27 |
| Sep | 4.74 | 4.73 | 0.01 |
| Oct | 3.94 | 4.17 | -0.23 |
| Nov | 3.25 | 3.24 | 0.01 |
| Dec | 4.07 | 4.32 | -0.25 |
46.77 | 48.16 | -1.39 |