| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.69 | 0.12 |
| Feb | 3.26 | 3.27 | -0.01 |
| Mar | 4.06 | 3.90 | 0.16 |
| Apr | 4.48 | 4.50 | -0.02 |
| May | 4.13 | 3.89 | 0.24 |
| Jun | 4.90 | 4.69 | 0.21 |
| Jul | 4.78 | 4.88 | -0.10 |
| Aug | 4.65 | 4.31 | 0.34 |
| Sep | 4.05 | 4.01 | 0.04 |
| Oct | 5.64 | 5.54 | 0.10 |
| Nov | 4.75 | 4.47 | 0.28 |
| Dec | 4.71 | 4.75 | -0.04 |
53.22 | 51.90 | 1.32 |