| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.81 | -0.03 |
| Feb | 4.78 | 4.82 | -0.04 |
| Mar | 4.99 | 4.94 | 0.05 |
| Apr | 4.08 | 4.14 | -0.06 |
| May | 3.93 | 3.98 | -0.05 |
| Jun | 4.63 | 4.50 | 0.13 |
| Jul | 4.66 | 4.72 | -0.06 |
| Aug | 4.55 | 4.54 | 0.01 |
| Sep | 4.11 | 4.27 | -0.16 |
| Oct | 3.69 | 3.65 | 0.04 |
| Nov | 4.27 | 4.32 | -0.05 |
| Dec | 4.70 | 4.85 | -0.15 |
53.17 | 53.54 | -0.37 |