| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.75 | 4.73 | 0.02 |
| Feb | 4.78 | 4.77 | 0.01 |
| Mar | 4.91 | 4.79 | 0.12 |
| Apr | 4.07 | 4.10 | -0.03 |
| May | 3.96 | 4.05 | -0.09 |
| Jun | 4.40 | 4.30 | 0.10 |
| Jul | 4.85 | 4.88 | -0.03 |
| Aug | 4.27 | 4.37 | -0.10 |
| Sep | 4.03 | 4.05 | -0.02 |
| Oct | 3.50 | 3.54 | -0.04 |
| Nov | 4.15 | 4.18 | -0.03 |
| Dec | 4.66 | 4.71 | -0.05 |
52.33 | 52.47 | -0.14 |