| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.99 | -0.10 |
| Feb | 4.35 | 4.47 | -0.12 |
| Mar | 4.62 | 4.70 | -0.08 |
| Apr | 4.40 | 4.53 | -0.13 |
| May | 4.97 | 5.05 | -0.08 |
| Jun | 4.02 | 4.08 | -0.06 |
| Jul | 3.53 | 3.39 | 0.14 |
| Aug | 2.85 | 2.99 | -0.14 |
| Sep | 3.88 | 3.93 | -0.05 |
| Oct | 4.53 | 4.60 | -0.07 |
| Nov | 4.04 | 4.03 | 0.01 |
| Dec | 4.78 | 4.77 | 0.01 |
49.86 | 50.53 | -0.67 |