| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.78 | 0.03 |
| Feb | 2.27 | 2.33 | -0.06 |
| Mar | 2.65 | 2.76 | -0.11 |
| Apr | 3.23 | 3.25 | -0.02 |
| May | 3.48 | 3.50 | -0.02 |
| Jun | 4.00 | 4.35 | -0.35 |
| Jul | 4.40 | 4.50 | -0.10 |
| Aug | 3.97 | 3.97 | 0.00 |
| Sep | 3.29 | 3.41 | -0.12 |
| Oct | 4.34 | 4.42 | -0.08 |
| Nov | 3.01 | 3.18 | -0.17 |
| Dec | 3.40 | 3.45 | -0.05 |
40.85 | 41.90 | -1.05 |