| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.56 | 0.01 |
| Feb | 2.83 | 2.83 | 0.00 |
| Mar | 4.08 | 4.20 | -0.12 |
| Apr | 3.85 | 3.90 | -0.05 |
| May | 4.15 | 4.11 | 0.04 |
| Jun | 4.52 | 4.46 | 0.06 |
| Jul | 4.95 | 4.72 | 0.23 |
| Aug | 4.61 | 4.32 | 0.29 |
| Sep | 4.47 | 4.36 | 0.11 |
| Oct | 4.33 | 4.24 | 0.09 |
| Nov | 3.36 | 3.37 | -0.01 |
| Dec | 4.29 | 4.40 | -0.11 |
49.01 | 48.47 | 0.54 |