| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.12 | -0.15 |
| Feb | 2.42 | 2.41 | 0.01 |
| Mar | 3.52 | 3.51 | 0.01 |
| Apr | 3.91 | 3.95 | -0.04 |
| May | 4.34 | 4.32 | 0.02 |
| Jun | 4.52 | 4.63 | -0.11 |
| Jul | 4.49 | 4.60 | -0.11 |
| Aug | 3.67 | 3.57 | 0.10 |
| Sep | 3.33 | 3.33 | 0.00 |
| Oct | 2.96 | 2.92 | 0.04 |
| Nov | 2.95 | 2.96 | -0.01 |
| Dec | 3.12 | 3.14 | -0.02 |
42.20 | 42.46 | -0.26 |