| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.25 | -0.13 |
| Feb | 2.60 | 2.68 | -0.08 |
| Mar | 3.57 | 3.79 | -0.22 |
| Apr | 4.39 | 4.57 | -0.18 |
| May | 4.65 | 4.72 | -0.07 |
| Jun | 4.50 | 4.43 | 0.07 |
| Jul | 3.88 | 3.88 | 0.00 |
| Aug | 3.26 | 3.07 | 0.19 |
| Sep | 3.06 | 3.08 | -0.02 |
| Oct | 3.11 | 3.10 | 0.01 |
| Nov | 2.95 | 3.05 | -0.10 |
| Dec | 3.24 | 3.40 | -0.16 |
42.33 | 43.02 | -0.69 |