| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.60 | 0.00 |
| Feb | 2.36 | 2.39 | -0.03 |
| Mar | 2.99 | 2.95 | 0.04 |
| Apr | 3.21 | 3.25 | -0.04 |
| May | 3.44 | 3.39 | 0.05 |
| Jun | 4.25 | 4.25 | 0.00 |
| Jul | 4.01 | 4.34 | -0.33 |
| Aug | 3.81 | 3.91 | -0.10 |
| Sep | 3.72 | 3.60 | 0.12 |
| Oct | 3.88 | 4.06 | -0.18 |
| Nov | 2.90 | 2.90 | 0.00 |
| Dec | 3.15 | 3.38 | -0.23 |
40.32 | 41.02 | -0.70 |