| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 4.97 | 0.21 |
| Feb | 5.15 | 5.23 | -0.08 |
| Mar | 5.45 | 5.58 | -0.13 |
| Apr | 5.32 | 5.58 | -0.26 |
| May | 4.61 | 4.90 | -0.29 |
| Jun | 4.90 | 4.89 | 0.01 |
| Jul | 5.30 | 5.48 | -0.18 |
| Aug | 4.21 | 4.41 | -0.20 |
| Sep | 4.49 | 4.09 | 0.40 |
| Oct | 3.55 | 3.40 | 0.15 |
| Nov | 4.52 | 4.41 | 0.11 |
| Dec | 5.99 | 5.70 | 0.29 |
58.67 | 58.64 | 0.03 |