| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.37 | 0.01 |
| Feb | 5.00 | 4.82 | 0.18 |
| Mar | 5.70 | 5.68 | 0.02 |
| Apr | 5.80 | 5.71 | 0.09 |
| May | 5.45 | 5.35 | 0.10 |
| Jun | 4.55 | 4.58 | -0.03 |
| Jul | 4.34 | 4.39 | -0.05 |
| Aug | 3.47 | 3.32 | 0.15 |
| Sep | 3.83 | 3.84 | -0.01 |
| Oct | 4.10 | 4.17 | -0.07 |
| Nov | 4.21 | 4.31 | -0.10 |
| Dec | 5.69 | 5.65 | 0.04 |
56.52 | 56.19 | 0.33 |