| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.48 | 5.49 | -0.01 |
| Feb | 4.92 | 4.97 | -0.05 |
| Mar | 5.29 | 5.42 | -0.13 |
| Apr | 6.11 | 6.04 | 0.07 |
| May | 4.47 | 4.64 | -0.17 |
| Jun | 4.32 | 4.35 | -0.03 |
| Jul | 3.94 | 3.99 | -0.05 |
| Aug | 3.56 | 3.77 | -0.21 |
| Sep | 3.50 | 3.41 | 0.09 |
| Oct | 4.70 | 4.55 | 0.15 |
| Nov | 4.50 | 4.51 | -0.01 |
| Dec | 5.43 | 5.49 | -0.06 |
56.22 | 56.63 | -0.41 |