| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.89 | 4.96 | -0.07 |
| Feb | 4.03 | 4.19 | -0.16 |
| Mar | 4.24 | 4.33 | -0.09 |
| Apr | 4.17 | 4.28 | -0.11 |
| May | 5.04 | 4.74 | 0.30 |
| Jun | 5.21 | 5.36 | -0.15 |
| Jul | 4.44 | 4.10 | 0.34 |
| Aug | 4.78 | 4.90 | -0.12 |
| Sep | 4.58 | 4.62 | -0.04 |
| Oct | 5.48 | 5.16 | 0.32 |
| Nov | 4.89 | 4.97 | -0.08 |
| Dec | 5.20 | 5.29 | -0.09 |
56.95 | 56.90 | 0.05 |