| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.87 | 4.95 | -0.08 |
| Feb | 4.00 | 4.18 | -0.18 |
| Mar | 4.25 | 4.34 | -0.09 |
| Apr | 4.13 | 4.28 | -0.15 |
| May | 5.03 | 4.74 | 0.29 |
| Jun | 5.12 | 5.32 | -0.20 |
| Jul | 4.37 | 4.04 | 0.33 |
| Aug | 4.65 | 4.84 | -0.19 |
| Sep | 4.49 | 4.59 | -0.10 |
| Oct | 5.44 | 5.13 | 0.31 |
| Nov | 4.82 | 4.93 | -0.11 |
| Dec | 5.16 | 5.28 | -0.12 |
56.33 | 56.62 | -0.29 |