| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.84 | -0.01 |
| Feb | 4.14 | 4.09 | 0.05 |
| Mar | 5.11 | 4.96 | 0.15 |
| Apr | 5.42 | 5.55 | -0.13 |
| May | 5.24 | 5.00 | 0.24 |
| Jun | 3.39 | 3.37 | 0.02 |
| Jul | 3.64 | 3.63 | 0.01 |
| Aug | 3.66 | 3.00 | 0.66 |
| Sep | 3.16 | 3.36 | -0.20 |
| Oct | 4.40 | 4.14 | 0.26 |
| Nov | 4.59 | 4.60 | -0.01 |
| Dec | 5.26 | 5.41 | -0.15 |
51.84 | 50.95 | 0.89 |