| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 4.74 | 0.21 |
| Feb | 4.73 | 4.98 | -0.25 |
| Mar | 4.71 | 4.81 | -0.10 |
| Apr | 4.11 | 4.21 | -0.10 |
| May | 3.03 | 3.15 | -0.12 |
| Jun | 5.02 | 5.05 | -0.03 |
| Jul | 5.69 | 5.65 | 0.04 |
| Aug | 4.86 | 5.09 | -0.23 |
| Sep | 4.08 | 4.41 | -0.33 |
| Oct | 2.64 | 2.78 | -0.14 |
| Nov | 3.42 | 3.61 | -0.19 |
| Dec | 4.98 | 5.08 | -0.10 |
52.22 | 53.56 | -1.34 |