| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 4.66 | -0.07 |
| Feb | 4.71 | 4.48 | 0.23 |
| Mar | 4.70 | 4.89 | -0.19 |
| Apr | 3.96 | 3.95 | 0.01 |
| May | 2.86 | 2.85 | 0.01 |
| Jun | 4.77 | 4.96 | -0.19 |
| Jul | 5.27 | 5.33 | -0.06 |
| Aug | 4.83 | 4.97 | -0.14 |
| Sep | 3.90 | 3.82 | 0.08 |
| Oct | 2.64 | 2.67 | -0.03 |
| Nov | 3.08 | 3.13 | -0.05 |
| Dec | 4.96 | 4.65 | 0.31 |
50.27 | 50.36 | -0.09 |