| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.79 | -0.13 |
| Feb | 4.23 | 4.26 | -0.03 |
| Mar | 4.80 | 4.77 | 0.03 |
| Apr | 4.95 | 5.00 | -0.05 |
| May | 5.23 | 5.31 | -0.08 |
| Jun | 4.63 | 4.59 | 0.04 |
| Jul | 4.39 | 4.58 | -0.19 |
| Aug | 3.62 | 3.57 | 0.05 |
| Sep | 3.82 | 3.69 | 0.13 |
| Oct | 3.92 | 3.97 | -0.05 |
| Nov | 3.75 | 3.79 | -0.04 |
| Dec | 4.60 | 4.71 | -0.11 |
51.60 | 52.03 | -0.43 |