| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.59 | 0.24 |
| Feb | 4.21 | 4.11 | 0.10 |
| Mar | 4.71 | 4.77 | -0.06 |
| Apr | 4.77 | 4.78 | -0.01 |
| May | 5.29 | 5.21 | 0.08 |
| Jun | 3.99 | 3.83 | 0.16 |
| Jul | 3.41 | 3.27 | 0.14 |
| Aug | 2.99 | 3.04 | -0.05 |
| Sep | 3.82 | 3.79 | 0.03 |
| Oct | 4.64 | 4.70 | -0.06 |
| Nov | 4.11 | 4.17 | -0.06 |
| Dec | 4.85 | 4.94 | -0.09 |
50.62 | 50.20 | 0.42 |