| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.75 | -0.21 |
| Feb | 3.40 | 3.47 | -0.07 |
| Mar | 4.39 | 4.63 | -0.24 |
| Apr | 4.08 | 4.26 | -0.18 |
| May | 3.57 | 3.61 | -0.04 |
| Jun | 4.13 | 4.09 | 0.04 |
| Jul | 3.52 | 3.71 | -0.19 |
| Aug | 3.56 | 3.66 | -0.10 |
| Sep | 3.77 | 3.74 | 0.03 |
| Oct | 4.59 | 4.78 | -0.19 |
| Nov | 3.88 | 3.90 | -0.02 |
| Dec | 4.56 | 4.81 | -0.25 |
46.99 | 48.41 | -1.42 |