| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.30 | 4.43 | -0.13 |
| Feb | 4.46 | 4.60 | -0.14 |
| Mar | 4.95 | 4.96 | -0.01 |
| Apr | 4.59 | 4.70 | -0.11 |
| May | 4.48 | 4.39 | 0.09 |
| Jun | 4.47 | 4.22 | 0.25 |
| Jul | 4.86 | 5.32 | -0.46 |
| Aug | 3.83 | 3.77 | 0.06 |
| Sep | 3.42 | 3.33 | 0.09 |
| Oct | 2.98 | 2.83 | 0.15 |
| Nov | 3.51 | 3.40 | 0.11 |
| Dec | 5.08 | 4.93 | 0.15 |
50.93 | 50.88 | 0.05 |