| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.51 | 0.10 |
| Feb | 3.78 | 3.79 | -0.01 |
| Mar | 4.68 | 4.67 | 0.01 |
| Apr | 4.60 | 4.77 | -0.17 |
| May | 4.73 | 4.73 | 0.00 |
| Jun | 4.86 | 5.13 | -0.27 |
| Jul | 4.82 | 5.04 | -0.22 |
| Aug | 5.39 | 5.37 | 0.02 |
| Sep | 5.03 | 4.95 | 0.08 |
| Oct | 4.19 | 4.23 | -0.04 |
| Nov | 4.13 | 4.01 | 0.12 |
| Dec | 4.61 | 4.81 | -0.20 |
55.43 | 56.01 | -0.58 |