| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.66 | 0.09 |
| Feb | 2.12 | 2.19 | -0.07 |
| Mar | 2.83 | 2.95 | -0.12 |
| Apr | 3.83 | 4.08 | -0.25 |
| May | 4.41 | 4.52 | -0.11 |
| Jun | 4.74 | 4.50 | 0.24 |
| Jul | 4.02 | 4.07 | -0.05 |
| Aug | 4.06 | 3.65 | 0.41 |
| Sep | 3.39 | 3.26 | 0.13 |
| Oct | 3.00 | 3.07 | -0.07 |
| Nov | 3.19 | 3.21 | -0.02 |
| Dec | 2.51 | 2.53 | -0.02 |
40.85 | 40.69 | 0.16 |