| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.71 | -0.07 |
| Feb | 4.13 | 4.17 | -0.04 |
| Mar | 4.74 | 4.70 | 0.04 |
| Apr | 4.95 | 4.93 | 0.02 |
| May | 5.24 | 5.21 | 0.03 |
| Jun | 4.66 | 4.43 | 0.23 |
| Jul | 4.33 | 4.66 | -0.33 |
| Aug | 3.54 | 3.55 | -0.01 |
| Sep | 3.72 | 3.43 | 0.29 |
| Oct | 3.89 | 3.99 | -0.10 |
| Nov | 3.63 | 3.75 | -0.12 |
| Dec | 4.49 | 4.67 | -0.18 |
50.96 | 51.20 | -0.24 |