| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.58 | -0.02 |
| Feb | 2.83 | 2.79 | 0.04 |
| Mar | 4.09 | 4.02 | 0.07 |
| Apr | 3.39 | 3.50 | -0.11 |
| May | 3.75 | 3.82 | -0.07 |
| Jun | 4.56 | 4.57 | -0.01 |
| Jul | 5.17 | 5.16 | 0.01 |
| Aug | 5.05 | 5.15 | -0.10 |
| Sep | 5.13 | 5.23 | -0.10 |
| Oct | 3.53 | 3.70 | -0.17 |
| Nov | 3.25 | 3.19 | 0.06 |
| Dec | 3.55 | 3.55 | 0.00 |
47.86 | 48.26 | -0.40 |