| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.77 | -0.10 |
| Feb | 3.35 | 3.50 | -0.15 |
| Mar | 3.74 | 4.01 | -0.27 |
| Apr | 2.89 | 3.01 | -0.12 |
| May | 3.37 | 3.34 | 0.03 |
| Jun | 4.66 | 4.73 | -0.07 |
| Jul | 4.67 | 4.68 | -0.01 |
| Aug | 4.79 | 4.79 | 0.00 |
| Sep | 4.11 | 4.14 | -0.03 |
| Oct | 3.25 | 3.42 | -0.17 |
| Nov | 2.87 | 2.99 | -0.12 |
| Dec | 3.70 | 3.83 | -0.13 |
45.07 | 46.21 | -1.14 |