| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.23 | -0.08 |
| Feb | 2.66 | 2.74 | -0.08 |
| Mar | 3.98 | 3.96 | 0.02 |
| Apr | 3.51 | 3.53 | -0.02 |
| May | 4.30 | 4.18 | 0.12 |
| Jun | 4.35 | 4.37 | -0.02 |
| Jul | 4.47 | 4.22 | 0.25 |
| Aug | 3.65 | 3.68 | -0.03 |
| Sep | 4.51 | 4.64 | -0.13 |
| Oct | 3.75 | 4.02 | -0.27 |
| Nov | 3.24 | 3.37 | -0.13 |
| Dec | 3.64 | 3.84 | -0.20 |
45.21 | 45.78 | -0.57 |