| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.54 | 0.03 |
| Feb | 2.85 | 2.78 | 0.07 |
| Mar | 3.38 | 3.40 | -0.02 |
| Apr | 3.76 | 3.83 | -0.07 |
| May | 4.49 | 4.62 | -0.13 |
| Jun | 4.54 | 4.62 | -0.08 |
| Jul | 2.91 | 3.10 | -0.19 |
| Aug | 3.86 | 3.87 | -0.01 |
| Sep | 4.46 | 4.21 | 0.25 |
| Oct | 4.59 | 4.67 | -0.08 |
| Nov | 4.10 | 4.22 | -0.12 |
| Dec | 3.35 | 3.52 | -0.17 |
45.86 | 46.38 | -0.52 |