| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.35 | 2.44 | -0.09 |
| Feb | 1.90 | 2.00 | -0.10 |
| Mar | 2.31 | 2.42 | -0.11 |
| Apr | 3.62 | 3.67 | -0.05 |
| May | 4.23 | 4.29 | -0.06 |
| Jun | 4.30 | 4.17 | 0.13 |
| Jul | 3.85 | 3.69 | 0.16 |
| Aug | 4.02 | 3.79 | 0.23 |
| Sep | 2.93 | 3.01 | -0.08 |
| Oct | 2.91 | 2.92 | -0.01 |
| Nov | 2.89 | 2.95 | -0.06 |
| Dec | 2.30 | 2.31 | -0.01 |
37.61 | 37.66 | -0.05 |