| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.07 | -0.15 |
| Feb | 2.39 | 2.42 | -0.03 |
| Mar | 3.47 | 3.49 | -0.02 |
| Apr | 3.99 | 3.98 | 0.01 |
| May | 4.30 | 4.19 | 0.11 |
| Jun | 4.45 | 4.50 | -0.05 |
| Jul | 4.42 | 4.50 | -0.08 |
| Aug | 3.69 | 3.51 | 0.18 |
| Sep | 3.27 | 3.24 | 0.03 |
| Oct | 2.92 | 2.91 | 0.01 |
| Nov | 2.88 | 2.90 | -0.02 |
| Dec | 3.07 | 3.09 | -0.02 |
41.77 | 41.80 | -0.03 |