| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.50 | -0.03 |
| Feb | 2.18 | 2.22 | -0.04 |
| Mar | 3.23 | 3.09 | 0.14 |
| Apr | 4.75 | 4.67 | 0.08 |
| May | 4.85 | 4.98 | -0.13 |
| Jun | 4.37 | 4.19 | 0.18 |
| Jul | 4.09 | 3.99 | 0.10 |
| Aug | 3.32 | 3.39 | -0.07 |
| Sep | 3.18 | 3.32 | -0.14 |
| Oct | 3.27 | 3.16 | 0.11 |
| Nov | 3.37 | 3.48 | -0.11 |
| Dec | 2.46 | 2.58 | -0.12 |
41.54 | 41.57 | -0.03 |