| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.20 | -0.07 |
| Feb | 2.53 | 2.56 | -0.03 |
| Mar | 3.61 | 3.60 | 0.01 |
| Apr | 4.40 | 4.37 | 0.03 |
| May | 4.51 | 4.48 | 0.03 |
| Jun | 4.79 | 4.78 | 0.01 |
| Jul | 3.98 | 3.94 | 0.04 |
| Aug | 3.25 | 2.93 | 0.32 |
| Sep | 3.05 | 3.08 | -0.03 |
| Oct | 3.12 | 3.07 | 0.05 |
| Nov | 3.01 | 3.01 | 0.00 |
| Dec | 3.24 | 3.27 | -0.03 |
42.62 | 42.29 | 0.33 |