| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.60 | -0.19 |
| Feb | 3.43 | 3.45 | -0.02 |
| Mar | 4.47 | 4.47 | 0.00 |
| Apr | 4.82 | 4.90 | -0.08 |
| May | 5.43 | 5.33 | 0.10 |
| Jun | 4.76 | 4.76 | 0.00 |
| Jul | 4.95 | 4.64 | 0.31 |
| Aug | 3.51 | 3.39 | 0.12 |
| Sep | 3.16 | 3.62 | -0.46 |
| Oct | 3.64 | 3.39 | 0.25 |
| Nov | 3.31 | 3.42 | -0.11 |
| Dec | 4.14 | 4.14 | 0.00 |
49.03 | 49.11 | -0.08 |