| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.11 | 4.23 | -0.12 |
| Feb | 3.45 | 3.79 | -0.34 |
| Mar | 4.28 | 4.54 | -0.26 |
| Apr | 4.32 | 4.65 | -0.33 |
| May | 3.76 | 3.74 | 0.02 |
| Jun | 4.25 | 4.25 | 0.00 |
| Jul | 3.15 | 3.18 | -0.03 |
| Aug | 3.17 | 3.12 | 0.05 |
| Sep | 4.03 | 4.02 | 0.01 |
| Oct | 5.32 | 5.49 | -0.17 |
| Nov | 4.70 | 4.81 | -0.11 |
| Dec | 4.86 | 5.00 | -0.14 |
49.40 | 50.82 | -1.42 |