| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.64 | -0.09 |
| Feb | 4.69 | 4.75 | -0.06 |
| Mar | 4.95 | 5.00 | -0.05 |
| Apr | 3.99 | 4.18 | -0.19 |
| May | 3.49 | 3.32 | 0.17 |
| Jun | 4.30 | 4.14 | 0.16 |
| Jul | 4.88 | 4.54 | 0.34 |
| Aug | 4.13 | 4.31 | -0.18 |
| Sep | 3.67 | 3.54 | 0.13 |
| Oct | 3.20 | 3.39 | -0.19 |
| Nov | 3.90 | 3.94 | -0.04 |
| Dec | 4.75 | 4.79 | -0.04 |
50.50 | 50.54 | -0.04 |