| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.69 | 5.03 | -0.34 |
| Feb | 4.27 | 4.42 | -0.15 |
| Mar | 4.70 | 4.82 | -0.12 |
| Apr | 4.31 | 4.32 | -0.01 |
| May | 3.97 | 3.85 | 0.12 |
| Jun | 4.71 | 4.53 | 0.18 |
| Jul | 4.56 | 4.75 | -0.19 |
| Aug | 5.01 | 5.24 | -0.23 |
| Sep | 4.25 | 4.25 | 0.00 |
| Oct | 3.74 | 3.77 | -0.03 |
| Nov | 3.98 | 4.06 | -0.08 |
| Dec | 5.09 | 5.24 | -0.15 |
53.28 | 54.28 | -1.00 |