| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.27 | -0.05 |
| Feb | 1.93 | 2.01 | -0.08 |
| Mar | 2.30 | 2.34 | -0.04 |
| Apr | 3.59 | 3.60 | -0.01 |
| May | 4.18 | 4.31 | -0.13 |
| Jun | 4.37 | 4.43 | -0.06 |
| Jul | 4.26 | 4.19 | 0.07 |
| Aug | 4.02 | 4.33 | -0.31 |
| Sep | 3.47 | 3.48 | -0.01 |
| Oct | 3.52 | 3.57 | -0.05 |
| Nov | 2.77 | 2.67 | 0.10 |
| Dec | 2.15 | 2.21 | -0.06 |
38.78 | 39.41 | -0.63 |