| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.26 | -0.06 |
| Feb | 2.53 | 2.60 | -0.07 |
| Mar | 3.67 | 3.82 | -0.15 |
| Apr | 3.79 | 3.82 | -0.03 |
| May | 3.87 | 4.16 | -0.29 |
| Jun | 4.22 | 4.43 | -0.21 |
| Jul | 4.40 | 4.59 | -0.19 |
| Aug | 4.20 | 4.25 | -0.05 |
| Sep | 4.52 | 4.77 | -0.25 |
| Oct | 4.01 | 3.99 | 0.02 |
| Nov | 3.23 | 3.16 | 0.07 |
| Dec | 3.48 | 3.63 | -0.15 |
45.12 | 46.48 | -1.36 |