| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.60 | -0.16 |
| Feb | 2.07 | 2.20 | -0.13 |
| Mar | 2.53 | 2.54 | -0.01 |
| Apr | 3.69 | 3.58 | 0.11 |
| May | 4.22 | 4.12 | 0.10 |
| Jun | 4.61 | 4.42 | 0.19 |
| Jul | 4.22 | 4.48 | -0.26 |
| Aug | 4.21 | 4.54 | -0.33 |
| Sep | 3.36 | 3.29 | 0.07 |
| Oct | 3.49 | 3.38 | 0.11 |
| Nov | 2.83 | 2.79 | 0.04 |
| Dec | 2.37 | 2.35 | 0.02 |
40.04 | 40.29 | -0.25 |