| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.01 | 0.26 |
| Feb | 2.29 | 2.29 | 0.00 |
| Mar | 3.07 | 3.04 | 0.03 |
| Apr | 3.17 | 3.02 | 0.15 |
| May | 4.41 | 4.51 | -0.10 |
| Jun | 4.61 | 4.71 | -0.10 |
| Jul | 3.18 | 3.65 | -0.47 |
| Aug | 3.37 | 3.57 | -0.20 |
| Sep | 4.42 | 4.67 | -0.25 |
| Oct | 4.20 | 4.07 | 0.13 |
| Nov | 3.65 | 3.48 | 0.17 |
| Dec | 2.98 | 2.94 | 0.04 |
42.62 | 42.96 | -0.34 |