| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.22 | -0.09 |
| Feb | 2.60 | 2.65 | -0.05 |
| Mar | 3.38 | 3.37 | 0.01 |
| Apr | 3.58 | 3.51 | 0.07 |
| May | 4.00 | 4.09 | -0.09 |
| Jun | 4.57 | 4.53 | 0.04 |
| Jul | 4.36 | 4.34 | 0.02 |
| Aug | 3.87 | 3.84 | 0.03 |
| Sep | 3.53 | 3.50 | 0.03 |
| Oct | 3.12 | 3.15 | -0.03 |
| Nov | 3.08 | 3.06 | 0.02 |
| Dec | 3.25 | 3.27 | -0.02 |
42.47 | 42.53 | -0.06 |