| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.07 | -0.01 |
| Feb | 2.73 | 2.77 | -0.04 |
| Mar | 3.61 | 3.60 | 0.01 |
| Apr | 3.73 | 3.81 | -0.08 |
| May | 4.39 | 4.59 | -0.20 |
| Jun | 4.08 | 4.32 | -0.24 |
| Jul | 4.15 | 4.15 | 0.00 |
| Aug | 3.52 | 3.40 | 0.12 |
| Sep | 3.78 | 3.56 | 0.22 |
| Oct | 2.97 | 2.93 | 0.04 |
| Nov | 2.92 | 2.84 | 0.08 |
| Dec | 3.26 | 3.29 | -0.03 |
42.20 | 42.33 | -0.13 |