| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.54 | 2.70 | -0.16 |
| Feb | 2.18 | 2.32 | -0.14 |
| Mar | 3.48 | 3.55 | -0.07 |
| Apr | 4.67 | 4.71 | -0.04 |
| May | 4.96 | 5.06 | -0.10 |
| Jun | 4.48 | 4.51 | -0.03 |
| Jul | 3.78 | 4.00 | -0.22 |
| Aug | 3.57 | 3.41 | 0.16 |
| Sep | 3.36 | 3.38 | -0.02 |
| Oct | 3.12 | 3.25 | -0.13 |
| Nov | 3.39 | 3.52 | -0.13 |
| Dec | 2.63 | 2.71 | -0.08 |
42.16 | 43.12 | -0.96 |