| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.02 | -0.04 |
| Feb | 2.59 | 2.65 | -0.06 |
| Mar | 3.70 | 3.81 | -0.11 |
| Apr | 3.39 | 3.38 | 0.01 |
| May | 4.31 | 4.38 | -0.07 |
| Jun | 4.23 | 4.32 | -0.09 |
| Jul | 4.22 | 4.26 | -0.04 |
| Aug | 3.57 | 3.79 | -0.22 |
| Sep | 4.16 | 4.35 | -0.19 |
| Oct | 3.64 | 3.86 | -0.22 |
| Nov | 3.13 | 3.24 | -0.11 |
| Dec | 3.49 | 3.65 | -0.16 |
43.41 | 44.71 | -1.30 |