| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.36 | 0.06 |
| Feb | 2.46 | 2.43 | 0.03 |
| Mar | 3.02 | 2.96 | 0.06 |
| Apr | 3.57 | 3.70 | -0.13 |
| May | 3.61 | 3.42 | 0.19 |
| Jun | 3.95 | 3.92 | 0.03 |
| Jul | 3.92 | 3.55 | 0.37 |
| Aug | 3.62 | 3.40 | 0.22 |
| Sep | 4.16 | 4.41 | -0.25 |
| Oct | 4.42 | 4.51 | -0.09 |
| Nov | 3.79 | 3.78 | 0.01 |
| Dec | 3.82 | 3.68 | 0.14 |
43.76 | 43.12 | 0.64 |