| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.01 | -0.01 |
| Feb | 4.08 | 4.07 | 0.01 |
| Mar | 4.55 | 4.18 | 0.37 |
| Apr | 4.20 | 4.26 | -0.06 |
| May | 3.81 | 3.40 | 0.41 |
| Jun | 4.58 | 4.22 | 0.36 |
| Jul | 4.56 | 4.64 | -0.08 |
| Aug | 3.21 | 3.54 | -0.33 |
| Sep | 3.15 | 3.16 | -0.01 |
| Oct | 2.70 | 2.51 | 0.19 |
| Nov | 3.32 | 3.11 | 0.21 |
| Dec | 4.32 | 4.39 | -0.07 |
46.48 | 45.49 | 0.99 |