| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.15 | -0.09 |
| Feb | 2.36 | 2.39 | -0.03 |
| Mar | 3.41 | 3.49 | -0.08 |
| Apr | 4.26 | 4.34 | -0.08 |
| May | 4.50 | 4.44 | 0.06 |
| Jun | 4.48 | 4.60 | -0.12 |
| Jul | 4.09 | 4.08 | 0.01 |
| Aug | 3.19 | 3.07 | 0.12 |
| Sep | 3.12 | 3.06 | 0.06 |
| Oct | 2.97 | 2.94 | 0.03 |
| Nov | 3.00 | 3.00 | 0.00 |
| Dec | 3.07 | 3.08 | -0.01 |
41.51 | 41.64 | -0.13 |