| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.43 | -0.14 |
| Feb | 3.00 | 2.96 | 0.04 |
| Mar | 3.99 | 4.01 | -0.02 |
| Apr | 4.71 | 4.77 | -0.06 |
| May | 4.94 | 4.95 | -0.01 |
| Jun | 4.68 | 4.71 | -0.03 |
| Jul | 4.16 | 4.00 | 0.16 |
| Aug | 3.37 | 3.32 | 0.05 |
| Sep | 3.20 | 3.29 | -0.09 |
| Oct | 3.27 | 3.30 | -0.03 |
| Nov | 3.24 | 3.27 | -0.03 |
| Dec | 3.68 | 3.70 | -0.02 |
45.53 | 45.71 | -0.18 |