| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.93 | -0.19 |
| Feb | 3.23 | 3.38 | -0.15 |
| Mar | 4.12 | 4.20 | -0.08 |
| Apr | 4.02 | 4.32 | -0.30 |
| May | 3.98 | 3.98 | 0.00 |
| Jun | 4.48 | 4.71 | -0.23 |
| Jul | 4.16 | 4.29 | -0.13 |
| Aug | 4.49 | 4.50 | -0.01 |
| Sep | 3.83 | 3.92 | -0.09 |
| Oct | 3.46 | 3.31 | 0.15 |
| Nov | 3.41 | 3.53 | -0.12 |
| Dec | 3.92 | 4.16 | -0.24 |
46.84 | 48.23 | -1.39 |