| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.11 | 4.27 | -0.16 |
| Feb | 4.34 | 4.47 | -0.13 |
| Mar | 4.75 | 4.98 | -0.23 |
| Apr | 4.90 | 4.81 | 0.09 |
| May | 5.52 | 5.54 | -0.02 |
| Jun | 4.51 | 4.51 | 0.00 |
| Jul | 4.64 | 4.71 | -0.07 |
| Aug | 3.77 | 3.69 | 0.08 |
| Sep | 3.77 | 3.64 | 0.13 |
| Oct | 3.62 | 3.67 | -0.05 |
| Nov | 3.71 | 3.75 | -0.04 |
| Dec | 4.90 | 4.93 | -0.03 |
52.54 | 52.97 | -0.43 |