| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.22 | 4.32 | -0.10 |
| Feb | 3.74 | 3.80 | -0.06 |
| Mar | 5.27 | 5.37 | -0.10 |
| Apr | 4.50 | 4.63 | -0.13 |
| May | 3.62 | 3.62 | 0.00 |
| Jun | 3.92 | 3.89 | 0.03 |
| Jul | 3.29 | 3.36 | -0.07 |
| Aug | 3.68 | 3.76 | -0.08 |
| Sep | 4.11 | 4.02 | 0.09 |
| Oct | 4.85 | 5.00 | -0.15 |
| Nov | 4.46 | 4.48 | -0.02 |
| Dec | 4.91 | 5.10 | -0.19 |
50.57 | 51.35 | -0.78 |