| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.94 | -0.18 |
| Feb | 2.19 | 2.26 | -0.07 |
| Mar | 3.00 | 3.06 | -0.06 |
| Apr | 3.79 | 3.88 | -0.09 |
| May | 4.27 | 4.29 | -0.02 |
| Jun | 4.63 | 4.72 | -0.09 |
| Jul | 4.33 | 4.25 | 0.08 |
| Aug | 3.50 | 3.48 | 0.02 |
| Sep | 3.15 | 3.04 | 0.11 |
| Oct | 2.79 | 2.83 | -0.04 |
| Nov | 2.85 | 2.88 | -0.03 |
| Dec | 2.79 | 2.94 | -0.15 |
40.05 | 40.57 | -0.52 |