| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.54 | -0.20 |
| Feb | 2.77 | 2.98 | -0.21 |
| Mar | 3.88 | 3.91 | -0.03 |
| Apr | 4.62 | 4.88 | -0.26 |
| May | 5.08 | 5.08 | 0.00 |
| Jun | 4.81 | 4.89 | -0.08 |
| Jul | 4.31 | 4.08 | 0.23 |
| Aug | 3.41 | 3.45 | -0.04 |
| Sep | 3.07 | 3.16 | -0.09 |
| Oct | 3.48 | 3.37 | 0.11 |
| Nov | 3.39 | 3.45 | -0.06 |
| Dec | 3.60 | 3.75 | -0.15 |
45.76 | 46.54 | -0.78 |