| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.79 | -0.14 |
| Feb | 2.88 | 3.03 | -0.15 |
| Mar | 3.92 | 4.15 | -0.23 |
| Apr | 3.75 | 4.02 | -0.27 |
| May | 3.82 | 3.82 | 0.00 |
| Jun | 4.31 | 4.37 | -0.06 |
| Jul | 4.03 | 4.03 | 0.00 |
| Aug | 4.20 | 4.16 | 0.04 |
| Sep | 4.59 | 4.80 | -0.21 |
| Oct | 3.52 | 3.42 | 0.10 |
| Nov | 3.30 | 3.40 | -0.10 |
| Dec | 3.49 | 3.55 | -0.06 |
45.46 | 46.54 | -1.08 |