| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.15 | 4.23 | -0.08 |
| Feb | 2.89 | 3.08 | -0.19 |
| Mar | 3.41 | 3.48 | -0.07 |
| Apr | 3.95 | 4.08 | -0.13 |
| May | 5.13 | 5.10 | 0.03 |
| Jun | 5.52 | 5.52 | 0.00 |
| Jul | 4.21 | 4.30 | -0.09 |
| Aug | 5.00 | 5.26 | -0.26 |
| Sep | 5.56 | 5.56 | 0.00 |
| Oct | 4.99 | 4.98 | 0.01 |
| Nov | 4.19 | 4.54 | -0.35 |
| Dec | 4.08 | 4.18 | -0.10 |
53.08 | 54.31 | -1.23 |