| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.67 | -0.15 |
| Feb | 2.01 | 2.11 | -0.10 |
| Mar | 2.32 | 2.27 | 0.05 |
| Apr | 3.63 | 3.72 | -0.09 |
| May | 3.86 | 4.00 | -0.14 |
| Jun | 3.61 | 3.68 | -0.07 |
| Jul | 3.34 | 3.32 | 0.02 |
| Aug | 3.51 | 3.54 | -0.03 |
| Sep | 3.18 | 3.17 | 0.01 |
| Oct | 3.81 | 3.67 | 0.14 |
| Nov | 2.95 | 3.01 | -0.06 |
| Dec | 2.39 | 2.56 | -0.17 |
37.13 | 37.72 | -0.59 |