| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.63 | -0.04 |
| Feb | 2.90 | 2.91 | -0.01 |
| Mar | 3.99 | 3.90 | 0.09 |
| Apr | 3.75 | 3.73 | 0.02 |
| May | 3.63 | 3.55 | 0.08 |
| Jun | 4.32 | 4.39 | -0.07 |
| Jul | 4.29 | 4.15 | 0.14 |
| Aug | 4.54 | 4.15 | 0.39 |
| Sep | 4.46 | 4.57 | -0.11 |
| Oct | 3.26 | 3.17 | 0.09 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 3.38 | 3.44 | -0.06 |
45.46 | 44.94 | 0.52 |