| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.36 | 0.14 |
| Feb | 2.95 | 2.88 | 0.07 |
| Mar | 3.56 | 3.74 | -0.18 |
| Apr | 3.85 | 3.97 | -0.12 |
| May | 3.40 | 3.52 | -0.12 |
| Jun | 4.00 | 4.14 | -0.14 |
| Jul | 3.31 | 3.27 | 0.04 |
| Aug | 3.35 | 3.44 | -0.09 |
| Sep | 3.80 | 3.71 | 0.09 |
| Oct | 4.89 | 4.97 | -0.08 |
| Nov | 4.24 | 4.26 | -0.02 |
| Dec | 4.26 | 4.26 | 0.00 |
45.11 | 45.52 | -0.41 |