| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.64 | -0.08 |
| Feb | 3.95 | 3.94 | 0.01 |
| Mar | 4.44 | 4.54 | -0.10 |
| Apr | 4.33 | 4.30 | 0.03 |
| May | 4.67 | 4.94 | -0.27 |
| Jun | 3.89 | 4.15 | -0.26 |
| Jul | 2.94 | 3.03 | -0.09 |
| Aug | 2.77 | 2.74 | 0.03 |
| Sep | 3.78 | 3.49 | 0.29 |
| Oct | 4.47 | 4.60 | -0.13 |
| Nov | 3.82 | 3.71 | 0.11 |
| Dec | 4.61 | 4.65 | -0.04 |
47.23 | 47.73 | -0.50 |