| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.71 | -0.06 |
| Feb | 2.95 | 2.95 | 0.00 |
| Mar | 4.26 | 4.23 | 0.03 |
| Apr | 3.77 | 3.79 | -0.02 |
| May | 3.73 | 3.76 | -0.03 |
| Jun | 4.40 | 4.27 | 0.13 |
| Jul | 4.50 | 4.46 | 0.04 |
| Aug | 4.32 | 4.20 | 0.12 |
| Sep | 4.90 | 5.01 | -0.11 |
| Oct | 3.55 | 3.39 | 0.16 |
| Nov | 3.41 | 3.36 | 0.05 |
| Dec | 3.59 | 3.57 | 0.02 |
47.03 | 46.70 | 0.33 |