| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.28 | -0.13 |
| Feb | 2.79 | 2.76 | 0.03 |
| Mar | 4.09 | 4.36 | -0.27 |
| Apr | 3.49 | 3.63 | -0.14 |
| May | 3.97 | 4.21 | -0.24 |
| Jun | 4.11 | 4.42 | -0.31 |
| Jul | 4.58 | 4.63 | -0.05 |
| Aug | 4.50 | 4.24 | 0.26 |
| Sep | 4.55 | 4.78 | -0.23 |
| Oct | 3.95 | 4.49 | -0.54 |
| Nov | 3.40 | 3.38 | 0.02 |
| Dec | 3.84 | 4.14 | -0.30 |
46.42 | 48.32 | -1.90 |