| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 4.03 | -0.07 |
| Feb | 3.89 | 3.91 | -0.02 |
| Mar | 4.49 | 4.49 | 0.00 |
| Apr | 3.02 | 3.17 | -0.15 |
| May | 3.25 | 3.19 | 0.06 |
| Jun | 4.14 | 4.45 | -0.31 |
| Jul | 4.08 | 4.09 | -0.01 |
| Aug | 4.20 | 4.41 | -0.21 |
| Sep | 3.48 | 3.60 | -0.12 |
| Oct | 2.77 | 2.95 | -0.18 |
| Nov | 3.35 | 3.40 | -0.05 |
| Dec | 4.34 | 4.26 | 0.08 |
44.97 | 45.95 | -0.98 |