| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.59 | 0.00 |
| Feb | 2.89 | 2.91 | -0.02 |
| Mar | 4.02 | 4.10 | -0.08 |
| Apr | 3.70 | 3.79 | -0.09 |
| May | 3.57 | 3.57 | 0.00 |
| Jun | 4.03 | 4.23 | -0.20 |
| Jul | 4.38 | 4.35 | 0.03 |
| Aug | 4.15 | 4.08 | 0.07 |
| Sep | 4.62 | 4.73 | -0.11 |
| Oct | 3.18 | 3.24 | -0.06 |
| Nov | 3.36 | 3.37 | -0.01 |
| Dec | 3.36 | 3.49 | -0.13 |
44.85 | 45.45 | -0.60 |