| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.58 | -0.13 |
| Feb | 3.00 | 3.20 | -0.20 |
| Mar | 3.81 | 3.92 | -0.11 |
| Apr | 3.80 | 3.94 | -0.14 |
| May | 4.50 | 4.55 | -0.05 |
| Jun | 4.33 | 4.41 | -0.08 |
| Jul | 4.85 | 4.92 | -0.07 |
| Aug | 3.74 | 3.73 | 0.01 |
| Sep | 3.49 | 3.48 | 0.01 |
| Oct | 3.19 | 3.20 | -0.01 |
| Nov | 3.02 | 3.14 | -0.12 |
| Dec | 3.49 | 3.75 | -0.26 |
44.67 | 45.82 | -1.15 |