| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.66 | 0.15 |
| Feb | 3.64 | 3.72 | -0.08 |
| Mar | 3.70 | 3.83 | -0.13 |
| Apr | 3.04 | 3.03 | 0.01 |
| May | 3.30 | 3.11 | 0.19 |
| Jun | 5.16 | 5.12 | 0.04 |
| Jul | 5.45 | 5.11 | 0.34 |
| Aug | 5.20 | 5.31 | -0.11 |
| Sep | 3.67 | 3.72 | -0.05 |
| Oct | 2.88 | 2.98 | -0.10 |
| Nov | 2.86 | 2.79 | 0.07 |
| Dec | 3.63 | 3.57 | 0.06 |
46.34 | 45.95 | 0.39 |