| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.72 | -0.18 |
| Feb | 2.87 | 3.01 | -0.14 |
| Mar | 4.20 | 4.17 | 0.03 |
| Apr | 3.96 | 4.11 | -0.15 |
| May | 4.01 | 4.08 | -0.07 |
| Jun | 4.73 | 4.73 | 0.00 |
| Jul | 4.59 | 4.64 | -0.05 |
| Aug | 4.54 | 4.70 | -0.16 |
| Sep | 4.36 | 4.48 | -0.12 |
| Oct | 4.48 | 4.48 | 0.00 |
| Nov | 3.71 | 3.67 | 0.04 |
| Dec | 4.41 | 4.55 | -0.14 |
49.40 | 50.34 | -0.94 |