| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.06 | -0.09 |
| Feb | 2.54 | 2.60 | -0.06 |
| Mar | 3.79 | 3.82 | -0.03 |
| Apr | 3.53 | 3.48 | 0.05 |
| May | 3.87 | 4.07 | -0.20 |
| Jun | 3.95 | 3.92 | 0.03 |
| Jul | 4.32 | 4.00 | 0.32 |
| Aug | 3.63 | 3.84 | -0.21 |
| Sep | 4.71 | 4.86 | -0.15 |
| Oct | 3.77 | 3.86 | -0.09 |
| Nov | 3.02 | 3.09 | -0.07 |
| Dec | 3.37 | 3.52 | -0.15 |
43.47 | 44.12 | -0.65 |