| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.40 | -0.07 |
| Feb | 0.40 | 0.41 | -0.01 |
| Mar | 0.77 | 0.90 | -0.13 |
| Apr | 1.65 | 1.73 | -0.08 |
| May | 2.50 | 2.55 | -0.05 |
| Jun | 1.74 | 1.64 | 0.10 |
| Jul | 1.59 | 1.43 | 0.16 |
| Aug | 1.63 | 1.40 | 0.23 |
| Sep | 1.24 | 1.16 | 0.08 |
| Oct | 1.06 | 1.10 | -0.04 |
| Nov | 0.55 | 0.64 | -0.09 |
| Dec | 0.40 | 0.45 | -0.05 |
13.86 | 13.81 | 0.05 |