| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.75 | 0.02 |
| Feb | 1.10 | 1.10 | 0.00 |
| Mar | 2.14 | 2.12 | 0.02 |
| Apr | 2.45 | 2.50 | -0.05 |
| May | 4.71 | 4.60 | 0.11 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 3.65 | 3.64 | 0.01 |
| Aug | 3.64 | 3.51 | 0.13 |
| Sep | 2.26 | 2.26 | 0.00 |
| Oct | 2.45 | 2.39 | 0.06 |
| Nov | 1.30 | 1.24 | 0.06 |
| Dec | 1.10 | 1.08 | 0.02 |
29.82 | 29.51 | 0.31 |