| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.59 | 0.00 |
| Feb | 2.12 | 2.12 | 0.00 |
| Mar | 2.63 | 2.64 | -0.01 |
| Apr | 3.79 | 3.71 | 0.08 |
| May | 4.26 | 4.21 | 0.05 |
| Jun | 4.68 | 4.56 | 0.12 |
| Jul | 4.39 | 4.30 | 0.09 |
| Aug | 4.05 | 3.80 | 0.25 |
| Sep | 3.13 | 3.08 | 0.05 |
| Oct | 3.14 | 2.95 | 0.19 |
| Nov | 3.03 | 3.02 | 0.01 |
| Dec | 2.44 | 2.42 | 0.02 |
40.25 | 39.40 | 0.85 |