| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.18 | -0.21 |
| Feb | 2.54 | 2.56 | -0.02 |
| Mar | 3.26 | 3.30 | -0.04 |
| Apr | 3.42 | 3.42 | 0.00 |
| May | 3.91 | 3.97 | -0.06 |
| Jun | 4.33 | 4.43 | -0.10 |
| Jul | 4.27 | 4.13 | 0.14 |
| Aug | 3.64 | 3.65 | -0.01 |
| Sep | 3.42 | 3.39 | 0.03 |
| Oct | 2.96 | 3.04 | -0.08 |
| Nov | 2.84 | 2.95 | -0.11 |
| Dec | 3.14 | 3.22 | -0.08 |
40.70 | 41.24 | -0.54 |