| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.04 | -0.03 |
| Feb | 2.29 | 2.33 | -0.04 |
| Mar | 3.24 | 3.31 | -0.07 |
| Apr | 4.19 | 4.18 | 0.01 |
| May | 4.44 | 4.47 | -0.03 |
| Jun | 4.24 | 4.37 | -0.13 |
| Jul | 4.10 | 4.09 | 0.01 |
| Aug | 3.10 | 3.04 | 0.06 |
| Sep | 3.03 | 3.13 | -0.10 |
| Oct | 2.85 | 2.89 | -0.04 |
| Nov | 3.00 | 3.02 | -0.02 |
| Dec | 2.93 | 3.01 | -0.08 |
40.42 | 40.88 | -0.46 |