| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.19 | -0.29 |
| Feb | 2.40 | 2.49 | -0.09 |
| Mar | 3.50 | 3.58 | -0.08 |
| Apr | 3.80 | 3.96 | -0.16 |
| May | 4.15 | 4.08 | 0.07 |
| Jun | 4.31 | 4.42 | -0.11 |
| Jul | 4.46 | 4.28 | 0.18 |
| Aug | 3.56 | 3.59 | -0.03 |
| Sep | 3.19 | 3.15 | 0.04 |
| Oct | 2.86 | 2.93 | -0.07 |
| Nov | 2.79 | 2.96 | -0.17 |
| Dec | 3.03 | 3.12 | -0.09 |
40.95 | 41.75 | -0.80 |