| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.14 | -0.21 |
| Feb | 2.34 | 2.34 | 0.00 |
| Mar | 3.23 | 3.30 | -0.07 |
| Apr | 3.90 | 3.93 | -0.03 |
| May | 4.20 | 4.22 | -0.02 |
| Jun | 4.51 | 4.71 | -0.20 |
| Jul | 4.01 | 4.04 | -0.03 |
| Aug | 3.50 | 3.48 | 0.02 |
| Sep | 3.24 | 3.43 | -0.19 |
| Oct | 2.89 | 2.85 | 0.04 |
| Nov | 2.89 | 2.90 | -0.01 |
| Dec | 2.96 | 3.09 | -0.13 |
40.60 | 41.43 | -0.83 |