| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.04 | -0.04 |
| Feb | 2.30 | 2.33 | -0.03 |
| Mar | 3.26 | 3.32 | -0.06 |
| Apr | 4.21 | 4.20 | 0.01 |
| May | 4.40 | 4.46 | -0.06 |
| Jun | 4.29 | 4.47 | -0.18 |
| Jul | 4.10 | 4.10 | 0.00 |
| Aug | 3.11 | 3.08 | 0.03 |
| Sep | 3.00 | 3.06 | -0.06 |
| Oct | 2.88 | 2.92 | -0.04 |
| Nov | 3.01 | 3.04 | -0.03 |
| Dec | 2.94 | 3.03 | -0.09 |
40.50 | 41.05 | -0.55 |