| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.34 | -0.33 |
| Feb | 2.35 | 2.71 | -0.36 |
| Mar | 3.25 | 3.10 | 0.15 |
| Apr | 3.46 | 3.65 | -0.19 |
| May | 3.93 | 3.98 | -0.05 |
| Jun | 4.52 | 4.30 | 0.22 |
| Jul | 4.37 | 4.24 | 0.13 |
| Aug | 3.63 | 3.63 | 0.00 |
| Sep | 3.70 | 3.74 | -0.04 |
| Oct | 3.07 | 3.10 | -0.03 |
| Nov | 3.01 | 3.19 | -0.18 |
| Dec | 3.32 | 3.27 | 0.05 |
41.62 | 42.25 | -0.63 |