| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 2.88 | 0.07 |
| Feb | 2.37 | 2.29 | 0.08 |
| Mar | 3.52 | 3.57 | -0.05 |
| Apr | 3.39 | 3.87 | -0.48 |
| May | 4.30 | 4.64 | -0.34 |
| Jun | 4.36 | 4.46 | -0.10 |
| Jul | 4.08 | 3.92 | 0.16 |
| Aug | 3.34 | 3.27 | 0.07 |
| Sep | 4.38 | 5.01 | -0.63 |
| Oct | 3.44 | 3.48 | -0.04 |
| Nov | 3.02 | 3.02 | 0.00 |
| Dec | 3.25 | 3.38 | -0.13 |
42.40 | 43.79 | -1.39 |