| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.94 | -0.31 |
| Feb | 2.38 | 2.80 | -0.42 |
| Mar | 2.89 | 3.25 | -0.36 |
| Apr | 3.45 | 3.61 | -0.16 |
| May | 3.46 | 3.38 | 0.08 |
| Jun | 3.99 | 4.00 | -0.01 |
| Jul | 3.88 | 4.10 | -0.22 |
| Aug | 3.64 | 3.88 | -0.24 |
| Sep | 3.57 | 3.32 | 0.25 |
| Oct | 4.10 | 4.00 | 0.10 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 3.15 | 3.49 | -0.34 |
40.35 | 42.02 | -1.67 |