| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.72 | 2.77 | -0.05 |
| Feb | 2.20 | 2.15 | 0.05 |
| Mar | 3.03 | 3.04 | -0.01 |
| Apr | 3.37 | 3.54 | -0.17 |
| May | 3.96 | 3.81 | 0.15 |
| Jun | 3.73 | 3.73 | 0.00 |
| Jul | 4.04 | 4.19 | -0.15 |
| Aug | 3.61 | 4.04 | -0.43 |
| Sep | 4.08 | 4.16 | -0.08 |
| Oct | 3.58 | 3.49 | 0.09 |
| Nov | 2.95 | 2.93 | 0.02 |
| Dec | 2.86 | 2.97 | -0.11 |
40.13 | 40.82 | -0.69 |