| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.69 | -0.13 |
| Feb | 2.30 | 2.43 | -0.13 |
| Mar | 3.51 | 3.54 | -0.03 |
| Apr | 4.95 | 4.92 | 0.03 |
| May | 4.94 | 5.00 | -0.06 |
| Jun | 4.34 | 4.43 | -0.09 |
| Jul | 3.92 | 3.86 | 0.06 |
| Aug | 3.34 | 3.30 | 0.04 |
| Sep | 3.29 | 3.21 | 0.08 |
| Oct | 3.08 | 3.09 | -0.01 |
| Nov | 3.49 | 3.51 | -0.02 |
| Dec | 2.78 | 2.77 | 0.01 |
42.50 | 42.75 | -0.25 |