| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.15 | -0.20 |
| Feb | 2.51 | 2.59 | -0.08 |
| Mar | 3.58 | 3.56 | 0.02 |
| Apr | 3.95 | 4.00 | -0.05 |
| May | 4.21 | 4.23 | -0.02 |
| Jun | 4.39 | 4.47 | -0.08 |
| Jul | 4.39 | 4.43 | -0.04 |
| Aug | 3.53 | 3.46 | 0.07 |
| Sep | 3.01 | 3.14 | -0.13 |
| Oct | 2.92 | 2.95 | -0.03 |
| Nov | 2.90 | 2.91 | -0.01 |
| Dec | 3.14 | 3.13 | 0.01 |
41.48 | 42.02 | -0.54 |