| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.63 | 0.04 |
| Feb | 2.15 | 2.08 | 0.07 |
| Mar | 2.49 | 2.63 | -0.14 |
| Apr | 3.02 | 3.11 | -0.09 |
| May | 3.15 | 3.23 | -0.08 |
| Jun | 3.51 | 3.60 | -0.09 |
| Jul | 3.51 | 3.57 | -0.06 |
| Aug | 3.51 | 3.71 | -0.20 |
| Sep | 3.36 | 3.46 | -0.10 |
| Oct | 3.72 | 3.69 | 0.03 |
| Nov | 3.00 | 3.13 | -0.13 |
| Dec | 2.92 | 2.97 | -0.05 |
37.01 | 37.81 | -0.80 |