| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.76 | -0.32 |
| Feb | 3.17 | 3.34 | -0.17 |
| Mar | 4.46 | 4.61 | -0.15 |
| Apr | 4.03 | 4.12 | -0.09 |
| May | 3.39 | 3.45 | -0.06 |
| Jun | 4.03 | 3.80 | 0.23 |
| Jul | 3.15 | 3.08 | 0.07 |
| Aug | 3.71 | 3.79 | -0.08 |
| Sep | 3.78 | 3.74 | 0.04 |
| Oct | 4.31 | 4.40 | -0.09 |
| Nov | 3.59 | 3.60 | -0.01 |
| Dec | 4.57 | 4.61 | -0.04 |
45.63 | 46.30 | -0.67 |