| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.39 | -0.14 |
| Feb | 3.11 | 3.33 | -0.22 |
| Mar | 4.12 | 4.41 | -0.29 |
| Apr | 4.00 | 4.05 | -0.05 |
| May | 3.64 | 3.71 | -0.07 |
| Jun | 4.18 | 4.18 | 0.00 |
| Jul | 3.65 | 3.53 | 0.12 |
| Aug | 3.45 | 3.48 | -0.03 |
| Sep | 3.79 | 3.76 | 0.03 |
| Oct | 4.62 | 4.78 | -0.16 |
| Nov | 3.73 | 3.75 | -0.02 |
| Dec | 4.26 | 4.46 | -0.20 |
45.80 | 46.83 | -1.03 |