| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 3.95 | -0.01 |
| Feb | 4.24 | 4.33 | -0.09 |
| Mar | 4.84 | 4.86 | -0.02 |
| Apr | 4.80 | 4.83 | -0.03 |
| May | 5.14 | 5.39 | -0.25 |
| Jun | 4.81 | 4.87 | -0.06 |
| Jul | 4.83 | 4.93 | -0.10 |
| Aug | 3.71 | 3.71 | 0.00 |
| Sep | 3.78 | 3.88 | -0.10 |
| Oct | 3.54 | 3.63 | -0.09 |
| Nov | 3.69 | 3.71 | -0.02 |
| Dec | 4.79 | 4.81 | -0.02 |
52.11 | 52.90 | -0.79 |