| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.95 | -0.02 |
| Feb | 4.22 | 4.30 | -0.08 |
| Mar | 4.80 | 4.83 | -0.03 |
| Apr | 4.80 | 4.80 | 0.00 |
| May | 5.11 | 5.37 | -0.26 |
| Jun | 4.78 | 4.91 | -0.13 |
| Jul | 4.86 | 4.80 | 0.06 |
| Aug | 3.74 | 3.70 | 0.04 |
| Sep | 3.82 | 3.89 | -0.07 |
| Oct | 3.54 | 3.59 | -0.05 |
| Nov | 3.68 | 3.70 | -0.02 |
| Dec | 4.71 | 4.77 | -0.06 |
51.99 | 52.61 | -0.62 |