| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 4.44 | 0.15 |
| Feb | 4.89 | 4.80 | 0.09 |
| Mar | 5.10 | 4.82 | 0.28 |
| Apr | 4.64 | 4.53 | 0.11 |
| May | 4.81 | 4.95 | -0.14 |
| Jun | 4.85 | 5.00 | -0.15 |
| Jul | 4.89 | 5.02 | -0.13 |
| Aug | 3.89 | 4.02 | -0.13 |
| Sep | 3.67 | 3.62 | 0.05 |
| Oct | 3.41 | 3.31 | 0.10 |
| Nov | 3.80 | 3.76 | 0.04 |
| Dec | 5.39 | 5.28 | 0.11 |
53.93 | 53.55 | 0.38 |