| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.33 | -0.14 |
| Feb | 3.23 | 3.27 | -0.04 |
| Mar | 4.41 | 4.57 | -0.16 |
| Apr | 4.96 | 5.09 | -0.13 |
| May | 5.03 | 5.02 | 0.01 |
| Jun | 4.95 | 4.86 | 0.09 |
| Jul | 4.93 | 4.73 | 0.20 |
| Aug | 5.03 | 4.76 | 0.27 |
| Sep | 5.02 | 4.83 | 0.19 |
| Oct | 4.08 | 4.38 | -0.30 |
| Nov | 4.04 | 4.14 | -0.10 |
| Dec | 4.10 | 4.41 | -0.31 |
53.97 | 54.39 | -0.42 |