| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.95 | -0.14 |
| Feb | 3.81 | 3.86 | -0.05 |
| Mar | 4.93 | 4.92 | 0.01 |
| Apr | 5.15 | 5.16 | -0.01 |
| May | 5.04 | 5.13 | -0.09 |
| Jun | 4.48 | 4.38 | 0.10 |
| Jul | 4.13 | 4.15 | -0.02 |
| Aug | 3.11 | 2.89 | 0.22 |
| Sep | 3.39 | 3.47 | -0.08 |
| Oct | 4.05 | 3.92 | 0.13 |
| Nov | 4.27 | 4.26 | 0.01 |
| Dec | 4.34 | 4.34 | 0.00 |
50.51 | 50.43 | 0.08 |