| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.97 | -0.21 |
| Feb | 3.25 | 3.39 | -0.14 |
| Mar | 4.29 | 4.42 | -0.13 |
| Apr | 3.97 | 4.00 | -0.03 |
| May | 3.53 | 3.77 | -0.24 |
| Jun | 4.15 | 4.23 | -0.08 |
| Jul | 3.86 | 3.96 | -0.10 |
| Aug | 4.24 | 4.47 | -0.23 |
| Sep | 3.75 | 3.80 | -0.05 |
| Oct | 3.32 | 3.36 | -0.04 |
| Nov | 3.51 | 3.54 | -0.03 |
| Dec | 4.03 | 4.17 | -0.14 |
45.66 | 47.08 | -1.42 |