| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 3.08 | -0.42 |
| Feb | 2.31 | 2.64 | -0.33 |
| Mar | 2.94 | 3.23 | -0.29 |
| Apr | 3.26 | 3.60 | -0.34 |
| May | 3.47 | 3.39 | 0.08 |
| Jun | 4.10 | 4.05 | 0.05 |
| Jul | 4.07 | 4.25 | -0.18 |
| Aug | 3.78 | 3.73 | 0.05 |
| Sep | 3.51 | 3.42 | 0.09 |
| Oct | 3.86 | 4.21 | -0.35 |
| Nov | 3.12 | 3.39 | -0.27 |
| Dec | 3.22 | 3.81 | -0.59 |
40.30 | 42.80 | -2.50 |