| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.87 | 4.98 | -0.11 |
| Feb | 3.98 | 4.32 | -0.34 |
| Mar | 4.33 | 4.62 | -0.29 |
| Apr | 4.16 | 4.45 | -0.29 |
| May | 4.79 | 4.61 | 0.18 |
| Jun | 4.66 | 5.12 | -0.46 |
| Jul | 3.80 | 3.54 | 0.26 |
| Aug | 3.78 | 4.26 | -0.48 |
| Sep | 3.95 | 4.39 | -0.44 |
| Oct | 5.00 | 4.87 | 0.13 |
| Nov | 4.57 | 4.64 | -0.07 |
| Dec | 5.09 | 5.39 | -0.30 |
52.98 | 55.19 | -2.21 |