| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.98 | 5.15 | -0.17 |
| Feb | 5.28 | 4.91 | 0.37 |
| Mar | 5.30 | 5.29 | 0.01 |
| Apr | 4.85 | 4.66 | 0.19 |
| May | 4.15 | 4.07 | 0.08 |
| Jun | 4.22 | 4.13 | 0.09 |
| Jul | 4.48 | 4.71 | -0.23 |
| Aug | 3.93 | 3.85 | 0.08 |
| Sep | 4.33 | 4.43 | -0.10 |
| Oct | 3.79 | 3.56 | 0.23 |
| Nov | 4.57 | 4.51 | 0.06 |
| Dec | 5.33 | 5.59 | -0.26 |
55.21 | 54.86 | 0.35 |