| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.50 | 4.60 | -0.10 |
| Feb | 4.53 | 4.59 | -0.06 |
| Mar | 4.69 | 4.89 | -0.20 |
| Apr | 4.16 | 4.39 | -0.23 |
| May | 3.02 | 3.08 | -0.06 |
| Jun | 4.39 | 4.49 | -0.10 |
| Jul | 5.22 | 5.22 | 0.00 |
| Aug | 4.48 | 4.22 | 0.26 |
| Sep | 3.93 | 4.19 | -0.26 |
| Oct | 2.74 | 2.68 | 0.06 |
| Nov | 3.35 | 3.36 | -0.01 |
| Dec | 5.21 | 4.93 | 0.28 |
50.22 | 50.64 | -0.42 |