| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.30 | -0.05 |
| Feb | 4.83 | 4.84 | -0.01 |
| Mar | 5.59 | 5.67 | -0.08 |
| Apr | 5.37 | 5.50 | -0.13 |
| May | 5.29 | 5.58 | -0.29 |
| Jun | 4.63 | 4.88 | -0.25 |
| Jul | 4.39 | 4.59 | -0.20 |
| Aug | 3.61 | 3.55 | 0.06 |
| Sep | 3.93 | 4.03 | -0.10 |
| Oct | 3.64 | 3.79 | -0.15 |
| Nov | 4.38 | 4.32 | 0.06 |
| Dec | 5.19 | 5.33 | -0.14 |
55.10 | 56.38 | -1.28 |