| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.81 | -0.41 |
| Feb | 2.94 | 3.32 | -0.38 |
| Mar | 4.19 | 4.74 | -0.55 |
| Apr | 4.11 | 4.32 | -0.21 |
| May | 3.53 | 3.59 | -0.06 |
| Jun | 3.77 | 3.67 | 0.10 |
| Jul | 3.16 | 3.14 | 0.02 |
| Aug | 3.70 | 3.83 | -0.13 |
| Sep | 4.08 | 4.12 | -0.04 |
| Oct | 4.44 | 4.50 | -0.06 |
| Nov | 3.63 | 3.77 | -0.14 |
| Dec | 4.26 | 4.67 | -0.41 |
45.21 | 47.48 | -2.27 |