| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.86 | -0.46 |
| Feb | 2.99 | 3.50 | -0.51 |
| Mar | 4.08 | 4.60 | -0.52 |
| Apr | 4.16 | 4.68 | -0.52 |
| May | 3.48 | 3.86 | -0.38 |
| Jun | 4.12 | 4.25 | -0.13 |
| Jul | 3.64 | 3.66 | -0.02 |
| Aug | 3.68 | 4.12 | -0.44 |
| Sep | 4.06 | 4.49 | -0.43 |
| Oct | 4.22 | 4.71 | -0.49 |
| Nov | 3.65 | 3.93 | -0.28 |
| Dec | 4.11 | 4.76 | -0.65 |
45.59 | 50.42 | -4.83 |