| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 4.02 | -0.47 |
| Feb | 2.85 | 3.29 | -0.44 |
| Mar | 3.06 | 3.36 | -0.30 |
| Apr | 3.55 | 3.53 | 0.02 |
| May | 3.60 | 3.62 | -0.02 |
| Jun | 3.89 | 3.63 | 0.26 |
| Jul | 3.77 | 3.78 | -0.01 |
| Aug | 3.61 | 3.63 | -0.02 |
| Sep | 3.75 | 3.68 | 0.07 |
| Oct | 4.52 | 4.71 | -0.19 |
| Nov | 3.93 | 4.10 | -0.17 |
| Dec | 3.83 | 4.19 | -0.36 |
43.91 | 45.54 | -1.63 |