| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.33 | -0.22 |
| Feb | 2.92 | 3.02 | -0.10 |
| Mar | 3.83 | 4.01 | -0.18 |
| Apr | 4.39 | 4.52 | -0.13 |
| May | 4.76 | 4.90 | -0.14 |
| Jun | 4.63 | 4.65 | -0.02 |
| Jul | 4.33 | 4.51 | -0.18 |
| Aug | 3.37 | 3.44 | -0.07 |
| Sep | 3.07 | 3.21 | -0.14 |
| Oct | 3.11 | 3.16 | -0.05 |
| Nov | 2.97 | 3.16 | -0.19 |
| Dec | 3.44 | 3.64 | -0.20 |
43.93 | 45.55 | -1.62 |