| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.19 | -0.06 |
| Feb | 2.67 | 2.76 | -0.09 |
| Mar | 3.58 | 3.44 | 0.14 |
| Apr | 3.59 | 3.81 | -0.22 |
| May | 4.00 | 4.16 | -0.16 |
| Jun | 4.32 | 4.67 | -0.35 |
| Jul | 4.06 | 3.80 | 0.26 |
| Aug | 3.27 | 3.42 | -0.15 |
| Sep | 3.97 | 3.83 | 0.14 |
| Oct | 3.10 | 3.08 | 0.02 |
| Nov | 3.15 | 3.27 | -0.12 |
| Dec | 3.35 | 3.39 | -0.04 |
42.19 | 42.82 | -0.63 |