| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.20 | -0.08 |
| Feb | 2.57 | 2.59 | -0.02 |
| Mar | 3.58 | 3.70 | -0.12 |
| Apr | 4.40 | 4.45 | -0.05 |
| May | 4.58 | 4.65 | -0.07 |
| Jun | 4.64 | 4.62 | 0.02 |
| Jul | 3.86 | 3.91 | -0.05 |
| Aug | 3.26 | 3.08 | 0.18 |
| Sep | 3.03 | 2.93 | 0.10 |
| Oct | 3.10 | 3.05 | 0.05 |
| Nov | 2.97 | 3.01 | -0.04 |
| Dec | 3.24 | 3.35 | -0.11 |
42.35 | 42.54 | -0.19 |