| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.79 | -0.17 |
| Feb | 4.08 | 4.26 | -0.18 |
| Mar | 4.67 | 4.71 | -0.04 |
| Apr | 4.95 | 4.96 | -0.01 |
| May | 5.08 | 5.23 | -0.15 |
| Jun | 4.57 | 4.67 | -0.10 |
| Jul | 4.56 | 4.72 | -0.16 |
| Aug | 3.42 | 3.22 | 0.20 |
| Sep | 3.51 | 3.40 | 0.11 |
| Oct | 3.76 | 3.97 | -0.21 |
| Nov | 3.87 | 3.97 | -0.10 |
| Dec | 4.58 | 4.55 | 0.03 |
50.67 | 51.45 | -0.78 |