| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.45 | 0.04 |
| Feb | 0.46 | 0.42 | 0.04 |
| Mar | 0.49 | 0.50 | -0.01 |
| Apr | 0.48 | 0.61 | -0.13 |
| May | 1.06 | 1.16 | -0.10 |
| Jun | 1.16 | 1.11 | 0.05 |
| Jul | 1.98 | 1.87 | 0.11 |
| Aug | 1.76 | 1.78 | -0.02 |
| Sep | 2.18 | 2.32 | -0.14 |
| Oct | 1.19 | 1.08 | 0.11 |
| Nov | 0.56 | 0.60 | -0.04 |
| Dec | 0.60 | 0.59 | 0.01 |
12.41 | 12.49 | -0.08 |