| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.11 | -0.15 |
| Feb | 0.89 | 1.01 | -0.12 |
| Mar | 1.41 | 1.45 | -0.04 |
| Apr | 2.46 | 2.55 | -0.09 |
| May | 3.19 | 3.26 | -0.07 |
| Jun | 4.29 | 4.25 | 0.04 |
| Jul | 3.96 | 3.80 | 0.16 |
| Aug | 3.57 | 3.70 | -0.13 |
| Sep | 3.24 | 3.39 | -0.15 |
| Oct | 2.93 | 3.03 | -0.10 |
| Nov | 1.76 | 1.99 | -0.23 |
| Dec | 1.32 | 1.43 | -0.11 |
29.98 | 30.97 | -0.99 |