| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.53 | -0.03 |
| Feb | 0.65 | 0.66 | -0.01 |
| Mar | 1.37 | 1.41 | -0.04 |
| Apr | 2.89 | 2.86 | 0.03 |
| May | 4.07 | 4.03 | 0.04 |
| Jun | 4.13 | 4.31 | -0.18 |
| Jul | 3.36 | 3.24 | 0.12 |
| Aug | 3.01 | 3.25 | -0.24 |
| Sep | 2.16 | 2.25 | -0.09 |
| Oct | 2.01 | 2.03 | -0.02 |
| Nov | 0.99 | 0.99 | 0.00 |
| Dec | 0.67 | 0.71 | -0.04 |
25.81 | 26.27 | -0.46 |