| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.47 | 5.40 | 0.07 |
| Feb | 5.26 | 5.27 | -0.01 |
| Mar | 4.63 | 4.73 | -0.10 |
| Apr | 2.76 | 2.89 | -0.13 |
| May | 1.67 | 1.57 | 0.10 |
| Jun | 0.25 | 0.39 | -0.14 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.02 | 0.04 | -0.02 |
| Sep | 0.24 | 0.22 | 0.02 |
| Oct | 1.54 | 1.58 | -0.04 |
| Nov | 2.79 | 2.97 | -0.18 |
| Dec | 5.32 | 5.30 | 0.02 |
29.96 | 30.37 | -0.41 |