| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.18 | -0.22 |
| Feb | 0.89 | 1.03 | -0.14 |
| Mar | 1.41 | 1.47 | -0.06 |
| Apr | 2.46 | 2.57 | -0.11 |
| May | 3.19 | 3.33 | -0.14 |
| Jun | 4.29 | 4.33 | -0.04 |
| Jul | 3.96 | 3.85 | 0.11 |
| Aug | 3.57 | 3.71 | -0.14 |
| Sep | 3.24 | 3.43 | -0.19 |
| Oct | 2.93 | 3.07 | -0.14 |
| Nov | 1.76 | 2.03 | -0.27 |
| Dec | 1.32 | 1.48 | -0.16 |
29.98 | 31.48 | -1.50 |