| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.57 | -0.11 |
| Feb | 3.19 | 3.38 | -0.19 |
| Mar | 3.54 | 3.73 | -0.19 |
| Apr | 3.14 | 3.20 | -0.06 |
| May | 3.90 | 3.71 | 0.19 |
| Jun | 5.01 | 4.98 | 0.03 |
| Jul | 5.93 | 6.33 | -0.40 |
| Aug | 6.26 | 6.77 | -0.51 |
| Sep | 6.14 | 6.86 | -0.72 |
| Oct | 4.09 | 4.50 | -0.41 |
| Nov | 3.22 | 3.18 | 0.04 |
| Dec | 3.82 | 3.69 | 0.13 |
51.70 | 53.90 | -2.20 |