| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.05 | 0.22 |
| Feb | 2.88 | 2.85 | 0.03 |
| Mar | 3.26 | 3.33 | -0.07 |
| Apr | 2.62 | 2.51 | 0.11 |
| May | 3.09 | 3.21 | -0.12 |
| Jun | 7.40 | 8.13 | -0.73 |
| Jul | 7.81 | 8.31 | -0.50 |
| Aug | 8.11 | 8.60 | -0.49 |
| Sep | 5.86 | 6.32 | -0.46 |
| Oct | 2.81 | 2.65 | 0.16 |
| Nov | 1.95 | 1.91 | 0.04 |
| Dec | 2.64 | 2.75 | -0.11 |
51.70 | 53.62 | -1.92 |