| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.72 | -0.08 |
| Feb | 3.26 | 3.29 | -0.03 |
| Mar | 4.16 | 4.26 | -0.10 |
| Apr | 4.15 | 4.27 | -0.12 |
| May | 3.70 | 3.51 | 0.19 |
| Jun | 4.34 | 4.00 | 0.34 |
| Jul | 4.06 | 4.02 | 0.04 |
| Aug | 4.49 | 4.36 | 0.13 |
| Sep | 4.21 | 4.18 | 0.03 |
| Oct | 4.83 | 4.74 | 0.09 |
| Nov | 3.81 | 3.77 | 0.04 |
| Dec | 4.40 | 4.61 | -0.21 |
49.05 | 48.73 | 0.32 |