| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.87 | -0.02 |
| Feb | 3.40 | 3.36 | 0.04 |
| Mar | 3.70 | 3.72 | -0.02 |
| Apr | 3.35 | 3.40 | -0.05 |
| May | 4.09 | 4.19 | -0.10 |
| Jun | 4.96 | 5.16 | -0.20 |
| Jul | 6.32 | 6.42 | -0.10 |
| Aug | 6.87 | 7.01 | -0.14 |
| Sep | 6.86 | 6.86 | 0.00 |
| Oct | 3.80 | 3.86 | -0.06 |
| Nov | 3.49 | 3.55 | -0.06 |
| Dec | 3.78 | 3.71 | 0.07 |
54.47 | 55.11 | -0.64 |