| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.65 | 0.05 |
| Feb | 3.25 | 3.16 | 0.09 |
| Mar | 4.03 | 3.88 | 0.15 |
| Apr | 3.65 | 3.65 | 0.00 |
| May | 4.01 | 4.13 | -0.12 |
| Jun | 4.71 | 4.73 | -0.02 |
| Jul | 5.78 | 5.48 | 0.30 |
| Aug | 5.94 | 5.67 | 0.27 |
| Sep | 6.60 | 6.51 | 0.09 |
| Oct | 3.48 | 3.64 | -0.16 |
| Nov | 3.31 | 3.26 | 0.05 |
| Dec | 3.45 | 3.36 | 0.09 |
51.91 | 51.12 | 0.79 |