| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.34 | 0.03 |
| Feb | 2.94 | 3.00 | -0.06 |
| Mar | 4.47 | 4.39 | 0.08 |
| Apr | 4.88 | 4.92 | -0.04 |
| May | 5.88 | 5.83 | 0.05 |
| Jun | 4.29 | 4.31 | -0.02 |
| Jul | 3.95 | 3.85 | 0.10 |
| Aug | 4.07 | 3.76 | 0.31 |
| Sep | 4.26 | 4.14 | 0.12 |
| Oct | 4.42 | 4.36 | 0.06 |
| Nov | 4.54 | 4.63 | -0.09 |
| Dec | 3.91 | 3.87 | 0.04 |
50.98 | 50.40 | 0.58 |