| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.63 | -0.04 |
| Feb | 2.81 | 2.95 | -0.14 |
| Mar | 3.92 | 4.09 | -0.17 |
| Apr | 3.91 | 3.97 | -0.06 |
| May | 4.11 | 4.13 | -0.02 |
| Jun | 4.76 | 4.80 | -0.04 |
| Jul | 4.93 | 4.72 | 0.21 |
| Aug | 4.78 | 4.77 | 0.01 |
| Sep | 4.70 | 4.70 | 0.00 |
| Oct | 4.59 | 4.78 | -0.19 |
| Nov | 3.54 | 3.49 | 0.05 |
| Dec | 4.32 | 4.46 | -0.14 |
49.96 | 50.49 | -0.53 |