| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.93 | -0.14 |
| Feb | 3.04 | 2.96 | 0.08 |
| Mar | 3.72 | 3.63 | 0.09 |
| Apr | 3.69 | 3.67 | 0.02 |
| May | 4.58 | 4.50 | 0.08 |
| Jun | 4.04 | 3.82 | 0.22 |
| Jul | 2.00 | 1.96 | 0.04 |
| Aug | 2.36 | 2.48 | -0.12 |
| Sep | 2.99 | 2.99 | 0.00 |
| Oct | 4.76 | 4.74 | 0.02 |
| Nov | 3.11 | 2.98 | 0.13 |
| Dec | 3.49 | 3.54 | -0.05 |
40.57 | 40.20 | 0.37 |