| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.41 | -0.05 |
| Feb | 1.91 | 2.00 | -0.09 |
| Mar | 2.29 | 2.40 | -0.11 |
| Apr | 3.65 | 3.63 | 0.02 |
| May | 4.34 | 4.21 | 0.13 |
| Jun | 4.14 | 3.99 | 0.15 |
| Jul | 3.80 | 3.54 | 0.26 |
| Aug | 3.95 | 3.67 | 0.28 |
| Sep | 2.94 | 3.01 | -0.07 |
| Oct | 2.94 | 2.93 | 0.01 |
| Nov | 2.98 | 2.93 | 0.05 |
| Dec | 2.37 | 2.30 | 0.07 |
37.67 | 37.02 | 0.65 |