| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.54 | -0.04 |
| Feb | 2.15 | 2.09 | 0.06 |
| Mar | 2.51 | 2.57 | -0.06 |
| Apr | 3.29 | 3.21 | 0.08 |
| May | 3.63 | 3.71 | -0.08 |
| Jun | 4.14 | 4.25 | -0.11 |
| Jul | 4.17 | 4.08 | 0.09 |
| Aug | 3.86 | 3.91 | -0.05 |
| Sep | 3.84 | 3.61 | 0.23 |
| Oct | 4.04 | 4.00 | 0.04 |
| Nov | 3.00 | 3.03 | -0.03 |
| Dec | 3.03 | 2.98 | 0.05 |
40.16 | 39.98 | 0.18 |