| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.58 | 0.02 |
| Feb | 0.58 | 0.55 | 0.03 |
| Mar | 1.11 | 1.12 | -0.01 |
| Apr | 1.19 | 1.09 | 0.10 |
| May | 2.41 | 2.25 | 0.16 |
| Jun | 2.90 | 2.93 | -0.03 |
| Jul | 2.26 | 2.05 | 0.21 |
| Aug | 2.18 | 2.25 | -0.07 |
| Sep | 2.37 | 2.19 | 0.18 |
| Oct | 1.63 | 1.51 | 0.12 |
| Nov | 0.73 | 0.78 | -0.05 |
| Dec | 0.76 | 0.77 | -0.01 |
18.72 | 18.07 | 0.65 |