| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 2.98 | 0.02 |
| Feb | 3.06 | 2.69 | 0.37 |
| Mar | 4.02 | 3.97 | 0.05 |
| Apr | 3.44 | 3.22 | 0.22 |
| May | 4.56 | 4.24 | 0.32 |
| Jun | 4.11 | 3.93 | 0.18 |
| Jul | 4.56 | 4.51 | 0.05 |
| Aug | 3.53 | 3.33 | 0.20 |
| Sep | 3.30 | 2.98 | 0.32 |
| Oct | 2.86 | 2.77 | 0.09 |
| Nov | 2.81 | 2.73 | 0.08 |
| Dec | 3.51 | 3.32 | 0.19 |
42.76 | 40.67 | 2.09 |