| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.50 | -0.01 |
| Feb | 3.50 | 3.46 | 0.04 |
| Mar | 4.54 | 4.60 | -0.06 |
| Apr | 4.65 | 4.60 | 0.05 |
| May | 5.30 | 5.26 | 0.04 |
| Jun | 4.93 | 4.81 | 0.12 |
| Jul | 4.93 | 4.74 | 0.19 |
| Aug | 3.64 | 3.51 | 0.13 |
| Sep | 3.63 | 3.48 | 0.15 |
| Oct | 3.67 | 3.46 | 0.21 |
| Nov | 3.30 | 3.40 | -0.10 |
| Dec | 4.01 | 4.15 | -0.14 |
49.59 | 48.97 | 0.62 |