| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.20 | -0.01 |
| Feb | 2.40 | 2.38 | 0.02 |
| Mar | 3.48 | 3.41 | 0.07 |
| Apr | 4.39 | 4.42 | -0.03 |
| May | 4.75 | 4.73 | 0.02 |
| Jun | 4.87 | 4.93 | -0.06 |
| Jul | 4.43 | 4.21 | 0.22 |
| Aug | 3.23 | 3.15 | 0.08 |
| Sep | 3.32 | 3.13 | 0.19 |
| Oct | 3.05 | 3.06 | -0.01 |
| Nov | 3.30 | 3.28 | 0.02 |
| Dec | 3.22 | 3.13 | 0.09 |
43.63 | 43.03 | 0.60 |