| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.76 | 0.05 |
| Feb | 2.80 | 2.71 | 0.09 |
| Mar | 3.93 | 3.83 | 0.10 |
| Apr | 5.18 | 5.34 | -0.16 |
| May | 5.29 | 5.21 | 0.08 |
| Jun | 3.83 | 3.61 | 0.22 |
| Jul | 4.08 | 3.92 | 0.16 |
| Aug | 3.50 | 3.64 | -0.14 |
| Sep | 3.37 | 3.32 | 0.05 |
| Oct | 3.39 | 3.30 | 0.09 |
| Nov | 4.12 | 4.13 | -0.01 |
| Dec | 3.13 | 3.24 | -0.11 |
45.43 | 45.01 | 0.42 |