| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.54 | -0.12 |
| Feb | 2.63 | 2.79 | -0.16 |
| Mar | 4.08 | 4.23 | -0.15 |
| Apr | 3.65 | 3.64 | 0.01 |
| May | 3.86 | 4.00 | -0.14 |
| Jun | 4.32 | 4.37 | -0.05 |
| Jul | 5.03 | 4.79 | 0.24 |
| Aug | 4.18 | 4.40 | -0.22 |
| Sep | 4.11 | 4.12 | -0.01 |
| Oct | 4.08 | 4.09 | -0.01 |
| Nov | 3.24 | 3.30 | -0.06 |
| Dec | 4.13 | 4.38 | -0.25 |
46.73 | 47.65 | -0.92 |