| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.33 | -0.22 |
| Feb | 2.92 | 3.03 | -0.11 |
| Mar | 3.83 | 4.04 | -0.21 |
| Apr | 4.39 | 4.54 | -0.15 |
| May | 4.76 | 4.90 | -0.14 |
| Jun | 4.63 | 4.69 | -0.06 |
| Jul | 4.33 | 4.60 | -0.27 |
| Aug | 3.37 | 3.47 | -0.10 |
| Sep | 3.07 | 3.23 | -0.16 |
| Oct | 3.11 | 3.17 | -0.06 |
| Nov | 2.97 | 3.16 | -0.19 |
| Dec | 3.44 | 3.65 | -0.21 |
43.93 | 45.81 | -1.88 |