| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.18 | -0.13 |
| Feb | 2.71 | 2.75 | -0.04 |
| Mar | 3.79 | 3.88 | -0.09 |
| Apr | 3.27 | 3.27 | 0.00 |
| May | 3.67 | 3.94 | -0.27 |
| Jun | 4.32 | 4.33 | -0.01 |
| Jul | 4.60 | 4.61 | -0.01 |
| Aug | 4.57 | 4.55 | 0.02 |
| Sep | 4.14 | 4.28 | -0.14 |
| Oct | 3.90 | 4.05 | -0.15 |
| Nov | 3.16 | 3.19 | -0.03 |
| Dec | 3.55 | 3.63 | -0.08 |
44.73 | 45.66 | -0.93 |