| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.16 | 0.15 |
| Feb | 2.83 | 2.85 | -0.02 |
| Mar | 3.67 | 3.66 | 0.01 |
| Apr | 3.62 | 3.88 | -0.26 |
| May | 4.42 | 4.61 | -0.19 |
| Jun | 4.72 | 4.70 | 0.02 |
| Jul | 4.32 | 4.24 | 0.08 |
| Aug | 3.76 | 3.74 | 0.02 |
| Sep | 4.25 | 4.73 | -0.48 |
| Oct | 3.20 | 3.53 | -0.33 |
| Nov | 3.13 | 3.17 | -0.04 |
| Dec | 3.31 | 3.44 | -0.13 |
44.54 | 45.71 | -1.17 |