| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.73 | -0.07 |
| Feb | 3.13 | 3.20 | -0.07 |
| Mar | 3.88 | 4.02 | -0.14 |
| Apr | 3.57 | 3.63 | -0.06 |
| May | 3.54 | 3.47 | 0.07 |
| Jun | 4.02 | 4.17 | -0.15 |
| Jul | 3.66 | 3.83 | -0.17 |
| Aug | 4.08 | 4.00 | 0.08 |
| Sep | 3.63 | 3.76 | -0.13 |
| Oct | 3.09 | 3.12 | -0.03 |
| Nov | 3.21 | 3.30 | -0.09 |
| Dec | 3.60 | 3.74 | -0.14 |
43.07 | 43.97 | -0.90 |