| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.53 | 0.10 |
| Feb | 2.09 | 2.12 | -0.03 |
| Mar | 2.75 | 2.75 | 0.00 |
| Apr | 3.87 | 3.93 | -0.06 |
| May | 4.50 | 4.55 | -0.05 |
| Jun | 4.57 | 4.60 | -0.03 |
| Jul | 4.44 | 4.45 | -0.01 |
| Aug | 3.86 | 3.74 | 0.12 |
| Sep | 2.98 | 3.06 | -0.08 |
| Oct | 2.91 | 2.87 | 0.04 |
| Nov | 3.12 | 3.08 | 0.04 |
| Dec | 2.45 | 2.42 | 0.03 |
40.17 | 40.10 | 0.07 |