| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.65 | 0.06 |
| Feb | 0.78 | 0.77 | 0.01 |
| Mar | 1.50 | 1.42 | 0.08 |
| Apr | 2.59 | 2.62 | -0.03 |
| May | 3.85 | 3.78 | 0.07 |
| Jun | 4.15 | 4.19 | -0.04 |
| Jul | 4.15 | 4.15 | 0.00 |
| Aug | 3.88 | 3.91 | -0.03 |
| Sep | 3.06 | 2.98 | 0.08 |
| Oct | 2.73 | 2.73 | 0.00 |
| Nov | 1.44 | 1.40 | 0.04 |
| Dec | 0.93 | 0.95 | -0.02 |
29.77 | 29.55 | 0.22 |