| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.22 | -0.06 |
| Feb | 2.53 | 2.59 | -0.06 |
| Mar | 3.26 | 3.21 | 0.05 |
| Apr | 3.55 | 3.64 | -0.09 |
| May | 3.95 | 4.03 | -0.08 |
| Jun | 4.61 | 4.59 | 0.02 |
| Jul | 4.52 | 4.48 | 0.04 |
| Aug | 3.91 | 3.92 | -0.01 |
| Sep | 3.79 | 3.85 | -0.06 |
| Oct | 3.14 | 3.14 | 0.00 |
| Nov | 3.16 | 3.15 | 0.01 |
| Dec | 3.18 | 3.19 | -0.01 |
42.76 | 43.01 | -0.25 |