| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.09 | -0.06 |
| Feb | 2.50 | 2.45 | 0.05 |
| Mar | 3.46 | 3.38 | 0.08 |
| Apr | 4.51 | 4.56 | -0.05 |
| May | 4.87 | 4.92 | -0.05 |
| Jun | 5.05 | 4.93 | 0.12 |
| Jul | 4.22 | 4.22 | 0.00 |
| Aug | 3.35 | 3.09 | 0.26 |
| Sep | 3.08 | 3.21 | -0.13 |
| Oct | 3.32 | 3.27 | 0.05 |
| Nov | 3.45 | 3.46 | -0.01 |
| Dec | 3.04 | 3.09 | -0.05 |
43.88 | 43.67 | 0.21 |