| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.35 | 0.01 |
| Feb | 2.64 | 2.67 | -0.03 |
| Mar | 3.34 | 3.56 | -0.22 |
| Apr | 3.66 | 3.93 | -0.27 |
| May | 3.45 | 3.39 | 0.06 |
| Jun | 3.86 | 3.95 | -0.09 |
| Jul | 3.20 | 3.20 | 0.00 |
| Aug | 3.24 | 3.28 | -0.04 |
| Sep | 3.70 | 3.59 | 0.11 |
| Oct | 4.78 | 4.89 | -0.11 |
| Nov | 4.08 | 4.14 | -0.06 |
| Dec | 3.99 | 4.38 | -0.39 |
43.30 | 44.33 | -1.03 |