| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.60 | 0.00 |
| Feb | 1.64 | 1.65 | -0.01 |
| Mar | 2.25 | 2.17 | 0.08 |
| Apr | 3.74 | 3.60 | 0.14 |
| May | 4.21 | 4.27 | -0.06 |
| Jun | 5.15 | 5.28 | -0.13 |
| Jul | 3.85 | 3.73 | 0.12 |
| Aug | 3.86 | 4.02 | -0.16 |
| Sep | 3.61 | 3.51 | 0.10 |
| Oct | 2.79 | 2.80 | -0.01 |
| Nov | 2.31 | 2.24 | 0.07 |
| Dec | 1.93 | 1.96 | -0.03 |
36.94 | 36.83 | 0.11 |